formbook | b30a9a16ee641129d2bbab1223af27057acd46bb4d6258bf201e2edcb53cc91a

Analysis

max time kernel
148s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-12-2024 12:42

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General

Target

b30a9a16ee641129d2bbab1223af27057acd46bb4d6258bf201e2edcb53cc91a.exe
Size

836KB
MD5

a423cf23dc14974951e3c1cb5a8b1f04
SHA1

182133f4b0991a2501eaaaf0799abe4adfb18f08
SHA256

b30a9a16ee641129d2bbab1223af27057acd46bb4d6258bf201e2edcb53cc91a
SHA512

866ab4e1c738cb18a165d5f16340540896f5f29d86f94eee9833f1c78e24128cd134974140e1315d8fe1857114445929684b8be72d2ff5c756b19a58075e2348
SSDEEP

12288:ehkDgouVA2nxKkorvdRgQriDwOIxmxiZnYQE7PJcE4aChZ0DOtlVymK2AibTX:uRmJkcoQricOIQxiZY1iaChZORkAWTX

Score

10^/10

formbook ud04 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ud04

Decoy

oum7.pro

ovonordisk.online

akrzus.pro

tendmtedcpsa.site

mm.foo

animevyhgsft29817.click

digdxxb.info

1130.vip

uy-now-pay-later-74776.bond

ybzert.online

edcn.link

rime-flow-bay.xyz

nd777id.beauty

otoyama.shop

lranchomx.xyz

unluoren.top

uglesang-troms.net

udulbet88.net

raquewear.shop

ijanarko.net

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/4880-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4880-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/540-20-0x0000000000670000-0x000000000069F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2456 set thread context of 4880	2456	b30a9a16ee641129d2bbab1223af27057acd46bb4d6258bf201e2edcb53cc91a.exe	82
PID 4880 set thread context of 3432	4880	svchost.exe	56
PID 540 set thread context of 3432	540	help.exe	56

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	b30a9a16ee641129d2bbab1223af27057acd46bb4d6258bf201e2edcb53cc91a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	help.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4880	svchost.exe
4880	svchost.exe
4880	svchost.exe
4880	svchost.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe
540	help.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2456	b30a9a16ee641129d2bbab1223af27057acd46bb4d6258bf201e2edcb53cc91a.exe
4880	svchost.exe
4880	svchost.exe
4880	svchost.exe
540	help.exe
540	help.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4880	svchost.exe
Token: SeDebugPrivilege	540	help.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 4880	2456	b30a9a16ee641129d2bbab1223af27057acd46bb4d6258bf201e2edcb53cc91a.exe	82
PID 2456 wrote to memory of 4880	2456	b30a9a16ee641129d2bbab1223af27057acd46bb4d6258bf201e2edcb53cc91a.exe	82
PID 2456 wrote to memory of 4880	2456	b30a9a16ee641129d2bbab1223af27057acd46bb4d6258bf201e2edcb53cc91a.exe	82
PID 2456 wrote to memory of 4880	2456	b30a9a16ee641129d2bbab1223af27057acd46bb4d6258bf201e2edcb53cc91a.exe	82
PID 3432 wrote to memory of 540	3432	Explorer.EXE	83
PID 3432 wrote to memory of 540	3432	Explorer.EXE	83
PID 3432 wrote to memory of 540	3432	Explorer.EXE	83
PID 540 wrote to memory of 4200	540	help.exe	84
PID 540 wrote to memory of 4200	540	help.exe	84
PID 540 wrote to memory of 4200	540	help.exe	84

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3432
- C:\Users\Admin\AppData\Local\Temp\b30a9a16ee641129d2bbab1223af27057acd46bb4d6258bf201e2edcb53cc91a.exe
  "C:\Users\Admin\AppData\Local\Temp\b30a9a16ee641129d2bbab1223af27057acd46bb4d6258bf201e2edcb53cc91a.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2456
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\b30a9a16ee641129d2bbab1223af27057acd46bb4d6258bf201e2edcb53cc91a.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4880
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.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:540
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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/540-19-0x0000000000BD0000-0x0000000000BD7000-memory.dmp

Filesize
28KB

Download
memory/540-18-0x0000000000BD0000-0x0000000000BD7000-memory.dmp

Filesize
28KB

Download
memory/540-20-0x0000000000670000-0x000000000069F000-memory.dmp

Filesize
188KB

Download
memory/2456-11-0x0000000004080000-0x0000000004280000-memory.dmp

Filesize
2.0MB

Download
memory/3432-17-0x0000000002ED0000-0x0000000002F8B000-memory.dmp

Filesize
748KB

Download
memory/3432-24-0x0000000008B00000-0x0000000008C91000-memory.dmp

Filesize
1.6MB

Download
memory/3432-25-0x0000000008B00000-0x0000000008C91000-memory.dmp

Filesize
1.6MB

Download
memory/3432-27-0x0000000008B00000-0x0000000008C91000-memory.dmp

Filesize
1.6MB

Download
memory/4880-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4880-13-0x0000000001400000-0x000000000174A000-memory.dmp

Filesize
3.3MB

Download
memory/4880-16-0x0000000001910000-0x0000000001924000-memory.dmp

Filesize
80KB

Download
memory/4880-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download