formbook | 71ea65acce74b5793f509989efe2b9dee25d7700f6d52aeb07e321ad2ebe0b59

General

Target

tmp.exe
Size

572KB
MD5

5215d77fe7658c57dfa558d06347cb9d
SHA1

bec3bc597455060365a4b52a94d6cd10bb1d8e70
SHA256

71ea65acce74b5793f509989efe2b9dee25d7700f6d52aeb07e321ad2ebe0b59
SHA512

409a12e9201ec535d03bb250e3ae2bba23729574f1a21b31a409431c55562740869ad3465263c4b27fc3d60f719684974237ef2abac034bf631dadfad2052f0d
SSDEEP

12288:SqJLBMmBDlr4COKJ+JLgRSZ5KPZYPfzD:SqJFMJCOKc/KRY

Score

10^/10

formbook g2fg rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

g2fg

Decoy

snowcrash.website

pointman.us

newheartvalve.care

drandl.com

sandspringsramblers.com

programagubernamental.online

boja.us

mvrsnike.com

mentallyillmotherhood.com

facom.us

programagubernamental.store

izivente.com

roller-v.fr

amazonbioactives.com

metaverseapple.xyz

5gt-mobilevsverizon.com

gtwebsolutions.co

scottdunn.life

usdp.trade

pikmin.run

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/2376-143-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2376-149-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/368-162-0x0000000000BD0000-0x0000000000BFF000-memory.dmp	formbook
behavioral2/memory/368-168-0x0000000000BD0000-0x0000000000BFF000-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:

tmp.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation tmp.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	tmp.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

tmp.exetmp.exechkdsk.exe

description	pid	process	target process
PID 4332 set thread context of 2376	4332	tmp.exe	tmp.exe
PID 2376 set thread context of 376	2376	tmp.exe	Explorer.EXE
PID 368 set thread context of 376	368	chkdsk.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
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

4916 schtasks.exe
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

pid	process
4916	schtasks.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

Processes:

powershell.exetmp.exechkdsk.exe

pid	process
1856	powershell.exe
2376	tmp.exe
2376	tmp.exe
1856	powershell.exe
2376	tmp.exe
2376	tmp.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe
368	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

376 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

tmp.exechkdsk.exe

pid process

2376 tmp.exe
2376 tmp.exe
2376 tmp.exe
368 chkdsk.exe
368 chkdsk.exe

pid	process
376	Explorer.EXE

pid	process
2376	tmp.exe
2376	tmp.exe
2376	tmp.exe
368	chkdsk.exe
368	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

powershell.exetmp.exechkdsk.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1856	powershell.exe
Token: SeDebugPrivilege	2376	tmp.exe
Token: SeDebugPrivilege	368	chkdsk.exe
Token: SeShutdownPrivilege	376	Explorer.EXE
Token: SeCreatePagefilePrivilege	376	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

tmp.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 4332 wrote to memory of 1856	4332	tmp.exe	powershell.exe
PID 4332 wrote to memory of 1856	4332	tmp.exe	powershell.exe
PID 4332 wrote to memory of 1856	4332	tmp.exe	powershell.exe
PID 4332 wrote to memory of 4916	4332	tmp.exe	schtasks.exe
PID 4332 wrote to memory of 4916	4332	tmp.exe	schtasks.exe
PID 4332 wrote to memory of 4916	4332	tmp.exe	schtasks.exe
PID 4332 wrote to memory of 2376	4332	tmp.exe	tmp.exe
PID 4332 wrote to memory of 2376	4332	tmp.exe	tmp.exe
PID 4332 wrote to memory of 2376	4332	tmp.exe	tmp.exe
PID 4332 wrote to memory of 2376	4332	tmp.exe	tmp.exe
PID 4332 wrote to memory of 2376	4332	tmp.exe	tmp.exe
PID 4332 wrote to memory of 2376	4332	tmp.exe	tmp.exe
PID 376 wrote to memory of 368	376	Explorer.EXE	chkdsk.exe
PID 376 wrote to memory of 368	376	Explorer.EXE	chkdsk.exe
PID 376 wrote to memory of 368	376	Explorer.EXE	chkdsk.exe
PID 368 wrote to memory of 3844	368	chkdsk.exe	cmd.exe
PID 368 wrote to memory of 3844	368	chkdsk.exe	cmd.exe
PID 368 wrote to memory of 3844	368	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:376
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:4332
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PSjwKGB.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1856
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PSjwKGB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA5F4.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:4916
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2376
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:368
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    3⤵
    PID:3844

