00d7991359dc492f4904dac7295f2e45e32c84ea7f59a9beb7b39d099b39b241

General

Target

2024-04-28_93979da96b7ac9fe5fc0ae359ab48c2e_cryptolocker.exe
Size

47KB
MD5

93979da96b7ac9fe5fc0ae359ab48c2e
SHA1

eb24e6d4366b4caaf042ad4c631f59011d3b6aa1
SHA256

00d7991359dc492f4904dac7295f2e45e32c84ea7f59a9beb7b39d099b39b241
SHA512

8a6573d19d1edfb3605b899930d84511ae266db859aad1617917ebf071e2538307e9108253523faf03f3e1b0b7b712b46cce76c1618f817aaacc154bf94ff544
SSDEEP

768:qmOKYQDf5XdrDmjr5tOOtEvwDpjAajFEitQbDmoSQCVUBJUkQqAHBIG05W2MoA5:qmbhXDmjr5MOtEvwDpj5cDtKkQZQg

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/2068-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000c000000013144-11.dat	CryptoLocker_rule2
behavioral1/memory/2068-16-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2508-17-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2508-27-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 3 IoCs

resource	yara_rule
behavioral1/memory/2068-16-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2508-17-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2508-27-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral1/memory/2068-0-0x0000000000500000-0x0000000000510000-memory.dmp	UPX
behavioral1/files/0x000c000000013144-11.dat	UPX
behavioral1/memory/2068-16-0x0000000000500000-0x0000000000510000-memory.dmp	UPX
behavioral1/memory/2508-17-0x0000000000500000-0x0000000000510000-memory.dmp	UPX
behavioral1/memory/2508-27-0x0000000000500000-0x0000000000510000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
2508	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2068	2024-04-28_93979da96b7ac9fe5fc0ae359ab48c2e_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 2068 wrote to memory of 2508	2068	2024-04-28_93979da96b7ac9fe5fc0ae359ab48c2e_cryptolocker.exe	28
PID 2068 wrote to memory of 2508	2068	2024-04-28_93979da96b7ac9fe5fc0ae359ab48c2e_cryptolocker.exe	28
PID 2068 wrote to memory of 2508	2068	2024-04-28_93979da96b7ac9fe5fc0ae359ab48c2e_cryptolocker.exe	28
PID 2068 wrote to memory of 2508	2068	2024-04-28_93979da96b7ac9fe5fc0ae359ab48c2e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-28_93979da96b7ac9fe5fc0ae359ab48c2e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-28_93979da96b7ac9fe5fc0ae359ab48c2e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2508

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

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
47KB

MD5
9d794f60e299a7404fd299581b222ff6

SHA1
4848053d7793b0e1401d9ffb31e3e35c99101501

SHA256
19037b7e0b735035d461b6eda547b9ace7e4a2d5cdb620aa269304195db13825

SHA512
1be829d5a9755077084062001fbc91bc583db6756766c1742111f138e40aec58e8bfa7271290351d4876d148a71a4231acbb531a91d4f901a023d9247cc5730e

Download Submit
memory/2068-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2068-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2068-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2068-3-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2068-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2508-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2508-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2508-26-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/2508-27-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

DNS Request

DNS Response

MITRE ATT&CK Enterprise v15

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Downloads

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