f437e5d3d12b1205d0478f8010bb3997674de4b884bc9fd48c0ecfc0c6e6ccf6

Analysis

max time kernel
126s
max time network
131s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01/10/2024, 20:35

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General

Target

0754977cf78c04f276612b123d024060_JaffaCakes118.exe
Size

64KB
MD5

0754977cf78c04f276612b123d024060
SHA1

e0ca98da41194cf0b974f537eb4df7e5c34e6345
SHA256

f437e5d3d12b1205d0478f8010bb3997674de4b884bc9fd48c0ecfc0c6e6ccf6
SHA512

0b63ff44c7c3483b06b568b1b7731a46744661f815982aece93c7065a5173c0d3dc9c3af7a387dc00282ba855cfd3f61972737b560aeeef55eedf863ebf6bbf1
SSDEEP

1536:wygs3cEtU5+SFPmyn2fVC3vIwwrs0oGImV8Hd4:7/U5+MmII0fss0o5d4

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2100	iexplore.exe

Adds Run key to start application 2 TTPs 2 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\8c781513-9957-4dbb-9321-62a254f69a95 = "C:\\Users\\Admin\\AppData\\Roaming\\gkduk\\gkduk.exe"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\8c781513-9957-4dbb-9321-62a254f69a95 = "C:\\Users\\Admin\\AppData\\Roaming\\gkduk\\gkduk.exe"	iexplore.exe

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	0754977cf78c04f276612b123d024060_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2100	iexplore.exe
2100	iexplore.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2100	iexplore.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1088	0754977cf78c04f276612b123d024060_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 2100	1088	0754977cf78c04f276612b123d024060_JaffaCakes118.exe	29
PID 1088 wrote to memory of 2100	1088	0754977cf78c04f276612b123d024060_JaffaCakes118.exe	29
PID 1088 wrote to memory of 2100	1088	0754977cf78c04f276612b123d024060_JaffaCakes118.exe	29
PID 1088 wrote to memory of 2100	1088	0754977cf78c04f276612b123d024060_JaffaCakes118.exe	29
PID 1088 wrote to memory of 2100	1088	0754977cf78c04f276612b123d024060_JaffaCakes118.exe	29
PID 2100 wrote to memory of 2276	2100	iexplore.exe	30
PID 2100 wrote to memory of 2276	2100	iexplore.exe	30
PID 2100 wrote to memory of 2276	2100	iexplore.exe	30
PID 2100 wrote to memory of 2276	2100	iexplore.exe	30
PID 2100 wrote to memory of 2276	2100	iexplore.exe	30

C:\Users\Admin\AppData\Local\Temp\0754977cf78c04f276612b123d024060_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0754977cf78c04f276612b123d024060_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  - Deletes itself
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2100
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2276

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1088-0-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/1088-2-0x0000000000230000-0x0000000000232000-memory.dmp

Filesize
8KB

Download
memory/1088-6-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/1088-7-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download