e35da015386f879004bb4feb9ec2905788d41e0cfb7f0ba62f7dc6fb2b78a3d8

General

Target

23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe
Size

4.7MB
MD5

23beca2fd1348aeaed1c48e4f3a3b6d3
SHA1

5a4b8bb85bfef815d0e0f81f611754d71fe694f1
SHA256

e35da015386f879004bb4feb9ec2905788d41e0cfb7f0ba62f7dc6fb2b78a3d8
SHA512

bcbd999169935ee7ad3aed7eb354466fa650e1443fa94873b4a3fbc76b9018871c49b738138556c1cbfcdb839fe3f04bed60ec566b55a1a3f862fffea7df66d4
SSDEEP

98304:YXfkMf4uBFeJ1QleIDHgbAfmQtPUpNCp5DORqMtaUljVUPXnCkyVtFN1Mr:+vQuneJ1QLHavQSpNCPD8qMQUlq4tFNs

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1660-0-0x0000000000F00000-0x0000000001D1E000-memory.dmp	upx
behavioral1/memory/1660-1-0x0000000000F00000-0x0000000001D1E000-memory.dmp	upx
behavioral1/memory/1660-25-0x0000000000F00000-0x0000000001D1E000-memory.dmp	upx
behavioral1/memory/1900-24-0x0000000000F00000-0x0000000001D1E000-memory.dmp	upx

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

Maps connected drives based on registry 3 TTPs 3 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\Count	23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1660 set thread context of 1900	1660	23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe	28

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main	23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1900	23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe
1900	23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1900	23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe
1900	23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe
1900	23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe
1900	23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 1900	1660	23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe	28
PID 1660 wrote to memory of 1900	1660	23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe	28
PID 1660 wrote to memory of 1900	1660	23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe	28
PID 1660 wrote to memory of 1900	1660	23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe	28
PID 1660 wrote to memory of 1900	1660	23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe	28
PID 1660 wrote to memory of 1900	1660	23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe	28
PID 1660 wrote to memory of 1900	1660	23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe	28
PID 1660 wrote to memory of 1900	1660	23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe	28
PID 1660 wrote to memory of 1900	1660	23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe	28
PID 1660 wrote to memory of 1900	1660	23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe	28
PID 1660 wrote to memory of 1900	1660	23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe	28
PID 1660 wrote to memory of 1900	1660	23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Users\Admin\AppData\Local\Temp\23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\23beca2fd1348aeaed1c48e4f3a3b6d3_JaffaCakes118.exe"
  2⤵
  - Maps connected drives based on registry
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1660-0-0x0000000000F00000-0x0000000001D1E000-memory.dmp

Filesize
14.1MB

Download
memory/1660-1-0x0000000000F00000-0x0000000001D1E000-memory.dmp

Filesize
14.1MB

Download
memory/1660-2-0x0000000004550000-0x000000000536E000-memory.dmp

Filesize
14.1MB

Download
memory/1660-25-0x0000000000F00000-0x0000000001D1E000-memory.dmp

Filesize
14.1MB

Download
memory/1900-17-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1900-21-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1900-7-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1900-9-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1900-11-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1900-14-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1900-4-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1900-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1900-22-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1900-5-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1900-3-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1900-24-0x0000000000F00000-0x0000000001D1E000-memory.dmp

Filesize
14.1MB

Download
memory/1900-26-0x0000000004B50000-0x000000000596E000-memory.dmp

Filesize
14.1MB

Download
memory/1900-28-0x00000000034F0000-0x0000000003500000-memory.dmp

Filesize
64KB

Download
memory/1900-29-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1900-30-0x0000000004B50000-0x000000000596E000-memory.dmp

Filesize
14.1MB

Download
memory/1900-31-0x00000000034F0000-0x0000000003500000-memory.dmp

Filesize
64KB

Download
memory/1900-43-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download

Analysis

Sharing