formbook | 00140ab45e4fcbba5f1b52f3058a8ac015771eb60348617843ac7ca841b8bae9

General

Target

New PO 127429.exe
Size

1.1MB
MD5

94d6aa80c6757c59f58f642c4e78bcfc
SHA1

d3a359f25a9692934749a63035e1f13c71c521c6
SHA256

00140ab45e4fcbba5f1b52f3058a8ac015771eb60348617843ac7ca841b8bae9
SHA512

3bebb2bdd32b4c003b56799fb738dd8bba86e45b51b74fa1eed8a2b41b9c888aa5053b92f02e81df8e908bcc38d4a16fec35c27068f056c6469436617eae4564
SSDEEP

24576:WfmMv6Ckr7Mny5Qts5ZBRRaIQFgwvLUDzH:W3v+7/5QtILQiwvLaD

Score

10^/10

formbook cu29 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cu29

Decoy

qidr.shop

usinessaviationconsulting.net

68716329.xyz

nd-los.net

ealthironcladguarantee.shop

oftware-download-69354.bond

48372305.top

omeownershub.top

mall-chilli.top

ajakgoid.online

ire-changer-53482.bond

rugsrx.shop

oyang123.info

azino-forum-pro.online

817715.rest

layman.vip

eb777.club

ovatonica.net

urgaslotvip.website

inn-paaaa.buzz

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/2652-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2652-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2700-23-0x0000000000090000-0x00000000000BF000-memory.dmp	formbook

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\subpredicate.vbs	subpredicate.exe

Executes dropped EXE 1 IoCs

pid	Process
2012	subpredicate.exe

Loads dropped DLL 1 IoCs

pid	Process
2072	New PO 127429.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x00070000000191f7-4.dat	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2012 set thread context of 2652	2012	subpredicate.exe	32
PID 2652 set thread context of 1216	2652	svchost.exe	21
PID 2700 set thread context of 1216	2700	cmstp.exe	21

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 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	New PO 127429.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	subpredicate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2652	svchost.exe
2652	svchost.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe
2700	cmstp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2012	subpredicate.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2700	cmstp.exe
2700	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2652	svchost.exe
Token: SeDebugPrivilege	2700	cmstp.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
2072	New PO 127429.exe
2072	New PO 127429.exe
2012	subpredicate.exe
2012	subpredicate.exe
1216	Explorer.EXE
1216	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2072	New PO 127429.exe
2072	New PO 127429.exe
2012	subpredicate.exe
2012	subpredicate.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2012	2072	New PO 127429.exe	31
PID 2072 wrote to memory of 2012	2072	New PO 127429.exe	31
PID 2072 wrote to memory of 2012	2072	New PO 127429.exe	31
PID 2072 wrote to memory of 2012	2072	New PO 127429.exe	31
PID 2012 wrote to memory of 2652	2012	subpredicate.exe	32
PID 2012 wrote to memory of 2652	2012	subpredicate.exe	32
PID 2012 wrote to memory of 2652	2012	subpredicate.exe	32
PID 2012 wrote to memory of 2652	2012	subpredicate.exe	32
PID 2012 wrote to memory of 2652	2012	subpredicate.exe	32
PID 1216 wrote to memory of 2700	1216	Explorer.EXE	33
PID 1216 wrote to memory of 2700	1216	Explorer.EXE	33
PID 1216 wrote to memory of 2700	1216	Explorer.EXE	33
PID 1216 wrote to memory of 2700	1216	Explorer.EXE	33
PID 1216 wrote to memory of 2700	1216	Explorer.EXE	33
PID 1216 wrote to memory of 2700	1216	Explorer.EXE	33
PID 1216 wrote to memory of 2700	1216	Explorer.EXE	33
PID 2700 wrote to memory of 2768	2700	cmstp.exe	34
PID 2700 wrote to memory of 2768	2700	cmstp.exe	34
PID 2700 wrote to memory of 2768	2700	cmstp.exe	34
PID 2700 wrote to memory of 2768	2700	cmstp.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Users\Admin\AppData\Local\Temp\New PO 127429.exe
  "C:\Users\Admin\AppData\Local\Temp\New PO 127429.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2072
- - C:\Users\Admin\AppData\Local\meshuggenah\subpredicate.exe
    "C:\Users\Admin\AppData\Local\Temp\New PO 127429.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - 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:2012
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\New PO 127429.exe"
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2652
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:2700
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2768

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

\Users\Admin\AppData\Local\meshuggenah\subpredicate.exe

Filesize
1.1MB

MD5
94d6aa80c6757c59f58f642c4e78bcfc

SHA1
d3a359f25a9692934749a63035e1f13c71c521c6

SHA256
00140ab45e4fcbba5f1b52f3058a8ac015771eb60348617843ac7ca841b8bae9

SHA512
3bebb2bdd32b4c003b56799fb738dd8bba86e45b51b74fa1eed8a2b41b9c888aa5053b92f02e81df8e908bcc38d4a16fec35c27068f056c6469436617eae4564

Download Submit
memory/1216-24-0x0000000004500000-0x00000000045B7000-memory.dmp

Filesize
732KB

Download
memory/1216-33-0x0000000009920000-0x0000000009A86000-memory.dmp

Filesize
1.4MB

Download
memory/1216-31-0x0000000009920000-0x0000000009A86000-memory.dmp

Filesize
1.4MB

Download
memory/1216-30-0x0000000009920000-0x0000000009A86000-memory.dmp

Filesize
1.4MB

Download
memory/1216-18-0x0000000000370000-0x0000000000470000-memory.dmp

Filesize
1024KB

Download
memory/1216-20-0x0000000004500000-0x00000000045B7000-memory.dmp

Filesize
732KB

Download
memory/2012-12-0x00000000032D0000-0x00000000034D0000-memory.dmp

Filesize
2.0MB

Download
memory/2072-2-0x00000000032F0000-0x00000000034F0000-memory.dmp

Filesize
2.0MB

Download
memory/2652-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2652-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2652-19-0x0000000000180000-0x0000000000195000-memory.dmp

Filesize
84KB

Download
memory/2652-15-0x0000000000A60000-0x0000000000D63000-memory.dmp

Filesize
3.0MB

Download
memory/2700-22-0x0000000000690000-0x00000000006A8000-memory.dmp

Filesize
96KB

Download
memory/2700-23-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/2700-21-0x0000000000690000-0x00000000006A8000-memory.dmp

Filesize
96KB

Download

Analysis

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