formbook | a93b39035f5ae1ace569c25759239f8c0361bf2462cb22f2a780c14de2821fe4

General

Target

Lettera di restituzione per Siberia LLC.jpeg.exe
Size

893KB
MD5

6e2732d297f1666f6c9eed9de730c39e
SHA1

54df8b2dc7352b75dd09103f2a399fde314e4e53
SHA256

a93b39035f5ae1ace569c25759239f8c0361bf2462cb22f2a780c14de2821fe4
SHA512

0ea8f7a145129ba54132b4833952b66783ade6d28cf9f551800018de6b946e661f7c903405e22136acd037335f43ae8668fd27a3419985f3f932e50b8e6d86d8

Score

10^/10

formbook n7ak rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

C2

http://www.kmresults.com/n7ak/

Decoy

modischoolcbse.com

theneverwinter.com

rszkjx-vps-hosting.website

fnihil.com

1pbet.com

nnowzscorrez.com

uaotgvjl.icu

starmapsqatar.com

ekisilani.com

extradeepsheets.com

jam-nins.com

buranly.com

orixentertainment.com

rawtech.energy

myol.guru

utex.club

jiapie.com

wowig.store

wweidlyyl.com

systaskautomation.com

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/1168-116-0x0000000000000000-mapping.dmp	formbook
behavioral2/memory/1168-118-0x0000000073D80000-0x0000000073DAE000-memory.dmp	formbook
behavioral2/memory/1324-125-0x0000000000750000-0x000000000077E000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

Processes:

mobsync.exenetsh.exe

description	pid	process	target process
PID 1168 set thread context of 3024	1168	mobsync.exe	Explorer.EXE
PID 1324 set thread context of 3024	1324	netsh.exe	Explorer.EXE

Modifies registry class 2 IoCs

Processes:

Explorer.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 56 IoCs

Processes:

mobsync.exenetsh.exe

pid	process
1168	mobsync.exe
1168	mobsync.exe
1168	mobsync.exe
1168	mobsync.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe
1324	netsh.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3024 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

mobsync.exenetsh.exe

pid process

1168 mobsync.exe
1168 mobsync.exe
1168 mobsync.exe
1324 netsh.exe
1324 netsh.exe

pid	process
3024	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 12 IoCs

Processes:

mobsync.exenetsh.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1168	mobsync.exe
Token: SeDebugPrivilege	1324	netsh.exe
Token: SeShutdownPrivilege	3024	Explorer.EXE
Token: SeCreatePagefilePrivilege	3024	Explorer.EXE
Token: SeShutdownPrivilege	3024	Explorer.EXE
Token: SeCreatePagefilePrivilege	3024	Explorer.EXE
Token: SeShutdownPrivilege	3024	Explorer.EXE
Token: SeCreatePagefilePrivilege	3024	Explorer.EXE
Token: SeShutdownPrivilege	3024	Explorer.EXE
Token: SeCreatePagefilePrivilege	3024	Explorer.EXE
Token: SeShutdownPrivilege	3024	Explorer.EXE
Token: SeCreatePagefilePrivilege	3024	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

3024 Explorer.EXE
3024 Explorer.EXE
3024 Explorer.EXE
3024 Explorer.EXE

pid	process
3024	Explorer.EXE
3024	Explorer.EXE
3024	Explorer.EXE
3024	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Lettera di restituzione per Siberia LLC.jpeg.exeExplorer.EXEnetsh.exe

description	pid	process	target process
PID 900 wrote to memory of 1168	900	Lettera di restituzione per Siberia LLC.jpeg.exe	mobsync.exe
PID 900 wrote to memory of 1168	900	Lettera di restituzione per Siberia LLC.jpeg.exe	mobsync.exe
PID 900 wrote to memory of 1168	900	Lettera di restituzione per Siberia LLC.jpeg.exe	mobsync.exe
PID 900 wrote to memory of 1168	900	Lettera di restituzione per Siberia LLC.jpeg.exe	mobsync.exe
PID 900 wrote to memory of 1168	900	Lettera di restituzione per Siberia LLC.jpeg.exe	mobsync.exe
PID 900 wrote to memory of 1168	900	Lettera di restituzione per Siberia LLC.jpeg.exe	mobsync.exe
PID 3024 wrote to memory of 1324	3024	Explorer.EXE	netsh.exe
PID 3024 wrote to memory of 1324	3024	Explorer.EXE	netsh.exe
PID 3024 wrote to memory of 1324	3024	Explorer.EXE	netsh.exe
PID 1324 wrote to memory of 1428	1324	netsh.exe	cmd.exe
PID 1324 wrote to memory of 1428	1324	netsh.exe	cmd.exe
PID 1324 wrote to memory of 1428	1324	netsh.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3024

C:\Users\Admin\AppData\Local\Temp\Lettera di restituzione per Siberia LLC.jpeg.exe
"C:\Users\Admin\AppData\Local\Temp\Lettera di restituzione per Siberia LLC.jpeg.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:900

C:\Windows\SysWOW64\mobsync.exe
C:\Windows\System32\mobsync.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1168

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:1324

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\mobsync.exe"
3⤵
PID:1428

Network

MITRE ATT&CK Matrix

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Downloads

memory/900-114-0x0000000002310000-0x0000000002311000-memory.dmp

Filesize
4KB

Download
memory/1168-120-0x0000000004E40000-0x0000000004E54000-memory.dmp

Filesize
80KB

Download
memory/1168-118-0x0000000073D80000-0x0000000073DAE000-memory.dmp

Filesize
184KB

Download
memory/1168-117-0x00000000030B0000-0x00000000030B1000-memory.dmp

Filesize
4KB

Download
memory/1168-119-0x0000000004F90000-0x00000000052B0000-memory.dmp

Filesize
3.1MB

Download
memory/1168-116-0x0000000000000000-mapping.dmp

Download
memory/1324-122-0x0000000000000000-mapping.dmp

Download
memory/1324-124-0x0000000001520000-0x000000000153E000-memory.dmp

Filesize
120KB

Download
memory/1324-125-0x0000000000750000-0x000000000077E000-memory.dmp

Filesize
184KB

Download
memory/1324-126-0x0000000003540000-0x0000000003860000-memory.dmp

Filesize
3.1MB

Download
memory/1324-127-0x0000000001160000-0x00000000011F3000-memory.dmp

Filesize
588KB

Download
memory/1428-123-0x0000000000000000-mapping.dmp

Download
memory/3024-121-0x0000000004DA0000-0x0000000004E7F000-memory.dmp

Filesize
892KB

Download
memory/3024-128-0x0000000002630000-0x00000000026E5000-memory.dmp

Filesize
724KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads