bf20e2e16d473273f8d31cb60784ccca32bfd35c18d238b34d7bb5ace98ceafc

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18-02-2024 00:47

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General

Target

2024-02-18_bd0d8577303e8579afa4f084e75a482f_cryptolocker.exe
Size

89KB
MD5

bd0d8577303e8579afa4f084e75a482f
SHA1

c20b060efaa07ec39939571c6c19c1824c0f0c7f
SHA256

bf20e2e16d473273f8d31cb60784ccca32bfd35c18d238b34d7bb5ace98ceafc
SHA512

cf5c36eecc81352ab18c4e7317d06d5cab38ab47706790a4b05c43f69e7d1109f52a0c0db3cd2d07c42f19ad86285f499582a42fb9d9d9392306f01f88719e58
SSDEEP

1536:vj+jsMQMOtEvwDpj5H8u8rBN6nqEZNi1OkQNpH5:vCjsIOtEvwDpj5H8zPsz

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012248-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012248-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2712	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2040	2024-02-18_bd0d8577303e8579afa4f084e75a482f_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 2040 wrote to memory of 2712	2040	2024-02-18_bd0d8577303e8579afa4f084e75a482f_cryptolocker.exe	28
PID 2040 wrote to memory of 2712	2040	2024-02-18_bd0d8577303e8579afa4f084e75a482f_cryptolocker.exe	28
PID 2040 wrote to memory of 2712	2040	2024-02-18_bd0d8577303e8579afa4f084e75a482f_cryptolocker.exe	28
PID 2040 wrote to memory of 2712	2040	2024-02-18_bd0d8577303e8579afa4f084e75a482f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-18_bd0d8577303e8579afa4f084e75a482f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-18_bd0d8577303e8579afa4f084e75a482f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2712

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
89KB

MD5
45d919ac61c6da770283b02f0726fb74

SHA1
8245582ca6222874f44d0f126f1a14ff46b15821

SHA256
79118afadbc68cb1d471abedf5c901bd6f94d67b201d1a7b432b90bfd4f3ebf5

SHA512
eb0005123a3f1e8606453061015bd59276a5357102b2f00e4c18055530ee5af9a644fbd6dcd2288fb477fef0eba59077bba016ad787e0ff4f680ffacb524ccd2

Download Submit
memory/2040-0-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2040-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/2040-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2712-15-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2712-17-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download