6a17bce17766d3644f3656d1ad59897e6c542d97dc38de7b2cf9f3d8dd7369ca

General

Target

254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe
Size

4.5MB
MD5

254876257f40f4873cd814a8b67a23b1
SHA1

af9a8b31c5380ce4cd190155fd562be121d75310
SHA256

6a17bce17766d3644f3656d1ad59897e6c542d97dc38de7b2cf9f3d8dd7369ca
SHA512

182955f8b0b03ba41d999ad8bbf8133827de14aa5f4a3a86bfea33ac4d567130b192e6c80e1651a2aa92daf245a3f0c604261884be5fc6a7edc2e81db999526a
SSDEEP

98304:B+22iQBNWcNiwj87w930gpo6LdrLJ2WWKnf:B+diQJIwAVEoorAaf

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2332-0-0x0000000000F00000-0x0000000001C6B000-memory.dmp	upx
behavioral1/memory/2332-28-0x0000000000F00000-0x0000000001C6B000-memory.dmp	upx
behavioral1/memory/1672-25-0x0000000000F00000-0x0000000001C6B000-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	254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\Count	254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2332 set thread context of 1672	2332	254876257f40f4873cd814a8b67a23b1_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	254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1672	254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe
1672	254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1672	254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe
1672	254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe
1672	254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe
1672	254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 1672	2332	254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe	28
PID 2332 wrote to memory of 1672	2332	254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe	28
PID 2332 wrote to memory of 1672	2332	254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe	28
PID 2332 wrote to memory of 1672	2332	254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe	28
PID 2332 wrote to memory of 1672	2332	254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe	28
PID 2332 wrote to memory of 1672	2332	254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe	28
PID 2332 wrote to memory of 1672	2332	254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe	28
PID 2332 wrote to memory of 1672	2332	254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe	28
PID 2332 wrote to memory of 1672	2332	254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe	28
PID 2332 wrote to memory of 1672	2332	254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe	28
PID 2332 wrote to memory of 1672	2332	254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe	28
PID 2332 wrote to memory of 1672	2332	254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Users\Admin\AppData\Local\Temp\254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\254876257f40f4873cd814a8b67a23b1_JaffaCakes118.exe"
  2⤵
  - Maps connected drives based on registry
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1672

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

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Downloads

memory/1672-22-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1672-34-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1672-47-0x0000000004600000-0x0000000004610000-memory.dmp

Filesize
64KB

Download
memory/1672-2-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1672-4-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1672-5-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1672-8-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1672-10-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1672-12-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1672-15-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1672-18-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1672-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1672-37-0x00000000046B0000-0x000000000541B000-memory.dmp

Filesize
13.4MB

Download
memory/1672-35-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1672-29-0x00000000046B0000-0x000000000541B000-memory.dmp

Filesize
13.4MB

Download
memory/1672-27-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1672-26-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1672-25-0x0000000000F00000-0x0000000001C6B000-memory.dmp

Filesize
13.4MB

Download
memory/1672-23-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1672-31-0x0000000004600000-0x0000000004610000-memory.dmp

Filesize
64KB

Download
memory/1672-32-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1672-33-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2332-28-0x0000000000F00000-0x0000000001C6B000-memory.dmp

Filesize
13.4MB

Download
memory/2332-0-0x0000000000F00000-0x0000000001C6B000-memory.dmp

Filesize
13.4MB

Download
memory/2332-1-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2332-3-0x0000000004270000-0x0000000004FDB000-memory.dmp

Filesize
13.4MB

Download

Analysis

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