formbook | 414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79

General

Target

414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe
Size

844KB
MD5

619e65f0f0adb123cdd209ee39a569f7
SHA1

f7832a4580bfb0a1be700def757201dd7baea66e
SHA256

414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79
SHA512

422b5e47257ad8774bae8d5d35ea01d9958cd5320269b71307b55bcb7bb3d67f51cd84fe9379c73c0a418726f5b86061568f83c97fe7773c555771354e43952d
SSDEEP

12288:ehkDgouVA2nxKkorvdRgQriDwOIxmxiZnYQE7PJcE4aCqcECbBsRiWVPeXFw:uRmJkcoQricOIQxiZY1iaCqcd6RNwFw

Score

10^/10

formbook cl21 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cl21

Decoy

0001.shop

earch-parttimejobs.today

are888.top

akanhaunthipped.shop

othing-heyu.xyz

cadvirsor.net

nclanalae.shop

lectric-cars-mexico.today

oxj-question.xyz

ersonalloanoffers.today

ersonalloans-fo54-fo37.click

verybody-ewfx.xyz

ercuremontauban.media

azilimdunyam.net

airs-clinicato.today

wiftsscend.click

ertainly-jbws.xyz

8xeng.app

damekadmitageable.cfd

ollapsedec.shop

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/2816-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2816-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2816-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2652 set thread context of 2816	2652	414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe	30
PID 2816 set thread context of 1228	2816	svchost.exe	21
PID 2816 set thread context of 1228	2816	svchost.exe	21

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2728	2836	WerFault.exe	31

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	414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2816	svchost.exe
2816	svchost.exe
2816	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2652	414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe
2816	svchost.exe
2816	svchost.exe
2816	svchost.exe
2816	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2816	svchost.exe
Token: SeShutdownPrivilege	1228	Explorer.EXE
Token: SeShutdownPrivilege	1228	Explorer.EXE
Token: SeShutdownPrivilege	1228	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 2816	2652	414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe	30
PID 2652 wrote to memory of 2816	2652	414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe	30
PID 2652 wrote to memory of 2816	2652	414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe	30
PID 2652 wrote to memory of 2816	2652	414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe	30
PID 2652 wrote to memory of 2816	2652	414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe	30
PID 2816 wrote to memory of 2836	2816	svchost.exe	31
PID 2816 wrote to memory of 2836	2816	svchost.exe	31
PID 2816 wrote to memory of 2836	2816	svchost.exe	31
PID 2816 wrote to memory of 2836	2816	svchost.exe	31
PID 2816 wrote to memory of 2836	2816	svchost.exe	31
PID 2816 wrote to memory of 2836	2816	svchost.exe	31
PID 2816 wrote to memory of 2836	2816	svchost.exe	31
PID 2836 wrote to memory of 2728	2836	msiexec.exe	32
PID 2836 wrote to memory of 2728	2836	msiexec.exe	32
PID 2836 wrote to memory of 2728	2836	msiexec.exe	32
PID 2836 wrote to memory of 2728	2836	msiexec.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1228
- C:\Users\Admin\AppData\Local\Temp\414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe
  "C:\Users\Admin\AppData\Local\Temp\414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2652
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.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:2816
  - - C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\SysWOW64\msiexec.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2836
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 268
        5⤵
        Program crash
        
        PID:2728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/1228-17-0x0000000004F50000-0x00000000050BD000-memory.dmp

Filesize
1.4MB

Download
memory/1228-29-0x00000000054A0000-0x000000000556A000-memory.dmp

Filesize
808KB

Download
memory/1228-21-0x0000000004F50000-0x00000000050BD000-memory.dmp

Filesize
1.4MB

Download
memory/1228-22-0x00000000054A0000-0x000000000556A000-memory.dmp

Filesize
808KB

Download
memory/2652-11-0x00000000002A0000-0x00000000003A0000-memory.dmp

Filesize
1024KB

Download
memory/2816-20-0x00000000002A0000-0x00000000002B4000-memory.dmp

Filesize
80KB

Download
memory/2816-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2816-16-0x00000000001D0000-0x00000000001E4000-memory.dmp

Filesize
80KB

Download
memory/2816-13-0x0000000000820000-0x0000000000B23000-memory.dmp

Filesize
3.0MB

Download
memory/2816-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2816-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2836-23-0x0000000000AA0000-0x0000000000AB4000-memory.dmp

Filesize
80KB

Download
memory/2836-24-0x0000000000AA0000-0x0000000000AB4000-memory.dmp

Filesize
80KB

Download
memory/2836-26-0x0000000000AA0000-0x0000000000AB4000-memory.dmp

Filesize
80KB

Download

Analysis

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