0a61f36de086ca2f117ede62133917d5889d7c4b0642ee234bcdbe621b934c27

General

Target

6373c5ce6b23e9b40c8f5c35620160f3_JaffaCakes118.exe
Size

368KB
MD5

6373c5ce6b23e9b40c8f5c35620160f3
SHA1

51fc3d32046dfb1b57a916503b6f80e1c688fb11
SHA256

0a61f36de086ca2f117ede62133917d5889d7c4b0642ee234bcdbe621b934c27
SHA512

f35361d048af77bfad13766a8af1e1351d183ebb555c94c0c97ef4b0c175fbba4bc51493ced994516f071559cf0ebefa02a1b0f1f5189e2c880e2ddf52ffcfa6
SSDEEP

6144:/s2W1fP41l3uWBpaMU/sEOSdFoWby3/XwpbCSRk/SIpybzcdMxiElUY:/nAP4b3hBpahoKFotIpbli61i+

Score

8^/10

discovery evasion persistence trojan

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	6373c5ce6b23e9b40c8f5c35620160f3_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\XDZBRUKGUE = "C:\\Windows\\SysWOW64\\kbdhebl3B.exe"	6373c5ce6b23e9b40c8f5c35620160f3_JaffaCakes118.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	kbdhebl3B.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	6373c5ce6b23e9b40c8f5c35620160f3_JaffaCakes118.exe

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-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation	kbdhebl3B.exe

Deletes itself 1 IoCs

pid	Process
3548	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2184	kbdhebl3B.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	6373c5ce6b23e9b40c8f5c35620160f3_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\kbdhebl3B.exe	6373c5ce6b23e9b40c8f5c35620160f3_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\kbdhebl3B.exe	6373c5ce6b23e9b40c8f5c35620160f3_JaffaCakes118.exe

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

System Information Discovery
T1082

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2892	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2408	6373c5ce6b23e9b40c8f5c35620160f3_JaffaCakes118.exe
2408	6373c5ce6b23e9b40c8f5c35620160f3_JaffaCakes118.exe
2408	6373c5ce6b23e9b40c8f5c35620160f3_JaffaCakes118.exe
2408	6373c5ce6b23e9b40c8f5c35620160f3_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2408	6373c5ce6b23e9b40c8f5c35620160f3_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2184	kbdhebl3B.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 2184	2408	6373c5ce6b23e9b40c8f5c35620160f3_JaffaCakes118.exe	86
PID 2408 wrote to memory of 2184	2408	6373c5ce6b23e9b40c8f5c35620160f3_JaffaCakes118.exe	86
PID 2408 wrote to memory of 2184	2408	6373c5ce6b23e9b40c8f5c35620160f3_JaffaCakes118.exe	86
PID 2408 wrote to memory of 3548	2408	6373c5ce6b23e9b40c8f5c35620160f3_JaffaCakes118.exe	88
PID 2408 wrote to memory of 3548	2408	6373c5ce6b23e9b40c8f5c35620160f3_JaffaCakes118.exe	88
PID 2408 wrote to memory of 3548	2408	6373c5ce6b23e9b40c8f5c35620160f3_JaffaCakes118.exe	88
PID 2184 wrote to memory of 2892	2184	kbdhebl3B.exe	90
PID 2184 wrote to memory of 2892	2184	kbdhebl3B.exe	90
PID 2184 wrote to memory of 2892	2184	kbdhebl3B.exe	90

C:\Users\Admin\AppData\Local\Temp\6373c5ce6b23e9b40c8f5c35620160f3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6373c5ce6b23e9b40c8f5c35620160f3_JaffaCakes118.exe"
1⤵
- Adds policy Run key to start application
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2408
- C:\Windows\SysWOW64\kbdhebl3B.exe
  C:\Windows\SysWOW64\kbdhebl3B.exe
  2⤵
  - Drops file in Drivers directory
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2184
- - C:\Windows\SysWOW64\ipconfig.exe
    "C:\Windows\system32\ipconfig.exe" /flushdns
    3⤵
    - Gathers network information
    PID:2892
- C:\Windows\SysWOW64\cmd.exe
  /c C:\Users\Admin\AppData\Local\Temp\~unins8671.bat "C:\Users\Admin\AppData\Local\Temp\6373c5ce6b23e9b40c8f5c35620160f3_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  PID:3548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

5

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\~unins8671.bat

Filesize
49B

MD5
9e0a2f5ab30517809b95a1ff1dd98c53

SHA1
5c1eefdf10e67d1e9216e2e3f5e92352d583c9ce

SHA256
97ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32

SHA512
e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42

Download Submit
C:\Users\Adminxplore.exe

Filesize
89B

MD5
2bd83f0dd1740fff26d071dcdd59af56

SHA1
221e9e64a79255053a9e4da65957a7bdd6bc045b

SHA256
70a676e21716581858de2753ea5eec8befe6741ed299216f65a13c3853805c05

SHA512
fe632b63b8b850cc83f0eb2a114de60693ec0dd8b62fe8f0938b42526557889f48357da0ca3bb06bed1ad68562280023a69b54d93cff8b7266bb8ebb63ac903c

Download Submit
C:\Windows\SysWOW64\kbdhebl3B.exe

Filesize
131KB

MD5
bea813e98c89be6f403b3229849c1200

SHA1
3b8a39f228cfd17948f3501765348f9cd0d5f6a0

SHA256
31372318ad269b8e5b8682ba08a87c069eb759f0938d3f1e280f989729b63f9c

SHA512
57a8d9249c3caf2f70f9bf626ad9e5a9d9e7014382ad9890d1996dc1c5e464d26cd4276299187ae2cab88ac1dc42e64cd2eaf9e83af09d6ef913869fd58a04cb

Download Submit
memory/2408-0-0x0000000000413000-0x00000000004A6000-memory.dmp

Filesize
588KB

Download
memory/2408-1-0x0000000002220000-0x00000000022B5000-memory.dmp

Filesize
596KB

Download
memory/2408-5-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/2408-26-0x0000000000413000-0x00000000004A6000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads