9849239d2ee071516f5801518efcf2e1a0d960f456b8c759cf1c5548f91170c4

Analysis

max time kernel
150s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
04/07/2024, 07:09

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General

Target

250f286469d91d81aa86bf5af9f12289_JaffaCakes118.exe
Size

11KB
MD5

250f286469d91d81aa86bf5af9f12289
SHA1

4f4e69ec6ff800f86f005fd30daf4ce59e6ef9f9
SHA256

9849239d2ee071516f5801518efcf2e1a0d960f456b8c759cf1c5548f91170c4
SHA512

9b0f6bab8349820083a5c6ef5e17bb2e86ad71ef6b8f6ccfc1d4299146fe17f0c1280f92faa0dcc0c92d35b05ad7aee606963d7325c40269d23db39532c99020
SSDEEP

192:sGpWCnGSJWTipSdeeVRuyE6spTN3PuwtkJJWmBmBJ6EByDdoZWh8a/YD:sOmRzjspTZ0VmBJFByDyWxo

Score

8^/10

persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Executes dropped EXE 1 IoCs

pid	Process
2692	cupopsk.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3440-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/files/0x0007000000023621-4.dat	upx
behavioral2/memory/2692-6-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/3440-7-0x0000000000400000-0x0000000000410000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\cupops.dll	250f286469d91d81aa86bf5af9f12289_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\cupopsk.exe	250f286469d91d81aa86bf5af9f12289_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\cupopsk.exe	250f286469d91d81aa86bf5af9f12289_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3440 wrote to memory of 2692	3440	250f286469d91d81aa86bf5af9f12289_JaffaCakes118.exe	90
PID 3440 wrote to memory of 2692	3440	250f286469d91d81aa86bf5af9f12289_JaffaCakes118.exe	90
PID 3440 wrote to memory of 2692	3440	250f286469d91d81aa86bf5af9f12289_JaffaCakes118.exe	90
PID 3440 wrote to memory of 748	3440	250f286469d91d81aa86bf5af9f12289_JaffaCakes118.exe	103
PID 3440 wrote to memory of 748	3440	250f286469d91d81aa86bf5af9f12289_JaffaCakes118.exe	103
PID 3440 wrote to memory of 748	3440	250f286469d91d81aa86bf5af9f12289_JaffaCakes118.exe	103

C:\Users\Admin\AppData\Local\Temp\250f286469d91d81aa86bf5af9f12289_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\250f286469d91d81aa86bf5af9f12289_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3440
- C:\Windows\SysWOW64\cupopsk.exe
  C:\Windows\system32\cupopsk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:2692
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\250f286469d91d81aa86bf5af9f12289_JaffaCakes118.exe.bat
  2⤵
  PID:748

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 --field-trial-handle=1292,i,3595107284059830391,18018199024659337217,262144 --variations-seed-version --mojo-platform-channel-handle=4296 /prefetch:8
1⤵
PID:2304

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\250f286469d91d81aa86bf5af9f12289_JaffaCakes118.exe.bat

Filesize
210B

MD5
23cb212435d67e841bbc948ecfa3bdb1

SHA1
3097c75f71c946fb6d852afd7ba4990001d7ad07

SHA256
45c6ffff4c86fe281cf7b028a922b237c236e9bea156b0c167432de7af53e921

SHA512
4b63a2720543afeadd98c33242f660707e43f9bbc40305e2c3ee5fec99fbf83a131bbd008d71bff95bddbb15de8193847bf39192fbbcbebc57f80d7ba950a8bb

Download Submit
C:\Windows\SysWOW64\cupopsk.exe

Filesize
11KB

MD5
250f286469d91d81aa86bf5af9f12289

SHA1
4f4e69ec6ff800f86f005fd30daf4ce59e6ef9f9

SHA256
9849239d2ee071516f5801518efcf2e1a0d960f456b8c759cf1c5548f91170c4

SHA512
9b0f6bab8349820083a5c6ef5e17bb2e86ad71ef6b8f6ccfc1d4299146fe17f0c1280f92faa0dcc0c92d35b05ad7aee606963d7325c40269d23db39532c99020

Download Submit
memory/2692-6-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3440-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3440-7-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download