formbook | 758be6348766dc3d14c8c122a7ea4967583fb76ea36a4a8ca8e9973eff7b526f

General

Target

8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe
Size

672KB
MD5

efc1aecb2febb98362434f147e63d852
SHA1

924abf59555a3b57e0a48f5ffb63732ac6969045
SHA256

8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a
SHA512

edb6f959093546fcf4b4379d3110c829dc620914cd0680d6166b053520e012fe54833218afd76c3f28eb119c551c650f3251b03af48b244c5116069d73338c37
SSDEEP

12288:gtNR4EoOBKMNHlg5yjFqYG6W0KDyMBu34T9NwdooIqVN5hxhwaJX6gtnSHjP:CoOBrBltZSqtAu34THgamuwX3ajP

Score

10^/10

formbook fs83 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

fs83

Decoy

blastol.space

tomwalkerisfalco.com

us-sumatrraslimbellytonic.com

drywallandpaintingservice.com

vntapp.net

passportpages.site

at-mim.com

yeondagoods.com

teomanyildirim.com

paygame.site

senze.art

alhandco.com

9831bsej.xyz

traumatic.xyz

sos-soutien.com

thetechnolgy.live

washing-machine-46612.bond

marvsneakers.com

shequbaike.net

xc4f35fg4h35fg4h53.top

Signatures

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

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1516-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1516-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1832-55-0x00000000010D0000-0x00000000010FF000-memory.dmp	formbook
behavioral2/memory/1832-69-0x00000000010D0000-0x00000000010FF000-memory.dmp	formbook

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\Control Panel\International\Geo\Nation	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exeRegSvcs.execmstp.exe

description	pid	process	target process
PID 3696 set thread context of 1516	3696	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	RegSvcs.exe
PID 1516 set thread context of 3444	1516	RegSvcs.exe	Explorer.EXE
PID 1832 set thread context of 3444	1832	cmstp.exe	Explorer.EXE

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 58 IoCs

Processes:

RegSvcs.exepowershell.execmstp.exe

pid	process
1516	RegSvcs.exe
1516	RegSvcs.exe
1516	RegSvcs.exe
1516	RegSvcs.exe
2712	powershell.exe
2712	powershell.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe
1832	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.execmstp.exe

pid process

1516 RegSvcs.exe
1516 RegSvcs.exe
1516 RegSvcs.exe
1832 cmstp.exe
1832 cmstp.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

RegSvcs.exepowershell.execmstp.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1516	RegSvcs.exe
Token: SeDebugPrivilege	2712	powershell.exe
Token: SeDebugPrivilege	1832	cmstp.exe
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 3696 wrote to memory of 2712	3696	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	powershell.exe
PID 3696 wrote to memory of 2712	3696	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	powershell.exe
PID 3696 wrote to memory of 2712	3696	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	powershell.exe
PID 3696 wrote to memory of 1516	3696	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	RegSvcs.exe
PID 3696 wrote to memory of 1516	3696	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	RegSvcs.exe
PID 3696 wrote to memory of 1516	3696	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	RegSvcs.exe
PID 3696 wrote to memory of 1516	3696	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	RegSvcs.exe
PID 3696 wrote to memory of 1516	3696	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	RegSvcs.exe
PID 3696 wrote to memory of 1516	3696	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	RegSvcs.exe
PID 3444 wrote to memory of 1832	3444	Explorer.EXE	cmstp.exe
PID 3444 wrote to memory of 1832	3444	Explorer.EXE	cmstp.exe
PID 3444 wrote to memory of 1832	3444	Explorer.EXE	cmstp.exe
PID 1832 wrote to memory of 3648	1832	cmstp.exe	cmd.exe
PID 1832 wrote to memory of 3648	1832	cmstp.exe	cmd.exe
PID 1832 wrote to memory of 3648	1832	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3444

C:\Users\Admin\AppData\Local\Temp\8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe
"C:\Users\Admin\AppData\Local\Temp\8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3696

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2712

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1516

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1832

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:3648

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5rbwccyj.seg.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1516-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1516-21-0x0000000000DB0000-0x0000000000DC4000-memory.dmp

Filesize
80KB

Download
memory/1516-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1516-17-0x0000000001250000-0x000000000159A000-memory.dmp

