formbook | e76b01986da629a4ba0be457f19e11dd9a5efe84a76694961c0851c56e2ca51d

General

Target

Invoice & Packing.exe
Size

1.1MB
MD5

290979740e29c4b28b20979ca70ee62e
SHA1

56c8071abcc945b4dd950d2b3e17aa12dfb40292
SHA256

e9357223834b955c93bbd3e8f48563670a44161f92a15717774f4df9b825f0b6
SHA512

74736ad0df48f39b5d7cf3e6bc0862e0a22e73ef6fee85f4ce4a7fcc5ae0eb0e7e30111a302f806fd0227146c5e54d1cd48021f23cd4367df77e7924195deedd
SSDEEP

12288:+tb20Qc3lT7af41ePBRYuQLKpqeUhbTv5OFgNuPPpHSgaITu+DexWGESM26A:+tb20pkaCqT5TBWgNQ7aQxCHEP26A

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 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2368-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2368-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2368-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2584-23-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2100 set thread context of 2368	2100	Invoice & Packing.exe	30
PID 2368 set thread context of 1176	2368	svchost.exe	21
PID 2368 set thread context of 1176	2368	svchost.exe	21
PID 2584 set thread context of 1176	2584	control.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Invoice & Packing.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	control.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2368	svchost.exe
2368	svchost.exe
2368	svchost.exe
2584	control.exe
2584	control.exe
2584	control.exe
2584	control.exe
2584	control.exe
2584	control.exe
2584	control.exe
2584	control.exe
2584	control.exe
2584	control.exe
2584	control.exe
2584	control.exe
2584	control.exe
2584	control.exe
2584	control.exe
2584	control.exe
2584	control.exe
2584	control.exe
2584	control.exe
2584	control.exe
2584	control.exe
2584	control.exe
2584	control.exe
2584	control.exe
2584	control.exe
2584	control.exe
2584	control.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2100	Invoice & Packing.exe
2368	svchost.exe
2368	svchost.exe
2368	svchost.exe
2368	svchost.exe
2584	control.exe
2584	control.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2368	svchost.exe
Token: SeDebugPrivilege	2584	control.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
2100	Invoice & Packing.exe
2100	Invoice & Packing.exe
1176	Explorer.EXE
1176	Explorer.EXE
1176	Explorer.EXE
1176	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2100	Invoice & Packing.exe
2100	Invoice & Packing.exe
1176	Explorer.EXE
1176	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2368	2100	Invoice & Packing.exe	30
PID 2100 wrote to memory of 2368	2100	Invoice & Packing.exe	30
PID 2100 wrote to memory of 2368	2100	Invoice & Packing.exe	30
PID 2100 wrote to memory of 2368	2100	Invoice & Packing.exe	30
PID 2100 wrote to memory of 2368	2100	Invoice & Packing.exe	30
PID 2368 wrote to memory of 2584	2368	svchost.exe	32
PID 2368 wrote to memory of 2584	2368	svchost.exe	32
PID 2368 wrote to memory of 2584	2368	svchost.exe	32
PID 2368 wrote to memory of 2584	2368	svchost.exe	32
PID 2584 wrote to memory of 2832	2584	control.exe	33
PID 2584 wrote to memory of 2832	2584	control.exe	33
PID 2584 wrote to memory of 2832	2584	control.exe	33
PID 2584 wrote to memory of 2832	2584	control.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1176
- C:\Users\Admin\AppData\Local\Temp\Invoice & Packing.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice & Packing.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:2100
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice & Packing.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:2368
  - - C:\Windows\SysWOW64\control.exe
      "C:\Windows\SysWOW64\control.exe"
      4⤵
      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:2584
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\SysWOW64\svchost.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2832

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/1176-22-0x0000000004EA0000-0x0000000004F6D000-memory.dmp

Filesize
820KB

Download
memory/1176-31-0x0000000005150000-0x000000000529A000-memory.dmp

Filesize
1.3MB

Download
memory/1176-29-0x0000000005150000-0x000000000529A000-memory.dmp

Filesize
1.3MB

Download
memory/1176-28-0x0000000005150000-0x000000000529A000-memory.dmp

Filesize
1.3MB

Download
memory/1176-10-0x0000000003120000-0x0000000003220000-memory.dmp

Filesize
1024KB

Download
memory/1176-13-0x0000000007AB0000-0x0000000007C23000-memory.dmp

Filesize
1.4MB

Download
memory/1176-19-0x0000000004EA0000-0x0000000004F6D000-memory.dmp

Filesize
820KB

Download
memory/1176-18-0x0000000007AB0000-0x0000000007C23000-memory.dmp

Filesize
1.4MB

Download
memory/2100-6-0x0000000000AF0000-0x0000000000EF0000-memory.dmp

Filesize
4.0MB

Download
memory/2100-14-0x0000000000AF0000-0x0000000000EF0000-memory.dmp

Filesize
4.0MB

Download
memory/2368-12-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/2368-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2368-17-0x0000000000280000-0x0000000000294000-memory.dmp

Filesize
80KB

Download
memory/2368-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2368-8-0x0000000000A00000-0x0000000000D03000-memory.dmp

Filesize
3.0MB

Download
memory/2368-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2584-21-0x0000000000CA0000-0x0000000000CBF000-memory.dmp

Filesize
124KB

Download
memory/2584-20-0x0000000000CA0000-0x0000000000CBF000-memory.dmp

Filesize
124KB

Download
memory/2584-23-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download

Analysis

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