formbook | b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491

General

Target

JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe
Size

929KB
MD5

5169a66e103b9ae847af49ecf8efb193
SHA1

44e891e64c62e6109f2b33c15a077b5c35214a1b
SHA256

b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491
SHA512

b628c682ce36a196f085d972043343ef164c680a0baa1198ff88f5c38010e25c79466d76698caa5238ab307d0fed45938f6a851ecf1320d562326032179bbfa3
SSDEEP

24576:asyK6fzapeIn3KUWcNz5HCgni/16cCDmg3:asyK6fzape86UtRCQi/16f

Score

10^/10

formbook g9s4 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

g9s4

Decoy

visitmechanic.com

xn--kck4a7gpd474vx6i.com

prozdorovie.online

omatpupa.xyz

zamokwakhekhumalo.com

mayuraandchris.com

wanasahstore.com

bicicletas.win

yhdm61.com

mortgageattract.com

centuryofbio.com

xtdkgjt.com

nhahangnetnghe.com

whatsappsemcontato.com

onlinemarketing-teamwebus.com

zuevu.com

dancaronmusic.com

tingseo.com

uniflapline.com

setuppharmaweb.online

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2724-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2724-15-0x0000000000C50000-0x0000000000F53000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2340 set thread context of 2724	2340	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe	32

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	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2340	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe
2340	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe
2724	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2340	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 2960	2340	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe	31
PID 2340 wrote to memory of 2960	2340	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe	31
PID 2340 wrote to memory of 2960	2340	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe	31
PID 2340 wrote to memory of 2960	2340	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe	31
PID 2340 wrote to memory of 2724	2340	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe	32
PID 2340 wrote to memory of 2724	2340	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe	32
PID 2340 wrote to memory of 2724	2340	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe	32
PID 2340 wrote to memory of 2724	2340	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe	32
PID 2340 wrote to memory of 2724	2340	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe	32
PID 2340 wrote to memory of 2724	2340	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe	32
PID 2340 wrote to memory of 2724	2340	JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe"
  2⤵
  PID:2960
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1c436a46f8d07d3624ddff94346d38ff0349fd55c9eef4be0185a61b840b491.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2724

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/2340-6-0x0000000007D80000-0x0000000007DF8000-memory.dmp

Filesize
480KB

Download
memory/2340-13-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2340-2-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2340-3-0x0000000000570000-0x0000000000586000-memory.dmp

Filesize
88KB

Download
memory/2340-4-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/2340-5-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2340-1-0x00000000009D0000-0x0000000000ABE000-memory.dmp

Filesize
952KB

Download
memory/2340-7-0x00000000051A0000-0x00000000051D4000-memory.dmp

Filesize
208KB

Download
memory/2340-0-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/2724-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2724-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2724-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2724-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2724-14-0x0000000000C50000-0x0000000000F53000-memory.dmp

Filesize
3.0MB

Download
memory/2724-15-0x0000000000C50000-0x0000000000F53000-memory.dmp

Filesize
3.0MB

Download

Analysis

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