formbook | c3bcad079783994c120fac56b70a9c97eb75aa54418c3b68fd1bba0d01455d67

Analysis

max time kernel
149s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12-09-2024 04:58

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General

Target

PFmJ9j7Ndg2NERo.exe
Size

644KB
MD5

82f8c097337d6303b9b600515237006b
SHA1

91baaee26748c313f01940a6da9248b05b52187c
SHA256

3ba65c5187bfaf51f020ce9e3f36fe8b4effd7b91c5f2b1ff46b245580ade156
SHA512

7da9392c1a6db5ad0728a566fb1cd7cb3aef38a8e496f7d9931e02ce0ea86e8cbc303a402aa4cf10d667e23be3be303fadf3cbe9ad068530c7b71af88e446f04
SSDEEP

12288:3DzJpZqhzZQ2+P5SNJFS5lWW9jkWsTSuNt0/PIViwt5XHU:PdqhzaTyJFi9j/UN+/Psiw5

Score

10^/10

formbook b31a discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b31a

Decoy

enjamin-paaac.buzz

mail-marketing-40950.bond

pusems28-post.cyou

hindo.top

ruck-company-be.today

asinos-deutschland.net

ewancash.boats

etdopovo.casino

rcher-saaac.buzz

871166.vip

manuel.app

g3yqo.shop

-9way.xyz

qawgytfexe.bond

iefi6834.vip

ental-health-35901.bond

idat-merkez18.top

rojectleadzone.website

lirudolph.top

migloballlc.online

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/1444-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1444-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2820-21-0x00000000012F0000-0x000000000131F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4428 set thread context of 1444	4428	PFmJ9j7Ndg2NERo.exe	101
PID 1444 set thread context of 3440	1444	PFmJ9j7Ndg2NERo.exe	56
PID 2820 set thread context of 3440	2820	control.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	PFmJ9j7Ndg2NERo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	control.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4428	PFmJ9j7Ndg2NERo.exe
4428	PFmJ9j7Ndg2NERo.exe
4428	PFmJ9j7Ndg2NERo.exe
1444	PFmJ9j7Ndg2NERo.exe
1444	PFmJ9j7Ndg2NERo.exe
1444	PFmJ9j7Ndg2NERo.exe
1444	PFmJ9j7Ndg2NERo.exe
1444	PFmJ9j7Ndg2NERo.exe
1444	PFmJ9j7Ndg2NERo.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe
2820	control.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1444	PFmJ9j7Ndg2NERo.exe
1444	PFmJ9j7Ndg2NERo.exe
1444	PFmJ9j7Ndg2NERo.exe
2820	control.exe
2820	control.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4428	PFmJ9j7Ndg2NERo.exe
Token: SeDebugPrivilege	1444	PFmJ9j7Ndg2NERo.exe
Token: SeDebugPrivilege	2820	control.exe
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3440	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4428 wrote to memory of 1444	4428	PFmJ9j7Ndg2NERo.exe	101
PID 4428 wrote to memory of 1444	4428	PFmJ9j7Ndg2NERo.exe	101
PID 4428 wrote to memory of 1444	4428	PFmJ9j7Ndg2NERo.exe	101
PID 4428 wrote to memory of 1444	4428	PFmJ9j7Ndg2NERo.exe	101
PID 4428 wrote to memory of 1444	4428	PFmJ9j7Ndg2NERo.exe	101
PID 4428 wrote to memory of 1444	4428	PFmJ9j7Ndg2NERo.exe	101
PID 3440 wrote to memory of 2820	3440	Explorer.EXE	102
PID 3440 wrote to memory of 2820	3440	Explorer.EXE	102
PID 3440 wrote to memory of 2820	3440	Explorer.EXE	102
PID 2820 wrote to memory of 1936	2820	control.exe	103
PID 2820 wrote to memory of 1936	2820	control.exe	103
PID 2820 wrote to memory of 1936	2820	control.exe	103

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3440
- C:\Users\Admin\AppData\Local\Temp\PFmJ9j7Ndg2NERo.exe
  "C:\Users\Admin\AppData\Local\Temp\PFmJ9j7Ndg2NERo.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4428
- - C:\Users\Admin\AppData\Local\Temp\PFmJ9j7Ndg2NERo.exe
    "C:\Users\Admin\AppData\Local\Temp\PFmJ9j7Ndg2NERo.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1444
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\SysWOW64\control.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:2820
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\PFmJ9j7Ndg2NERo.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1936

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4264,i,10065386245627775856,6567048529106473151,262144 --variations-seed-version --mojo-platform-channel-handle=4156 /prefetch:8
1⤵
PID:3048

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/1444-14-0x0000000001700000-0x0000000001A4A000-memory.dmp

Filesize
3.3MB

Download
memory/1444-17-0x0000000001270000-0x0000000001284000-memory.dmp

Filesize
80KB

Download
memory/1444-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1444-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2820-21-0x00000000012F0000-0x000000000131F000-memory.dmp

Filesize
188KB

Download
memory/2820-20-0x00000000007C0000-0x00000000007E7000-memory.dmp

Filesize
156KB

Download
memory/2820-19-0x00000000007C0000-0x00000000007E7000-memory.dmp

Filesize
156KB

Download
memory/3440-29-0x00000000080A0000-0x0000000008146000-memory.dmp

Filesize
664KB

Download
memory/3440-27-0x00000000080A0000-0x0000000008146000-memory.dmp

Filesize
664KB

Download
memory/3440-26-0x00000000080A0000-0x0000000008146000-memory.dmp

Filesize
664KB

Download
memory/3440-22-0x0000000007FE0000-0x000000000809F000-memory.dmp

Filesize
764KB

Download
memory/3440-18-0x0000000007FE0000-0x000000000809F000-memory.dmp

Filesize
764KB

Download
memory/4428-6-0x00000000058A0000-0x00000000058B0000-memory.dmp

Filesize
64KB

Download
memory/4428-13-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/4428-10-0x0000000009240000-0x00000000092DC000-memory.dmp

Filesize
624KB

Download
memory/4428-9-0x0000000006740000-0x00000000067B6000-memory.dmp

Filesize
472KB

Download
memory/4428-8-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/4428-7-0x0000000074A2E000-0x0000000074A2F000-memory.dmp

Filesize
4KB

Download
memory/4428-0-0x0000000074A2E000-0x0000000074A2F000-memory.dmp

Filesize
4KB

Download
memory/4428-5-0x00000000052D0000-0x00000000052DA000-memory.dmp

Filesize
40KB

Download
memory/4428-4-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/4428-3-0x0000000005320000-0x00000000053B2000-memory.dmp

Filesize
584KB

Download
memory/4428-2-0x00000000058D0000-0x0000000005E74000-memory.dmp

Filesize
5.6MB

Download
memory/4428-1-0x0000000000970000-0x0000000000A16000-memory.dmp

Filesize
664KB

Download