formbook | c2d348685fd22dd3ef1f9c245e4f6d184ab457cc0f38ec7bf23b414a9f937457

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-01-2025 14:34

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General

Target

c2d348685fd22dd3ef1f9c245e4f6d184ab457cc0f38ec7bf23b414a9f937457.exe
Size

616KB
MD5

cc6d7728ecb9c30b5e2d64bc46f1005d
SHA1

e9664338782ac9ffb910db3035c096da38707c70
SHA256

c2d348685fd22dd3ef1f9c245e4f6d184ab457cc0f38ec7bf23b414a9f937457
SHA512

05427c5c5ecaf383dc0a7af87877f1c69ebbdd53fc0656e8d3332c32717d937bb4ebb4ab905576e9990abbce7bf99288907a7e3c0de5219e593839e1bd8e8b6f
SSDEEP

12288:GPG/NIp8R0Z5rtzgKcM5E4PPsNNII6iutz:VWpo0tz9d55PsnII6i2

Score

10^/10

formbook gd04 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gd04

Decoy

f5u8utd50.icu

ob-offer-33304.bond

aaf.zone

hoppersrack.store

nline-gaming-33476.bond

isionaryvault.online

ilitary-jobs-88516.bond

iyxym.info

eyes.xyz

refle.xyz

kinsmonlkey.shop

oruu.shop

est2x2.online

nline-advertising-77889.bond

hepresspoolai.xyz

anilaberg.online

reimutigleben.store

anguage-courses-22450.bond

zzt.xyz

kfn.lat

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/2900-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2900-16-0x0000000000970000-0x0000000000C73000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2384 set thread context of 2900	2384	c2d348685fd22dd3ef1f9c245e4f6d184ab457cc0f38ec7bf23b414a9f937457.exe	28

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	c2d348685fd22dd3ef1f9c245e4f6d184ab457cc0f38ec7bf23b414a9f937457.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2900	c2d348685fd22dd3ef1f9c245e4f6d184ab457cc0f38ec7bf23b414a9f937457.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2900	2384	c2d348685fd22dd3ef1f9c245e4f6d184ab457cc0f38ec7bf23b414a9f937457.exe	28
PID 2384 wrote to memory of 2900	2384	c2d348685fd22dd3ef1f9c245e4f6d184ab457cc0f38ec7bf23b414a9f937457.exe	28
PID 2384 wrote to memory of 2900	2384	c2d348685fd22dd3ef1f9c245e4f6d184ab457cc0f38ec7bf23b414a9f937457.exe	28
PID 2384 wrote to memory of 2900	2384	c2d348685fd22dd3ef1f9c245e4f6d184ab457cc0f38ec7bf23b414a9f937457.exe	28
PID 2384 wrote to memory of 2900	2384	c2d348685fd22dd3ef1f9c245e4f6d184ab457cc0f38ec7bf23b414a9f937457.exe	28
PID 2384 wrote to memory of 2900	2384	c2d348685fd22dd3ef1f9c245e4f6d184ab457cc0f38ec7bf23b414a9f937457.exe	28
PID 2384 wrote to memory of 2900	2384	c2d348685fd22dd3ef1f9c245e4f6d184ab457cc0f38ec7bf23b414a9f937457.exe	28

C:\Users\Admin\AppData\Local\Temp\c2d348685fd22dd3ef1f9c245e4f6d184ab457cc0f38ec7bf23b414a9f937457.exe
"C:\Users\Admin\AppData\Local\Temp\c2d348685fd22dd3ef1f9c245e4f6d184ab457cc0f38ec7bf23b414a9f937457.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Users\Admin\AppData\Local\Temp\c2d348685fd22dd3ef1f9c245e4f6d184ab457cc0f38ec7bf23b414a9f937457.exe
  "C:\Users\Admin\AppData\Local\Temp\c2d348685fd22dd3ef1f9c245e4f6d184ab457cc0f38ec7bf23b414a9f937457.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2900

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/2384-6-0x0000000005340000-0x00000000053BA000-memory.dmp

Filesize
488KB

Download
memory/2384-0-0x00000000740DE000-0x00000000740DF000-memory.dmp

Filesize
4KB

Download
memory/2384-2-0x00000000740D0000-0x00000000747BE000-memory.dmp

Filesize
6.9MB

Download
memory/2384-3-0x00000000004E0000-0x00000000004F8000-memory.dmp

Filesize
96KB

Download
memory/2384-4-0x00000000740DE000-0x00000000740DF000-memory.dmp

Filesize
4KB

Download
memory/2384-5-0x00000000740D0000-0x00000000747BE000-memory.dmp

Filesize
6.9MB

Download
memory/2384-1-0x0000000001090000-0x0000000001130000-memory.dmp

Filesize
640KB

Download
memory/2384-14-0x00000000740D0000-0x00000000747BE000-memory.dmp

Filesize
6.9MB

Download
memory/2900-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2900-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2900-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2900-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2900-15-0x0000000000970000-0x0000000000C73000-memory.dmp

Filesize
3.0MB

Download
memory/2900-16-0x0000000000970000-0x0000000000C73000-memory.dmp

Filesize
3.0MB

Download