3168ff6ccd5f0672447b7eace51a47fbb9f29f83c605861e1e807a2ce064fbcb

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18-02-2024 11:38

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General

Target

2024-02-18_52e717236510ccd1493796aefdb1bdfa_cryptolocker.exe
Size

76KB
MD5

52e717236510ccd1493796aefdb1bdfa
SHA1

7240977da948bd5d754d98d24864de89a9b6b85e
SHA256

3168ff6ccd5f0672447b7eace51a47fbb9f29f83c605861e1e807a2ce064fbcb
SHA512

dd38c3cc30c868d26de1b54058f39c2cfe8b5165830c9e508e2ac8556f980679bacd3ae392e884b5b8c2f2238c7892f71c910bca7ad78fcb8866fefd46725890
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIufc:vCjsIOtEvwDpj5H9YvQd2Y

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012248-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012248-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2316	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2208	2024-02-18_52e717236510ccd1493796aefdb1bdfa_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 2208 wrote to memory of 2316	2208	2024-02-18_52e717236510ccd1493796aefdb1bdfa_cryptolocker.exe	28
PID 2208 wrote to memory of 2316	2208	2024-02-18_52e717236510ccd1493796aefdb1bdfa_cryptolocker.exe	28
PID 2208 wrote to memory of 2316	2208	2024-02-18_52e717236510ccd1493796aefdb1bdfa_cryptolocker.exe	28
PID 2208 wrote to memory of 2316	2208	2024-02-18_52e717236510ccd1493796aefdb1bdfa_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-18_52e717236510ccd1493796aefdb1bdfa_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-18_52e717236510ccd1493796aefdb1bdfa_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2316

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

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

Filesize
76KB

MD5
a9956f7b36b1875d0c8be18b0eaec7a0

SHA1
bc6c1d14215cb09a5f784c2f26ee734e9526b093

SHA256
2ec65979597a60a4cb606239bada9a8fd0ff92ad863998069c3422241af8954e

SHA512
d2d77d97854d279bb2d25f109080f45908cdfc4e84c6a753536d8a10c5cb56e3e8da1d3a7f12bb39a6a4550d2c643d3d165271f83f9389f01c47e89046ab148a

Download Submit
memory/2208-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2208-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2208-1-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/2316-15-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2316-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download