formbook | 60cfee00408236ba105da652b956603ff2e51ebf2b80e75b900e452235873667

General

Target

55612335.exe
Size

253KB
MD5

a1a1a907effaaefa8b463e84234c1355
SHA1

421a063c16cc03629c5c380399bf9fc303f7c32c
SHA256

60cfee00408236ba105da652b956603ff2e51ebf2b80e75b900e452235873667
SHA512

6e6d51c8704c7e7d444dd30c70398012e6cd398db10478ff0f46f93b095209060c9b85831cc1787018d3536f58c2c9043df266b9b17ccb6fa363bbbb5a0125e7

Score

10^/10

formbook w6ya rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

w6ya

C2

http://www.truth-capturemachine.com/w6ya/

Decoy

auden-audio.com

zombieodyssey.com

hdpthg.com

toddtechnical.com

njsdgz.com

yieldfarm.world

guardsveirfynews.net

atmamandir.info

eskisehirtostcusu.online

arrozz.net

v99king.win

jaxonboxing.com

morganevans.net

syandeg.com

valleyofplants.com

corsosportorico.com

tak.support

blacktgpc.com

herdpetshop.com

iifkvhns.xyz

Signatures

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

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2812-116-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2812-117-0x000000000041F150-mapping.dmp	formbook
behavioral2/memory/4056-125-0x0000000000590000-0x00000000005BF000-memory.dmp	formbook

Loads dropped DLL 1 IoCs

Processes:

55612335.exe

pid process

3164 55612335.exe

pid	process
3164	55612335.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

55612335.exe55612335.exenetsh.exe

description	pid	process	target process
PID 3164 set thread context of 2812	3164	55612335.exe	55612335.exe
PID 2812 set thread context of 2872	2812	55612335.exe	Explorer.EXE
PID 4056 set thread context of 2872	4056	netsh.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

55612335.exenetsh.exe

pid	process
2812	55612335.exe
2812	55612335.exe
2812	55612335.exe
2812	55612335.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe
4056	netsh.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2872 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

55612335.exenetsh.exe

pid process

2812 55612335.exe
2812 55612335.exe
2812 55612335.exe
4056 netsh.exe
4056 netsh.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

55612335.exenetsh.exe

description pid process

Token: SeDebugPrivilege 2812 55612335.exe
Token: SeDebugPrivilege 4056 netsh.exe

pid	process
2872	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2812	55612335.exe
Token: SeDebugPrivilege	4056	netsh.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

55612335.exeExplorer.EXEnetsh.exe

description	pid	process	target process
PID 3164 wrote to memory of 2812	3164	55612335.exe	55612335.exe
PID 3164 wrote to memory of 2812	3164	55612335.exe	55612335.exe
PID 3164 wrote to memory of 2812	3164	55612335.exe	55612335.exe
PID 3164 wrote to memory of 2812	3164	55612335.exe	55612335.exe
PID 3164 wrote to memory of 2812	3164	55612335.exe	55612335.exe
PID 3164 wrote to memory of 2812	3164	55612335.exe	55612335.exe
PID 2872 wrote to memory of 4056	2872	Explorer.EXE	netsh.exe
PID 2872 wrote to memory of 4056	2872	Explorer.EXE	netsh.exe
PID 2872 wrote to memory of 4056	2872	Explorer.EXE	netsh.exe
PID 4056 wrote to memory of 3648	4056	netsh.exe	cmd.exe
PID 4056 wrote to memory of 3648	4056	netsh.exe	cmd.exe
PID 4056 wrote to memory of 3648	4056	netsh.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2872

C:\Users\Admin\AppData\Local\Temp\55612335.exe
"C:\Users\Admin\AppData\Local\Temp\55612335.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3164

C:\Users\Admin\AppData\Local\Temp\55612335.exe
"C:\Users\Admin\AppData\Local\Temp\55612335.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2812

C:\Windows\SysWOW64\netsh.exe
"C:\Windows\SysWOW64\netsh.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4056

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\55612335.exe"
3⤵
PID:3648

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nscE3AB.tmp\dufumxrhk.dll
MD5
f463c9c4f74c0a99e248d5334ff30fad

SHA1
04fc43ed81620bb327f698620ca9af4c10072acf

SHA256
d3a0c36bc7b6acb4cd446e05aa7b7f54ddd5aa52208eec94c678c1c433b01aa5

SHA512
410e282c122a4b11eb3438639fa9ec319e7db4842cb29fed145e03d12defa90d713fc9e5c293a884a29fb3fcf07ffa4ac5640e3a3f2ad968f6eec62fcfd7daed

Download Submit
memory/2812-116-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2812-117-0x000000000041F150-mapping.dmp

Download
memory/2812-120-0x0000000000500000-0x000000000064A000-memory.dmp

Filesize
1.3MB

Download
memory/2812-119-0x0000000000A30000-0x0000000000D50000-memory.dmp

Filesize
3.1MB

Download
memory/2872-128-0x0000000003190000-0x0000000003234000-memory.dmp

Filesize
656KB

Download
memory/2872-121-0x0000000003010000-0x00000000030D4000-memory.dmp

Filesize
784KB

Download
memory/3648-123-0x0000000000000000-mapping.dmp

Download
memory/4056-122-0x0000000000000000-mapping.dmp

Download
memory/4056-124-0x00000000013D0000-0x00000000013EE000-memory.dmp

Filesize
120KB

Download
memory/4056-126-0x0000000000E50000-0x0000000001170000-memory.dmp

Filesize
3.1MB

Download
memory/4056-127-0x0000000000CB0000-0x0000000000D43000-memory.dmp

Filesize
588KB

Download
memory/4056-125-0x0000000000590000-0x00000000005BF000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads