5bec2f2ff74dc330f879a29beba0631f8a35c8a8b12a1ae3c293530f8b15f272

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
26/03/2024, 03:24

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General

Target

2024-03-26_0218ec83d75afc54718171bf9c342124_cryptolocker.exe
Size

81KB
MD5

0218ec83d75afc54718171bf9c342124
SHA1

9a25c39cdb94bb0a4ce9f41c18e4ce1989ec9254
SHA256

5bec2f2ff74dc330f879a29beba0631f8a35c8a8b12a1ae3c293530f8b15f272
SHA512

488c0498e53dbaeba2b7a2e091c56a409148ac6ae0e5694dc53f360bc814c940eb6a1e8db4b2d3e71b46fd1c4dec85368e9bb95caa5860a68d6068c8be3bc673
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMAq:TCjsIOtEvwDpj5HE/OUHnSMF

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/1284-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000c000000012253-11.dat	CryptoLocker_rule2
behavioral1/memory/1284-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2576-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2576-26-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/1284-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000c000000012253-11.dat	CryptoLocker_set1
behavioral1/memory/1284-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2576-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2576-26-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2576	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1284	2024-03-26_0218ec83d75afc54718171bf9c342124_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 1284 wrote to memory of 2576	1284	2024-03-26_0218ec83d75afc54718171bf9c342124_cryptolocker.exe	28
PID 1284 wrote to memory of 2576	1284	2024-03-26_0218ec83d75afc54718171bf9c342124_cryptolocker.exe	28
PID 1284 wrote to memory of 2576	1284	2024-03-26_0218ec83d75afc54718171bf9c342124_cryptolocker.exe	28
PID 1284 wrote to memory of 2576	1284	2024-03-26_0218ec83d75afc54718171bf9c342124_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-26_0218ec83d75afc54718171bf9c342124_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-26_0218ec83d75afc54718171bf9c342124_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2576

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
81KB

MD5
b582e3f61350c8fa8e25cf9cf5674ade

SHA1
b573d432664c6fc9d3ca6164d5980be3747c41bf

SHA256
6101da0d37bc44cc57db8129b1a2804ab44267d103b5abfbb42e285afb578393

SHA512
9984d7c1c2e8f8e0a00ff29a6c52282f7c51bf8c76b6a0b0f031b156d86c7a7b78f0cbaaab6d053bc3c7f2bbeadc4dfbdc2756ec9fbddf431bba504d8c539387

Download Submit
memory/1284-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/1284-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1284-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1284-3-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/1284-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2576-18-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2576-17-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2576-20-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2576-26-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download