formbook | 745adf93af99455428f520e84dc1c8cb3715f5fbdfa80a4b52c41e0c0b748025

General

Target

7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe
Size

1.0MB
MD5

4472308b26d97576bda38ee8976036af
SHA1

69f68ae82ffa3d8804aed31ce151efb26a74a8c1
SHA256

7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce
SHA512

fdaf2e5c1aa93e67798fe99725cac4da3898be74e76eb22440b6bcce6ab064fcd73f1a25581f0ca4ae16e9f527927f661ad18dd5ef27d3fa0f4a2c9799befa32
SSDEEP

24576:Ftb20pkaCqT5TBWgNQ7aIsWLhU/b5bTj6A:2Vg5tQ7aI7hS5

Score

10^/10

formbook bi05 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bi05

Decoy

ollow-the-bit.online

aopho.autos

14ra567dp.autos

48651301.top

ussian-dating-54714.bond

sychology-degree-80838.bond

lytracker.xyz

strology-forest.sbs

swjbcl3.top

ridgenexttechnologies.partners

lroy.sbs

kyscreen.vip

anhit.live

uckyheart.xyz

orddserials.online

hetune.shop

nherited-traits-ant.bond

stanaslot-1.xyz

sychologist-therapy-36914.bond

iandramonami.net

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
behavioral1/memory/2800-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2800-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2708-19-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2740 set thread context of 2800	2740	7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe	31
PID 2800 set thread context of 1204	2800	svchost.exe	21
PID 2708 set thread context of 1204	2708	colorcpl.exe	21

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2116	2740	WerFault.exe	30

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	colorcpl.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2800	svchost.exe
2800	svchost.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe
2708	colorcpl.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2740	7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe
2800	svchost.exe
2800	svchost.exe
2800	svchost.exe
2708	colorcpl.exe
2708	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2800	svchost.exe
Token: SeShutdownPrivilege	1204	Explorer.EXE
Token: SeDebugPrivilege	2708	colorcpl.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2740	7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe
2740	7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2740	7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe
2740	7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 2800	2740	7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe	31
PID 2740 wrote to memory of 2800	2740	7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe	31
PID 2740 wrote to memory of 2800	2740	7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe	31
PID 2740 wrote to memory of 2800	2740	7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe	31
PID 2740 wrote to memory of 2800	2740	7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe	31
PID 2740 wrote to memory of 2116	2740	7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe	32
PID 2740 wrote to memory of 2116	2740	7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe	32
PID 2740 wrote to memory of 2116	2740	7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe	32
PID 2740 wrote to memory of 2116	2740	7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe	32
PID 1204 wrote to memory of 2708	1204	Explorer.EXE	33
PID 1204 wrote to memory of 2708	1204	Explorer.EXE	33
PID 1204 wrote to memory of 2708	1204	Explorer.EXE	33
PID 1204 wrote to memory of 2708	1204	Explorer.EXE	33
PID 2708 wrote to memory of 2604	2708	colorcpl.exe	34
PID 2708 wrote to memory of 2604	2708	colorcpl.exe	34
PID 2708 wrote to memory of 2604	2708	colorcpl.exe	34
PID 2708 wrote to memory of 2604	2708	colorcpl.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe
  "C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.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:2740
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2800
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 316
    3⤵
    - Program crash
    PID:2116
- C:\Windows\SysWOW64\colorcpl.exe
  "C:\Windows\SysWOW64\colorcpl.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:2708
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2604

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/1204-20-0x0000000007470000-0x000000000757B000-memory.dmp

Filesize
1.0MB

Download
memory/1204-28-0x0000000004EA0000-0x0000000004F3F000-memory.dmp

Filesize
636KB

Download
memory/1204-26-0x0000000004EA0000-0x0000000004F3F000-memory.dmp

Filesize
636KB

Download
memory/1204-25-0x0000000004EA0000-0x0000000004F3F000-memory.dmp

Filesize
636KB

Download
memory/1204-15-0x0000000007470000-0x000000000757B000-memory.dmp

Filesize
1.0MB

Download
memory/1204-22-0x0000000003FB0000-0x00000000041B0000-memory.dmp

Filesize
2.0MB

Download
memory/2708-17-0x0000000000760000-0x0000000000778000-memory.dmp

Filesize
96KB

Download
memory/2708-18-0x0000000000760000-0x0000000000778000-memory.dmp

Filesize
96KB

Download
memory/2708-19-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2740-10-0x0000000000560000-0x0000000000564000-memory.dmp

Filesize
16KB

Download
memory/2800-14-0x0000000000140000-0x0000000000154000-memory.dmp

Filesize
80KB

Download
memory/2800-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2800-13-0x0000000000880000-0x0000000000B83000-memory.dmp

Filesize
3.0MB

Download
memory/2800-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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