059b4343645afe79e25c48dbde8585526d9ded2228873582ecbfaa64a797b15f

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10/04/2024, 07:31

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General

Target

2024-04-10_508446d2d51c3ca9b512f54349bce1ac_cryptolocker.exe
Size

64KB
MD5

508446d2d51c3ca9b512f54349bce1ac
SHA1

06074d5c9d779ec3712f39c10be7fade511b486a
SHA256

059b4343645afe79e25c48dbde8585526d9ded2228873582ecbfaa64a797b15f
SHA512

461e37e3baa7e38fff7535616f540e80397c099154453dd6e34fa86bbbf929a7ae6b6e81501c517a05baad4d2391fa8ff399b4a7a9f279624b457985ff2f57f8
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2l9tMPvdfGyk:TCjsIOtEvwDpj5HE/OUHnSMY/

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/2072-1-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000900000001222c-11.dat	CryptoLocker_rule2
behavioral1/memory/1536-18-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2072-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1536-27-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/2072-1-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000900000001222c-11.dat	CryptoLocker_set1
behavioral1/memory/1536-18-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2072-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1536-27-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1536	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2072	2024-04-10_508446d2d51c3ca9b512f54349bce1ac_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 2072 wrote to memory of 1536	2072	2024-04-10_508446d2d51c3ca9b512f54349bce1ac_cryptolocker.exe	28
PID 2072 wrote to memory of 1536	2072	2024-04-10_508446d2d51c3ca9b512f54349bce1ac_cryptolocker.exe	28
PID 2072 wrote to memory of 1536	2072	2024-04-10_508446d2d51c3ca9b512f54349bce1ac_cryptolocker.exe	28
PID 2072 wrote to memory of 1536	2072	2024-04-10_508446d2d51c3ca9b512f54349bce1ac_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-10_508446d2d51c3ca9b512f54349bce1ac_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-10_508446d2d51c3ca9b512f54349bce1ac_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1536

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
64KB

MD5
7c1c8a64ccfc75b985e6aabdb2f6c3c1

SHA1
0d314c9800fd41d0d90d8d3f18aac229e80ac371

SHA256
7358162a9a65925a9aeebf627c9b014b85c67d2088dfa5e3eb6b20605c9372ff

SHA512
339b8515531e31e5b1116a36f3050ca5ca74baa4f73e44a2cf659f7ebc0295b5fe9d020d8c111e9007200a9168e3c643777c8128f75741ef7721c8b16a1c4c5d

Download Submit
memory/1536-18-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/1536-27-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2072-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2072-1-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2072-2-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2072-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2072-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2072-14-0x0000000001FE0000-0x0000000001FEE000-memory.dmp

Filesize
56KB

Download
memory/2072-26-0x0000000001FE0000-0x0000000001FEE000-memory.dmp

Filesize
56KB

Download