formbook | 397015a1428f2ee24e69d670f97b98f744039041eaea4e9836a27b01ce96b793

General

Target

397015a1428f2ee24e69d670f97b98f744039041eaea4e9836a27b01ce96b793.exe
Size

1.3MB
MD5

17374c7c08d5a0bc971e2988f2364c8c
SHA1

dc9fd0ec4c80aadd53b77c3d920e0dc2c6b192ce
SHA256

397015a1428f2ee24e69d670f97b98f744039041eaea4e9836a27b01ce96b793
SHA512

54ffdd249cf89082816038e26cb2dce60397965a7e9ce4222488b93f3b1762d2aee9cfbf3b952aaaa5871ddf34ed4a2067b03d1a0e0fd966f2dd7f4a7318af00
SSDEEP

24576:AqDEvCTbMWu7rQYlBQcBiT6rprG8adaxlGbI5d5tRp2FpiLYtul:ATvC/MTQYxsWR7adaXt2jwx

Score

10^/10

formbook a02d discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a02d

Decoy

coplus.market

oofing-jobs-74429.bond

healchemists.xyz

oofcarpenternearme-jp.xyz

enewebsolutions.online

harepoint.legal

88977.club

omptables.xyz

eat-pumps-31610.bond

endown.graphics

amsexgirls.website

ovevibes.xyz

u-thiensu.online

yblinds.xyz

rumpchiefofstaff.store

erzog.fun

rrm.lat

agiclime.pro

agaviet59.shop

lbdoanhnhan.net

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/3024-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3024-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3024-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1948 set thread context of 3024	1948	397015a1428f2ee24e69d670f97b98f744039041eaea4e9836a27b01ce96b793.exe	30
PID 3024 set thread context of 1208	3024	svchost.exe	21
PID 3024 set thread context of 1208	3024	svchost.exe	21

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2764	2860	WerFault.exe	32

System Location Discovery: System Language Discovery 1 TTPs 3 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	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	397015a1428f2ee24e69d670f97b98f744039041eaea4e9836a27b01ce96b793.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1948	397015a1428f2ee24e69d670f97b98f744039041eaea4e9836a27b01ce96b793.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3024	svchost.exe
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeShutdownPrivilege	1208	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1948	397015a1428f2ee24e69d670f97b98f744039041eaea4e9836a27b01ce96b793.exe
1948	397015a1428f2ee24e69d670f97b98f744039041eaea4e9836a27b01ce96b793.exe
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1948	397015a1428f2ee24e69d670f97b98f744039041eaea4e9836a27b01ce96b793.exe
1948	397015a1428f2ee24e69d670f97b98f744039041eaea4e9836a27b01ce96b793.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 3024	1948	397015a1428f2ee24e69d670f97b98f744039041eaea4e9836a27b01ce96b793.exe	30
PID 1948 wrote to memory of 3024	1948	397015a1428f2ee24e69d670f97b98f744039041eaea4e9836a27b01ce96b793.exe	30
PID 1948 wrote to memory of 3024	1948	397015a1428f2ee24e69d670f97b98f744039041eaea4e9836a27b01ce96b793.exe	30
PID 1948 wrote to memory of 3024	1948	397015a1428f2ee24e69d670f97b98f744039041eaea4e9836a27b01ce96b793.exe	30
PID 1948 wrote to memory of 3024	1948	397015a1428f2ee24e69d670f97b98f744039041eaea4e9836a27b01ce96b793.exe	30
PID 3024 wrote to memory of 2860	3024	svchost.exe	32
PID 3024 wrote to memory of 2860	3024	svchost.exe	32
PID 3024 wrote to memory of 2860	3024	svchost.exe	32
PID 3024 wrote to memory of 2860	3024	svchost.exe	32
PID 3024 wrote to memory of 2860	3024	svchost.exe	32
PID 3024 wrote to memory of 2860	3024	svchost.exe	32
PID 3024 wrote to memory of 2860	3024	svchost.exe	32
PID 2860 wrote to memory of 2764	2860	msiexec.exe	33
PID 2860 wrote to memory of 2764	2860	msiexec.exe	33
PID 2860 wrote to memory of 2764	2860	msiexec.exe	33
PID 2860 wrote to memory of 2764	2860	msiexec.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1208
- C:\Users\Admin\AppData\Local\Temp\397015a1428f2ee24e69d670f97b98f744039041eaea4e9836a27b01ce96b793.exe
  "C:\Users\Admin\AppData\Local\Temp\397015a1428f2ee24e69d670f97b98f744039041eaea4e9836a27b01ce96b793.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1948
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\397015a1428f2ee24e69d670f97b98f744039041eaea4e9836a27b01ce96b793.exe"
    3⤵
    - 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:3024
  - - C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\SysWOW64\msiexec.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2860
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2860 -s 268
        5⤵
        Program crash
        
        PID:2764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1208-13-0x00000000049E0000-0x0000000004B2D000-memory.dmp

Filesize
1.3MB

Download
memory/1208-21-0x0000000004B30000-0x0000000004C51000-memory.dmp

Filesize
1.1MB

Download
memory/1208-8-0x00000000039C0000-0x0000000003AC0000-memory.dmp

Filesize
1024KB

Download
memory/1208-14-0x0000000004B30000-0x0000000004C51000-memory.dmp

Filesize
1.1MB

Download
memory/1208-9-0x00000000049E0000-0x0000000004B2D000-memory.dmp

Filesize
1.3MB

Download
memory/1948-2-0x0000000000770000-0x0000000000B70000-memory.dmp

Filesize
4.0MB

Download
memory/2860-18-0x0000000000850000-0x0000000000864000-memory.dmp

Filesize
80KB

Download
memory/2860-15-0x0000000000850000-0x0000000000864000-memory.dmp

Filesize
80KB

Download
memory/2860-16-0x0000000000850000-0x0000000000864000-memory.dmp

Filesize
80KB

Download
memory/3024-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3024-12-0x00000000003E0000-0x00000000003F4000-memory.dmp

Filesize
80KB

Download
memory/3024-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3024-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3024-7-0x0000000000210000-0x0000000000224000-memory.dmp

Filesize
80KB

Download
memory/3024-4-0x00000000009B0000-0x0000000000CB3000-memory.dmp

Filesize
3.0MB

Download

Analysis

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