438fc9b1f075a5a3e8bc3ee46ba5b073320199f8d574bac862cf553bdbf82626

General

Target

3a6e80c3c8c123e2b0549e6d6b980dff_JaffaCakes118.exe
Size

20KB
MD5

3a6e80c3c8c123e2b0549e6d6b980dff
SHA1

f85bf93e05379c7f43bfcf2eb59a84cc047f0135
SHA256

438fc9b1f075a5a3e8bc3ee46ba5b073320199f8d574bac862cf553bdbf82626
SHA512

481b5a9e29490324544f0a0defe5930e0e965b5ee1e36cb724d6a0e0949b20754ffa05543aa6a84b2e6a4ed7c992c48d7862aa69b093d2ad0fd9432ee29da808
SSDEEP

384:Swx+yPRfIABTUHwPpv6mGBUaZTAhZWPTA4GwUBGCtXlorbB/DWpk8gUQT+ljM:Sw0yPtNtQSN6mG6M6WP8vxObhDezgUQa

Score

7^/10

persistence upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x00080000000234ce-12.dat	acprotect

Deletes itself 1 IoCs

pid	Process
1356	rundl132.exe

Executes dropped EXE 1 IoCs

pid	Process
1356	rundl132.exe

Loads dropped DLL 1 IoCs

pid	Process
1356	rundl132.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3576-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000d000000023424-5.dat	upx
behavioral2/memory/3576-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00080000000234ce-12.dat	upx
behavioral2/memory/1356-15-0x0000000010000000-0x000000001000D000-memory.dmp	upx
behavioral2/memory/1356-16-0x0000000000400000-0x000000000040B000-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-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ykbgc = "C:\\Windows\\rundl13a.exe"	3a6e80c3c8c123e2b0549e6d6b980dff_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Rav26.dll	rundl132.exe
File opened for modification	C:\Windows\SysWOW64\Rav26.dll	rundl132.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\rundl132.exe	3a6e80c3c8c123e2b0549e6d6b980dff_JaffaCakes118.exe
File opened for modification	C:\Windows\rundl132.exe	3a6e80c3c8c123e2b0549e6d6b980dff_JaffaCakes118.exe
File created	C:\Windows\rundl13a.exe	3a6e80c3c8c123e2b0549e6d6b980dff_JaffaCakes118.exe
File opened for modification	C:\Windows\rundl13a.exe	3a6e80c3c8c123e2b0549e6d6b980dff_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3576	3a6e80c3c8c123e2b0549e6d6b980dff_JaffaCakes118.exe
3576	3a6e80c3c8c123e2b0549e6d6b980dff_JaffaCakes118.exe
3576	3a6e80c3c8c123e2b0549e6d6b980dff_JaffaCakes118.exe
3576	3a6e80c3c8c123e2b0549e6d6b980dff_JaffaCakes118.exe
3576	3a6e80c3c8c123e2b0549e6d6b980dff_JaffaCakes118.exe
3576	3a6e80c3c8c123e2b0549e6d6b980dff_JaffaCakes118.exe
3576	3a6e80c3c8c123e2b0549e6d6b980dff_JaffaCakes118.exe
3576	3a6e80c3c8c123e2b0549e6d6b980dff_JaffaCakes118.exe
3576	3a6e80c3c8c123e2b0549e6d6b980dff_JaffaCakes118.exe
3576	3a6e80c3c8c123e2b0549e6d6b980dff_JaffaCakes118.exe
1356	rundl132.exe
1356	rundl132.exe
1356	rundl132.exe
1356	rundl132.exe
1356	rundl132.exe
1356	rundl132.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3576	3a6e80c3c8c123e2b0549e6d6b980dff_JaffaCakes118.exe
Token: SeDebugPrivilege	1356	rundl132.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1356	rundl132.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 1356	3576	3a6e80c3c8c123e2b0549e6d6b980dff_JaffaCakes118.exe	86
PID 3576 wrote to memory of 1356	3576	3a6e80c3c8c123e2b0549e6d6b980dff_JaffaCakes118.exe	86
PID 3576 wrote to memory of 1356	3576	3a6e80c3c8c123e2b0549e6d6b980dff_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\3a6e80c3c8c123e2b0549e6d6b980dff_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3a6e80c3c8c123e2b0549e6d6b980dff_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3576
- C:\Windows\rundl132.exe
  C:\Windows\rundl132.exe C:\Users\Admin\AppData\Local\Temp\3a6e80c3c8c123e2b0549e6d6b980dff_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\Rav26.dll

Filesize
14KB

MD5
145f02a4ec8ba91674bab4abf3181ca6

SHA1
819f03c5e7fe4361d88c68344ff4fd436044dff7

SHA256
2a88b6879830727ce6631908786094f3d1e939c92cf73936ce6c08e0a45c8b02

SHA512
3258ec460aeb3cb775e2cfdb481458103da33cc3ffc8af58489908bd360a1ec42f415cca51064bf980c841d85798acd75cabe6e0dcf5dc83c2d3467f34158087

Download Submit
C:\Windows\rundl132.exe

Filesize
20KB

MD5
3a6e80c3c8c123e2b0549e6d6b980dff

SHA1
f85bf93e05379c7f43bfcf2eb59a84cc047f0135

SHA256
438fc9b1f075a5a3e8bc3ee46ba5b073320199f8d574bac862cf553bdbf82626

SHA512
481b5a9e29490324544f0a0defe5930e0e965b5ee1e36cb724d6a0e0949b20754ffa05543aa6a84b2e6a4ed7c992c48d7862aa69b093d2ad0fd9432ee29da808

Download Submit
memory/1356-15-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/1356-16-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3576-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3576-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads