b5e51a7a9d43e241a0979baa9a4003dcc5524141d261ac1bf1f4e11766967f17

General

Target

fc4e74833ac09906432c928854544669_JaffaCakes118.exe
Size

435KB
MD5

fc4e74833ac09906432c928854544669
SHA1

dd66a8b11595798f92eff2fb49a94124a5276157
SHA256

b5e51a7a9d43e241a0979baa9a4003dcc5524141d261ac1bf1f4e11766967f17
SHA512

86ebdd5ef3f48fdea537213541bdec6e77efcd6b9e1a220804f0018f8759a163923a600d20ced05c030c7d78f1790575b3e2f74bae3000b64c14c94cb221bd76
SSDEEP

6144:b8n+xA95QNmPaEuJfmXXyZzH5rExx+reEuJuAT/gP87J4Zc1kAoTLikfPAZ6JeGP:b8nOA0Jftzcx+XK3TBCeiLikQA/IW

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3060	jIjNjBf07003.exe

Executes dropped EXE 1 IoCs

pid	Process
3060	jIjNjBf07003.exe

Loads dropped DLL 2 IoCs

pid	Process
2248	fc4e74833ac09906432c928854544669_JaffaCakes118.exe
2248	fc4e74833ac09906432c928854544669_JaffaCakes118.exe

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\jIjNjBf07003 = "C:\\ProgramData\\jIjNjBf07003\\jIjNjBf07003.exe"	jIjNjBf07003.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2248-2-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3060-16-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2248-20-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2248-21-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3060-23-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2248-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2248-31-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/3060-32-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

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	fc4e74833ac09906432c928854544669_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jIjNjBf07003.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main	jIjNjBf07003.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2248	fc4e74833ac09906432c928854544669_JaffaCakes118.exe
Token: SeDebugPrivilege	3060	jIjNjBf07003.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3060	jIjNjBf07003.exe
3060	jIjNjBf07003.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3060	jIjNjBf07003.exe
3060	jIjNjBf07003.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3060	jIjNjBf07003.exe
3060	jIjNjBf07003.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 3060	2248	fc4e74833ac09906432c928854544669_JaffaCakes118.exe	31
PID 2248 wrote to memory of 3060	2248	fc4e74833ac09906432c928854544669_JaffaCakes118.exe	31
PID 2248 wrote to memory of 3060	2248	fc4e74833ac09906432c928854544669_JaffaCakes118.exe	31
PID 2248 wrote to memory of 3060	2248	fc4e74833ac09906432c928854544669_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\fc4e74833ac09906432c928854544669_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fc4e74833ac09906432c928854544669_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2248
- C:\ProgramData\jIjNjBf07003\jIjNjBf07003.exe
  "C:\ProgramData\jIjNjBf07003\jIjNjBf07003.exe" "C:\Users\Admin\AppData\Local\Temp\fc4e74833ac09906432c928854544669_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:3060

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\jIjNjBf07003\jIjNjBf07003.exe

Filesize
435KB

MD5
a014bf18b302ba673714bca29c0145e6

SHA1
ec70c3f1d14ac9ab46c7c8135b3cef57d5d3a1ce

SHA256
d46e1f1c9c8ae283f7826af118a44d5f0bd5719faf60ab66d0a822aa7957495c

SHA512
51f2ef352c45411a4e85625c090d5eb3887b189a89e24f7644550fa0d097f0134a9bef250c0ac3d9a0764807f6714814e67c05a26efdef8e84a756c8b8b3d52f

Download Submit
memory/2248-1-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2248-2-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2248-0-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/2248-20-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2248-21-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2248-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2248-31-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/3060-15-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/3060-16-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3060-23-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3060-32-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads