b99f4a7389de863ce21a3940d19c0328087dd513d83021fbe75b65834008f2a5

General

Target

2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe
Size

4.7MB
MD5

2d4850d70b43035a8598b0a81e03e993
SHA1

231c48ce3552ebd7764581a52bb559949c5a5650
SHA256

b99f4a7389de863ce21a3940d19c0328087dd513d83021fbe75b65834008f2a5
SHA512

f85132b8cd803ae8d13a1a16e0d708b6c1be03b95ecc2640d688f506d3bcbde8fa45c5bbd636106705049e42cf443a3ad4ca5b5a57b8549f6085b68d8cbfee7d
SSDEEP

98304:YXfkMf4uBFeJ1QleIDHgbAfmQtPUpNCp5DORqMtaUljVUPXnCkyVtFN1M6:+vQuneJ1QLHavQSpNCPD8qMQUlq4tFNJ

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
behavioral2/memory/4416-0-0x0000000000F00000-0x0000000001D1E000-memory.dmp	upx
behavioral2/memory/4416-2-0x0000000000F00000-0x0000000001D1E000-memory.dmp	upx
behavioral2/memory/4416-17-0x0000000000F00000-0x0000000001D1E000-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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\Count	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4416 set thread context of 4040	4416	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe	98

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4040	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe
4040	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe
4040	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe
4040	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4040	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe
4040	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe
4040	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe
4040	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4416 wrote to memory of 4040	4416	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe	98
PID 4416 wrote to memory of 4040	4416	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe	98
PID 4416 wrote to memory of 4040	4416	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe	98
PID 4416 wrote to memory of 4040	4416	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe	98
PID 4416 wrote to memory of 4040	4416	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe	98
PID 4416 wrote to memory of 4040	4416	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe	98
PID 4416 wrote to memory of 4040	4416	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe	98
PID 4416 wrote to memory of 4040	4416	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe	98
PID 4416 wrote to memory of 4040	4416	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe	98
PID 4416 wrote to memory of 4040	4416	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe	98
PID 4416 wrote to memory of 4040	4416	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe	98
PID 4416 wrote to memory of 4040	4416	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe	98
PID 4416 wrote to memory of 4040	4416	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe	98
PID 4416 wrote to memory of 4040	4416	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe	98
PID 4416 wrote to memory of 4040	4416	2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe	98

C:\Users\Admin\AppData\Local\Temp\2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4416
- C:\Users\Admin\AppData\Local\Temp\2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\2d4850d70b43035a8598b0a81e03e993_JaffaCakes118.exe"
  2⤵
  - Maps connected drives based on registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:4040

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3816 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
1⤵
PID:2364

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/4040-12-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/4040-21-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/4040-15-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/4040-16-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/4040-5-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/4040-7-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/4040-9-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/4040-11-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/4040-25-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/4040-24-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/4040-4-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/4040-23-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/4040-19-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/4040-22-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/4416-1-0x0000000000EB0000-0x0000000000EB1000-memory.dmp

Filesize
4KB

Download
memory/4416-17-0x0000000000F00000-0x0000000001D1E000-memory.dmp

Filesize
14.1MB

Download
memory/4416-2-0x0000000000F00000-0x0000000001D1E000-memory.dmp

Filesize
14.1MB

Download
memory/4416-0-0x0000000000F00000-0x0000000001D1E000-memory.dmp

Filesize
14.1MB

Download

Analysis

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