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA5F4.tmp

Filesize
1KB

MD5
f77ce956069ee3927a7710d35858ab7d

SHA1
dee9fa99f2f30e9c0201c265a46a29f86ba4b034

SHA256
3f50b2ed6ecc02ce0cf6382cdaf3918c8e33382ac19706fc0761d965d4ebece0

SHA512
6e5d47317ae837e6ff1ee0c31d8fabc6c5a4725a47c6f1a0d8b0876eaaa19fa6679e82dfca46ca7a04019bcade68664622cb1db0cd9c002909f36973bdf2b084

Download Submit
memory/368-169-0x0000000001410000-0x00000000014A3000-memory.dmp

Filesize
588KB

Download
memory/368-168-0x0000000000BD0000-0x0000000000BFF000-memory.dmp

Filesize
188KB

Download
memory/368-167-0x0000000001500000-0x000000000184A000-memory.dmp

Filesize
3.3MB

Download
memory/368-162-0x0000000000BD0000-0x0000000000BFF000-memory.dmp

Filesize
188KB

Download
memory/368-161-0x0000000000E00000-0x0000000000E0A000-memory.dmp

Filesize
40KB

Download
memory/368-159-0x0000000000000000-mapping.dmp

Download
memory/376-152-0x00000000037D0000-0x0000000003887000-memory.dmp

Filesize
732KB

Download
memory/376-171-0x0000000008B70000-0x0000000008CAB000-memory.dmp

Filesize
1.2MB

Download
memory/376-170-0x0000000008B70000-0x0000000008CAB000-memory.dmp

Filesize
1.2MB

Download
memory/1856-160-0x0000000007B90000-0x0000000007C26000-memory.dmp

Filesize
600KB

Download
memory/1856-165-0x0000000007C50000-0x0000000007C6A000-memory.dmp

Filesize
104KB

Download
memory/1856-144-0x0000000005640000-0x0000000005662000-memory.dmp

Filesize
136KB

Download
memory/1856-145-0x0000000005F20000-0x0000000005F86000-memory.dmp

Filesize
408KB

Download
memory/1856-146-0x0000000005F90000-0x0000000005FF6000-memory.dmp

Filesize
408KB

Download
memory/1856-148-0x00000000065F0000-0x000000000660E000-memory.dmp

Filesize
120KB

Download
memory/1856-137-0x0000000000000000-mapping.dmp

Download
memory/1856-166-0x0000000007B80000-0x0000000007B88000-memory.dmp

Filesize
32KB

Download
memory/1856-164-0x0000000007B30000-0x0000000007B3E000-memory.dmp

Filesize
56KB

Download
memory/1856-139-0x0000000001450000-0x0000000001486000-memory.dmp

Filesize
216KB

Download
memory/1856-153-0x0000000006BA0000-0x0000000006BD2000-memory.dmp

Filesize
200KB

Download
memory/1856-154-0x0000000071890000-0x00000000718DC000-memory.dmp

Filesize
304KB

Download
memory/1856-155-0x0000000006B80000-0x0000000006B9E000-memory.dmp

Filesize
120KB

Download
memory/1856-156-0x0000000008030000-0x00000000086AA000-memory.dmp

Filesize
6.5MB

Download
memory/1856-157-0x00000000076F0000-0x000000000770A000-memory.dmp

Filesize
104KB

Download
memory/1856-158-0x0000000007760000-0x000000000776A000-memory.dmp

Filesize
40KB

Download
memory/1856-141-0x0000000005870000-0x0000000005E98000-memory.dmp

Filesize
6.2MB

Download
memory/2376-142-0x0000000000000000-mapping.dmp

Download
memory/2376-151-0x0000000001080000-0x0000000001094000-memory.dmp

Filesize
80KB

Download
memory/2376-143-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2376-150-0x00000000010F0000-0x000000000143A000-memory.dmp

Filesize
3.3MB

Download
memory/2376-149-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3844-163-0x0000000000000000-mapping.dmp

Download
memory/4332-132-0x00000000006C0000-0x0000000000756000-memory.dmp

Filesize
600KB

Download
memory/4332-136-0x0000000008E50000-0x0000000008EEC000-memory.dmp

Filesize
624KB

Download
memory/4332-135-0x00000000050F0000-0x00000000050FA000-memory.dmp

Filesize
40KB

Download
memory/4332-134-0x0000000005140000-0x00000000051D2000-memory.dmp

Filesize
584KB

Download
memory/4332-133-0x00000000056F0000-0x0000000005C94000-memory.dmp

Filesize
5.6MB

Download
memory/4916-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads