formbook | 62ca1c39badbfbc52c6301cb69c8356977db57656c6d98dac7e4ab908753af00

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
31-07-2024 08:22

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General

Target

file.exe
Size

810KB
MD5

60bd782aa615ee9354c2221b4ad7b80c
SHA1

f753f3c3c359b38c1051064417d6d0daf89db2c9
SHA256

62ca1c39badbfbc52c6301cb69c8356977db57656c6d98dac7e4ab908753af00
SHA512

0ddc9c16ac39aa6c006bd8ccd11194267b73d646b304f84b911153832dc7a6c960d60ebfc08d0d6314630e124e575bee4c81c75ffa7915faddaeae5d37b351e3
SSDEEP

12288:1y9WilQDz/bhj+nm3m6SsWCG0tP+KpIMD5w2T7S+w74fNJ658N:1wQDfhj+um6SgDEWHPdL65

Score

10^/10

formbook rn10 discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

rn10

Decoy

kedai168et.com

mental-olympics.com

pussybuildsstrongbones.net

857691.shop

hisellers.net

exposurecophotography.com

beaded-boutique.net

wednesdayholdings.com

plesacv.xyz

manonlineros.com

a0204.shop

333689g.com

dyprl716h.xyz

pulseirabet.com

fnet.work

bo-2024-001-v1-d1.xyz

ongaurdsecurity.com

giulianacristini.com

miladamani.com

magicalrealmshopkeeper.online

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/4980-22-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/824-47-0x0000000000C60000-0x0000000000C8F000-memory.dmp	formbook

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2077438316-259605770-1264560426-1000\Control Panel\International\Geo\Nation	Ningbo .exe
Key value queried	\REGISTRY\USER\S-1-5-21-2077438316-259605770-1264560426-1000\Control Panel\International\Geo\Nation	watchdog.exe

Executes dropped EXE 5 IoCs

pid	Process
3728	Ningbo .exe
4980	Ningbo .exe
3548	watchdog.exe
2932	watchdog.exe
3444	Ningbo .exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2077438316-259605770-1264560426-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ningbo = "C:\\Users\\Admin\\AppData\\Roaming\\Ningbo .exe"	reg.exe

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 3728 set thread context of 4980	3728	Ningbo .exe	100
PID 4980 set thread context of 3460	4980	Ningbo .exe	56
PID 824 set thread context of 3460	824	msdt.exe	56
PID 3728 set thread context of 3444	3728	Ningbo .exe	104
PID 3444 set thread context of 3460	3444	Ningbo .exe	56

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	watchdog.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ningbo .exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	watchdog.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 5 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1928	cmd.exe
452	PING.EXE
2152	cmd.exe
4228	PING.EXE
4512	PING.EXE

Runs ping.exe 1 TTPs 3 IoCs

Remote System Discovery

T1018

pid	Process
452	PING.EXE
4228	PING.EXE
4512	PING.EXE

Suspicious behavior: EnumeratesProcesses 59 IoCs

pid	Process
3240	file.exe
3240	file.exe
3240	file.exe
3240	file.exe
3240	file.exe
3240	file.exe
3240	file.exe
3240	file.exe
3240	file.exe
3240	file.exe
3240	file.exe
3240	file.exe
3240	file.exe
3240	file.exe
3240	file.exe
3240	file.exe
3240	file.exe
3240	file.exe
3240	file.exe
3240	file.exe
3240	file.exe
3728	Ningbo .exe
3728	Ningbo .exe
3728	Ningbo .exe
4980	Ningbo .exe
4980	Ningbo .exe
4980	Ningbo .exe
4980	Ningbo .exe
3548	watchdog.exe
2932	watchdog.exe
2932	watchdog.exe
2932	watchdog.exe
824	msdt.exe
824	msdt.exe
3728	Ningbo .exe
3728	Ningbo .exe
824	msdt.exe
824	msdt.exe
824	msdt.exe
824	msdt.exe
824	msdt.exe
824	msdt.exe
824	msdt.exe
824	msdt.exe
824	msdt.exe
824	msdt.exe
3728	Ningbo .exe
824	msdt.exe
824	msdt.exe
3444	Ningbo .exe
3444	Ningbo .exe
3444	Ningbo .exe
3444	Ningbo .exe
4972	cmd.exe
4972	cmd.exe
824	msdt.exe
824	msdt.exe
824	msdt.exe
824	msdt.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
4980	Ningbo .exe
4980	Ningbo .exe
4980	Ningbo .exe
824	msdt.exe
824	msdt.exe
3444	Ningbo .exe
3444	Ningbo .exe
3444	Ningbo .exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	3240	file.exe
Token: SeDebugPrivilege	3728	Ningbo .exe
Token: SeDebugPrivilege	4980	Ningbo .exe
Token: SeDebugPrivilege	3548	watchdog.exe
Token: SeDebugPrivilege	2932	watchdog.exe
Token: SeDebugPrivilege	824	msdt.exe
Token: SeDebugPrivilege	3444	Ningbo .exe
Token: SeDebugPrivilege	4972	cmd.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3460	Explorer.EXE

Suspicious use of WriteProcessMemory 54 IoCs

description	pid	Process	procid_target
PID 3240 wrote to memory of 1928	3240	file.exe	88
PID 3240 wrote to memory of 1928	3240	file.exe	88
PID 3240 wrote to memory of 1928	3240	file.exe	88
PID 1928 wrote to memory of 452	1928	cmd.exe	90
PID 1928 wrote to memory of 452	1928	cmd.exe	90
PID 1928 wrote to memory of 452	1928	cmd.exe	90
PID 3240 wrote to memory of 2152	3240	file.exe	91
PID 3240 wrote to memory of 2152	3240	file.exe	91
PID 3240 wrote to memory of 2152	3240	file.exe	91
PID 2152 wrote to memory of 4228	2152	cmd.exe	93
PID 2152 wrote to memory of 4228	2152	cmd.exe	93
PID 2152 wrote to memory of 4228	2152	cmd.exe	93
PID 1928 wrote to memory of 5004	1928	cmd.exe	94
PID 1928 wrote to memory of 5004	1928	cmd.exe	94
PID 1928 wrote to memory of 5004	1928	cmd.exe	94
PID 2152 wrote to memory of 4512	2152	cmd.exe	97
PID 2152 wrote to memory of 4512	2152	cmd.exe	97
PID 2152 wrote to memory of 4512	2152	cmd.exe	97
PID 2152 wrote to memory of 3728	2152	cmd.exe	98
PID 2152 wrote to memory of 3728	2152	cmd.exe	98
PID 2152 wrote to memory of 3728	2152	cmd.exe	98
PID 3728 wrote to memory of 4980	3728	Ningbo .exe	100
PID 3728 wrote to memory of 4980	3728	Ningbo .exe	100
PID 3728 wrote to memory of 4980	3728	Ningbo .exe	100
PID 3728 wrote to memory of 4980	3728	Ningbo .exe	100
PID 3728 wrote to memory of 4980	3728	Ningbo .exe	100
PID 3728 wrote to memory of 4980	3728	Ningbo .exe	100
PID 3460 wrote to memory of 824	3460	Explorer.EXE	101
PID 3460 wrote to memory of 824	3460	Explorer.EXE	101
PID 3460 wrote to memory of 824	3460	Explorer.EXE	101
PID 3728 wrote to memory of 3548	3728	Ningbo .exe	102
PID 3728 wrote to memory of 3548	3728	Ningbo .exe	102
PID 3728 wrote to memory of 3548	3728	Ningbo .exe	102
PID 3548 wrote to memory of 2932	3548	watchdog.exe	103
PID 3548 wrote to memory of 2932	3548	watchdog.exe	103
PID 3548 wrote to memory of 2932	3548	watchdog.exe	103
PID 3728 wrote to memory of 3444	3728	Ningbo .exe	104
PID 3728 wrote to memory of 3444	3728	Ningbo .exe	104
PID 3728 wrote to memory of 3444	3728	Ningbo .exe	104
PID 3728 wrote to memory of 3444	3728	Ningbo .exe	104
PID 3728 wrote to memory of 3444	3728	Ningbo .exe	104
PID 3728 wrote to memory of 3444	3728	Ningbo .exe	104
PID 824 wrote to memory of 4012	824	msdt.exe	105
PID 824 wrote to memory of 4012	824	msdt.exe	105
PID 824 wrote to memory of 4012	824	msdt.exe	105
PID 3460 wrote to memory of 4972	3460	Explorer.EXE	107
PID 3460 wrote to memory of 4972	3460	Explorer.EXE	107
PID 3460 wrote to memory of 4972	3460	Explorer.EXE	107
PID 3728 wrote to memory of 772	3728	Ningbo .exe	108
PID 3728 wrote to memory of 772	3728	Ningbo .exe	108
PID 3728 wrote to memory of 772	3728	Ningbo .exe	108
PID 3728 wrote to memory of 772	3728	Ningbo .exe	108
PID 3728 wrote to memory of 772	3728	Ningbo .exe	108
PID 3728 wrote to memory of 772	3728	Ningbo .exe	108

