formbook | d12401aff6e577ad268923a0310d09931870ad0f5c557245376ca0487e4be96d

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-12-2024 01:55

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General

Target

ca78d54d548798fcf44988d3a89433fd_JaffaCakes118.exe
Size

345KB
MD5

ca78d54d548798fcf44988d3a89433fd
SHA1

de519e152e3274523c23d58303f049509be2484e
SHA256

d12401aff6e577ad268923a0310d09931870ad0f5c557245376ca0487e4be96d
SHA512

3841d4e9ae04a2b277637f9cf0f8e18fbe1db4e7fd4ff1dbafbf82f663337113fff98cfc6f0a101922798fd69c51d33b01e5c014248f12330ec2f6cadefb43c0
SSDEEP

6144:idy13tEFvM4Mh/K7v97Z2gVdnkcvpkQHrsPMPVNTS8eAWn7woJQnsviWrX6O:idyT6vM4Mhy7RZvVG6fHBVNTSxAiUiWW

Score

10^/10

formbook k1rc discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

k1rc

Decoy

manchesterflowerwalls.com

hyperhostns.info

leverj.exchange

bringcovidhome.com

natalieball.com

glaseye.com

buyersmeetsellers.net

dronerealestate.net

calfwag.com

hoodhippy.com

prophunting.com

yange03.com

ffpgv.top

valengz.com

handbagsbreeze.com

excellencepi.com

iopsms.xyz

farmacykauai.com

dmarc.press

aridham.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2788-4-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2336 set thread context of 2788	2336	ca78d54d548798fcf44988d3a89433fd_JaffaCakes118.exe	31

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	ca78d54d548798fcf44988d3a89433fd_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2788	ca78d54d548798fcf44988d3a89433fd_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2336	ca78d54d548798fcf44988d3a89433fd_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2788	2336	ca78d54d548798fcf44988d3a89433fd_JaffaCakes118.exe	31
PID 2336 wrote to memory of 2788	2336	ca78d54d548798fcf44988d3a89433fd_JaffaCakes118.exe	31
PID 2336 wrote to memory of 2788	2336	ca78d54d548798fcf44988d3a89433fd_JaffaCakes118.exe	31
PID 2336 wrote to memory of 2788	2336	ca78d54d548798fcf44988d3a89433fd_JaffaCakes118.exe	31
PID 2336 wrote to memory of 2788	2336	ca78d54d548798fcf44988d3a89433fd_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\ca78d54d548798fcf44988d3a89433fd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ca78d54d548798fcf44988d3a89433fd_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Users\Admin\AppData\Local\Temp\ca78d54d548798fcf44988d3a89433fd_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ca78d54d548798fcf44988d3a89433fd_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2788

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/2336-2-0x0000000000300000-0x0000000000400000-memory.dmp

Filesize
1024KB

Download
memory/2336-3-0x0000000000090000-0x0000000000092000-memory.dmp

Filesize
8KB

Download
memory/2788-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2788-5-0x0000000000A60000-0x0000000000D63000-memory.dmp

Filesize
3.0MB

Download