formbook | 35a957c128cb8431e412fad3f0a71d392d5bad8433936a99909477a3b9c43bc4

Analysis

max time kernel
134s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-08-2024 10:11

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General

Target

caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe
Size

509KB
MD5

caa15cf238aab71d356c954b1041948d
SHA1

45eda2d654be6c79854b8cb14f3c27f3e024f46f
SHA256

35a957c128cb8431e412fad3f0a71d392d5bad8433936a99909477a3b9c43bc4
SHA512

c395c9dfc59b851b956b2d4bf21bceeb7dafd1e5e9cd6f6286e0e9ae94c7f04442a59c5e57a3ebfdf3e79d71067a3567cd4d65b10772c32a7fb0201adedc30a4
SSDEEP

12288:yu/N1ulb9BayeVL5fO2c6sRWBP0SoivrtzQMG5p45+ygUu8:Pl1umL5fRaRK0SfZznG5p

Score

10^/10

formbook discovery evasion rat spyware stealer trojan

Malware Config

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/4632-68-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4904 set thread context of 4632	4904	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe	103

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	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1324	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4316	powershell.exe
4316	powershell.exe
4904	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe
4632	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe
4632	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4316	powershell.exe
Token: SeDebugPrivilege	4904	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4904 wrote to memory of 4316	4904	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe	99
PID 4904 wrote to memory of 4316	4904	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe	99
PID 4904 wrote to memory of 4316	4904	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe	99
PID 4904 wrote to memory of 1324	4904	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe	101
PID 4904 wrote to memory of 1324	4904	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe	101
PID 4904 wrote to memory of 1324	4904	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe	101
PID 4904 wrote to memory of 4632	4904	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe	103
PID 4904 wrote to memory of 4632	4904	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe	103
PID 4904 wrote to memory of 4632	4904	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe	103
PID 4904 wrote to memory of 4632	4904	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe	103
PID 4904 wrote to memory of 4632	4904	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe	103
PID 4904 wrote to memory of 4632	4904	caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe	103

C:\Users\Admin\AppData\Local\Temp\caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe"
1⤵
- Modifies Windows Defender Real-time Protection settings
- Checks computer location settings
- Windows security modification
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4904
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" Get-MpPreference -verbose
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4316
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pxZSGYPHdOLq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB800.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1324
- C:\Users\Admin\AppData\Local\Temp\caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\caa15cf238aab71d356c954b1041948d_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_secwgmgk.mck.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB800.tmp

Filesize
1KB

MD5
4baafae7d5dbc4f4cc70a99fbd9793d9

SHA1
5432e5064bcfb8efb626b378268a2a592d29d17e

SHA256
da8a36f78e4d7f8d3fb70a298d5b58437e4936b77eedd903eeeae140b4f97e59

SHA512
098ceef67a47e5b7f898ccc7863f138becbc0299cc2b5656c834958465819218e14a8bfabcf47be48d0418c94ba7e72061f8159478f9662421835184d395f5f5

Download Submit
memory/4316-53-0x00000000075E0000-0x00000000075EA000-memory.dmp

Filesize
40KB

Download
memory/4316-17-0x0000000005400000-0x0000000005A28000-memory.dmp

Filesize
6.2MB

Download
memory/4316-48-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/4316-33-0x0000000006250000-0x000000000626E000-memory.dmp

Filesize
120KB

Download
memory/4316-47-0x0000000006820000-0x000000000683E000-memory.dmp

Filesize
120KB

Download
memory/4316-62-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/4316-59-0x0000000007890000-0x0000000007898000-memory.dmp

Filesize
32KB

Download
memory/4316-58-0x00000000078B0000-0x00000000078CA000-memory.dmp

Filesize
104KB

Download
memory/4316-57-0x00000000077B0000-0x00000000077C4000-memory.dmp

Filesize
80KB

Download
memory/4316-56-0x00000000077A0000-0x00000000077AE000-memory.dmp

Filesize
56KB

Download
memory/4316-55-0x0000000007770000-0x0000000007781000-memory.dmp

Filesize
68KB

Download
memory/4316-54-0x00000000077F0000-0x0000000007886000-memory.dmp

Filesize
600KB

Download
memory/4316-51-0x0000000007BC0000-0x000000000823A000-memory.dmp

Filesize
6.5MB

Download
memory/4316-15-0x0000000002940000-0x0000000002976000-memory.dmp

Filesize
216KB

Download
memory/4316-18-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/4316-49-0x0000000007290000-0x0000000007333000-memory.dmp

Filesize
652KB

Download
memory/4316-32-0x0000000005C90000-0x0000000005FE4000-memory.dmp

Filesize
3.3MB

Download
memory/4316-19-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/4316-20-0x0000000005280000-0x00000000052A2000-memory.dmp

Filesize
136KB

Download
memory/4316-22-0x0000000005B20000-0x0000000005B86000-memory.dmp

Filesize
408KB

Download
memory/4316-21-0x0000000005320000-0x0000000005386000-memory.dmp

Filesize
408KB

Download
memory/4316-52-0x0000000007570000-0x000000000758A000-memory.dmp

Filesize
104KB

Download
memory/4316-34-0x00000000062E0000-0x000000000632C000-memory.dmp

Filesize
304KB

Download
memory/4316-50-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/4316-16-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/4316-35-0x0000000006840000-0x0000000006872000-memory.dmp

Filesize
200KB

Download
memory/4316-36-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/4316-37-0x000000006FF80000-0x000000006FFCC000-memory.dmp

Filesize
304KB

Download
memory/4632-68-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4632-71-0x0000000001420000-0x000000000176A000-memory.dmp

Filesize
3.3MB

Download
memory/4904-70-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/4904-3-0x0000000007A30000-0x0000000007ACC000-memory.dmp

Filesize
624KB

Download
memory/4904-2-0x00000000053E0000-0x0000000005448000-memory.dmp

Filesize
416KB

Download
memory/4904-14-0x0000000008780000-0x00000000087B6000-memory.dmp

Filesize
216KB

Download
memory/4904-0-0x000000007458E000-0x000000007458F000-memory.dmp

Filesize
4KB

Download
memory/4904-13-0x0000000007C20000-0x0000000007C26000-memory.dmp

Filesize
24KB

Download
memory/4904-12-0x0000000008730000-0x0000000008786000-memory.dmp

Filesize
344KB

Download
memory/4904-11-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/4904-10-0x000000007458E000-0x000000007458F000-memory.dmp

Filesize
4KB

Download
memory/4904-9-0x0000000002E70000-0x0000000002E88000-memory.dmp

Filesize
96KB

Download
memory/4904-8-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/4904-7-0x0000000005540000-0x0000000005596000-memory.dmp

Filesize
344KB

Download
memory/4904-6-0x0000000002E50000-0x0000000002E5A000-memory.dmp

Filesize
40KB

Download
memory/4904-1-0x0000000000A40000-0x0000000000AC6000-memory.dmp

Filesize
536KB

Download
memory/4904-5-0x0000000007AD0000-0x0000000007B62000-memory.dmp

Filesize
584KB

Download
memory/4904-4-0x0000000008080000-0x0000000008624000-memory.dmp

Filesize
5.6MB

Download