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3460
- C:\Users\Admin\AppData\Local\Temp\file.exe
  "C:\Users\Admin\AppData\Local\Temp\file.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3240
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c ping 127.0.0.1 -n 19 > nul && REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Ningbo " /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Ningbo .exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:1928
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 19
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:452
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Ningbo " /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Ningbo .exe"
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:5004
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c ping 127.0.0.1 -n 20 > nul && copy "C:\Users\Admin\AppData\Local\Temp\file.exe" "C:\Users\Admin\AppData\Roaming\Ningbo .exe" && ping 127.0.0.1 -n 20 > nul && "C:\Users\Admin\AppData\Roaming\Ningbo .exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2152
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 20
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:4228
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 20
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:4512
  - - C:\Users\Admin\AppData\Roaming\Ningbo .exe
      "C:\Users\Admin\AppData\Roaming\Ningbo .exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3728
    - - C:\Users\Admin\AppData\Roaming\Ningbo .exe
        
        "C:\Users\Admin\AppData\Roaming\Ningbo .exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of AdjustPrivilegeToken
        
        PID:4980
    - - C:\Users\Admin\AppData\Local\Temp\watchdog.exe
        
        "C:\Users\Admin\AppData\Local\Temp\watchdog.exe"
        5⤵
        Checks computer location settings
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:3548
      - C:\Users\Admin\AppData\Local\Temp\watchdog.exe
        
        "C:\Users\Admin\AppData\Local\Temp\watchdog.exe"
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2932
    - - C:\Users\Admin\AppData\Roaming\Ningbo .exe
        
        "C:\Users\Admin\AppData\Roaming\Ningbo .exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of AdjustPrivilegeToken
        
        PID:3444
    - - C:\Users\Admin\AppData\Roaming\Ningbo .exe
        
        "C:\Users\Admin\AppData\Roaming\Ningbo .exe"
        5⤵
        
        PID:772
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:824
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Roaming\Ningbo .exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4012
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\watchdog.exe.log

Filesize
1KB

MD5
7dca233df92b3884663fa5a40db8d49c

SHA1
208b8f27b708c4e06ac37f974471cc7b29c29b60

SHA256
90c83311e35da0b5f8aa65aa2109745feb68ee9540e863f4ed909872e9c6a84c

SHA512
d134b96fd33c79c85407608f76afc5a9f937bff453b1c90727a3ed992006c7d4c8329be6a2b5ba6b11da1a32f7cd60e9bc380be388b586d6cd5c2e6b1f57bd07

Download Submit
C:\Users\Admin\AppData\Local\Temp\watchdog.exe

Filesize
76KB

MD5
0e362e7005823d0bec3719b902ed6d62

SHA1
590d860b909804349e0cdc2f1662b37bd62f7463

SHA256
2d0dc6216f613ac7551a7e70a798c22aee8eb9819428b1357e2b8c73bef905ad

SHA512
518991b68496b3f8545e418cf9b345e0791e09cc20d177b8aa47e0aba447aa55383c64f5bdaca39f2b061a5d08c16f2ad484af8a9f238ca23ab081618fba3ad3

