formbook | 94556864decf10552fa3c93ff21180f06edacc3f57168eb4e3d8c1ec872b7ef1

Analysis

max time kernel
146s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-12-2024 00:09

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General

Target

quhthbz.exe
Size

5KB
MD5

76d62afbd866bb7c381a22dc2996bd05
SHA1

912911b232c8d942231d3935d0e45badb7006e75
SHA256

20aab90003cd0daf3e9f0cf54d2ab45ff981a72cfe2bdd73e962b9d5e3af7c43
SHA512

1ddc33c8e47886e1a7abf878011a0d8a4f33655a9a3ce5cfdc7c51a6aef46acda8bd22d9ea1b2572660e9d37dc3af9ce09c0cd11cd62d963c8bf0bc39dc876e6
SSDEEP

48:vpgJ0Gfhxk9RncozPLOFYTLOFY1MVMkQt8+l6XU6vLUYmRarMy:BZzsozPSFaSFmjt8o6XU6TUVRar

Score

10^/10

formbook je14 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

je14

Decoy

innervisionbuildings.com

theenergysocialite.com

565548.com

panghr.com

onlyonesolutions.com

stjohnzone6.com

cnotes.rest

helfeb.online

xixi-s-inc.club

easilyentered.com

theshopx.store

mrclean-ac.com

miamibeachwateradventures.com

jpearce.co.uk

seseragi-bunkou.com

minimaddie.com

commbank-help-849c3.com

segohandelsonderneming.com

namthanhreal.com

fototerapi.online

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral4/memory/1424-1-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral4/memory/1424-4-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral4/memory/208-12-0x0000000000190000-0x00000000001BF000-memory.dmp	formbook
behavioral4/memory/208-14-0x0000000000190000-0x00000000001BF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4680 set thread context of 1424	4680	quhthbz.exe	83
PID 1424 set thread context of 3436	1424	quhthbz.exe	56
PID 208 set thread context of 3436	208	msiexec.exe	56

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	quhthbz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
1424	quhthbz.exe
1424	quhthbz.exe
1424	quhthbz.exe
1424	quhthbz.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe
208	msiexec.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4680	quhthbz.exe
1424	quhthbz.exe
1424	quhthbz.exe
1424	quhthbz.exe
208	msiexec.exe
208	msiexec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1424	quhthbz.exe
Token: SeDebugPrivilege	208	msiexec.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4680 wrote to memory of 1424	4680	quhthbz.exe	83
PID 4680 wrote to memory of 1424	4680	quhthbz.exe	83
PID 4680 wrote to memory of 1424	4680	quhthbz.exe	83
PID 4680 wrote to memory of 1424	4680	quhthbz.exe	83
PID 3436 wrote to memory of 208	3436	Explorer.EXE	84
PID 3436 wrote to memory of 208	3436	Explorer.EXE	84
PID 3436 wrote to memory of 208	3436	Explorer.EXE	84
PID 208 wrote to memory of 3692	208	msiexec.exe	86
PID 208 wrote to memory of 3692	208	msiexec.exe	86
PID 208 wrote to memory of 3692	208	msiexec.exe	86

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3436
- C:\Users\Admin\AppData\Local\Temp\quhthbz.exe
  "C:\Users\Admin\AppData\Local\Temp\quhthbz.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4680
- - C:\Users\Admin\AppData\Local\Temp\quhthbz.exe
    "C:\Users\Admin\AppData\Local\Temp\quhthbz.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1424
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:208
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\quhthbz.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/208-9-0x0000000000DA0000-0x0000000000DB2000-memory.dmp

Filesize
72KB

Download
memory/208-16-0x0000000000CF0000-0x0000000000D83000-memory.dmp

Filesize
588KB

Download
memory/208-14-0x0000000000190000-0x00000000001BF000-memory.dmp

Filesize
188KB

Download
memory/208-13-0x0000000002380000-0x00000000026CA000-memory.dmp

Filesize
3.3MB

Download
memory/208-12-0x0000000000190000-0x00000000001BF000-memory.dmp

Filesize
188KB

Download
memory/208-11-0x0000000000DA0000-0x0000000000DB2000-memory.dmp

Filesize
72KB

Download
memory/208-7-0x0000000000DA0000-0x0000000000DB2000-memory.dmp

Filesize
72KB

Download
memory/1424-4-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1424-5-0x00000000014B0000-0x00000000014C4000-memory.dmp

Filesize
80KB

Download
memory/1424-2-0x0000000001670000-0x00000000019BA000-memory.dmp

Filesize
3.3MB

Download
memory/1424-1-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3436-6-0x0000000002730000-0x0000000002854000-memory.dmp

Filesize
1.1MB

Download
memory/3436-15-0x0000000002730000-0x0000000002854000-memory.dmp

Filesize
1.1MB

Download
memory/3436-20-0x0000000003E30000-0x0000000003ED4000-memory.dmp

Filesize
656KB

Download
memory/3436-21-0x0000000003E30000-0x0000000003ED4000-memory.dmp

Filesize
656KB

Download
memory/3436-23-0x0000000003E30000-0x0000000003ED4000-memory.dmp

Filesize
656KB

Download
memory/4680-0-0x00000000009D0000-0x00000000009D2000-memory.dmp

Filesize
8KB

Download