Filesize
3.3MB

Download
memory/1832-71-0x0000000002DE0000-0x0000000002E73000-memory.dmp

Filesize
588KB

Download
memory/1832-69-0x00000000010D0000-0x00000000010FF000-memory.dmp

Filesize
188KB

Download
memory/1832-59-0x0000000002F70000-0x00000000032BA000-memory.dmp

Filesize
3.3MB

Download
memory/1832-55-0x00000000010D0000-0x00000000010FF000-memory.dmp

Filesize
188KB

Download
memory/1832-54-0x0000000000AC0000-0x0000000000AD6000-memory.dmp

Filesize
88KB

Download
memory/1832-53-0x0000000000AC0000-0x0000000000AD6000-memory.dmp

Filesize
88KB

Download
memory/2712-36-0x0000000006600000-0x000000000661E000-memory.dmp

Filesize
120KB

Download
memory/2712-61-0x0000000007B10000-0x0000000007B21000-memory.dmp

Filesize
68KB

Download
memory/2712-68-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/2712-15-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/2712-16-0x0000000005300000-0x0000000005310000-memory.dmp

Filesize
64KB

Download
memory/2712-65-0x0000000007C30000-0x0000000007C38000-memory.dmp

Filesize
32KB

Download
memory/2712-18-0x0000000005940000-0x0000000005F68000-memory.dmp

Filesize
6.2MB

Download
memory/2712-64-0x0000000007C50000-0x0000000007C6A000-memory.dmp

Filesize
104KB

Download
memory/2712-63-0x0000000007B50000-0x0000000007B64000-memory.dmp

Filesize
80KB

Download
memory/2712-22-0x0000000005510000-0x0000000005532000-memory.dmp

Filesize
136KB

Download
memory/2712-62-0x0000000007B40000-0x0000000007B4E000-memory.dmp

Filesize
56KB

Download
memory/2712-13-0x0000000002CF0000-0x0000000002D26000-memory.dmp

Filesize
216KB

Download
memory/2712-24-0x00000000058B0000-0x0000000005916000-memory.dmp

Filesize
408KB

Download
memory/2712-30-0x0000000005FE0000-0x0000000006046000-memory.dmp

Filesize
408KB

Download
memory/2712-35-0x0000000006050000-0x00000000063A4000-memory.dmp

Filesize
3.3MB

Download
memory/2712-60-0x0000000007B90000-0x0000000007C26000-memory.dmp

Filesize
600KB

Download
memory/2712-37-0x0000000006640000-0x000000000668C000-memory.dmp

Filesize
304KB

Download
memory/2712-38-0x0000000005300000-0x0000000005310000-memory.dmp

Filesize
64KB

Download
memory/2712-39-0x000000007F270000-0x000000007F280000-memory.dmp

Filesize
64KB

Download
memory/2712-40-0x00000000075D0000-0x0000000007602000-memory.dmp

Filesize
200KB

Download
memory/2712-41-0x0000000071060000-0x00000000710AC000-memory.dmp

Filesize
304KB

Download
memory/2712-51-0x0000000006BA0000-0x0000000006BBE000-memory.dmp

Filesize
120KB

Download
memory/2712-52-0x0000000007810000-0x00000000078B3000-memory.dmp

Filesize
652KB

Download
memory/2712-58-0x0000000007980000-0x000000000798A000-memory.dmp

Filesize
40KB

Download
memory/2712-57-0x0000000007910000-0x000000000792A000-memory.dmp

Filesize
104KB

Download
memory/2712-56-0x0000000007F60000-0x00000000085DA000-memory.dmp

Filesize
6.5MB

Download
memory/3444-23-0x00000000087F0000-0x000000000895D000-memory.dmp

Filesize
1.4MB

Download
memory/3444-79-0x0000000008960000-0x0000000008ADC000-memory.dmp

Filesize
1.5MB

Download
memory/3444-76-0x0000000008960000-0x0000000008ADC000-memory.dmp

Filesize
1.5MB

Download
memory/3444-75-0x0000000008960000-0x0000000008ADC000-memory.dmp

Filesize
1.5MB

Download
memory/3696-9-0x000000000BAE0000-0x000000000BB56000-memory.dmp

Filesize
472KB

Download
memory/3696-7-0x0000000005270000-0x0000000005278000-memory.dmp

Filesize
32KB

Download
memory/3696-0-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/3696-8-0x0000000005300000-0x000000000530C000-memory.dmp

Filesize
48KB

Download
memory/3696-4-0x0000000005010000-0x0000000005020000-memory.dmp

Filesize
64KB

Download
memory/3696-10-0x000000000F170000-0x000000000F20C000-memory.dmp

Filesize
624KB

Download
memory/3696-14-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/3696-2-0x0000000005650000-0x0000000005BF4000-memory.dmp

Filesize
5.6MB

Download
memory/3696-1-0x0000000000540000-0x00000000005EA000-memory.dmp

Filesize
680KB

Download
memory/3696-3-0x00000000050A0000-0x0000000005132000-memory.dmp

Filesize
584KB

Download
memory/3696-6-0x0000000005250000-0x000000000526C000-memory.dmp

Filesize
112KB

Download
memory/3696-5-0x0000000004FE0000-0x0000000004FEA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads