e87875ca2cd4b2005e47c636fc5f684ff404b38b414af3c773351e926e9825ce

Analysis

max time kernel
150s
max time network
145s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
05/07/2024, 00:03

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General

Target

26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
Size

321KB
MD5

26bb785e94a8548d48b43d5ec1680fce
SHA1

777cb5199771a2ea09aeedd91a63e7251d806459
SHA256

e87875ca2cd4b2005e47c636fc5f684ff404b38b414af3c773351e926e9825ce
SHA512

e860803e2cc981fac4723f3eaaa76c4718ac3563a0bb5f4d6ea6d916a12be4fd54703b493698f17cfe453ae7dddfbbccc97b4d208ec7d0c9951ddc1b98ff6282
SSDEEP

6144:jvAmr15QpNezQDG/kFKz60cBJO13qnGObdv/RsScyBFKtjuE:jvtxqNGQDG/kF3BJG2GO9/RvEBz

Score

8^/10

evasion persistence upx

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

Executes dropped EXE 1 IoCs

pid	Process
2976	nMQsPVYoUn.exe

Loads dropped DLL 2 IoCs

pid	Process
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2556-3-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral1/memory/2556-26-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral1/memory/2976-28-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral1/memory/2976-29-0x0000000000400000-0x0000000000465000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\nMQsPVYoUn.exe = "C:\\ProgramData\\nMQsPVYoUn.exe"	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	nMQsPVYoUn.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	nMQsPVYoUn.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Download	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 2976	2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe	30
PID 2556 wrote to memory of 2976	2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe	30
PID 2556 wrote to memory of 2976	2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe	30
PID 2556 wrote to memory of 2976	2556	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe	30

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1"	26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\26bb785e94a8548d48b43d5ec1680fce_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2556
- C:\ProgramData\nMQsPVYoUn.exe
  C:\ProgramData\nMQsPVYoUn.exe
  2⤵
  - Executes dropped EXE
  - Maps connected drives based on registry
  PID:2976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\ProgramData\nMQsPVYoUn.exe

Filesize
321KB

MD5
26bb785e94a8548d48b43d5ec1680fce

SHA1
777cb5199771a2ea09aeedd91a63e7251d806459

SHA256
e87875ca2cd4b2005e47c636fc5f684ff404b38b414af3c773351e926e9825ce

SHA512
e860803e2cc981fac4723f3eaaa76c4718ac3563a0bb5f4d6ea6d916a12be4fd54703b493698f17cfe453ae7dddfbbccc97b4d208ec7d0c9951ddc1b98ff6282

Download Submit
memory/2556-0-0x0000000000470000-0x00000000004B9000-memory.dmp

Filesize
292KB

Download
memory/2556-1-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2556-2-0x0000000000451000-0x0000000000464000-memory.dmp

Filesize
76KB

Download
memory/2556-3-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2556-6-0x0000000000470000-0x00000000004B9000-memory.dmp

Filesize
292KB

Download
memory/2556-26-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2976-25-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2976-28-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2976-29-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download