Download Submit
C:\Users\Admin\AppData\Local\Temp\watchdog.txt

Filesize
53B

MD5
2b818eb57643931b6c399509c0843689

SHA1
a2293143020c5a59aea44d8786ce046a74aee4ba

SHA256
a6e57e99b18b93a790f889dc4e285e3b74b5806c6e037d91780c9182d93d1a85

SHA512
992fbdea7fa53f54e594d5072b5bf8b77f9d7bf2161c35743a3117672ec1071e4b2f336a8ee2ce50eac16e0f02e2efd0c3ee1851f310491a564469c7be6c0d84

Download Submit
C:\Users\Admin\AppData\Local\Temp\watchdog.txt

Filesize
56B

MD5
4369550f091e62b873e49a6a29d268d6

SHA1
1a67dd2e8fcedcda5b91b4ad4963ca4486846a51

SHA256
c886d127a5388f44d5e8953cb126a39af1ee717db6664dfceb5f2ee35cc58b69

SHA512
9cc1f9e75325f85d2037af8c4396e8ca924f467a0fa8e79085d60592a9d7239fc8f5461d1451ad47085f077ba06ccb4b871b219129a1d4cee031bfc282359485

Download Submit
C:\Users\Admin\AppData\Roaming\Ningbo .exe

Filesize
810KB

MD5
60bd782aa615ee9354c2221b4ad7b80c

SHA1
f753f3c3c359b38c1051064417d6d0daf89db2c9

SHA256
62ca1c39badbfbc52c6301cb69c8356977db57656c6d98dac7e4ab908753af00

SHA512
0ddc9c16ac39aa6c006bd8ccd11194267b73d646b304f84b911153832dc7a6c960d60ebfc08d0d6314630e124e575bee4c81c75ffa7915faddaeae5d37b351e3

Download Submit
memory/824-47-0x0000000000C60000-0x0000000000C8F000-memory.dmp

Filesize
188KB

Download
memory/824-45-0x0000000000790000-0x00000000007E7000-memory.dmp

Filesize
348KB

Download
memory/3240-7-0x00000000057C0000-0x00000000057CA000-memory.dmp

Filesize
40KB

Download
memory/3240-2-0x00000000056A0000-0x000000000573C000-memory.dmp

Filesize
624KB

Download
memory/3240-10-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/3240-0-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

Filesize
4KB

Download
memory/3240-1-0x0000000000110000-0x00000000001E0000-memory.dmp

Filesize
832KB

Download
memory/3240-8-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/3240-3-0x0000000005CF0000-0x0000000006294000-memory.dmp

Filesize
5.6MB

Download
memory/3240-4-0x00000000057E0000-0x0000000005872000-memory.dmp

Filesize
584KB

Download
memory/3240-5-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/3240-6-0x00000000058F0000-0x0000000005934000-memory.dmp

Filesize
272KB

Download
memory/3460-50-0x0000000007DD0000-0x0000000007EA0000-memory.dmp

Filesize
832KB

Download
memory/3460-55-0x0000000007DD0000-0x0000000007EA0000-memory.dmp

Filesize
832KB

Download
memory/3548-37-0x0000000000710000-0x000000000072A000-memory.dmp

Filesize
104KB

Download
memory/3728-21-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/3728-20-0x00000000063C0000-0x00000000063C6000-memory.dmp

Filesize
24KB

Download
memory/3728-19-0x0000000006350000-0x000000000636A000-memory.dmp

Filesize
104KB

Download
memory/3728-18-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/3728-16-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/3728-17-0x0000000000760000-0x0000000000830000-memory.dmp

Filesize
832KB

Download
memory/4972-56-0x00000000001C0000-0x000000000021A000-memory.dmp

Filesize
360KB

Download
memory/4972-57-0x00000000001C0000-0x000000000021A000-memory.dmp

Filesize
360KB

Download
memory/4980-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download