1bf8f3ba3b27f95707c5a94ad00bc9c67673a55851ebccadbc9911dc3c312812

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20240319-en
resource tags

arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
submitted
09/04/2024, 06:35

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General

Target

2024-04-09_5818aa36028f94e03a026b230516fcd9_cryptolocker.exe
Size

78KB
MD5

5818aa36028f94e03a026b230516fcd9
SHA1

733b97b15c68de579f859e7afdc9d82c0df7a3b2
SHA256

1bf8f3ba3b27f95707c5a94ad00bc9c67673a55851ebccadbc9911dc3c312812
SHA512

2b815e302b42f983595899267ef12a525e7035cf0545e00721b6706a87b7bb13f217875fa992c763380dbfeadddbc7a31342e00ec13928f3342b39d1d3ff1071
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHl:vCjsIOtEvwDpj5H9YvQd2B

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000121cc-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000121cc-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1624	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2348	2024-04-09_5818aa36028f94e03a026b230516fcd9_cryptolocker.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 1624	2348	2024-04-09_5818aa36028f94e03a026b230516fcd9_cryptolocker.exe	28
PID 2348 wrote to memory of 1624	2348	2024-04-09_5818aa36028f94e03a026b230516fcd9_cryptolocker.exe	28
PID 2348 wrote to memory of 1624	2348	2024-04-09_5818aa36028f94e03a026b230516fcd9_cryptolocker.exe	28
PID 2348 wrote to memory of 1624	2348	2024-04-09_5818aa36028f94e03a026b230516fcd9_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-09_5818aa36028f94e03a026b230516fcd9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-09_5818aa36028f94e03a026b230516fcd9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
78KB

MD5
569055a47ee99ff83539081820e628ce

SHA1
05e6d46d9cfe8e3364afbfbde65e1b5fc634cb63

SHA256
bbf8e145a92f4ee0328dabae574606084514c5ea24afe6f0e3e35ca9fc5b865d

SHA512
6e8fac64aabc89a5f3277e1ee120c187f337484c7b6a03620c8897b95dc36f47e244a12a46fa91a85300784043e277048567b5ca6cc87fd695c324fb72df62d0

Download Submit
memory/1624-15-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1624-17-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2348-0-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2348-1-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2348-8-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download