formbook | aa4fde12b9f19c7e808afcac87317972c6f6fec9b3a53e0bd80d2a02e7aed01f

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 19:31

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General

Target

zYqJmECKmhz499J.exe
Size

1.1MB
MD5

54a60fa86dd57e95fc68c25d2d2949a7
SHA1

cac7af8b3cdeb3bc61593311f3a6851c82d01a69
SHA256

b2bd364a32ee75888d9343bfc3a16b9eb58151fd94b4f3c38890f6ba2256b2e8
SHA512

b95cfb7209f92084d0a70126e123d009f5b170a5526eeefcebeae136779952a02a90e4f799b18759ab21fd9c4277234cbba24f0d81b23d183dddebe49d61a692
SSDEEP

12288:DJPgbYHTFyemCjEpTx0pchoZ2XjpXV8ME03wBwMfkc14c1L/UxDbX6U55uQIjLmf:XzFyEE2choONl8z0ATfkcacJYjAo

Score

10^/10

formbook uegp discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

uegp

Decoy

firstregaljewellers.com

highgateshop.com

sorialab4.online

kurzneck.com

zonetechservices.com

akibul.net

khukhuanphongkham.com

lovelessneilsen.online

scholarlyresearch-guide.net

jagodda.com

comitivatratando.com

ynqjnx.com

rodarle.xyz

heroesjourneynft.com

weltreise.xyz

enstao.com

istilllmail.com

malayaoudh.com

xsdgia.com

palisadeslodging.com

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

resource	yara_rule
behavioral2/memory/3820-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3820-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3296-24-0x0000000000790000-0x00000000007BF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3204 set thread context of 3820	3204	zYqJmECKmhz499J.exe	90
PID 3820 set thread context of 3540	3820	zYqJmECKmhz499J.exe	56
PID 3296 set thread context of 3540	3296	rundll32.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	zYqJmECKmhz499J.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 54 IoCs

pid	Process
3204	zYqJmECKmhz499J.exe
3204	zYqJmECKmhz499J.exe
3820	zYqJmECKmhz499J.exe
3820	zYqJmECKmhz499J.exe
3820	zYqJmECKmhz499J.exe
3820	zYqJmECKmhz499J.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe
3296	rundll32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3820	zYqJmECKmhz499J.exe
3820	zYqJmECKmhz499J.exe
3820	zYqJmECKmhz499J.exe
3296	rundll32.exe
3296	rundll32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3204	zYqJmECKmhz499J.exe
Token: SeDebugPrivilege	3820	zYqJmECKmhz499J.exe
Token: SeDebugPrivilege	3296	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3204 wrote to memory of 1196	3204	zYqJmECKmhz499J.exe	89
PID 3204 wrote to memory of 1196	3204	zYqJmECKmhz499J.exe	89
PID 3204 wrote to memory of 1196	3204	zYqJmECKmhz499J.exe	89
PID 3204 wrote to memory of 3820	3204	zYqJmECKmhz499J.exe	90
PID 3204 wrote to memory of 3820	3204	zYqJmECKmhz499J.exe	90
PID 3204 wrote to memory of 3820	3204	zYqJmECKmhz499J.exe	90
PID 3204 wrote to memory of 3820	3204	zYqJmECKmhz499J.exe	90
PID 3204 wrote to memory of 3820	3204	zYqJmECKmhz499J.exe	90
PID 3204 wrote to memory of 3820	3204	zYqJmECKmhz499J.exe	90
PID 3540 wrote to memory of 3296	3540	Explorer.EXE	91
PID 3540 wrote to memory of 3296	3540	Explorer.EXE	91
PID 3540 wrote to memory of 3296	3540	Explorer.EXE	91
PID 3296 wrote to memory of 5000	3296	rundll32.exe	93
PID 3296 wrote to memory of 5000	3296	rundll32.exe	93
PID 3296 wrote to memory of 5000	3296	rundll32.exe	93

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3540
- C:\Users\Admin\AppData\Local\Temp\zYqJmECKmhz499J.exe
  "C:\Users\Admin\AppData\Local\Temp\zYqJmECKmhz499J.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3204
- - C:\Users\Admin\AppData\Local\Temp\zYqJmECKmhz499J.exe
    "{path}"
    3⤵
    PID:1196
- - C:\Users\Admin\AppData\Local\Temp\zYqJmECKmhz499J.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3820
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.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:3296
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\zYqJmECKmhz499J.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5000

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/3204-12-0x0000000008C10000-0x0000000008C44000-memory.dmp

Filesize
208KB

Download
memory/3204-2-0x0000000004C20000-0x0000000004CBC000-memory.dmp

Filesize
624KB

Download
memory/3204-0-0x0000000074FFE000-0x0000000074FFF000-memory.dmp

Filesize
4KB

Download
memory/3204-15-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/3204-4-0x0000000004D60000-0x0000000004DF2000-memory.dmp

Filesize
584KB

Download
memory/3204-5-0x0000000004CE0000-0x0000000004CEA000-memory.dmp

Filesize
40KB

Download
memory/3204-6-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/3204-7-0x0000000004F60000-0x0000000004FB6000-memory.dmp

Filesize
344KB

Download
memory/3204-8-0x0000000006470000-0x000000000647A000-memory.dmp

Filesize
40KB

Download
memory/3204-9-0x0000000074FFE000-0x0000000074FFF000-memory.dmp

Filesize
4KB

Download
memory/3204-10-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/3204-11-0x0000000006730000-0x00000000067B8000-memory.dmp

Filesize
544KB

Download
memory/3204-3-0x0000000005270000-0x0000000005814000-memory.dmp

Filesize
5.6MB

Download
memory/3204-1-0x0000000000260000-0x0000000000388000-memory.dmp

Filesize
1.2MB

Download
memory/3296-21-0x0000000000720000-0x0000000000734000-memory.dmp

Filesize
80KB

Download
memory/3296-23-0x0000000000720000-0x0000000000734000-memory.dmp

Filesize
80KB

Download
memory/3296-24-0x0000000000790000-0x00000000007BF000-memory.dmp

Filesize
188KB

Download
memory/3540-32-0x0000000008FF0000-0x0000000009159000-memory.dmp

Filesize
1.4MB

Download
memory/3540-20-0x0000000003440000-0x00000000034FF000-memory.dmp

Filesize
764KB

Download
memory/3540-25-0x0000000003440000-0x00000000034FF000-memory.dmp

Filesize
764KB

Download
memory/3540-29-0x0000000008FF0000-0x0000000009159000-memory.dmp

Filesize
1.4MB

Download
memory/3540-30-0x0000000008FF0000-0x0000000009159000-memory.dmp

Filesize
1.4MB

Download
memory/3820-16-0x00000000010B0000-0x00000000013FA000-memory.dmp

Filesize
3.3MB

Download
memory/3820-19-0x0000000000FA0000-0x0000000000FB5000-memory.dmp

Filesize
84KB

Download
memory/3820-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3820-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download