formbook | a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d

Analysis

max time kernel
149s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-10-2024 01:54

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General

Target

a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d.exe
Size

730KB
MD5

47f67ecfb3eb722a3d7aefb8b5ac8b54
SHA1

78da020402a8413cdf7d663a196c9ce46577bdbb
SHA256

a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d
SHA512

6b82898b826ee2fc7b8f1e39c4302cb69fef655bb6cc7389cb8397c8dcca28cbe3a81ec84d96fb1e13692aa833894b1b2ef7c56628685d42853808495a695ca3
SSDEEP

12288:CQq8Tj0Kd+D1fDwAmlhwJogsFRot09s4KlV7N5r:h5f0/8gsFRouu/7NZ

Score

10^/10

formbook cu29 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cu29

Decoy

qidr.shop

usinessaviationconsulting.net

68716329.xyz

nd-los.net

ealthironcladguarantee.shop

oftware-download-69354.bond

48372305.top

omeownershub.top

mall-chilli.top

ajakgoid.online

ire-changer-53482.bond

rugsrx.shop

oyang123.info

azino-forum-pro.online

817715.rest

layman.vip

eb777.club

ovatonica.net

urgaslotvip.website

inn-paaaa.buzz

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/1916-33-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1916-39-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2128-74-0x0000000000510000-0x000000000053F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2248	powershell.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4728 set thread context of 1916	4728	a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d.exe	91
PID 1916 set thread context of 3488	1916	vbc.exe	56
PID 2128 set thread context of 3488	2128	NETSTAT.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 5 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	a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2128	NETSTAT.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4988	schtasks.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4728	a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d.exe
2248	powershell.exe
4728	a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d.exe
1916	vbc.exe
1916	vbc.exe
1916	vbc.exe
1916	vbc.exe
2248	powershell.exe
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE
2128	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1916	vbc.exe
1916	vbc.exe
1916	vbc.exe
2128	NETSTAT.EXE
2128	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4728	a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d.exe
Token: SeDebugPrivilege	2248	powershell.exe
Token: SeDebugPrivilege	1916	vbc.exe
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE
Token: SeDebugPrivilege	2128	NETSTAT.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4728 wrote to memory of 2248	4728	a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d.exe	87
PID 4728 wrote to memory of 2248	4728	a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d.exe	87
PID 4728 wrote to memory of 2248	4728	a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d.exe	87
PID 4728 wrote to memory of 4988	4728	a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d.exe	89
PID 4728 wrote to memory of 4988	4728	a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d.exe	89
PID 4728 wrote to memory of 4988	4728	a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d.exe	89
PID 4728 wrote to memory of 1916	4728	a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d.exe	91
PID 4728 wrote to memory of 1916	4728	a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d.exe	91
PID 4728 wrote to memory of 1916	4728	a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d.exe	91
PID 4728 wrote to memory of 1916	4728	a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d.exe	91
PID 4728 wrote to memory of 1916	4728	a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d.exe	91
PID 4728 wrote to memory of 1916	4728	a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d.exe	91
PID 3488 wrote to memory of 2128	3488	Explorer.EXE	92
PID 3488 wrote to memory of 2128	3488	Explorer.EXE	92
PID 3488 wrote to memory of 2128	3488	Explorer.EXE	92
PID 2128 wrote to memory of 2564	2128	NETSTAT.EXE	95
PID 2128 wrote to memory of 2564	2128	NETSTAT.EXE	95
PID 2128 wrote to memory of 2564	2128	NETSTAT.EXE	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3488
- C:\Users\Admin\AppData\Local\Temp\a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d.exe
  "C:\Users\Admin\AppData\Local\Temp\a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4728
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tshjuqE.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2248
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tshjuqE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC60F.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4988
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1916
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2128
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3zll1gy2.mvr.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC60F.tmp

Filesize
1KB

MD5
0bd2353e73fe80566f6e0a66b3044275

SHA1
b497999466d7c56a3bb9d99fb6d0d9f98a7e3c8e

SHA256
5419dd4fc30fa7bf50b71b91599a72cbc3aaa4a7e00a6c3069c89cba4945cb03

SHA512
22a6f65d677148b6fdc7b15cdc4652e262a1670e6007de880b70bea747413bc4208f317be397f106c12b9edf2c0dc076c47271d3d08e55a45f9a80ac5ed3be21

Download Submit
memory/1916-39-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1916-40-0x00000000013B0000-0x00000000013C5000-memory.dmp

