b8eeda64005bd97ea9a7d60a185b744b42e8ae914d68c319f8eb84cf63ce7661

General

Target

b5384ab222d4c6509ceb4c49af0cc34a_JaffaCakes118.exe
Size

317KB
MD5

b5384ab222d4c6509ceb4c49af0cc34a
SHA1

3a249f8c59c9d7f90bd67abdd8738032bc8b7e7c
SHA256

b8eeda64005bd97ea9a7d60a185b744b42e8ae914d68c319f8eb84cf63ce7661
SHA512

fa4b428d2a906753f03f470f83c8c6b0d5e673b91fa3154550789498243b7b1543b4a1ccac1fbf4a2fe85c35bc5cf3f88adfab30effdf1f5db793f8ce3d00cce
SSDEEP

6144:CiryeC/4nXA13lwjbjHMGcnr6hDLCF1bzzFD5BrOSMInBOwUsD1N:CibnX5Hrlcnr6hDLstzzYSMaBOwUsRN

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2608	aCkOaAl09000.exe

Executes dropped EXE 1 IoCs

pid	Process
2608	aCkOaAl09000.exe

Loads dropped DLL 2 IoCs

pid	Process
2292	b5384ab222d4c6509ceb4c49af0cc34a_JaffaCakes118.exe
2292	b5384ab222d4c6509ceb4c49af0cc34a_JaffaCakes118.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2292-5-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2292-1-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2292-3-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2292-4-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2292-6-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2608-23-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2292-27-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2608-29-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2608-45-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2292-60-0x0000000000400000-0x00000000004B4000-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-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\aCkOaAl09000 = "C:\\ProgramData\\aCkOaAl09000\\aCkOaAl09000.exe"	aCkOaAl09000.exe

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	b5384ab222d4c6509ceb4c49af0cc34a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aCkOaAl09000.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Internet Explorer\Main	aCkOaAl09000.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2292	b5384ab222d4c6509ceb4c49af0cc34a_JaffaCakes118.exe
Token: SeDebugPrivilege	2608	aCkOaAl09000.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2608	aCkOaAl09000.exe
2608	aCkOaAl09000.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2608	aCkOaAl09000.exe
2608	aCkOaAl09000.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2608	aCkOaAl09000.exe
2608	aCkOaAl09000.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2608	2292	b5384ab222d4c6509ceb4c49af0cc34a_JaffaCakes118.exe	31
PID 2292 wrote to memory of 2608	2292	b5384ab222d4c6509ceb4c49af0cc34a_JaffaCakes118.exe	31
PID 2292 wrote to memory of 2608	2292	b5384ab222d4c6509ceb4c49af0cc34a_JaffaCakes118.exe	31
PID 2292 wrote to memory of 2608	2292	b5384ab222d4c6509ceb4c49af0cc34a_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\b5384ab222d4c6509ceb4c49af0cc34a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b5384ab222d4c6509ceb4c49af0cc34a_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2292
- C:\ProgramData\aCkOaAl09000\aCkOaAl09000.exe
  "C:\ProgramData\aCkOaAl09000\aCkOaAl09000.exe" "C:\Users\Admin\AppData\Local\Temp\b5384ab222d4c6509ceb4c49af0cc34a_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:2608

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

2

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\ProgramData\aCkOaAl09000\aCkOaAl09000.exe

Filesize
317KB

MD5
2894800283f105b1f9bf613a7bf22f54

SHA1
c80326561a9284d181ce0e4af37ccecda40f7453

SHA256
9eafd259035af94a554fa65a410b3c093a63f864100e78cd3ae128b4347d961a

SHA512
15c9bdf5b50cc55a7816652cc5a8fb9bcef9ee66bd6343525bfc049590539ce1a7d59b142757ee5fddcd458d4aa65155d374e82ea38086ae920a55e9a89f5e30

Download Submit
memory/2292-3-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2292-1-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2292-0-0x0000000000403000-0x0000000000404000-memory.dmp

Filesize
4KB

Download
memory/2292-4-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2292-6-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2292-5-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2292-26-0x0000000000403000-0x0000000000404000-memory.dmp

Filesize
4KB

Download
memory/2292-27-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2292-60-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2608-23-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2608-29-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2608-45-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads