d8d92910810f131930d7daa8119fe3c585dc55cd69ac97b5018293f6bf9a345a

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
09-05-2024 02:46

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General

Target

2024-05-09_f1086c6c4c420eb348aab46162f00db2_cryptolocker.exe
Size

52KB
MD5

f1086c6c4c420eb348aab46162f00db2
SHA1

18820677f64a9da848ba1deb4162c326a0f60a11
SHA256

d8d92910810f131930d7daa8119fe3c585dc55cd69ac97b5018293f6bf9a345a
SHA512

4168e02d10267a25c2c005fd8e7c78ef6ab3b13e45ca6b84936d51d3b6f60b81ddebc5973170b32b51c388e71b6cacafb5cadb450a881b06e6da8040a4ec5292
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcaTIE:X6QFElP6n+gJBMOtEvwDpjBtExmln

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000e00000001214d-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000e00000001214d-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3000	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1444	2024-05-09_f1086c6c4c420eb348aab46162f00db2_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 1444 wrote to memory of 3000	1444	2024-05-09_f1086c6c4c420eb348aab46162f00db2_cryptolocker.exe	28
PID 1444 wrote to memory of 3000	1444	2024-05-09_f1086c6c4c420eb348aab46162f00db2_cryptolocker.exe	28
PID 1444 wrote to memory of 3000	1444	2024-05-09_f1086c6c4c420eb348aab46162f00db2_cryptolocker.exe	28
PID 1444 wrote to memory of 3000	1444	2024-05-09_f1086c6c4c420eb348aab46162f00db2_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-09_f1086c6c4c420eb348aab46162f00db2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-09_f1086c6c4c420eb348aab46162f00db2_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1444
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3000

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\asih.exe

Filesize
53KB

MD5
d1fe365665688e3f7d02240920a63f4e

SHA1
0a28b9e2f4e9acc0b4659488d067070049e0ddee

SHA256
3c71d61fe6b080fb8710b5099f6308ae956eedd7eb8dea28bccd31b2a1b1893f

SHA512
6f93a8b5eecfa07e527cb777a05f1f6920f1441b03652c2783f95aa70088350e4f9bd8abe1ad1381ab0e2b4a706e704642dcf54f9b0887829057aaadeb257890

Download Submit
memory/1444-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1444-1-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/1444-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3000-15-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/3000-22-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download