formbook | ca0192abbb6d57a7a2070ad76058e4561f2dcc8255f5550cac6a23043f53c589

General

Target

ca0192abbb6d57a7a2070ad76058e4561f2dcc8255f5550cac6a23043f53c589.exe
Size

850KB
MD5

86e7c71cfb4327a18d5cce9c445bd96a
SHA1

1685c4ebcefd6beb0539b941a51c473ca99f3ca5
SHA256

ca0192abbb6d57a7a2070ad76058e4561f2dcc8255f5550cac6a23043f53c589
SHA512

6e931adfc7d82b951c6bfea2acd442da7b904c1adb64af9519080f6b92f2ce5b8ffa962bbd61958a6015ffa5386a861de5f2b4470a82eaa206305192fb18b5ea
SSDEEP

12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QLuYa5kPiUA/XrRcHXRvEYtlD:ffmMv6Ckr7Mny5QLVip9CvEYnD

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
behavioral2/memory/4152-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4152-9-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/980-15-0x0000000000940000-0x000000000096F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4068 set thread context of 4152	4068	ca0192abbb6d57a7a2070ad76058e4561f2dcc8255f5550cac6a23043f53c589.exe	82
PID 4152 set thread context of 3604	4152	svchost.exe	56
PID 980 set thread context of 3604	980	msdt.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	ca0192abbb6d57a7a2070ad76058e4561f2dcc8255f5550cac6a23043f53c589.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 50 IoCs

pid	Process
4152	svchost.exe
4152	svchost.exe
4152	svchost.exe
4152	svchost.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe
980	msdt.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4068	ca0192abbb6d57a7a2070ad76058e4561f2dcc8255f5550cac6a23043f53c589.exe
4152	svchost.exe
4152	svchost.exe
4152	svchost.exe
980	msdt.exe
980	msdt.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4152	svchost.exe
Token: SeDebugPrivilege	980	msdt.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4068	ca0192abbb6d57a7a2070ad76058e4561f2dcc8255f5550cac6a23043f53c589.exe
4068	ca0192abbb6d57a7a2070ad76058e4561f2dcc8255f5550cac6a23043f53c589.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4068	ca0192abbb6d57a7a2070ad76058e4561f2dcc8255f5550cac6a23043f53c589.exe
4068	ca0192abbb6d57a7a2070ad76058e4561f2dcc8255f5550cac6a23043f53c589.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4068 wrote to memory of 4152	4068	ca0192abbb6d57a7a2070ad76058e4561f2dcc8255f5550cac6a23043f53c589.exe	82
PID 4068 wrote to memory of 4152	4068	ca0192abbb6d57a7a2070ad76058e4561f2dcc8255f5550cac6a23043f53c589.exe	82
PID 4068 wrote to memory of 4152	4068	ca0192abbb6d57a7a2070ad76058e4561f2dcc8255f5550cac6a23043f53c589.exe	82
PID 4068 wrote to memory of 4152	4068	ca0192abbb6d57a7a2070ad76058e4561f2dcc8255f5550cac6a23043f53c589.exe	82
PID 3604 wrote to memory of 980	3604	Explorer.EXE	83
PID 3604 wrote to memory of 980	3604	Explorer.EXE	83
PID 3604 wrote to memory of 980	3604	Explorer.EXE	83
PID 980 wrote to memory of 4588	980	msdt.exe	84
PID 980 wrote to memory of 4588	980	msdt.exe	84
PID 980 wrote to memory of 4588	980	msdt.exe	84

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3604
- C:\Users\Admin\AppData\Local\Temp\ca0192abbb6d57a7a2070ad76058e4561f2dcc8255f5550cac6a23043f53c589.exe
  "C:\Users\Admin\AppData\Local\Temp\ca0192abbb6d57a7a2070ad76058e4561f2dcc8255f5550cac6a23043f53c589.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:4068
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\ca0192abbb6d57a7a2070ad76058e4561f2dcc8255f5550cac6a23043f53c589.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4152
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.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:980
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4588

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/980-15-0x0000000000940000-0x000000000096F000-memory.dmp

Filesize
188KB

Download
memory/980-12-0x0000000000F50000-0x0000000000FA7000-memory.dmp

Filesize
348KB

Download
memory/980-13-0x0000000000F50000-0x0000000000FA7000-memory.dmp

Filesize
348KB

Download
memory/3604-11-0x0000000008EB0000-0x000000000901B000-memory.dmp

Filesize
1.4MB

Download
memory/3604-14-0x0000000008EB0000-0x000000000901B000-memory.dmp

Filesize
1.4MB

Download
memory/3604-19-0x00000000048F0000-0x0000000004A6A000-memory.dmp

Filesize
1.5MB

Download
memory/3604-20-0x00000000048F0000-0x0000000004A6A000-memory.dmp

Filesize
1.5MB

Download
memory/3604-22-0x00000000048F0000-0x0000000004A6A000-memory.dmp

Filesize
1.5MB

Download
memory/4068-5-0x00000000031F0000-0x00000000031F4000-memory.dmp

Filesize
16KB

Download
memory/4152-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4152-7-0x0000000001400000-0x000000000174A000-memory.dmp

Filesize
3.3MB

Download
memory/4152-10-0x0000000001900000-0x0000000001914000-memory.dmp

Filesize
80KB

Download
memory/4152-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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