e3104af062e5f0346465140703d4f558e665b1fb2e2ca6ad74c59a9e0328d2a1

Analysis

max time kernel
149s
max time network
117s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22/08/2024, 06:27

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General

Target

b6a8971756681d40293b1e170a3504e1_JaffaCakes118.exe
Size

450KB
MD5

b6a8971756681d40293b1e170a3504e1
SHA1

151fbb64b1fa58f43cc0434b9115239cbe5f4fbe
SHA256

e3104af062e5f0346465140703d4f558e665b1fb2e2ca6ad74c59a9e0328d2a1
SHA512

dd09174d411d0232fab5e5e4467f58cad43eb393cfa26fef3f1fb2660455c1a0eb51a58db92269ae111bc5c8b6d9ae7445db586716aff6832d07cb09fa7807ff
SSDEEP

6144:IKJuVLs/8eAfTxDoC/gntHvhGJPk4Di+Qsw5Y0bvrJoj6s84ds4AifooyjujD2JF:tqY8treugtHJuEFOGFIgoyiWJJPXCA

Score

8^/10

discovery evasion persistence upx

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

Executes dropped EXE 1 IoCs

pid	Process
1808	mIDuMjVairisaH.exe

Loads dropped DLL 2 IoCs

pid	Process
1908	b6a8971756681d40293b1e170a3504e1_JaffaCakes118.exe
1908	b6a8971756681d40293b1e170a3504e1_JaffaCakes118.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1808-12-0x0000000000600000-0x0000000000679000-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\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\mIDuMjVairisaH = "C:\\ProgramData\\mIDuMjVairisaH.exe"	b6a8971756681d40293b1e170a3504e1_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	b6a8971756681d40293b1e170a3504e1_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	b6a8971756681d40293b1e170a3504e1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	mIDuMjVairisaH.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	mIDuMjVairisaH.exe

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 2 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	b6a8971756681d40293b1e170a3504e1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mIDuMjVairisaH.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\Download	b6a8971756681d40293b1e170a3504e1_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	b6a8971756681d40293b1e170a3504e1_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1908	b6a8971756681d40293b1e170a3504e1_JaffaCakes118.exe
1808	mIDuMjVairisaH.exe
1908	b6a8971756681d40293b1e170a3504e1_JaffaCakes118.exe
1808	mIDuMjVairisaH.exe
1908	b6a8971756681d40293b1e170a3504e1_JaffaCakes118.exe
1808	mIDuMjVairisaH.exe
1908	b6a8971756681d40293b1e170a3504e1_JaffaCakes118.exe
1808	mIDuMjVairisaH.exe
1908	b6a8971756681d40293b1e170a3504e1_JaffaCakes118.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe
1808	mIDuMjVairisaH.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1908	b6a8971756681d40293b1e170a3504e1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 1808	1908	b6a8971756681d40293b1e170a3504e1_JaffaCakes118.exe	30
PID 1908 wrote to memory of 1808	1908	b6a8971756681d40293b1e170a3504e1_JaffaCakes118.exe	30
PID 1908 wrote to memory of 1808	1908	b6a8971756681d40293b1e170a3504e1_JaffaCakes118.exe	30
PID 1908 wrote to memory of 1808	1908	b6a8971756681d40293b1e170a3504e1_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	b6a8971756681d40293b1e170a3504e1_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1"	b6a8971756681d40293b1e170a3504e1_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\b6a8971756681d40293b1e170a3504e1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b6a8971756681d40293b1e170a3504e1_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1908
- C:\ProgramData\mIDuMjVairisaH.exe
  "C:\ProgramData\mIDuMjVairisaH.exe"
  2⤵
  - Executes dropped EXE
  - Maps connected drives based on registry
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1808

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\mIDuMjVairisaH.exe

Filesize
450KB

MD5
b6a8971756681d40293b1e170a3504e1

SHA1
151fbb64b1fa58f43cc0434b9115239cbe5f4fbe

SHA256
e3104af062e5f0346465140703d4f558e665b1fb2e2ca6ad74c59a9e0328d2a1

SHA512
dd09174d411d0232fab5e5e4467f58cad43eb393cfa26fef3f1fb2660455c1a0eb51a58db92269ae111bc5c8b6d9ae7445db586716aff6832d07cb09fa7807ff

Download Submit
memory/1808-12-0x0000000000600000-0x0000000000679000-memory.dmp

Filesize
484KB

Download
memory/1908-0-0x0000000000250000-0x00000000002A9000-memory.dmp

Filesize
356KB

Download
memory/1908-2-0x0000000000600000-0x0000000000679000-memory.dmp

Filesize
484KB

Download
memory/1908-1-0x0000000000642000-0x0000000000672000-memory.dmp

Filesize
192KB

Download
memory/1908-13-0x0000000000250000-0x00000000002A9000-memory.dmp

Filesize
356KB

Download