30106b3a3f0e30e1110768d83a85c6a142fad10ffa8dea62f3cbf87fb80387bb

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
03/06/2024, 19:21

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General

Target

2024-06-03_2af463bf281e0453e76e6d1fc1f96899_cryptolocker.exe
Size

87KB
MD5

2af463bf281e0453e76e6d1fc1f96899
SHA1

26c26045e015722239d3c634a30f3a6b8940b0be
SHA256

30106b3a3f0e30e1110768d83a85c6a142fad10ffa8dea62f3cbf87fb80387bb
SHA512

1ce97bbad19a593983ab17b05fe71afcc7dcf61060d0107c60332e32b40e7db45a743527a088f8b1860842afd3d98a8eccf31389eb90c95667bb38c1f324c8ed
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNBlQ:vCjsIOtEvwDpj5H9YvQd2O

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012286-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012286-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2696	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2244	2024-06-03_2af463bf281e0453e76e6d1fc1f96899_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 2244 wrote to memory of 2696	2244	2024-06-03_2af463bf281e0453e76e6d1fc1f96899_cryptolocker.exe	28
PID 2244 wrote to memory of 2696	2244	2024-06-03_2af463bf281e0453e76e6d1fc1f96899_cryptolocker.exe	28
PID 2244 wrote to memory of 2696	2244	2024-06-03_2af463bf281e0453e76e6d1fc1f96899_cryptolocker.exe	28
PID 2244 wrote to memory of 2696	2244	2024-06-03_2af463bf281e0453e76e6d1fc1f96899_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-03_2af463bf281e0453e76e6d1fc1f96899_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-03_2af463bf281e0453e76e6d1fc1f96899_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2696

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
87KB

MD5
17e5f511d99477ff8866c49463433370

SHA1
d6e9b828df06090e368977f004d417b6437d53d4

SHA256
ddf2c52429d34c3db7751ee21bff9306565582b12a8217ac3651e0b03f8abf4d

SHA512
9b973f1718dd28539b4d04df0c8de6b326062c6303bd21bf4eded8a4cf103fe600c61aeb6853fadf5dae092c709b4122b368266c6f4adbf9a0143479de36c1d7

Download Submit
memory/2244-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2244-2-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2244-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2696-22-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2696-15-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download