formbook | 90f0b142274a5613c660dd9cf60dba79bf5abec4e20734122ca0b2f5b9e7a904

General

Target

90f0b142274a5613c660dd9cf60dba79bf5abec4e20734122ca0b2f5b9e7a904.exe
Size

1.3MB
MD5

d4872c2f92a2b2669cb7e55c1714495a
SHA1

d74acf1b04946ffa18d542e985a6780d748a9a8d
SHA256

90f0b142274a5613c660dd9cf60dba79bf5abec4e20734122ca0b2f5b9e7a904
SHA512

5811aa717808fa4f56475a7e081dbfd78a0065992a60ab1f787e5abc5672fffdf2127fedb06fb008cff52e8ffdc46292412dc833befb01a3a3811d8061ffb2a6
SSDEEP

24576:C5EmXFtKaL4/oFe5T9yyXYfP1ijXdaEcbg/4ieadFVSXNIF/bzCXvXGrD4o:CPVt/LZeJbInQRaEcbgAirTVSXNcbGGf

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/2452-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2452-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2184-12-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2600 set thread context of 2452	2600	90f0b142274a5613c660dd9cf60dba79bf5abec4e20734122ca0b2f5b9e7a904.exe	30
PID 2452 set thread context of 1192	2452	svchost.exe	21
PID 2184 set thread context of 1192	2184	mstsc.exe	21

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	90f0b142274a5613c660dd9cf60dba79bf5abec4e20734122ca0b2f5b9e7a904.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2452	svchost.exe
2452	svchost.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe
2184	mstsc.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2600	90f0b142274a5613c660dd9cf60dba79bf5abec4e20734122ca0b2f5b9e7a904.exe
2452	svchost.exe
2452	svchost.exe
2452	svchost.exe
2184	mstsc.exe
2184	mstsc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2452	svchost.exe
Token: SeDebugPrivilege	2184	mstsc.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2600	90f0b142274a5613c660dd9cf60dba79bf5abec4e20734122ca0b2f5b9e7a904.exe
2600	90f0b142274a5613c660dd9cf60dba79bf5abec4e20734122ca0b2f5b9e7a904.exe
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2600	90f0b142274a5613c660dd9cf60dba79bf5abec4e20734122ca0b2f5b9e7a904.exe
2600	90f0b142274a5613c660dd9cf60dba79bf5abec4e20734122ca0b2f5b9e7a904.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 2452	2600	90f0b142274a5613c660dd9cf60dba79bf5abec4e20734122ca0b2f5b9e7a904.exe	30
PID 2600 wrote to memory of 2452	2600	90f0b142274a5613c660dd9cf60dba79bf5abec4e20734122ca0b2f5b9e7a904.exe	30
PID 2600 wrote to memory of 2452	2600	90f0b142274a5613c660dd9cf60dba79bf5abec4e20734122ca0b2f5b9e7a904.exe	30
PID 2600 wrote to memory of 2452	2600	90f0b142274a5613c660dd9cf60dba79bf5abec4e20734122ca0b2f5b9e7a904.exe	30
PID 2600 wrote to memory of 2452	2600	90f0b142274a5613c660dd9cf60dba79bf5abec4e20734122ca0b2f5b9e7a904.exe	30
PID 1192 wrote to memory of 2184	1192	Explorer.EXE	31
PID 1192 wrote to memory of 2184	1192	Explorer.EXE	31
PID 1192 wrote to memory of 2184	1192	Explorer.EXE	31
PID 1192 wrote to memory of 2184	1192	Explorer.EXE	31
PID 2184 wrote to memory of 1792	2184	mstsc.exe	32
PID 2184 wrote to memory of 1792	2184	mstsc.exe	32
PID 2184 wrote to memory of 1792	2184	mstsc.exe	32
PID 2184 wrote to memory of 1792	2184	mstsc.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\90f0b142274a5613c660dd9cf60dba79bf5abec4e20734122ca0b2f5b9e7a904.exe
  "C:\Users\Admin\AppData\Local\Temp\90f0b142274a5613c660dd9cf60dba79bf5abec4e20734122ca0b2f5b9e7a904.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:2600
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\90f0b142274a5613c660dd9cf60dba79bf5abec4e20734122ca0b2f5b9e7a904.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2452
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.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:2184
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1792

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/1192-8-0x0000000005170000-0x0000000005280000-memory.dmp

Filesize
1.1MB

Download
memory/1192-22-0x0000000006750000-0x0000000006859000-memory.dmp

Filesize
1.0MB

Download
memory/1192-20-0x0000000006750000-0x0000000006859000-memory.dmp

Filesize
1.0MB

Download
memory/1192-19-0x0000000006750000-0x0000000006859000-memory.dmp

Filesize
1.0MB

Download
memory/1192-13-0x0000000005170000-0x0000000005280000-memory.dmp

Filesize
1.1MB

Download
memory/2184-9-0x0000000000930000-0x0000000000A34000-memory.dmp

Filesize
1.0MB

Download
memory/2184-11-0x0000000000930000-0x0000000000A34000-memory.dmp

Filesize
1.0MB

Download
memory/2184-12-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2452-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2452-7-0x0000000000120000-0x0000000000134000-memory.dmp

Filesize
80KB

Download
memory/2452-4-0x00000000007E0000-0x0000000000AE3000-memory.dmp

Filesize
3.0MB

Download
memory/2452-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2600-2-0x0000000000D70000-0x0000000001170000-memory.dmp

Filesize
4.0MB

Download

Analysis

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