f2e4c2323eda93772757d875145a380098232563677f8878ba1cf64c68532aad

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
23/04/2024, 03:46

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General

Target

2024-04-23_92151981f2416020c35fbbcbe372c7ef_cryptolocker.exe
Size

92KB
MD5

92151981f2416020c35fbbcbe372c7ef
SHA1

ce16268645ce5bfa08ed2d62a6093d6791e973a0
SHA256

f2e4c2323eda93772757d875145a380098232563677f8878ba1cf64c68532aad
SHA512

ce4d64ce2667948c30fde533522e03c4ee6f5f464877b0bd000e3fde20a5a31e3f78112bde094404bb6f987f76db2a20224e8c02b7d204f816559f937ef8d489
SSDEEP

1536:vj+jsMQMOtEvwDpj5H8u8rBN6nqEZNi1OkQNyrR:vCjsIOtEvwDpj5H8zPsg

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000014abe-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000014abe-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3048	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2332	2024-04-23_92151981f2416020c35fbbcbe372c7ef_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 2332 wrote to memory of 3048	2332	2024-04-23_92151981f2416020c35fbbcbe372c7ef_cryptolocker.exe	28
PID 2332 wrote to memory of 3048	2332	2024-04-23_92151981f2416020c35fbbcbe372c7ef_cryptolocker.exe	28
PID 2332 wrote to memory of 3048	2332	2024-04-23_92151981f2416020c35fbbcbe372c7ef_cryptolocker.exe	28
PID 2332 wrote to memory of 3048	2332	2024-04-23_92151981f2416020c35fbbcbe372c7ef_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-23_92151981f2416020c35fbbcbe372c7ef_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-23_92151981f2416020c35fbbcbe372c7ef_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3048

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
92KB

MD5
ee0a67dd47ec5b3ccdf1c5a1801e20ba

SHA1
191777a1e8faf07460ab9595cbfa1f8c29775c12

SHA256
5206eb79af39707d6bc8816211bd5aeae2b9d7bbab0c9d524f9e0321e9b3a74c

SHA512
252c5140e56de3d5299f8bbadeed103b9f29ff925e5d7b5a8702aa946f05f89640a9367af1ade5c0d8c6886e09e79dd62f49806cf53e7786b9aa243c5b6410f5

Download Submit
memory/2332-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2332-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2332-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3048-15-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/3048-19-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download