47d5686c75824615f5e91a6dc2948deadd38595a71a7bc0a58d584a409a6a633

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
15/03/2024, 21:26 UTC

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General

Target

2024-03-15_1d95ff217eae1a2c19800ce4b1121e51_cryptolocker.exe
Size

89KB
MD5

1d95ff217eae1a2c19800ce4b1121e51
SHA1

453b92402f79a06399eb4936341f95fb03951197
SHA256

47d5686c75824615f5e91a6dc2948deadd38595a71a7bc0a58d584a409a6a633
SHA512

c13f151da0f338c90bff01a9a5c3baf5b0127406c4a9820b28bbbc3a7facaae5833db295bdebd0e8a97f0475b108d85449c992ac312acfe5c8567262f3a6ad4d
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwMgq:V6a+pOtEvwDpjtz2

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012252-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012252-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2272	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2352	2024-03-15_1d95ff217eae1a2c19800ce4b1121e51_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 2352 wrote to memory of 2272	2352	2024-03-15_1d95ff217eae1a2c19800ce4b1121e51_cryptolocker.exe	29
PID 2352 wrote to memory of 2272	2352	2024-03-15_1d95ff217eae1a2c19800ce4b1121e51_cryptolocker.exe	29
PID 2352 wrote to memory of 2272	2352	2024-03-15_1d95ff217eae1a2c19800ce4b1121e51_cryptolocker.exe	29
PID 2352 wrote to memory of 2272	2352	2024-03-15_1d95ff217eae1a2c19800ce4b1121e51_cryptolocker.exe	29

C:\Users\Admin\AppData\Local\Temp\2024-03-15_1d95ff217eae1a2c19800ce4b1121e51_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-15_1d95ff217eae1a2c19800ce4b1121e51_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2272

Network

DNS

emrlogistics.com

asih.exe

Remote address:

8.8.8.8:53

Request

emrlogistics.com

IN A

Response

emrlogistics.com

IN CNAME

traff-3.hugedomains.com

traff-3.hugedomains.com

IN CNAME

hdr-nlb4-0bbd2e21834cb637.elb.us-east-2.amazonaws.com

hdr-nlb4-0bbd2e21834cb637.elb.us-east-2.amazonaws.com

IN A

3.19.116.195

hdr-nlb4-0bbd2e21834cb637.elb.us-east-2.amazonaws.com

IN A

3.18.7.81

3.19.116.195:443

emrlogistics.com

asih.exe

152 B
3
3.18.7.81:443

emrlogistics.com

asih.exe

152 B
3
3.19.116.195:443

emrlogistics.com

asih.exe

152 B
3
3.18.7.81:443

emrlogistics.com

asih.exe

152 B
3
3.19.116.195:443

emrlogistics.com

asih.exe

152 B
3
3.18.7.81:443

emrlogistics.com

asih.exe

152 B
3
3.19.116.195:443

emrlogistics.com

asih.exe

152 B
3
3.18.7.81:443

emrlogistics.com

asih.exe

52 B
1

8.8.8.8:53

emrlogistics.com

dns

asih.exe

62 B
192 B
1
1

DNS Request

emrlogistics.com

DNS Response

3.19.116.195

3.18.7.81

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
89KB

MD5
c97e76d9d6d9e1460b2f3cc5343cb23a

SHA1
636811da5611bed1ddc32e65ff7d2a0fccb77ef4

SHA256
5337c93bd623abb271331b0687c4169e009e18f51f0365e6bda4d1036a130e93

SHA512
7901a545660227d02447014540fd2e3c9e00ed391a5bcc78f6b4f072a059dc1d0c74db29df6dedbb62b9049457060ce0a7d6b0709a1e5b1482b76e4a9e6e1c12

Download Submit
memory/2272-15-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2272-18-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2352-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2352-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2352-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download