8c23fb2a9edd2c6b0a45ee2bc134a005d5f91e6abb334e955cea0579eaf34403

General

Target

2024-05-14_80939618aee2469ac2b334ed4c85a2ba_cryptolocker.exe
Size

65KB
MD5

80939618aee2469ac2b334ed4c85a2ba
SHA1

1df431c94890f8a6ff3c354c62ef83f93fcd7738
SHA256

8c23fb2a9edd2c6b0a45ee2bc134a005d5f91e6abb334e955cea0579eaf34403
SHA512

f15deef628045a69d8cac1469307a4d0d4b455eb7dfdea5b5502239f9a4ed8b8c5e5ffbe1b2a706892153cd14f532675e3e71cdcfc53ce3808548a1c5b876eda
SSDEEP

1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYZ8xG:1nK6a+qdOOtEvwDpjk

Score

9^/10

upx

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/1524-0-0x0000000000500000-0x000000000050F311-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000c0000000132c6-11.dat	CryptoLocker_rule2
behavioral1/memory/1524-15-0x0000000000500000-0x000000000050F311-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2516-25-0x0000000000500000-0x000000000050F311-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/1524-0-0x0000000000500000-0x000000000050F311-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000c0000000132c6-11.dat	CryptoLocker_set1
behavioral1/memory/1524-15-0x0000000000500000-0x000000000050F311-memory.dmp	CryptoLocker_set1
behavioral1/memory/2516-25-0x0000000000500000-0x000000000050F311-memory.dmp	CryptoLocker_set1

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral1/memory/1524-0-0x0000000000500000-0x000000000050F311-memory.dmp	UPX
behavioral1/files/0x000c0000000132c6-11.dat	UPX
behavioral1/memory/1524-15-0x0000000000500000-0x000000000050F311-memory.dmp	UPX
behavioral1/memory/2516-25-0x0000000000500000-0x000000000050F311-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
2516	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1524	2024-05-14_80939618aee2469ac2b334ed4c85a2ba_cryptolocker.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1524-0-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/files/0x000c0000000132c6-11.dat	upx
behavioral1/memory/1524-15-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/memory/2516-25-0x0000000000500000-0x000000000050F311-memory.dmp	upx

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 1524 wrote to memory of 2516	1524	2024-05-14_80939618aee2469ac2b334ed4c85a2ba_cryptolocker.exe	28
PID 1524 wrote to memory of 2516	1524	2024-05-14_80939618aee2469ac2b334ed4c85a2ba_cryptolocker.exe	28
PID 1524 wrote to memory of 2516	1524	2024-05-14_80939618aee2469ac2b334ed4c85a2ba_cryptolocker.exe	28
PID 1524 wrote to memory of 2516	1524	2024-05-14_80939618aee2469ac2b334ed4c85a2ba_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-14_80939618aee2469ac2b334ed4c85a2ba_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-14_80939618aee2469ac2b334ed4c85a2ba_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1524
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2516

Network

DNS

emrlogistics.com

asih.exe

Remote address:

8.8.8.8:53

Request

emrlogistics.com

IN A

Response

emrlogistics.com

IN CNAME

traff-6.hugedomains.com

traff-6.hugedomains.com

IN CNAME

hdr-nlb10-d66bbad0736f8259.elb.us-east-2.amazonaws.com

hdr-nlb10-d66bbad0736f8259.elb.us-east-2.amazonaws.com

IN A

18.119.154.66

hdr-nlb10-d66bbad0736f8259.elb.us-east-2.amazonaws.com

IN A

3.140.13.188

18.119.154.66:443

emrlogistics.com

asih.exe

152 B
3
3.140.13.188:443

emrlogistics.com

asih.exe

152 B
3
18.119.154.66:443

emrlogistics.com

asih.exe

152 B
3
3.140.13.188:443

emrlogistics.com

asih.exe

152 B
3
18.119.154.66:443

emrlogistics.com

asih.exe

152 B
3
3.140.13.188:443

emrlogistics.com

asih.exe

152 B
3
18.119.154.66:443

emrlogistics.com

asih.exe

152 B
3
3.140.13.188:443

emrlogistics.com

asih.exe

52 B
1

8.8.8.8:53

emrlogistics.com

dns

asih.exe

62 B
193 B
1
1

DNS Request

emrlogistics.com

DNS Response

18.119.154.66

3.140.13.188

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
66KB

MD5
45c68298c23b71fcefe670ffd49724c7

SHA1
a5267e2f37a53bca4e18482eb7aaca22db6a3d67

SHA256
42c232bf36143cc79db8670bfdcb7b486c42f1a587c56046bac93e7e69f6400b

SHA512
8d20026fbdf2614714577c37ddf1152403cd3c253d34e81e9b1a85102044317ab96db5b129e21fbb4041b0a2a1d352c4ad94225d76d0de1d5c939a485f389330

Download Submit
memory/1524-0-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/1524-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1524-2-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/1524-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1524-15-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/2516-18-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2516-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2516-25-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

DNS Request

DNS Response

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

We care about your privacy.