formbook | 86741510935fc30581a17848b7d391461c8aa3c749fd8c7998682c637f7486c0

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-08-2022 03:48

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General

Target

tmp.exe
Size

185KB
MD5

b714b6e24d1d6e4951f4c83173412575
SHA1

509ae497a7349827f4bbd9085e15b9e3cfc8f53e
SHA256

86741510935fc30581a17848b7d391461c8aa3c749fd8c7998682c637f7486c0
SHA512

e087aea2bb327f70a83b75bc81217c1c3041bb9d7e79f915b10af3fff1a9031bf6dce0d93a5a9564b99787ec5396fae23c9f024c56d747f7230604f8048ca89d
SSDEEP

3072:tdpPkgyUnaoZ3G/UeoeIkqD47iVCAErfoHgcT5mEZB25EcJZ+2FAdqh:bzFGMhkqD47i0rfgv1nU5njh

Score

10^/10

formbook ba17 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ba17

Decoy

zoltaron.tech

exopets.online

trippingtravel.com

banded.top

shinebrightdesigns.co.uk

djlbb.com

abcsofmindfulness.com

linkaktifasialive88.club

185068.sbs

tjhongguo.com

portaldigi.store

theshoe.club

r-ceive.app

kmwww.top

search-publishing.com

banksmanlights.net

flyonthewallmovie.com

congrulations.website

trnt.store

udajabojka.xyz

Signatures

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

Formbook payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/540-137-0x0000000000700000-0x000000000072F000-memory.dmp	formbook
behavioral2/memory/540-143-0x0000000000700000-0x000000000072F000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

Processes:

tmp.exeWWAHost.exe

description	pid	process	target process
PID 4484 set thread context of 900	4484	tmp.exe	Explorer.EXE
PID 540 set thread context of 900	540	WWAHost.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 58 IoCs

Processes:

tmp.exeWWAHost.exe

pid	process
4484	tmp.exe
4484	tmp.exe
4484	tmp.exe
4484	tmp.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe
540	WWAHost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

900 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

tmp.exeWWAHost.exe

pid process

4484 tmp.exe
4484 tmp.exe
4484 tmp.exe
540 WWAHost.exe
540 WWAHost.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

tmp.exeWWAHost.exe

description pid process

Token: SeDebugPrivilege 4484 tmp.exe
Token: SeDebugPrivilege 540 WWAHost.exe

pid	process
900	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	4484	tmp.exe
Token: SeDebugPrivilege	540	WWAHost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Explorer.EXEWWAHost.exe

description	pid	process	target process
PID 900 wrote to memory of 540	900	Explorer.EXE	WWAHost.exe
PID 900 wrote to memory of 540	900	Explorer.EXE	WWAHost.exe
PID 900 wrote to memory of 540	900	Explorer.EXE	WWAHost.exe
PID 540 wrote to memory of 3864	540	WWAHost.exe	cmd.exe
PID 540 wrote to memory of 3864	540	WWAHost.exe	cmd.exe
PID 540 wrote to memory of 3864	540	WWAHost.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:900

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4484

C:\Windows\SysWOW64\WWAHost.exe
"C:\Windows\SysWOW64\WWAHost.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:540

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
3⤵
PID:3864

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/540-139-0x0000000001980000-0x0000000001CCA000-memory.dmp

Filesize
3.3MB

Download
memory/540-143-0x0000000000700000-0x000000000072F000-memory.dmp

Filesize
188KB

Download
memory/540-141-0x00000000016F0000-0x0000000001783000-memory.dmp

Filesize
588KB

Download
memory/540-135-0x0000000000000000-mapping.dmp

Download
memory/540-136-0x0000000000AD0000-0x0000000000BAC000-memory.dmp

Filesize
880KB

Download
memory/540-137-0x0000000000700000-0x000000000072F000-memory.dmp

Filesize
188KB

Download
memory/900-142-0x0000000003580000-0x000000000366A000-memory.dmp

Filesize
936KB

Download
memory/900-140-0x0000000003260000-0x0000000003377000-memory.dmp

Filesize
1.1MB

Download
memory/900-134-0x0000000003260000-0x0000000003377000-memory.dmp

Filesize
1.1MB

Download
memory/900-144-0x0000000003580000-0x000000000366A000-memory.dmp

Filesize
936KB

Download
memory/3864-138-0x0000000000000000-mapping.dmp

Download
memory/4484-132-0x0000000000D40000-0x000000000108A000-memory.dmp

Filesize
3.3MB

Download
memory/4484-133-0x0000000000810000-0x0000000000824000-memory.dmp

Filesize
80KB

Download