5ede3c9d934508b44e347309e450a4e76b2ccb1f4c23d1ea9e045c2cc5e9f5ea

General

Target

e158974c1f8332b8949bfcfbac795c4a_JaffaCakes118.exe
Size

26KB
MD5

e158974c1f8332b8949bfcfbac795c4a
SHA1

e374293cdc58a930cd35d763fe79dad1c34828fd
SHA256

5ede3c9d934508b44e347309e450a4e76b2ccb1f4c23d1ea9e045c2cc5e9f5ea
SHA512

ac5b714f449f384e7a661e5361cae6a56cbb7577212fc3532ccb1ec4e5171eb945a176a0c62e8fa8e27fe63336165e5f510253598a3c155db2e973507e107e17
SSDEEP

384:EjFWQSKKBGXKsO2eW1Ab8En0g6OVSQdNu55xao0yPnE8n6/mFeklzp+DWlWYS:E7SKKWw2eWdD7Ofi/PE8n64lzcK

Score

8^/10

discovery evasion execution upx

Malware Config

Signatures

Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5020-0-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/5020-7-0x0000000000400000-0x0000000000413000-memory.dmp	upx

Network Share Discovery 1 TTPs
Attempt to gather information on host network.
discovery

Network Share Discovery
T1135

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
1460	sc.exe
3924	sc.exe

System Location Discovery: System Language Discovery 1 TTPs 8 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	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e158974c1f8332b8949bfcfbac795c4a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe

Runs net.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5020	e158974c1f8332b8949bfcfbac795c4a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 5020 wrote to memory of 644	5020	e158974c1f8332b8949bfcfbac795c4a_JaffaCakes118.exe	86
PID 5020 wrote to memory of 644	5020	e158974c1f8332b8949bfcfbac795c4a_JaffaCakes118.exe	86
PID 5020 wrote to memory of 644	5020	e158974c1f8332b8949bfcfbac795c4a_JaffaCakes118.exe	86
PID 644 wrote to memory of 1776	644	net.exe	88
PID 644 wrote to memory of 1776	644	net.exe	88
PID 644 wrote to memory of 1776	644	net.exe	88
PID 5020 wrote to memory of 2088	5020	e158974c1f8332b8949bfcfbac795c4a_JaffaCakes118.exe	89
PID 5020 wrote to memory of 2088	5020	e158974c1f8332b8949bfcfbac795c4a_JaffaCakes118.exe	89
PID 5020 wrote to memory of 2088	5020	e158974c1f8332b8949bfcfbac795c4a_JaffaCakes118.exe	89
PID 2088 wrote to memory of 4556	2088	net.exe	91
PID 2088 wrote to memory of 4556	2088	net.exe	91
PID 2088 wrote to memory of 4556	2088	net.exe	91
PID 5020 wrote to memory of 1460	5020	e158974c1f8332b8949bfcfbac795c4a_JaffaCakes118.exe	92
PID 5020 wrote to memory of 1460	5020	e158974c1f8332b8949bfcfbac795c4a_JaffaCakes118.exe	92
PID 5020 wrote to memory of 1460	5020	e158974c1f8332b8949bfcfbac795c4a_JaffaCakes118.exe	92
PID 5020 wrote to memory of 3924	5020	e158974c1f8332b8949bfcfbac795c4a_JaffaCakes118.exe	93
PID 5020 wrote to memory of 3924	5020	e158974c1f8332b8949bfcfbac795c4a_JaffaCakes118.exe	93
PID 5020 wrote to memory of 3924	5020	e158974c1f8332b8949bfcfbac795c4a_JaffaCakes118.exe	93
PID 5020 wrote to memory of 1708	5020	e158974c1f8332b8949bfcfbac795c4a_JaffaCakes118.exe	100
PID 5020 wrote to memory of 1708	5020	e158974c1f8332b8949bfcfbac795c4a_JaffaCakes118.exe	100
PID 5020 wrote to memory of 1708	5020	e158974c1f8332b8949bfcfbac795c4a_JaffaCakes118.exe	100

C:\Users\Admin\AppData\Local\Temp\e158974c1f8332b8949bfcfbac795c4a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e158974c1f8332b8949bfcfbac795c4a_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5020
- C:\Windows\SysWOW64\net.exe
  net stop wscsvc
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:644
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1776
- C:\Windows\SysWOW64\net.exe
  net stop sharedaccess
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2088
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4556
- C:\Windows\SysWOW64\sc.exe
  sc delete wscsvc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1460
- C:\Windows\SysWOW64\sc.exe
  sc delete sharedaccess
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3924
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\e158974c1f8332b8949bfcfbac795c4a_JaffaCakes118.bat C:\Users\Admin\AppData\Local\Temp\e158974c1f8332b8949bfcfbac795c4a_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e158974c1f8332b8949bfcfbac795c4a_JaffaCakes118.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Credential Access

Discovery

Network Share Discovery

1

T1135

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1

T1489

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\e158974c1f8332b8949bfcfbac795c4a_JaffaCakes118.bat

Filesize
69B

MD5
e3b0a4ae48f7cfe95b51f8d3cfd329d0

SHA1
16d9435d895dcf1680baf5b8ebc6342f561af049

SHA256
90423a49e145f44c6cefc80ba4351d04a4eaaee2b86e38aad1d9927fbad3d7bf

SHA512
5abd674b6e8896bedacd7e0ae593d49771f5c5a036adab1963a37e38f5f2cf185b157d101e97c6e1572b5ae4dfcbfa0470871b2faa0a8d96c6dae19b1329b9f3

Download Submit
memory/5020-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/5020-7-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing