formbook | 65ea5f1ec926c56de31055f613a1bb09df0ba94228a02e5eea4e54f5f12b6bab

General

Target

65ea5f1ec926c56de31055f613a1bb09df0ba94228a02e5eea4e54f5f12b6babN.exe
Size

850KB
MD5

fce27267d3d20b4f8c4900f02085c640
SHA1

d3ff8bf9a8c434c478f33a05d9fb9d5dc58cb2a5
SHA256

65ea5f1ec926c56de31055f613a1bb09df0ba94228a02e5eea4e54f5f12b6bab
SHA512

3ce03e7a9d1da1b67875bdf52867e305bfbef9d39fdabd204cc23486e7bb808e13f97fb7278b9f8d9c25b508f0f0fdff4a995899c101b90725a45b45240b3b90
SSDEEP

12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QLuYa5kPiUA/XrRcHXRvEYtlJ:ffmMv6Ckr7Mny5QLVip9CvEYnJ

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
behavioral2/memory/5104-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/5104-9-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/5104-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1716-18-0x0000000001080000-0x00000000010AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3128 set thread context of 5104	3128	65ea5f1ec926c56de31055f613a1bb09df0ba94228a02e5eea4e54f5f12b6babN.exe	83
PID 5104 set thread context of 3472	5104	svchost.exe	56
PID 5104 set thread context of 3472	5104	svchost.exe	56
PID 1716 set thread context of 3472	1716	cmmon32.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	65ea5f1ec926c56de31055f613a1bb09df0ba94228a02e5eea4e54f5f12b6babN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 50 IoCs

pid	Process
5104	svchost.exe
5104	svchost.exe
5104	svchost.exe
5104	svchost.exe
5104	svchost.exe
5104	svchost.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe
1716	cmmon32.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
3128	65ea5f1ec926c56de31055f613a1bb09df0ba94228a02e5eea4e54f5f12b6babN.exe
5104	svchost.exe
5104	svchost.exe
5104	svchost.exe
5104	svchost.exe
1716	cmmon32.exe
1716	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5104	svchost.exe
Token: SeDebugPrivilege	1716	cmmon32.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3128	65ea5f1ec926c56de31055f613a1bb09df0ba94228a02e5eea4e54f5f12b6babN.exe
3128	65ea5f1ec926c56de31055f613a1bb09df0ba94228a02e5eea4e54f5f12b6babN.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3128	65ea5f1ec926c56de31055f613a1bb09df0ba94228a02e5eea4e54f5f12b6babN.exe
3128	65ea5f1ec926c56de31055f613a1bb09df0ba94228a02e5eea4e54f5f12b6babN.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3128 wrote to memory of 5104	3128	65ea5f1ec926c56de31055f613a1bb09df0ba94228a02e5eea4e54f5f12b6babN.exe	83
PID 3128 wrote to memory of 5104	3128	65ea5f1ec926c56de31055f613a1bb09df0ba94228a02e5eea4e54f5f12b6babN.exe	83
PID 3128 wrote to memory of 5104	3128	65ea5f1ec926c56de31055f613a1bb09df0ba94228a02e5eea4e54f5f12b6babN.exe	83
PID 3128 wrote to memory of 5104	3128	65ea5f1ec926c56de31055f613a1bb09df0ba94228a02e5eea4e54f5f12b6babN.exe	83
PID 3472 wrote to memory of 1716	3472	Explorer.EXE	85
PID 3472 wrote to memory of 1716	3472	Explorer.EXE	85
PID 3472 wrote to memory of 1716	3472	Explorer.EXE	85
PID 1716 wrote to memory of 4968	1716	cmmon32.exe	88
PID 1716 wrote to memory of 4968	1716	cmmon32.exe	88
PID 1716 wrote to memory of 4968	1716	cmmon32.exe	88

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3472
- C:\Users\Admin\AppData\Local\Temp\65ea5f1ec926c56de31055f613a1bb09df0ba94228a02e5eea4e54f5f12b6babN.exe
  "C:\Users\Admin\AppData\Local\Temp\65ea5f1ec926c56de31055f613a1bb09df0ba94228a02e5eea4e54f5f12b6babN.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:3128
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\65ea5f1ec926c56de31055f613a1bb09df0ba94228a02e5eea4e54f5f12b6babN.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:5104
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.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:1716
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4968

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/1716-16-0x00000000003E0000-0x00000000003EC000-memory.dmp

Filesize
48KB

Download
memory/1716-18-0x0000000001080000-0x00000000010AF000-memory.dmp

Filesize
188KB

Download
memory/1716-17-0x00000000003E0000-0x00000000003EC000-memory.dmp

Filesize
48KB

Download
memory/3128-5-0x0000000004060000-0x0000000004064000-memory.dmp

Filesize
16KB

Download
memory/3472-25-0x0000000008850000-0x000000000890C000-memory.dmp

Filesize
752KB

Download
memory/3472-24-0x0000000008850000-0x000000000890C000-memory.dmp

Filesize
752KB

Download
memory/3472-22-0x0000000008850000-0x000000000890C000-memory.dmp

Filesize
752KB

Download
memory/3472-11-0x0000000008630000-0x0000000008766000-memory.dmp

Filesize
1.2MB

Download
memory/3472-15-0x0000000004950000-0x0000000004A41000-memory.dmp

Filesize
964KB

Download
memory/3472-19-0x0000000004950000-0x0000000004A41000-memory.dmp

Filesize
964KB

Download
memory/5104-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5104-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5104-14-0x0000000003740000-0x0000000003754000-memory.dmp

Filesize
80KB

Download
memory/5104-10-0x00000000018D0000-0x00000000018E4000-memory.dmp

Filesize
80KB

Download
memory/5104-7-0x0000000001900000-0x0000000001C4A000-memory.dmp

Filesize
3.3MB

Download
memory/5104-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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