df6d1f54088a8e5df0d5251792308da3ca6df1479da0e673e16013ab836cfd7e

General

Target

5d801e9990a95359b343285a71ee97a7_JaffaCakes118.exe
Size

328KB
MD5

5d801e9990a95359b343285a71ee97a7
SHA1

c3fe03dc90688ef3f0a181b83a2205d734dd97b2
SHA256

df6d1f54088a8e5df0d5251792308da3ca6df1479da0e673e16013ab836cfd7e
SHA512

1f24d81ae52e7313f34f87401c09b3ac79804722535ee0d0161af5d18413b0db3bdf2c8c0740680d723470c0ef5411a4fbee86a355c2033e31c32daa469be840
SSDEEP

6144:SVtisu1+wTe+owFK2nAZrgnLsqT2A/te9YJcnqpd+2AqkysHBg82JWXH:SVtiB1+oFUrSIU2xzqz+2AqkDHIJUH

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	5d801e9990a95359b343285a71ee97a7_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\upwkacspf = "C:\\Windows\\SysWOW64\\KBDFI6.exe"	5d801e9990a95359b343285a71ee97a7_JaffaCakes118.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	KBDFI6.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	5d801e9990a95359b343285a71ee97a7_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2944	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2364	KBDFI6.exe

Loads dropped DLL 2 IoCs

pid	Process
2112	5d801e9990a95359b343285a71ee97a7_JaffaCakes118.exe
2112	5d801e9990a95359b343285a71ee97a7_JaffaCakes118.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	5d801e9990a95359b343285a71ee97a7_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\KBDFI6.exe	5d801e9990a95359b343285a71ee97a7_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\KBDFI6.exe	5d801e9990a95359b343285a71ee97a7_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
2876	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2112	5d801e9990a95359b343285a71ee97a7_JaffaCakes118.exe
2112	5d801e9990a95359b343285a71ee97a7_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2112	5d801e9990a95359b343285a71ee97a7_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2364	KBDFI6.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2364	2112	5d801e9990a95359b343285a71ee97a7_JaffaCakes118.exe	31
PID 2112 wrote to memory of 2364	2112	5d801e9990a95359b343285a71ee97a7_JaffaCakes118.exe	31
PID 2112 wrote to memory of 2364	2112	5d801e9990a95359b343285a71ee97a7_JaffaCakes118.exe	31
PID 2112 wrote to memory of 2364	2112	5d801e9990a95359b343285a71ee97a7_JaffaCakes118.exe	31
PID 2364 wrote to memory of 2876	2364	KBDFI6.exe	33
PID 2364 wrote to memory of 2876	2364	KBDFI6.exe	33
PID 2364 wrote to memory of 2876	2364	KBDFI6.exe	33
PID 2364 wrote to memory of 2876	2364	KBDFI6.exe	33
PID 2112 wrote to memory of 2944	2112	5d801e9990a95359b343285a71ee97a7_JaffaCakes118.exe	35
PID 2112 wrote to memory of 2944	2112	5d801e9990a95359b343285a71ee97a7_JaffaCakes118.exe	35
PID 2112 wrote to memory of 2944	2112	5d801e9990a95359b343285a71ee97a7_JaffaCakes118.exe	35
PID 2112 wrote to memory of 2944	2112	5d801e9990a95359b343285a71ee97a7_JaffaCakes118.exe	35

C:\Users\Admin\AppData\Local\Temp\5d801e9990a95359b343285a71ee97a7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5d801e9990a95359b343285a71ee97a7_JaffaCakes118.exe"
1⤵
- Adds policy Run key to start application
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\KBDFI6.exe
  C:\Windows\SysWOW64\KBDFI6.exe
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2364
- - C:\Windows\SysWOW64\ipconfig.exe
    "C:\Windows\system32\ipconfig.exe" /flushdns
    3⤵
    - Gathers network information
    PID:2876
- C:\Windows\SysWOW64\cmd.exe
  /c C:\Users\Admin\AppData\Local\Temp\~unins3125.bat "C:\Users\Admin\AppData\Local\Temp\5d801e9990a95359b343285a71ee97a7_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  PID:2944

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

2

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\~unins3125.bat

Filesize
49B

MD5
9e0a2f5ab30517809b95a1ff1dd98c53

SHA1
5c1eefdf10e67d1e9216e2e3f5e92352d583c9ce

SHA256
97ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32

SHA512
e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42

Download Submit
\Windows\SysWOW64\KBDFI6.exe

Filesize
136KB

MD5
1181af1db9152b5620f50fe70b6cbf29

SHA1
f81efcd24031a4b8ab9b4ec10941350cf25c2baa

SHA256
afe6b65424c262da54c6d8c0dd5a8b19f070a80e390d7ba12e1b92d6b774f58b

SHA512
8689b669c8b2151f0454fd800429402d4497cd42eaf7d8bccdda758e7f9d3594ec20b4bb62e49d9315b84397a4d09d450ca8e7504c025cac02af378e09868652

Download Submit
memory/2112-0-0x0000000000452000-0x000000000049F000-memory.dmp

Filesize
308KB

Download
memory/2112-1-0x0000000000240000-0x00000000002D8000-memory.dmp

Filesize
608KB

Download
memory/2112-5-0x0000000000400000-0x00000000004A0000-memory.dmp

Filesize
640KB

Download
memory/2112-24-0x0000000000452000-0x000000000049F000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads