formbook | b54b6ef71478646451ca1905b93c380141b4df637d73cb796af0a391ba47f43e

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-12-2024 09:01

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General

Target

SKMBT100020241312000.exe
Size

742KB
MD5

25369cacd15fd28391f08b48ad5fdf4d
SHA1

f091fd2f772d7c566bcce4c046323ef02808f2da
SHA256

b54b6ef71478646451ca1905b93c380141b4df637d73cb796af0a391ba47f43e
SHA512

e13b6e32e1106f93f6a9fdf8a1871d4a60ca015d8c68a72ca557990dedb82da81c722a36a0a862f564b0809bd092da4bf2dfa9a809febc81b19413d534581598
SSDEEP

12288:ZjlIpHtMPku+l0CPPlzYUDbl3H7WZiga3jtuAEzY69hbnrF65FO28EYT/0:ZjlIhSPd+plzYu3+UuAEzY0h3FfxECs

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 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2652-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2196 set thread context of 2652	2196	SKMBT100020241312000.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2868	2652	WerFault.exe	30

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	SKMBT100020241312000.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SKMBT100020241312000.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2652	2196	SKMBT100020241312000.exe	30
PID 2196 wrote to memory of 2652	2196	SKMBT100020241312000.exe	30
PID 2196 wrote to memory of 2652	2196	SKMBT100020241312000.exe	30
PID 2196 wrote to memory of 2652	2196	SKMBT100020241312000.exe	30
PID 2196 wrote to memory of 2652	2196	SKMBT100020241312000.exe	30
PID 2196 wrote to memory of 2652	2196	SKMBT100020241312000.exe	30
PID 2196 wrote to memory of 2652	2196	SKMBT100020241312000.exe	30
PID 2652 wrote to memory of 2868	2652	SKMBT100020241312000.exe	31
PID 2652 wrote to memory of 2868	2652	SKMBT100020241312000.exe	31
PID 2652 wrote to memory of 2868	2652	SKMBT100020241312000.exe	31
PID 2652 wrote to memory of 2868	2652	SKMBT100020241312000.exe	31

C:\Users\Admin\AppData\Local\Temp\SKMBT100020241312000.exe
"C:\Users\Admin\AppData\Local\Temp\SKMBT100020241312000.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Users\Admin\AppData\Local\Temp\SKMBT100020241312000.exe
  "C:\Users\Admin\AppData\Local\Temp\SKMBT100020241312000.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2652
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2652 -s 36
    3⤵
    - Program crash
    PID:2868

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/2196-0-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/2196-1-0x0000000000DA0000-0x0000000000E60000-memory.dmp

Filesize
768KB

Download
memory/2196-2-0x00000000746A0000-0x0000000074D8E000-memory.dmp

Filesize
6.9MB

Download
memory/2196-3-0x0000000000580000-0x00000000005A6000-memory.dmp

Filesize
152KB

Download
memory/2196-4-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/2196-5-0x00000000746A0000-0x0000000074D8E000-memory.dmp

Filesize
6.9MB

Download
memory/2196-6-0x0000000000980000-0x00000000009F8000-memory.dmp

Filesize
480KB

Download
memory/2196-13-0x00000000746A0000-0x0000000074D8E000-memory.dmp

Filesize
6.9MB

Download
memory/2652-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2652-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2652-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2652-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download