formbook | 2c5f5dbeb72dc0832f94f4ad3bfe984ac1e8a9dd6b64a4335394cfc16ee00a6a

General

Target

38694cf4cf60fc8408f11b40e2e62338_JaffaCakes118.exe
Size

737KB
MD5

38694cf4cf60fc8408f11b40e2e62338
SHA1

e42b57f70784715d37794ec05cc0da6ff356345c
SHA256

2c5f5dbeb72dc0832f94f4ad3bfe984ac1e8a9dd6b64a4335394cfc16ee00a6a
SHA512

fdb9cc5ff5a872bc9f383d06582a726652b4a2ce491bc1482bcf6e1808950835d57144061ee68b73a917db660f8aaaa381d4e6dc1657e69e5dca4d32d7648657
SSDEEP

12288:uwPp+fGL0Yjn2fdWVdzFXTjjmOuWktOtZf92UbWfTfy3IuO6oVizLIbZKY3Jjcxt:uwguHj2fdWnzFXT3mOdt3paglIK

Score

10^/10

formbook bnc discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bnc

Decoy

iseoguide.com

rogerellisonline.com

thephonelenses.com

reddystone.com

explorehokianga.com

miaflcio.vote

baonihaochi.com

thewiseengineer.com

exciplexinc.com

luewaeeqaredre.com

atharvatechnologysolutions.com

vnsr1234.com

nationswines.com

toaglobalcc.com

texasbusrental.com

sailfishingcostarica.com

superbuy.today

mode-paradox.com

soperlz.xyz

filterdance.com

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/1876-14-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/1876-19-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/1876-23-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2276 set thread context of 1876	2276	38694cf4cf60fc8408f11b40e2e62338_JaffaCakes118.exe	86
PID 1876 set thread context of 3532	1876	RegSvcs.exe	56
PID 1876 set thread context of 3532	1876	RegSvcs.exe	56
PID 1032 set thread context of 3532	1032	netsh.exe	56

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	38694cf4cf60fc8408f11b40e2e62338_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

pid	Process
2276	38694cf4cf60fc8408f11b40e2e62338_JaffaCakes118.exe
2276	38694cf4cf60fc8408f11b40e2e62338_JaffaCakes118.exe
2276	38694cf4cf60fc8408f11b40e2e62338_JaffaCakes118.exe
2276	38694cf4cf60fc8408f11b40e2e62338_JaffaCakes118.exe
1876	RegSvcs.exe
1876	RegSvcs.exe
1876	RegSvcs.exe
1876	RegSvcs.exe
1876	RegSvcs.exe
1876	RegSvcs.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe
1032	netsh.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1876	RegSvcs.exe
1876	RegSvcs.exe
1876	RegSvcs.exe
1876	RegSvcs.exe
1032	netsh.exe
1032	netsh.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2276	38694cf4cf60fc8408f11b40e2e62338_JaffaCakes118.exe
Token: SeDebugPrivilege	1876	RegSvcs.exe
Token: SeDebugPrivilege	1032	netsh.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3532	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 1876	2276	38694cf4cf60fc8408f11b40e2e62338_JaffaCakes118.exe	86
PID 2276 wrote to memory of 1876	2276	38694cf4cf60fc8408f11b40e2e62338_JaffaCakes118.exe	86
PID 2276 wrote to memory of 1876	2276	38694cf4cf60fc8408f11b40e2e62338_JaffaCakes118.exe	86
PID 2276 wrote to memory of 1876	2276	38694cf4cf60fc8408f11b40e2e62338_JaffaCakes118.exe	86
PID 2276 wrote to memory of 1876	2276	38694cf4cf60fc8408f11b40e2e62338_JaffaCakes118.exe	86
PID 2276 wrote to memory of 1876	2276	38694cf4cf60fc8408f11b40e2e62338_JaffaCakes118.exe	86
PID 3532 wrote to memory of 1032	3532	Explorer.EXE	87
PID 3532 wrote to memory of 1032	3532	Explorer.EXE	87
PID 3532 wrote to memory of 1032	3532	Explorer.EXE	87
PID 1032 wrote to memory of 2240	1032	netsh.exe	88
PID 1032 wrote to memory of 2240	1032	netsh.exe	88
PID 1032 wrote to memory of 2240	1032	netsh.exe	88

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3532
- C:\Users\Admin\AppData\Local\Temp\38694cf4cf60fc8408f11b40e2e62338_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\38694cf4cf60fc8408f11b40e2e62338_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2276
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1876
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\SysWOW64\netsh.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:1032
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2240

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/1032-28-0x0000000001590000-0x00000000015AE000-memory.dmp

Filesize
120KB

Download
memory/1032-26-0x0000000001590000-0x00000000015AE000-memory.dmp

Filesize
120KB

Download
memory/1876-24-0x0000000001140000-0x0000000001154000-memory.dmp

Filesize
80KB

Download
memory/1876-20-0x00000000010E0000-0x00000000010F4000-memory.dmp

Filesize
80KB

Download
memory/1876-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1876-17-0x00000000012E0000-0x000000000162A000-memory.dmp

Filesize
3.3MB

Download
memory/1876-23-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1876-19-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2276-0-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/2276-1-0x0000000000530000-0x00000000005F0000-memory.dmp

Filesize
768KB

Download
memory/2276-10-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/2276-11-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/2276-12-0x0000000006290000-0x00000000062E6000-memory.dmp

Filesize
344KB

Download
memory/2276-13-0x00000000062E0000-0x0000000006316000-memory.dmp

Filesize
216KB

Download
memory/2276-4-0x00000000059B0000-0x0000000005F54000-memory.dmp

Filesize
5.6MB

Download
memory/2276-16-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/2276-2-0x0000000004DD0000-0x0000000004E26000-memory.dmp

Filesize
344KB

Download
memory/2276-8-0x0000000005600000-0x0000000005656000-memory.dmp

Filesize
344KB

Download
memory/2276-7-0x0000000004EF0000-0x0000000004EFA000-memory.dmp

Filesize
40KB

Download
memory/2276-9-0x0000000004F30000-0x0000000004F38000-memory.dmp

Filesize
32KB

Download
memory/2276-5-0x0000000074630000-0x0000000074DE0000-memory.dmp

Filesize
7.7MB

Download
memory/2276-3-0x0000000005360000-0x00000000053FC000-memory.dmp

Filesize
624KB

Download
memory/2276-6-0x0000000005400000-0x0000000005492000-memory.dmp

Filesize
584KB

Download
memory/3532-25-0x0000000008780000-0x0000000008843000-memory.dmp

Filesize
780KB

Download
memory/3532-21-0x00000000031A0000-0x000000000328C000-memory.dmp

Filesize
944KB

Download
memory/3532-30-0x0000000008780000-0x0000000008843000-memory.dmp

Filesize
780KB

Download
memory/3532-32-0x0000000008ED0000-0x000000000905D000-memory.dmp

Filesize
1.6MB

Download
memory/3532-34-0x0000000008ED0000-0x000000000905D000-memory.dmp

Filesize
1.6MB

Download
memory/3532-37-0x0000000008ED0000-0x000000000905D000-memory.dmp

Filesize
1.6MB

Download

Analysis

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