a5fbaef3e49025d2bbfd2a1b3807fcd635671641223b43c9dd7826df6323bf3e

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
04/08/2023, 16:22

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General

Target
5e879cc8ae2584029aa5e3010358d5c8_cryptolocker_JC.exe
Size 142KB
Sample230804-tvev2sce55
SHA256 a5fbaef3e49025d2bbfd2a1b3807fcd635671641223b43c9dd7826df6323bf3e
MD5 5e879cc8ae2584029aa5e3010358d5c8
SHA1 475aeca1325fad5a0f13cb30363ef336d953b93d
SHA512 27c5947fa04abb966886d165b170a47330f4ad3c1cb99ce1f134ea91f7724e8ccf54bf0efd974fd2d221c3b4c86c736d4333dc9c9c4a28415aaa3ad026374fe1
SSDEEP 1536:V6QFElP6n+gMQMOtEvwDpjQGYQbxGYQbxGYQbPlooNH:V6a+pOtEvwDpjt227
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
372	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2072	5e879cc8ae2584029aa5e3010358d5c8_cryptolocker_JC.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 2072 wrote to memory of 372	2072	5e879cc8ae2584029aa5e3010358d5c8_cryptolocker_JC.exe	28
PID 2072 wrote to memory of 372	2072	5e879cc8ae2584029aa5e3010358d5c8_cryptolocker_JC.exe	28
PID 2072 wrote to memory of 372	2072	5e879cc8ae2584029aa5e3010358d5c8_cryptolocker_JC.exe	28
PID 2072 wrote to memory of 372	2072	5e879cc8ae2584029aa5e3010358d5c8_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\5e879cc8ae2584029aa5e3010358d5c8_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\5e879cc8ae2584029aa5e3010358d5c8_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:372

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

asih.exe

Path C:\Users\Admin\AppData\Local\Temp\asih.exe
Size 142KB
SHA256 07a6deb21ae93c7328ecf1057c0e0fa7ebf7cf03f3025b427e97dfb9b4e9465b
MD5 36233fba8e6f1f8e97b8f0767316d926
SHA1 dc0817d1757463daa4828b232bf2114c97d8b7e2
SHA512 faf377589b73ba22f82d0c91b7ca4038bc721ff0bfb83f7b3ec8794b5af8f88794a560b900108256097e7999a29578c6809e9f14e0fee7ff3bd8e8fe4c4f36ca
SSDEEP 1536:V6QFElP6n+gMQMOtEvwDpjQGYQbxGYQbxGYQbPlooN3:V6a+pOtEvwDpjt22r
MD5 SHA1 SHA512 SSDEEP

Submit Download

asih.exe

Path C:\Users\Admin\AppData\Local\Temp\asih.exe
Size 142KB
SHA256 07a6deb21ae93c7328ecf1057c0e0fa7ebf7cf03f3025b427e97dfb9b4e9465b
MD5 36233fba8e6f1f8e97b8f0767316d926
SHA1 dc0817d1757463daa4828b232bf2114c97d8b7e2
SHA512 faf377589b73ba22f82d0c91b7ca4038bc721ff0bfb83f7b3ec8794b5af8f88794a560b900108256097e7999a29578c6809e9f14e0fee7ff3bd8e8fe4c4f36ca
SSDEEP 1536:V6QFElP6n+gMQMOtEvwDpjQGYQbxGYQbxGYQbPlooN3:V6a+pOtEvwDpjt22r
MD5 SHA1 SHA512 SSDEEP

Submit Download

asih.exe

Path \Users\Admin\AppData\Local\Temp\asih.exe
Size 142KB
SHA256 07a6deb21ae93c7328ecf1057c0e0fa7ebf7cf03f3025b427e97dfb9b4e9465b
MD5 36233fba8e6f1f8e97b8f0767316d926
SHA1 dc0817d1757463daa4828b232bf2114c97d8b7e2
SHA512 faf377589b73ba22f82d0c91b7ca4038bc721ff0bfb83f7b3ec8794b5af8f88794a560b900108256097e7999a29578c6809e9f14e0fee7ff3bd8e8fe4c4f36ca
SSDEEP 1536:V6QFElP6n+gMQMOtEvwDpjQGYQbxGYQbxGYQbPlooN3:V6a+pOtEvwDpjt22r
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/372-69-0x0000000000490000-0x0000000000496000-memory.dmp

Download

memory/372-70-0x0000000000460000-0x0000000000466000-memory.dmp

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memory/2072-54-0x00000000001D0000-0x00000000001D6000-memory.dmp

Download

memory/2072-56-0x00000000001D0000-0x00000000001D6000-memory.dmp

Download

memory/2072-55-0x0000000000200000-0x0000000000206000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads