formbook | 414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79

General

Target

Approval for transfer.exe
Size

844KB
MD5

619e65f0f0adb123cdd209ee39a569f7
SHA1

f7832a4580bfb0a1be700def757201dd7baea66e
SHA256

414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79
SHA512

422b5e47257ad8774bae8d5d35ea01d9958cd5320269b71307b55bcb7bb3d67f51cd84fe9379c73c0a418726f5b86061568f83c97fe7773c555771354e43952d
SSDEEP

12288:ehkDgouVA2nxKkorvdRgQriDwOIxmxiZnYQE7PJcE4aCqcECbBsRiWVPeXFw:uRmJkcoQricOIQxiZY1iaCqcd6RNwFw

Score

10^/10

formbook cl21 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cl21

Decoy

0001.shop

earch-parttimejobs.today

are888.top

akanhaunthipped.shop

othing-heyu.xyz

cadvirsor.net

nclanalae.shop

lectric-cars-mexico.today

oxj-question.xyz

ersonalloanoffers.today

ersonalloans-fo54-fo37.click

verybody-ewfx.xyz

ercuremontauban.media

azilimdunyam.net

airs-clinicato.today

wiftsscend.click

ertainly-jbws.xyz

8xeng.app

damekadmitageable.cfd

ollapsedec.shop

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

Processes:

resource	yara_rule
behavioral1/memory/356-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/356-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1768-22-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

Approval for transfer.exesvchost.execmd.exe

description	pid	process	target process
PID 3048 set thread context of 356	3048	Approval for transfer.exe	svchost.exe
PID 356 set thread context of 1076	356	svchost.exe	Explorer.EXE
PID 1768 set thread context of 1076	1768	cmd.exe	Explorer.EXE

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2620 3048 WerFault.exe Approval for transfer.exe

pid	pid_target	process	target process
2620	3048	WerFault.exe	Approval for transfer.exe

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

Processes:

Approval for transfer.execmd.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Approval for transfer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

Processes:

svchost.execmd.exe

pid	process
356	svchost.exe
356	svchost.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe
1768	cmd.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Approval for transfer.exesvchost.execmd.exe

pid process

3048 Approval for transfer.exe
356 svchost.exe
356 svchost.exe
356 svchost.exe
1768 cmd.exe
1768 cmd.exe

pid	process
3048	Approval for transfer.exe
356	svchost.exe
356	svchost.exe
356	svchost.exe
1768	cmd.exe
1768	cmd.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

svchost.exeExplorer.EXEcmd.exe

description	pid	process
Token: SeDebugPrivilege	356	svchost.exe
Token: SeShutdownPrivilege	1076	Explorer.EXE
Token: SeDebugPrivilege	1768	cmd.exe
Token: SeShutdownPrivilege	1076	Explorer.EXE

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Approval for transfer.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 3048 wrote to memory of 356	3048	Approval for transfer.exe	svchost.exe
PID 3048 wrote to memory of 356	3048	Approval for transfer.exe	svchost.exe
PID 3048 wrote to memory of 356	3048	Approval for transfer.exe	svchost.exe
PID 3048 wrote to memory of 356	3048	Approval for transfer.exe	svchost.exe
PID 3048 wrote to memory of 356	3048	Approval for transfer.exe	svchost.exe
PID 3048 wrote to memory of 2620	3048	Approval for transfer.exe	WerFault.exe
PID 3048 wrote to memory of 2620	3048	Approval for transfer.exe	WerFault.exe
PID 3048 wrote to memory of 2620	3048	Approval for transfer.exe	WerFault.exe
PID 3048 wrote to memory of 2620	3048	Approval for transfer.exe	WerFault.exe
PID 1076 wrote to memory of 1768	1076	Explorer.EXE	cmd.exe
PID 1076 wrote to memory of 1768	1076	Explorer.EXE	cmd.exe
PID 1076 wrote to memory of 1768	1076	Explorer.EXE	cmd.exe
PID 1076 wrote to memory of 1768	1076	Explorer.EXE	cmd.exe
PID 1768 wrote to memory of 2664	1768	cmd.exe	cmd.exe
PID 1768 wrote to memory of 2664	1768	cmd.exe	cmd.exe
PID 1768 wrote to memory of 2664	1768	cmd.exe	cmd.exe
PID 1768 wrote to memory of 2664	1768	cmd.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Users\Admin\AppData\Local\Temp\Approval for transfer.exe
  "C:\Users\Admin\AppData\Local\Temp\Approval for transfer.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3048
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\Approval for transfer.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:356
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 392
    3⤵
    - Program crash
    PID:2620
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.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:1768
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/356-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/356-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/356-16-0x0000000000140000-0x0000000000154000-memory.dmp

Filesize
80KB

Download
memory/356-13-0x0000000000890000-0x0000000000B93000-memory.dmp

Filesize
3.0MB

Download
memory/1076-17-0x00000000002E0000-0x00000000003E0000-memory.dmp

Filesize
1024KB

Download
memory/1076-18-0x00000000062B0000-0x00000000063C1000-memory.dmp

Filesize
1.1MB

Download
memory/1076-23-0x00000000062B0000-0x00000000063C1000-memory.dmp

Filesize
1.1MB

Download
memory/1076-27-0x0000000006700000-0x00000000067C8000-memory.dmp

Filesize
800KB

Download
memory/1076-28-0x0000000006700000-0x00000000067C8000-memory.dmp

Filesize
800KB

Download
memory/1076-30-0x0000000006700000-0x00000000067C8000-memory.dmp

Filesize
800KB

Download
memory/1768-19-0x000000004A140000-0x000000004A18C000-memory.dmp

Filesize
304KB

Download
memory/1768-20-0x000000004A140000-0x000000004A18C000-memory.dmp

Filesize
304KB

Download
memory/1768-22-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/3048-11-0x00000000008C0000-0x00000000009C0000-memory.dmp

Filesize
1024KB

Download
memory/3048-21-0x00000000008C0000-0x00000000009C0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads