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/2832-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2832-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2832-21-0x0000000000400000-0x000000000042F000-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
1868	tabulations.exe

Loads dropped DLL 1 IoCs

pid	Process
2460	RFQ 242024.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x000800000001650a-4.dat	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1868 set thread context of 2832	1868	tabulations.exe	32
PID 2832 set thread context of 1144	2832	svchost.exe	20
PID 2832 set thread context of 1144	2832	svchost.exe	20

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2704	2760	WerFault.exe	33

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	RFQ 242024.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tabulations.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2832	svchost.exe
2832	svchost.exe
2832	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1868	tabulations.exe
2832	svchost.exe
2832	svchost.exe
2832	svchost.exe
2832	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2832	svchost.exe
Token: SeShutdownPrivilege	1144	Explorer.EXE
Token: SeShutdownPrivilege	1144	Explorer.EXE
Token: SeShutdownPrivilege	1144	Explorer.EXE

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
2460	RFQ 242024.exe
2460	RFQ 242024.exe
1868	tabulations.exe
1868	tabulations.exe
1144	Explorer.EXE
1144	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2460	RFQ 242024.exe
2460	RFQ 242024.exe
1868	tabulations.exe
1868	tabulations.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 1868	2460	RFQ 242024.exe	31
PID 2460 wrote to memory of 1868	2460	RFQ 242024.exe	31
PID 2460 wrote to memory of 1868	2460	RFQ 242024.exe	31
PID 2460 wrote to memory of 1868	2460	RFQ 242024.exe	31
PID 1868 wrote to memory of 2832	1868	tabulations.exe	32
PID 1868 wrote to memory of 2832	1868	tabulations.exe	32
PID 1868 wrote to memory of 2832	1868	tabulations.exe	32
PID 1868 wrote to memory of 2832	1868	tabulations.exe	32
PID 1868 wrote to memory of 2832	1868	tabulations.exe	32
PID 1144 wrote to memory of 2760	1144	Explorer.EXE	33
PID 1144 wrote to memory of 2760	1144	Explorer.EXE	33
PID 1144 wrote to memory of 2760	1144	Explorer.EXE	33
PID 1144 wrote to memory of 2760	1144	Explorer.EXE	33
PID 1144 wrote to memory of 2760	1144	Explorer.EXE	33
PID 1144 wrote to memory of 2760	1144	Explorer.EXE	33
PID 1144 wrote to memory of 2760	1144	Explorer.EXE	33
PID 2760 wrote to memory of 2704	2760	msiexec.exe	34
PID 2760 wrote to memory of 2704	2760	msiexec.exe	34
PID 2760 wrote to memory of 2704	2760	msiexec.exe	34
PID 2760 wrote to memory of 2704	2760	msiexec.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1144
- 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:2460
- - 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:1868
  - - 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:2832
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2760
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2760 -s 268
    3⤵
    - Program crash
    PID:2704

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

C:\Users\Admin\AppData\Local\Temp\unjust

Filesize
185KB

MD5
0316aae23befc14c7a1f115952fb1614

SHA1
c10884eb21106eec081cc3d29f9bd05c8389b5d2

SHA256
206421231e2ee06fc5ebd393133c37834a7b10060ce91d36a113ee743aefddab

SHA512
cc72a227e1261ac07260ab271f787b5168a58e72f2acac5e9275caea5dc0248112a084419ccf59eb3197a76891c78b52cce2b7b152a4e46a88a751bf1ef9bf4e

Download Submit
\Users\Admin\AppData\Local\piceous\tabulations.exe

Filesize
1.1MB

MD5
5fa5f00b74bf9bb524687e6785027135

SHA1
4f41d3eddbf7844cc60f561c6fd92c44f7f4f282

SHA256
ff410475bb80926bc3933e68f5e84a7185292bb2b78294abe528cb647c78f637

SHA512
5bbd12cb28e0255a6773e11c2c096a94ec018228dd8dfae107efdd4bb193808463849872175f9798de27705fa5f9b5232bc10ef18c726ebee3c222aa3b2b3f9f

Download Submit
memory/1144-24-0x0000000004E60000-0x0000000004F3B000-memory.dmp

Filesize
876KB

Download
memory/1144-31-0x0000000004E60000-0x0000000004F3B000-memory.dmp

Filesize
876KB

Download
memory/1144-19-0x0000000005000000-0x000000000517A000-memory.dmp

Filesize
1.5MB

Download
memory/1144-23-0x0000000005000000-0x000000000517A000-memory.dmp

Filesize
1.5MB

Download
memory/1868-12-0x0000000003A30000-0x0000000003E30000-memory.dmp

Filesize
4.0MB

Download
memory/2460-2-0x0000000003D90000-0x0000000004190000-memory.dmp

Filesize
4.0MB

Download
memory/2760-28-0x0000000000F20000-0x0000000000F34000-memory.dmp

Filesize
80KB

Download
memory/2760-25-0x0000000000F20000-0x0000000000F34000-memory.dmp

Filesize
80KB

Download
memory/2760-26-0x0000000000F20000-0x0000000000F34000-memory.dmp

Filesize
80KB

Download
memory/2832-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2832-22-0x0000000000210000-0x0000000000225000-memory.dmp

Filesize
84KB

Download
memory/2832-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2832-18-0x00000000001D0000-0x00000000001E5000-memory.dmp

Filesize
84KB

Download
memory/2832-15-0x00000000009A0000-0x0000000000CA3000-memory.dmp

Filesize
3.0MB

Download
memory/2832-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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