formbook | 9b250f96c8e383893d2c2f0ae940312d86e6aec8d0e27aadd9087dce67d17c46

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-11-2024 02:50

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General

Target

9b250f96c8e383893d2c2f0ae940312d86e6aec8d0e27aadd9087dce67d17c46.exe
Size

1.0MB
MD5

8fdc4e20705ad4f83474fd664ba6b627
SHA1

29452d7daa56ceecf38fefb434ac78fadf494b3b
SHA256

9b250f96c8e383893d2c2f0ae940312d86e6aec8d0e27aadd9087dce67d17c46
SHA512

5aa6885ee2d16167ad65f5dabf45f78078f97f33aefcc2a9fe89eed6fd68b38eab07d8ac493c89f173f794c8e9aaf4edb09111c36f15a67244389bd752c70881
SSDEEP

12288:Ytb20Qc3lT7af41ePBRYuQLKpqeUhbTv5OFgNuPPpHSgad7ouhgE/f4SeKq6o6A:Ytb20pkaCqT5TBWgNQ7axoCA5N6o6A

Score

10^/10

formbook ge07 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ge07

Decoy

amyard.shop

eloshost.xyz

g18q11a.top

orensic-vendor-735524320.click

ithin-ksvodn.xyz

xhyx.top

elonix-traceglow.pro

cillascrewedsedroth.cfd

wner-nyquh.xyz

reyhazeusa.shop

esmellretaperetotal.cfd

hqm-during.xyz

pipagtxcorrelo.xyz

lray-civil.xyz

apybarameme.xyz

rbuds.shop

hild-fcudh.xyz

rkgexg.top

estwestcottwines.shop

giyztm.xyz

Signatures

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

Formbook payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4528-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4528-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1588-20-0x0000000000D70000-0x0000000000D9F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

9b250f96c8e383893d2c2f0ae940312d86e6aec8d0e27aadd9087dce67d17c46.exesvchost.exechkdsk.exe

description	pid	Process	procid_target
PID 1336 set thread context of 4528	1336	9b250f96c8e383893d2c2f0ae940312d86e6aec8d0e27aadd9087dce67d17c46.exe	86
PID 4528 set thread context of 3520	4528	svchost.exe	56
PID 1588 set thread context of 3520	1588	chkdsk.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

Processes:

9b250f96c8e383893d2c2f0ae940312d86e6aec8d0e27aadd9087dce67d17c46.exechkdsk.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9b250f96c8e383893d2c2f0ae940312d86e6aec8d0e27aadd9087dce67d17c46.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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

Modifies registry class 1 IoCs

Processes:

Explorer.EXE

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

svchost.exechkdsk.exe

pid	Process
4528	svchost.exe
4528	svchost.exe
4528	svchost.exe
4528	svchost.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe
1588	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

9b250f96c8e383893d2c2f0ae940312d86e6aec8d0e27aadd9087dce67d17c46.exesvchost.exechkdsk.exe

pid	Process
1336	9b250f96c8e383893d2c2f0ae940312d86e6aec8d0e27aadd9087dce67d17c46.exe
4528	svchost.exe
4528	svchost.exe
4528	svchost.exe
1588	chkdsk.exe
1588	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

svchost.exeExplorer.EXEchkdsk.exe

description	pid	Process
Token: SeDebugPrivilege	4528	svchost.exe
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeDebugPrivilege	1588	chkdsk.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid	Process
3520	Explorer.EXE
3520	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid	Process
3520	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

9b250f96c8e383893d2c2f0ae940312d86e6aec8d0e27aadd9087dce67d17c46.exeExplorer.EXEchkdsk.exe

description	pid	Process	procid_target
PID 1336 wrote to memory of 4528	1336	9b250f96c8e383893d2c2f0ae940312d86e6aec8d0e27aadd9087dce67d17c46.exe	86
PID 1336 wrote to memory of 4528	1336	9b250f96c8e383893d2c2f0ae940312d86e6aec8d0e27aadd9087dce67d17c46.exe	86
PID 1336 wrote to memory of 4528	1336	9b250f96c8e383893d2c2f0ae940312d86e6aec8d0e27aadd9087dce67d17c46.exe	86
PID 1336 wrote to memory of 4528	1336	9b250f96c8e383893d2c2f0ae940312d86e6aec8d0e27aadd9087dce67d17c46.exe	86
PID 3520 wrote to memory of 1588	3520	Explorer.EXE	87
PID 3520 wrote to memory of 1588	3520	Explorer.EXE	87
PID 3520 wrote to memory of 1588	3520	Explorer.EXE	87
PID 1588 wrote to memory of 1808	1588	chkdsk.exe	94
PID 1588 wrote to memory of 1808	1588	chkdsk.exe	94
PID 1588 wrote to memory of 1808	1588	chkdsk.exe	94

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3520
- C:\Users\Admin\AppData\Local\Temp\9b250f96c8e383893d2c2f0ae940312d86e6aec8d0e27aadd9087dce67d17c46.exe
  "C:\Users\Admin\AppData\Local\Temp\9b250f96c8e383893d2c2f0ae940312d86e6aec8d0e27aadd9087dce67d17c46.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1336
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\9b250f96c8e383893d2c2f0ae940312d86e6aec8d0e27aadd9087dce67d17c46.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4528
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1588
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1336-11-0x00000000011B0000-0x00000000015B0000-memory.dmp

Filesize
4.0MB

Download
memory/1588-18-0x0000000000AF0000-0x0000000000AFA000-memory.dmp

Filesize
40KB

Download
memory/1588-20-0x0000000000D70000-0x0000000000D9F000-memory.dmp

Filesize
188KB

Download
memory/1588-19-0x0000000000AF0000-0x0000000000AFA000-memory.dmp

Filesize
40KB

Download
memory/3520-21-0x00000000030A0000-0x00000000031FC000-memory.dmp

Filesize
1.4MB

Download
memory/3520-17-0x00000000030A0000-0x00000000031FC000-memory.dmp

Filesize
1.4MB

Download
memory/3520-25-0x0000000008E70000-0x0000000008FEE000-memory.dmp

Filesize
1.5MB

Download
memory/3520-26-0x0000000008E70000-0x0000000008FEE000-memory.dmp

Filesize
1.5MB

Download
memory/3520-28-0x0000000008E70000-0x0000000008FEE000-memory.dmp

Filesize
1.5MB

Download
memory/4528-16-0x00000000013D0000-0x00000000013E5000-memory.dmp

Filesize
84KB

Download
memory/4528-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4528-13-0x0000000001400000-0x000000000174A000-memory.dmp

Filesize
3.3MB

Download
memory/4528-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download