formbook | 040b451ddeae61cc065f2d5e780aeee6ec8d58364a86f6a97a86e4c56efe5147

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2024, 03:59

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General

Target

ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe
Size

479KB
MD5

ef072c5f7469a88ca616b35f21906da1
SHA1

6e12db7215a102918ba498fe6831932d0bd9f060
SHA256

040b451ddeae61cc065f2d5e780aeee6ec8d58364a86f6a97a86e4c56efe5147
SHA512

b6fe68f77c499b8c68e44f900c8c3df05becd3d0231d09976438977d24fec337b0a0981745cf171ecccab7cab1ab1d09d892dcdbaad8ea253e03865cfd73adea
SSDEEP

6144:XToCpSRFx3JcLd87NH09lXLPRvBmE+0nkMeboO2P0gqXspWu5fXnrYrjuT7:XToRFx5cLgHAldvBm1x2P0gq8pWB

Score

10^/10

formbook crb discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

crb

Decoy

rghandicraft.com

miamiexpressservice.com

spicycenter.com

tool-kit.info

helpinghandcleanersllc.com

ailink.network

boosterpub.com

heysever.us

fanhush.com

extremelyrobust.com

energyslides.com

fitflopsoutletstore.us

torellys.com

thatsigns.com

promotionproduct.ltd

riskynihali.com

sozialesnetz.online

fotoindia3.com

oxydj.info

dsgvocc.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/896-12-0x0000000000400000-0x000000000042D000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3588 set thread context of 896	3588	ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe	92

System Location Discovery: System Language Discovery 1 TTPs 1 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	ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3588	ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe
3588	ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe
3588	ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe
3588	ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe
3588	ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe
3588	ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe
896	ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe
896	ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3588	ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3588 wrote to memory of 3260	3588	ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe	91
PID 3588 wrote to memory of 3260	3588	ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe	91
PID 3588 wrote to memory of 3260	3588	ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe	91
PID 3588 wrote to memory of 896	3588	ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe	92
PID 3588 wrote to memory of 896	3588	ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe	92
PID 3588 wrote to memory of 896	3588	ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe	92
PID 3588 wrote to memory of 896	3588	ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe	92
PID 3588 wrote to memory of 896	3588	ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe	92
PID 3588 wrote to memory of 896	3588	ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe	92

C:\Users\Admin\AppData\Local\Temp\ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3588
- C:\Users\Admin\AppData\Local\Temp\ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe
  "{path}"
  2⤵
  PID:3260
- C:\Users\Admin\AppData\Local\Temp\ef072c5f7469a88ca616b35f21906da1_JaffaCakes118.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/896-12-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/896-15-0x0000000001190000-0x00000000014DA000-memory.dmp

Filesize
3.3MB

Download
memory/3588-6-0x0000000006600000-0x000000000669C000-memory.dmp

Filesize
624KB

Download
memory/3588-3-0x0000000004E90000-0x0000000004F22000-memory.dmp

Filesize
584KB

Download
memory/3588-5-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3588-4-0x0000000004E70000-0x0000000004E7A000-memory.dmp

Filesize
40KB

Download
memory/3588-0-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/3588-7-0x00000000050D0000-0x00000000050E0000-memory.dmp

Filesize
64KB

Download
memory/3588-8-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/3588-9-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3588-10-0x0000000006940000-0x0000000006998000-memory.dmp

Filesize
352KB

Download
memory/3588-11-0x0000000008F60000-0x0000000008F92000-memory.dmp

Filesize
200KB

Download
memory/3588-2-0x0000000005540000-0x0000000005AE4000-memory.dmp

Filesize
5.6MB

Download
memory/3588-14-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3588-1-0x0000000000440000-0x00000000004BE000-memory.dmp

Filesize
504KB

Download