formbook | 957c5b5a6f0af47354f9ed2d09522fc671b8c0af06e3f3a5b6354e111b2c8129

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22-08-2024 11:07

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General

Target

b76684163bc9667e4907b4034a0763c1_JaffaCakes118.exe
Size

1020KB
MD5

b76684163bc9667e4907b4034a0763c1
SHA1

4bda936ca3dee495b15aee5378a3dc87abd7cdef
SHA256

957c5b5a6f0af47354f9ed2d09522fc671b8c0af06e3f3a5b6354e111b2c8129
SHA512

10182cd2737aa6f7a1e8716659b89a96ee3bea78c0144cd19d491ac444639ddb13f6dc543ac7a5744b075cc3c02ffab4b0b088712c376fc3700c27aeedab435f
SSDEEP

12288:dhm2ptsj6jRPLjRPqjBjjyjBjBjBjBjLj6Pf71xLtDaGgr2KbA16sCCwpTx9EEWm:oPHLtbx16Smx9Ey75

Score

10^/10

formbook llc discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

llc

Decoy

mombosslounge.com

ladybnaturalhairproductsllc.com

fincazalduendo.com

asrahealth.net

lanbrandmanual.com

hirano-gyosei.com

storywoth.com

sailde.com

jagurutech.com

greenfuturemarket.com

jaguar-marketing.com

mytherapies.net

occidentaldissent.net

onlinemarketingbusinessbd.com

blackleadership.info

leosquad.store

becauseiknewyouweremine.com

athertonsewer.com

springbiologicaldentistry.net

rockthefunnels.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
behavioral1/memory/1088-17-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1900 set thread context of 1088	1900	b76684163bc9667e4907b4034a0763c1_JaffaCakes118.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 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	b76684163bc9667e4907b4034a0763c1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DllHost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1088	b76684163bc9667e4907b4034a0763c1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 1088	1900	b76684163bc9667e4907b4034a0763c1_JaffaCakes118.exe	31
PID 1900 wrote to memory of 1088	1900	b76684163bc9667e4907b4034a0763c1_JaffaCakes118.exe	31
PID 1900 wrote to memory of 1088	1900	b76684163bc9667e4907b4034a0763c1_JaffaCakes118.exe	31
PID 1900 wrote to memory of 1088	1900	b76684163bc9667e4907b4034a0763c1_JaffaCakes118.exe	31
PID 1900 wrote to memory of 1088	1900	b76684163bc9667e4907b4034a0763c1_JaffaCakes118.exe	31
PID 1900 wrote to memory of 1088	1900	b76684163bc9667e4907b4034a0763c1_JaffaCakes118.exe	31
PID 1900 wrote to memory of 1088	1900	b76684163bc9667e4907b4034a0763c1_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\b76684163bc9667e4907b4034a0763c1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b76684163bc9667e4907b4034a0763c1_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Users\Admin\AppData\Local\Temp\b76684163bc9667e4907b4034a0763c1_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b76684163bc9667e4907b4034a0763c1_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1088

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
1⤵
- System Location Discovery: System Language Discovery
PID:2768

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/1088-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1088-20-0x0000000000950000-0x0000000000C53000-memory.dmp

Filesize
3.0MB

Download
memory/1088-19-0x0000000000950000-0x0000000000C53000-memory.dmp

Filesize
3.0MB

Download
memory/1088-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1088-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1088-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1900-6-0x0000000000920000-0x000000000092A000-memory.dmp

Filesize
40KB

Download
memory/1900-9-0x0000000000C60000-0x0000000000CBC000-memory.dmp

Filesize
368KB

Download
memory/1900-8-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download
memory/1900-7-0x000000007475E000-0x000000007475F000-memory.dmp

Filesize
4KB

Download
memory/1900-0-0x000000007475E000-0x000000007475F000-memory.dmp

Filesize
4KB

Download
memory/1900-18-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download
memory/1900-2-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download
memory/1900-1-0x00000000011B0000-0x00000000012B6000-memory.dmp

Filesize
1.0MB

Download