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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/352-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/352-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/352-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1744-22-0x0000000000100000-0x000000000012F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

Processes:

2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exesvchost.exechkdsk.exe

description	pid	Process	procid_target
PID 1656 set thread context of 352	1656	2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe	28
PID 352 set thread context of 1192	352	svchost.exe	21
PID 352 set thread context of 1192	352	svchost.exe	21
PID 1744 set thread context of 1192	1744	chkdsk.exe	21

System Location Discovery: System Language Discovery 1 TTPs 4 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

Processes:

2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exesvchost.exechkdsk.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

chkdsk.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

svchost.exechkdsk.exe

pid	Process
352	svchost.exe
352	svchost.exe
352	svchost.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe
1744	chkdsk.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exesvchost.exechkdsk.exe

pid	Process
1656	2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe
352	svchost.exe
352	svchost.exe
352	svchost.exe
352	svchost.exe
1744	chkdsk.exe
1744	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

svchost.exechkdsk.exe

description	pid	Process
Token: SeDebugPrivilege	352	svchost.exe
Token: SeDebugPrivilege	1744	chkdsk.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exeExplorer.EXE

pid	Process
1656	2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe
1656	2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe

pid	Process
1656	2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe
1656	2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exesvchost.exechkdsk.exe

description	pid	Process	procid_target
PID 1656 wrote to memory of 352	1656	2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe	28
PID 1656 wrote to memory of 352	1656	2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe	28
PID 1656 wrote to memory of 352	1656	2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe	28
PID 1656 wrote to memory of 352	1656	2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe	28
PID 1656 wrote to memory of 352	1656	2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe	28
PID 352 wrote to memory of 1744	352	svchost.exe	29
PID 352 wrote to memory of 1744	352	svchost.exe	29
PID 352 wrote to memory of 1744	352	svchost.exe	29
PID 352 wrote to memory of 1744	352	svchost.exe	29
PID 1744 wrote to memory of 2440	1744	chkdsk.exe	30
PID 1744 wrote to memory of 2440	1744	chkdsk.exe	30
PID 1744 wrote to memory of 2440	1744	chkdsk.exe	30
PID 1744 wrote to memory of 2440	1744	chkdsk.exe	30

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
PID:1192
- 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:1656
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\2e3fefb790f0aba5b0e8162081c037ed5035c2722fd318d928d94cfee57d110c.exe"
    3⤵
    - 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:352
  - - C:\Windows\SysWOW64\chkdsk.exe
      "C:\Windows\SysWOW64\chkdsk.exe"
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Enumerates system info in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1744
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\SysWOW64\svchost.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

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/352-16-0x0000000000170000-0x0000000000184000-memory.dmp

Filesize
80KB

Download
memory/352-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/352-8-0x0000000000950000-0x0000000000C53000-memory.dmp

Filesize
3.0MB

Download
memory/352-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/352-11-0x00000000000E0000-0x00000000000F4000-memory.dmp

Filesize
80KB

Download
memory/352-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1192-17-0x0000000006BB0000-0x0000000006D48000-memory.dmp

Filesize
1.6MB

Download
memory/1192-18-0x0000000007690000-0x0000000007830000-memory.dmp

Filesize
1.6MB

Download
memory/1192-13-0x0000000006BB0000-0x0000000006D48000-memory.dmp

Filesize
1.6MB

Download
memory/1192-12-0x00000000031A0000-0x00000000032A0000-memory.dmp

Filesize
1024KB

Download
memory/1192-21-0x0000000007690000-0x0000000007830000-memory.dmp

Filesize
1.6MB

Download
memory/1192-27-0x0000000004EE0000-0x000000000502F000-memory.dmp

Filesize
1.3MB

Download
memory/1192-28-0x0000000004EE0000-0x000000000502F000-memory.dmp

Filesize
1.3MB

Download
memory/1192-30-0x0000000004EE0000-0x000000000502F000-memory.dmp

Filesize
1.3MB

Download
memory/1656-6-0x0000000000850000-0x0000000000C50000-memory.dmp

Filesize
4.0MB

Download
memory/1744-19-0x0000000000890000-0x0000000000897000-memory.dmp

Filesize
28KB

Download
memory/1744-20-0x0000000000890000-0x0000000000897000-memory.dmp

Filesize
28KB

Download
memory/1744-22-0x0000000000100000-0x000000000012F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads