formbook | af4f28ed9e5d8205220c60f42668e6576233f54885c63fcaf43c2315328f45f1

Analysis

max time kernel
149s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-09-2024 11:53

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General

Target

pzUHRx6alP7phBn.exe
Size

571KB
MD5

312f45637432b1efec858ed32bdef462
SHA1

b23e75b94b84b31edaa0793b1228c444254effa2
SHA256

af4f28ed9e5d8205220c60f42668e6576233f54885c63fcaf43c2315328f45f1
SHA512

ca43f80d928b567803aa1597469a5fcc8cae580aa1e8a4c26d6ed248eb8e2414b56c11a23452679d60888d5f31344a0eaa7284168c38b3676475235561de7ad3
SSDEEP

6144:ohYWUks3Gmjob1xiDu8lJ/NY9m6xYcqhB01kDryaKngqBi+/baDlXuS+hwtTuKS6:6cSxiDUQcqTKtBF/kN2mflW+X0cV

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/3296-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3296-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2116-21-0x0000000000510000-0x000000000053F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2624 set thread context of 3296	2624	pzUHRx6alP7phBn.exe	90
PID 3296 set thread context of 3424	3296	pzUHRx6alP7phBn.exe	56
PID 2116 set thread context of 3424	2116	cmmon32.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	pzUHRx6alP7phBn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
2624	pzUHRx6alP7phBn.exe
2624	pzUHRx6alP7phBn.exe
2624	pzUHRx6alP7phBn.exe
2624	pzUHRx6alP7phBn.exe
3296	pzUHRx6alP7phBn.exe
3296	pzUHRx6alP7phBn.exe
3296	pzUHRx6alP7phBn.exe
3296	pzUHRx6alP7phBn.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe
2116	cmmon32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3296	pzUHRx6alP7phBn.exe
3296	pzUHRx6alP7phBn.exe
3296	pzUHRx6alP7phBn.exe
2116	cmmon32.exe
2116	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2624	pzUHRx6alP7phBn.exe
Token: SeDebugPrivilege	3296	pzUHRx6alP7phBn.exe
Token: SeDebugPrivilege	2116	cmmon32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 1840	2624	pzUHRx6alP7phBn.exe	89
PID 2624 wrote to memory of 1840	2624	pzUHRx6alP7phBn.exe	89
PID 2624 wrote to memory of 1840	2624	pzUHRx6alP7phBn.exe	89
PID 2624 wrote to memory of 3296	2624	pzUHRx6alP7phBn.exe	90
PID 2624 wrote to memory of 3296	2624	pzUHRx6alP7phBn.exe	90
PID 2624 wrote to memory of 3296	2624	pzUHRx6alP7phBn.exe	90
PID 2624 wrote to memory of 3296	2624	pzUHRx6alP7phBn.exe	90
PID 2624 wrote to memory of 3296	2624	pzUHRx6alP7phBn.exe	90
PID 2624 wrote to memory of 3296	2624	pzUHRx6alP7phBn.exe	90
PID 3424 wrote to memory of 2116	3424	Explorer.EXE	91
PID 3424 wrote to memory of 2116	3424	Explorer.EXE	91
PID 3424 wrote to memory of 2116	3424	Explorer.EXE	91
PID 2116 wrote to memory of 4144	2116	cmmon32.exe	92
PID 2116 wrote to memory of 4144	2116	cmmon32.exe	92
PID 2116 wrote to memory of 4144	2116	cmmon32.exe	92

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3424
- C:\Users\Admin\AppData\Local\Temp\pzUHRx6alP7phBn.exe
  "C:\Users\Admin\AppData\Local\Temp\pzUHRx6alP7phBn.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2624
- - C:\Users\Admin\AppData\Local\Temp\pzUHRx6alP7phBn.exe
    "C:\Users\Admin\AppData\Local\Temp\pzUHRx6alP7phBn.exe"
    3⤵
    PID:1840
- - C:\Users\Admin\AppData\Local\Temp\pzUHRx6alP7phBn.exe
    "C:\Users\Admin\AppData\Local\Temp\pzUHRx6alP7phBn.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3296
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.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:2116
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\pzUHRx6alP7phBn.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4144

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/2116-19-0x00000000008D0000-0x00000000008DC000-memory.dmp

Filesize
48KB

Download
memory/2116-21-0x0000000000510000-0x000000000053F000-memory.dmp

Filesize
188KB

Download
memory/2116-20-0x00000000008D0000-0x00000000008DC000-memory.dmp

Filesize
48KB

Download
memory/2624-6-0x0000000005260000-0x000000000526E000-memory.dmp

Filesize
56KB

Download
memory/2624-1-0x0000000000610000-0x00000000006A4000-memory.dmp

Filesize
592KB

Download
memory/2624-4-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download
memory/2624-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/2624-7-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/2624-8-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download
memory/2624-9-0x0000000007BF0000-0x0000000007C66000-memory.dmp

Filesize
472KB

Download
memory/2624-10-0x000000000A380000-0x000000000A41C000-memory.dmp

Filesize
624KB

Download
memory/2624-5-0x0000000004F70000-0x0000000004F7A000-memory.dmp

Filesize
40KB

Download
memory/2624-13-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download
memory/2624-2-0x00000000054F0000-0x0000000005A94000-memory.dmp

Filesize
5.6MB

Download
memory/2624-3-0x0000000004FE0000-0x0000000005072000-memory.dmp

Filesize
584KB

Download
memory/3296-17-0x0000000001910000-0x0000000001924000-memory.dmp

Filesize
80KB

Download
memory/3296-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3296-14-0x0000000001940000-0x0000000001C8A000-memory.dmp

Filesize
3.3MB

Download
memory/3296-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3424-18-0x00000000084E0000-0x00000000085A7000-memory.dmp

Filesize
796KB

Download
memory/3424-22-0x00000000084E0000-0x00000000085A7000-memory.dmp

Filesize
796KB

Download
memory/3424-26-0x00000000086E0000-0x00000000087E5000-memory.dmp

Filesize
1.0MB

Download
memory/3424-28-0x00000000086E0000-0x00000000087E5000-memory.dmp

Filesize
1.0MB

Download
memory/3424-29-0x00000000086E0000-0x00000000087E5000-memory.dmp

Filesize
1.0MB

Download