formbook | 2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c

General

Target

2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe
Size

1.1MB
MD5

d793f4c36efc6d1830d698bab09b6845
SHA1

a81f6231571c4c63bf68e7829ab4abd4e3d0f41b
SHA256

2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c
SHA512

330ca2821d1c0fbc535dfc2f8bf347f0c884d0f3c55b743c5fba91dee4c257b571a8883081283eafff6314283d7935e6a88d8a98f5b488d442650055520b758a
SSDEEP

24576:/tb20pkaCqT5TBWgNQ7aV49Wi6IksKhhr6A:8Vg5tQ7aV2Wi/w5

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
behavioral1/memory/2812-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2812-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2992-16-0x00000000001A0000-0x00000000001CF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2148 set thread context of 2812	2148	2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe	31
PID 2812 set thread context of 1256	2812	svchost.exe	21
PID 2992 set thread context of 1256	2992	mstsc.exe	21

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	2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2812	svchost.exe
2812	svchost.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe
2992	mstsc.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2148	2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2992	mstsc.exe
2992	mstsc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2812	svchost.exe
Token: SeDebugPrivilege	2992	mstsc.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
2148	2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe
2148	2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2148	2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe
2148	2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2812	2148	2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe	31
PID 2148 wrote to memory of 2812	2148	2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe	31
PID 2148 wrote to memory of 2812	2148	2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe	31
PID 2148 wrote to memory of 2812	2148	2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe	31
PID 2148 wrote to memory of 2812	2148	2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe	31
PID 1256 wrote to memory of 2992	1256	Explorer.EXE	32
PID 1256 wrote to memory of 2992	1256	Explorer.EXE	32
PID 1256 wrote to memory of 2992	1256	Explorer.EXE	32
PID 1256 wrote to memory of 2992	1256	Explorer.EXE	32
PID 2992 wrote to memory of 2864	2992	mstsc.exe	33
PID 2992 wrote to memory of 2864	2992	mstsc.exe	33
PID 2992 wrote to memory of 2864	2992	mstsc.exe	33
PID 2992 wrote to memory of 2864	2992	mstsc.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1256
- C:\Users\Admin\AppData\Local\Temp\2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe
  "C:\Users\Admin\AppData\Local\Temp\2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2148
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2812
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.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:2992
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1256-22-0x0000000006740000-0x00000000068C1000-memory.dmp

Filesize
1.5MB

Download
memory/1256-12-0x0000000006380000-0x000000000649E000-memory.dmp

Filesize
1.1MB

Download
memory/1256-25-0x0000000006740000-0x00000000068C1000-memory.dmp

Filesize
1.5MB

Download
memory/1256-15-0x0000000006380000-0x000000000649E000-memory.dmp

Filesize
1.1MB

Download
memory/1256-23-0x0000000006740000-0x00000000068C1000-memory.dmp

Filesize
1.5MB

Download
memory/2148-6-0x0000000000AD0000-0x0000000000ED0000-memory.dmp

Filesize
4.0MB

Download
memory/2812-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2812-8-0x0000000000A40000-0x0000000000D43000-memory.dmp

Filesize
3.0MB

Download
memory/2812-11-0x0000000000140000-0x0000000000154000-memory.dmp

Filesize
80KB

Download
memory/2812-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2992-13-0x0000000000090000-0x0000000000194000-memory.dmp

Filesize
1.0MB

Download
memory/2992-16-0x00000000001A0000-0x00000000001CF000-memory.dmp

Filesize
188KB

Download
memory/2992-14-0x0000000000090000-0x0000000000194000-memory.dmp

Filesize
1.0MB

Download

Analysis

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