ea5e63fa3480205f894648d91a4deca92322ef50f2cd029aaa23b2765cb588b9

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14/03/2024, 07:28

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General

Target

2024-03-14_22ed5465b485a43a81d7d3c53cb552bb_cryptolocker.exe
Size

52KB
MD5

22ed5465b485a43a81d7d3c53cb552bb
SHA1

e91dfbd926c5f37676d652b64f7a619d6efdd349
SHA256

ea5e63fa3480205f894648d91a4deca92322ef50f2cd029aaa23b2765cb588b9
SHA512

fa7de15c03c00966357f3b04902bd8a7bc469a88a09cec7582c07ceb5f36a58271a9d092378500bba4c3672804425a76ea391cd87b2b274eb79764ceee18aee6
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4hdCW1nw71TkhsiPn1YFvfm:vj+jsMQMOtEvwDpj5HH1nw73KOFnm

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001224f-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001224f-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2080	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2168	2024-03-14_22ed5465b485a43a81d7d3c53cb552bb_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 2168 wrote to memory of 2080	2168	2024-03-14_22ed5465b485a43a81d7d3c53cb552bb_cryptolocker.exe	28
PID 2168 wrote to memory of 2080	2168	2024-03-14_22ed5465b485a43a81d7d3c53cb552bb_cryptolocker.exe	28
PID 2168 wrote to memory of 2080	2168	2024-03-14_22ed5465b485a43a81d7d3c53cb552bb_cryptolocker.exe	28
PID 2168 wrote to memory of 2080	2168	2024-03-14_22ed5465b485a43a81d7d3c53cb552bb_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-14_22ed5465b485a43a81d7d3c53cb552bb_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-14_22ed5465b485a43a81d7d3c53cb552bb_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2080

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
52KB

MD5
71fcaf1e1cb6597913452331b6df54b2

SHA1
950581da2ce4150066500d2b0bcee6041b202af3

SHA256
c659cc377aff0211f079d97e822d2ac06091db7d72ed8d3ba251240a8cf71b52

SHA512
4bf2772f80443548e4f16cd767d7763a385564525697051a8443a0660e9ea682e7c0d99a5b8dd8ebef6d068a848ca6dd1a7830847534c9ed0ea675eaeb7944d1

Download Submit
memory/2080-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2080-18-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2168-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2168-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2168-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download