ef54da4f4003ec63e14f3a2e077b284e288226144003626c09501d6b2401468b

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
05/06/2024, 04:32 UTC

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General

Target

2024-06-05_5d80bf5710149671ced24ecb6fb03b60_cryptolocker.exe
Size

97KB
MD5

5d80bf5710149671ced24ecb6fb03b60
SHA1

efa74a3979862f3f79a858ab69301141a5764121
SHA256

ef54da4f4003ec63e14f3a2e077b284e288226144003626c09501d6b2401468b
SHA512

4f312f49d044cf0a45511ad2ce0cd31f452522eac9535997e9ec072127de73ff57c34c13bc4fdb1dde6e4cf3be72d0b30206967269c0351ce17f6cbecb59e843
SSDEEP

1536:Z6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNC4wrH:Z6a+pOtEvwDpjtzu

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001226b-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001226b-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2972	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2060	2024-06-05_5d80bf5710149671ced24ecb6fb03b60_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 2060 wrote to memory of 2972	2060	2024-06-05_5d80bf5710149671ced24ecb6fb03b60_cryptolocker.exe	28
PID 2060 wrote to memory of 2972	2060	2024-06-05_5d80bf5710149671ced24ecb6fb03b60_cryptolocker.exe	28
PID 2060 wrote to memory of 2972	2060	2024-06-05_5d80bf5710149671ced24ecb6fb03b60_cryptolocker.exe	28
PID 2060 wrote to memory of 2972	2060	2024-06-05_5d80bf5710149671ced24ecb6fb03b60_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-05_5d80bf5710149671ced24ecb6fb03b60_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-05_5d80bf5710149671ced24ecb6fb03b60_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2972

Network

DNS

emrlogistics.com

asih.exe

Remote address:

8.8.8.8:53

Request

emrlogistics.com

IN A

Response

emrlogistics.com

IN CNAME

traff-1.hugedomains.com

traff-1.hugedomains.com

IN CNAME

hdr-nlb9-41371129e8304c29.elb.us-east-1.amazonaws.com

hdr-nlb9-41371129e8304c29.elb.us-east-1.amazonaws.com

IN A

54.209.32.212

hdr-nlb9-41371129e8304c29.elb.us-east-1.amazonaws.com

IN A

52.71.57.184

54.209.32.212:443

emrlogistics.com

asih.exe

152 B
3
52.71.57.184:443

emrlogistics.com

asih.exe

152 B
3
54.209.32.212:443

emrlogistics.com

asih.exe

152 B
3
52.71.57.184:443

emrlogistics.com

asih.exe

152 B
3
54.209.32.212:443

emrlogistics.com

asih.exe

152 B
3
52.71.57.184:443

emrlogistics.com

asih.exe

152 B
3
54.209.32.212:443

emrlogistics.com

asih.exe

152 B
3
52.71.57.184:443

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

54.209.32.212

52.71.57.184

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
97KB

MD5
ff726d739fac93f47c2e972dda931316

SHA1
755cc62570921dd7249925411ea108668e78559f

SHA256
d6613e53ea6144605080885f73d63b2aeb82e81cae86ae3365cd948d4d5cd3b5

SHA512
7830930d45aa8141dcabe1a2054e350c5cca0a41b92f217eec6d28a0179c73bf0048e8de80a330371398d9d910ee4a2534b73c8189177dbc1321bda9241e2d91

Download Submit
memory/2060-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2060-1-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2060-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2972-22-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2972-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download