4977653d1e2377e2d6bdae8c664352c024f136cf3f635f24ff62b615ebeea293

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
08-03-2024 09:50

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General

Target

2024-03-08_ba91b437a2f3a9d34b5eca43a34c45b8_cryptolocker.exe
Size

90KB
MD5

ba91b437a2f3a9d34b5eca43a34c45b8
SHA1

e48734038395b111848019cba51e02004ef7190e
SHA256

4977653d1e2377e2d6bdae8c664352c024f136cf3f635f24ff62b615ebeea293
SHA512

d1d0a98402a9803c9a1a445ee8e1c654243ea6f4c36b33ac1c9263e04ce4ae6486995c6a05a9e1a39d77ae5ac598bfa75444a0c2b59b2de15d2f77562c36d2d7
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwMgt:V6a+pOtEvwDpjtzx

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122fa-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122fa-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3020	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2868	2024-03-08_ba91b437a2f3a9d34b5eca43a34c45b8_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 2868 wrote to memory of 3020	2868	2024-03-08_ba91b437a2f3a9d34b5eca43a34c45b8_cryptolocker.exe	28
PID 2868 wrote to memory of 3020	2868	2024-03-08_ba91b437a2f3a9d34b5eca43a34c45b8_cryptolocker.exe	28
PID 2868 wrote to memory of 3020	2868	2024-03-08_ba91b437a2f3a9d34b5eca43a34c45b8_cryptolocker.exe	28
PID 2868 wrote to memory of 3020	2868	2024-03-08_ba91b437a2f3a9d34b5eca43a34c45b8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-08_ba91b437a2f3a9d34b5eca43a34c45b8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-08_ba91b437a2f3a9d34b5eca43a34c45b8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3020

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
90KB

MD5
b00ba145f1c051cdad871684107816b1

SHA1
236dac250b31dfac7019f38003505c38486bd1c7

SHA256
316f880aec43eb7db0e81f2f849d3ca61bdd0be4dbd39960be6edf68112bb5a8

SHA512
29c4ef0d06e2678121be6bbd66147d6e5175986204dfc82cdf871d4768ef94052e9d3355613f6e663fb33c0886261bd82aeeeb9335fe00129564ae2bc8a92fef

Download Submit
memory/2868-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2868-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2868-8-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/3020-15-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/3020-22-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download