formbook | ff410475bb80926bc3933e68f5e84a7185292bb2b78294abe528cb647c78f637

General

Target

RFQ 242024.exe
Size

1.1MB
MD5

5fa5f00b74bf9bb524687e6785027135
SHA1

4f41d3eddbf7844cc60f561c6fd92c44f7f4f282
SHA256

ff410475bb80926bc3933e68f5e84a7185292bb2b78294abe528cb647c78f637
SHA512

5bbd12cb28e0255a6773e11c2c096a94ec018228dd8dfae107efdd4bb193808463849872175f9798de27705fa5f9b5232bc10ef18c726ebee3c222aa3b2b3f9f
SSDEEP

24576:WfmMv6Ckr7Mny5QtEc7e74/SPFjc2+ZWKrs3bC+:W3v+7/5Qtl7k4/S1tGJaC+

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 payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/3032-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3032-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2996-23-0x0000000000110000-0x000000000013F000-memory.dmp	formbook

Drops startup file 1 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
2864	tabulations.exe

Loads dropped DLL 1 IoCs

pid	Process
2548	RFQ 242024.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x0009000000018b28-4.dat	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2864 set thread context of 3032	2864	tabulations.exe	31
PID 3032 set thread context of 1212	3032	svchost.exe	21
PID 2996 set thread context of 1212	2996	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	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RFQ 242024.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tabulations.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
3032	svchost.exe
3032	svchost.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe
2996	cmstp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2864	tabulations.exe
3032	svchost.exe
3032	svchost.exe
3032	svchost.exe
2996	cmstp.exe
2996	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3032	svchost.exe
Token: SeDebugPrivilege	2996	cmstp.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
2548	RFQ 242024.exe
2548	RFQ 242024.exe
2548	RFQ 242024.exe
2864	tabulations.exe
2864	tabulations.exe
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of SendNotifyMessage 5 IoCs

pid	Process
2548	RFQ 242024.exe
2548	RFQ 242024.exe
2548	RFQ 242024.exe
2864	tabulations.exe
2864	tabulations.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2864	2548	RFQ 242024.exe	30
PID 2548 wrote to memory of 2864	2548	RFQ 242024.exe	30
PID 2548 wrote to memory of 2864	2548	RFQ 242024.exe	30
PID 2548 wrote to memory of 2864	2548	RFQ 242024.exe	30
PID 2864 wrote to memory of 3032	2864	tabulations.exe	31
PID 2864 wrote to memory of 3032	2864	tabulations.exe	31
PID 2864 wrote to memory of 3032	2864	tabulations.exe	31
PID 2864 wrote to memory of 3032	2864	tabulations.exe	31
PID 2864 wrote to memory of 3032	2864	tabulations.exe	31
PID 1212 wrote to memory of 2996	1212	Explorer.EXE	33
PID 1212 wrote to memory of 2996	1212	Explorer.EXE	33
PID 1212 wrote to memory of 2996	1212	Explorer.EXE	33
PID 1212 wrote to memory of 2996	1212	Explorer.EXE	33
PID 1212 wrote to memory of 2996	1212	Explorer.EXE	33
PID 1212 wrote to memory of 2996	1212	Explorer.EXE	33
PID 1212 wrote to memory of 2996	1212	Explorer.EXE	33
PID 2996 wrote to memory of 2964	2996	cmstp.exe	34
PID 2996 wrote to memory of 2964	2996	cmstp.exe	34
PID 2996 wrote to memory of 2964	2996	cmstp.exe	34
PID 2996 wrote to memory of 2964	2996	cmstp.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Users\Admin\AppData\Local\Temp\RFQ 242024.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ 242024.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2548
- - C:\Users\Admin\AppData\Local\piceous\tabulations.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ 242024.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:2864
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ 242024.exe"
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:3032
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2032
- 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:2996
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2964

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\piceous\tabulations.exe

Filesize
1.1MB

MD5
5fa5f00b74bf9bb524687e6785027135

SHA1
4f41d3eddbf7844cc60f561c6fd92c44f7f4f282

SHA256
ff410475bb80926bc3933e68f5e84a7185292bb2b78294abe528cb647c78f637

SHA512
5bbd12cb28e0255a6773e11c2c096a94ec018228dd8dfae107efdd4bb193808463849872175f9798de27705fa5f9b5232bc10ef18c726ebee3c222aa3b2b3f9f

Download Submit
memory/1212-19-0x0000000000350000-0x0000000000450000-memory.dmp

Filesize
1024KB

Download
memory/1212-30-0x0000000006B20000-0x0000000006C5E000-memory.dmp

Filesize
1.2MB

Download
memory/1212-24-0x00000000075D0000-0x000000000775A000-memory.dmp

Filesize
1.5MB

Download
memory/1212-20-0x00000000075D0000-0x000000000775A000-memory.dmp

Filesize
1.5MB

Download
memory/2548-2-0x0000000003250000-0x0000000003650000-memory.dmp

Filesize
4.0MB

Download
memory/2864-12-0x00000000036A0000-0x0000000003AA0000-memory.dmp

Filesize
4.0MB

Download
memory/2996-21-0x0000000000260000-0x0000000000278000-memory.dmp

Filesize
96KB

Download
memory/2996-22-0x0000000000260000-0x0000000000278000-memory.dmp

Filesize
96KB

Download
memory/2996-23-0x0000000000110000-0x000000000013F000-memory.dmp

Filesize
188KB

Download
memory/3032-18-0x0000000000180000-0x0000000000195000-memory.dmp

Filesize
84KB

Download
memory/3032-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3032-15-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/3032-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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