Filesize
84KB

Download
memory/1916-37-0x00000000013E0000-0x000000000172A000-memory.dmp

Filesize
3.3MB

Download
memory/1916-33-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2128-74-0x0000000000510000-0x000000000053F000-memory.dmp

Filesize
188KB

Download
memory/2128-73-0x00000000003D0000-0x00000000003DB000-memory.dmp

Filesize
44KB

Download
memory/2248-16-0x0000000005820000-0x0000000005E48000-memory.dmp

Filesize
6.2MB

Download
memory/2248-41-0x0000000006670000-0x000000000668E000-memory.dmp

Filesize
120KB

Download
memory/2248-72-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/2248-15-0x00000000050E0000-0x0000000005116000-memory.dmp

Filesize
216KB

Download
memory/2248-17-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/2248-69-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/2248-18-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/2248-21-0x0000000005740000-0x00000000057A6000-memory.dmp

Filesize
408KB

Download
memory/2248-20-0x00000000055A0000-0x00000000055C2000-memory.dmp

Filesize
136KB

Download
memory/2248-22-0x00000000057B0000-0x0000000005816000-memory.dmp

Filesize
408KB

Download
memory/2248-68-0x0000000007CC0000-0x0000000007CC8000-memory.dmp

Filesize
32KB

Download
memory/2248-23-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/2248-67-0x0000000007CE0000-0x0000000007CFA000-memory.dmp

Filesize
104KB

Download
memory/2248-66-0x0000000007BE0000-0x0000000007BF4000-memory.dmp

Filesize
80KB

Download
memory/2248-35-0x00000000062D0000-0x0000000006624000-memory.dmp

Filesize
3.3MB

Download
memory/2248-65-0x0000000007BD0000-0x0000000007BDE000-memory.dmp

Filesize
56KB

Download
memory/2248-64-0x0000000007BA0000-0x0000000007BB1000-memory.dmp

Filesize
68KB

Download
memory/2248-63-0x0000000007C20000-0x0000000007CB6000-memory.dmp

Filesize
600KB

Download
memory/2248-62-0x0000000007A10000-0x0000000007A1A000-memory.dmp

Filesize
40KB

Download
memory/2248-61-0x00000000079A0000-0x00000000079BA000-memory.dmp

Filesize
104KB

Download
memory/2248-43-0x0000000006740000-0x000000000678C000-memory.dmp

Filesize
304KB

Download
memory/2248-60-0x0000000007FE0000-0x000000000865A000-memory.dmp

Filesize
6.5MB

Download
memory/2248-44-0x000000007F410000-0x000000007F420000-memory.dmp

Filesize
64KB

Download
memory/2248-46-0x0000000075260000-0x00000000752AC000-memory.dmp

Filesize
304KB

Download
memory/2248-45-0x0000000006C40000-0x0000000006C72000-memory.dmp

Filesize
200KB

Download
memory/2248-48-0x00000000051E0000-0x00000000051F0000-memory.dmp

Filesize
64KB

Download
memory/2248-57-0x0000000007840000-0x000000000785E000-memory.dmp

Filesize
120KB

Download
memory/2248-58-0x0000000007860000-0x0000000007903000-memory.dmp

Filesize
652KB

Download
memory/2248-59-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/3488-75-0x00000000091D0000-0x0000000009370000-memory.dmp

Filesize
1.6MB

Download
memory/3488-42-0x00000000091D0000-0x0000000009370000-memory.dmp

Filesize
1.6MB

Download
memory/3488-79-0x00000000033F0000-0x00000000034CB000-memory.dmp

Filesize
876KB

Download
memory/4728-6-0x0000000005770000-0x000000000578E000-memory.dmp

Filesize
120KB

Download
memory/4728-5-0x0000000005500000-0x000000000550A000-memory.dmp

Filesize
40KB

Download
memory/4728-36-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/4728-9-0x0000000002E10000-0x0000000002E86000-memory.dmp

Filesize
472KB

Download
memory/4728-7-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/4728-8-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/4728-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/4728-10-0x000000000B3E0000-0x000000000B47C000-memory.dmp

Filesize
624KB

Download
memory/4728-2-0x0000000005B20000-0x00000000060C4000-memory.dmp

Filesize
5.6MB

Download
memory/4728-1-0x0000000000A50000-0x0000000000B0C000-memory.dmp

Filesize
752KB

Download
memory/4728-4-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/4728-3-0x0000000005570000-0x0000000005602000-memory.dmp

Filesize
584KB

Download