formbook | cace2b741d02629edfde9bb2c833be3ca8f456e26d930f31e0e84115e5fcd61a

General

Target

29082024103711.uue.exe
Size

1.1MB
MD5

ab51c2953feb4e79fa1bfc3e90b3384f
SHA1

30fc5dd917ce3361943866497ed231d875b84928
SHA256

7e3e815abe2f87d670088db321e77e591a29824d734877eb33d15a6da25262b9
SHA512

70438bd9ac9bcc5d74d346374bee261086549d40aba517f4df3bb1b7994d97a076e6683937237d7d6bbef4882106e6b9935d3e7572bb56b778ebc9f1a4d1230f
SSDEEP

24576:uRmJkcoQricOIQxiZY1iaCiFjlhrzIBuyW7JH/wT5:7JZoQrbTFZY1iaCEJEA7hY5

Score

10^/10

formbook k94g discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

k94g

Decoy

nstandgoz.xyz

dhd-treatment-37310.bond

13s-braces-us-ze.fun

umdona.shop

96ph803ql.bond

kka9max.net

corporate-10.xyz

edicalassistance869840.online

lobalresources-bh.xyz

3145978.xyz

ovdaawebsite.online

etting-thailand.net

icloud.xyz

poxk.shop

25ks-ls72510.cyou

women.info

iwyrfbfvhv9.asia

luratu.xyz

ffordable-power-charger.today

edanuryilmaz.xyz

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/1716-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1716-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1336-12-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2412 set thread context of 1716	2412	29082024103711.uue.exe	29
PID 1716 set thread context of 1256	1716	svchost.exe	20
PID 1336 set thread context of 1256	1336	help.exe	20

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 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	29082024103711.uue.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	help.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1716	svchost.exe
1716	svchost.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe
1336	help.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2412	29082024103711.uue.exe
1716	svchost.exe
1716	svchost.exe
1716	svchost.exe
1336	help.exe
1336	help.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1716	svchost.exe
Token: SeDebugPrivilege	1336	help.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2412	29082024103711.uue.exe
2412	29082024103711.uue.exe
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2412	29082024103711.uue.exe
2412	29082024103711.uue.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 1716	2412	29082024103711.uue.exe	29
PID 2412 wrote to memory of 1716	2412	29082024103711.uue.exe	29
PID 2412 wrote to memory of 1716	2412	29082024103711.uue.exe	29
PID 2412 wrote to memory of 1716	2412	29082024103711.uue.exe	29
PID 2412 wrote to memory of 1716	2412	29082024103711.uue.exe	29
PID 1256 wrote to memory of 1336	1256	Explorer.EXE	30
PID 1256 wrote to memory of 1336	1256	Explorer.EXE	30
PID 1256 wrote to memory of 1336	1256	Explorer.EXE	30
PID 1256 wrote to memory of 1336	1256	Explorer.EXE	30
PID 1336 wrote to memory of 2292	1336	help.exe	31
PID 1336 wrote to memory of 2292	1336	help.exe	31
PID 1336 wrote to memory of 2292	1336	help.exe	31
PID 1336 wrote to memory of 2292	1336	help.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1256
- C:\Users\Admin\AppData\Local\Temp\29082024103711.uue.exe
  "C:\Users\Admin\AppData\Local\Temp\29082024103711.uue.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:2412
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\29082024103711.uue.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1716
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.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:1336
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2292

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

Replay Monitor

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Downloads

memory/1256-8-0x0000000006D00000-0x0000000006E5F000-memory.dmp

Filesize
1.4MB

Download
memory/1256-22-0x0000000003D60000-0x0000000003E05000-memory.dmp

Filesize
660KB

Download
memory/1256-20-0x0000000003D60000-0x0000000003E05000-memory.dmp

Filesize
660KB

Download
memory/1256-19-0x0000000003D60000-0x0000000003E05000-memory.dmp

Filesize
660KB

Download
memory/1256-13-0x0000000006D00000-0x0000000006E5F000-memory.dmp

Filesize
1.4MB

Download
memory/1336-12-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1336-9-0x0000000000E70000-0x0000000000E76000-memory.dmp

Filesize
24KB

Download
memory/1336-11-0x0000000000E70000-0x0000000000E76000-memory.dmp

Filesize
24KB

Download
memory/1716-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1716-7-0x0000000000140000-0x0000000000154000-memory.dmp

Filesize
80KB

Download
memory/1716-4-0x00000000009A0000-0x0000000000CA3000-memory.dmp

Filesize
3.0MB

Download
memory/1716-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2412-1-0x0000000003C50000-0x0000000003E50000-memory.dmp

Filesize
2.0MB

Download
memory/2412-2-0x0000000003C50000-0x0000000003E50000-memory.dmp

Filesize
2.0MB

Download

Analysis

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