d85c6a67ae91a6f495db1f4fbfe129048694882740d6f8b40bb6427d70b2c95f

Analysis

max time kernel
140s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/03/2024, 03:52 UTC

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Report Analysis Logs

General

Target

2024-03-08_b717af6d78bf813d29b3dd649138bbbb_cryptolocker.exe
Size

40KB
MD5

b717af6d78bf813d29b3dd649138bbbb
SHA1

c4a8a0acb6b5ff2693a01773f898510dd893349d
SHA256

d85c6a67ae91a6f495db1f4fbfe129048694882740d6f8b40bb6427d70b2c95f
SHA512

d0da23fd146f6209dba88487e8565cd189ff012cc68bd86adb1525402fc8aef49ce18f8cfdb8d96098e6370692785c1e0766d33d98932b8dfc91df70bd1ce817
SSDEEP

768:bAvJCYOOvbRPDEgXrNekd7l94i3py/yY/Ja:bAvJCF+RQgJeab4sy/lg

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023222-12.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-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation	2024-03-08_b717af6d78bf813d29b3dd649138bbbb_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation	demka.exe

Executes dropped EXE 1 IoCs

pid	Process
3488	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 5108 wrote to memory of 3488	5108	2024-03-08_b717af6d78bf813d29b3dd649138bbbb_cryptolocker.exe	91
PID 5108 wrote to memory of 3488	5108	2024-03-08_b717af6d78bf813d29b3dd649138bbbb_cryptolocker.exe	91
PID 5108 wrote to memory of 3488	5108	2024-03-08_b717af6d78bf813d29b3dd649138bbbb_cryptolocker.exe	91

C:\Users\Admin\AppData\Local\Temp\2024-03-08_b717af6d78bf813d29b3dd649138bbbb_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-08_b717af6d78bf813d29b3dd649138bbbb_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5108
- 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:3488

Network

DNS

22.160.190.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

22.160.190.20.in-addr.arpa

IN PTR

Response
DNS

240.143.123.92.in-addr.arpa

Remote address:

8.8.8.8:53

Request

240.143.123.92.in-addr.arpa

IN PTR

Response

240.143.123.92.in-addr.arpa

IN PTR

a92-123-143-240deploystaticakamaitechnologiescom
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

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

41.110.16.96.in-addr.arpa

Remote address:

8.8.8.8:53

Request

41.110.16.96.in-addr.arpa

IN PTR

Response

41.110.16.96.in-addr.arpa

IN PTR

a96-16-110-41deploystaticakamaitechnologiescom
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
DNS

57.169.31.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

57.169.31.20.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

32.169.19.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

32.169.19.2.in-addr.arpa

IN PTR

Response

32.169.19.2.in-addr.arpa

IN PTR

a2-19-169-32deploystaticakamaitechnologiescom
DNS

228.249.119.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

228.249.119.40.in-addr.arpa

IN PTR

Response
DNS

103.169.127.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

103.169.127.40.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

tse1.mm.bing.net

Remote address:

8.8.8.8:53

Request

tse1.mm.bing.net

IN A

Response

tse1.mm.bing.net

IN CNAME

mm-mm.bing.net.trafficmanager.net

mm-mm.bing.net.trafficmanager.net

IN CNAME

dual-a-0001.a-msedge.net

dual-a-0001.a-msedge.net

IN A

204.79.197.200

dual-a-0001.a-msedge.net

IN A

13.107.21.200
GET

https://tse1.mm.bing.net/th?id=OADD2.10239317300987_1J0P1F40FB09II9DT&pid=21.2&w=1920&h=1080&c=4

Remote address:

204.79.197.200:443

Request

GET /th?id=OADD2.10239317300987_1J0P1F40FB09II9DT&pid=21.2&w=1920&h=1080&c=4 HTTP/2.0
host: tse1.mm.bing.net
accept: */*
accept-encoding: gzip, deflate, br
user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.19041

Response

HTTP/2.0 200

cache-control: public, max-age=2592000
content-length: 147718
content-type: image/jpeg
x-cache: TCP_HIT
access-control-allow-origin: *
access-control-allow-headers: *
access-control-allow-methods: GET, POST, OPTIONS
timing-allow-origin: *
report-to: {"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://aefd.nelreports.net/api/report?cat=bingth"}]}
nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: 579E717967524A10AD2AF7B69235FEE6 Ref B: LON04EDGE0710 Ref C: 2024-03-08T03:53:01Z
date: Fri, 08 Mar 2024 03:53:00 GMT
GET

https://tse1.mm.bing.net/th?id=OADD2.10239317301111_1DKW3SIPELFG6R5I0&pid=21.2&w=1920&h=1080&c=4

Remote address:

204.79.197.200:443

Request

GET /th?id=OADD2.10239317301111_1DKW3SIPELFG6R5I0&pid=21.2&w=1920&h=1080&c=4 HTTP/2.0
host: tse1.mm.bing.net
accept: */*
accept-encoding: gzip, deflate, br
user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.19041

Response

HTTP/2.0 200

cache-control: public, max-age=2592000
content-length: 427323
content-type: image/jpeg
x-cache: TCP_HIT
access-control-allow-origin: *
access-control-allow-headers: *
access-control-allow-methods: GET, POST, OPTIONS
timing-allow-origin: *
report-to: {"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://aefd.nelreports.net/api/report?cat=bingth"}]}
nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: 8005C9FFB8144653987C8BC755B81C28 Ref B: LON04EDGE0710 Ref C: 2024-03-08T03:53:01Z
date: Fri, 08 Mar 2024 03:53:00 GMT
GET

https://tse1.mm.bing.net/th?id=OADD2.10239317301544_150BJDG31FJ0ZNF34&pid=21.2&w=1080&h=1920&c=4

Remote address:

204.79.197.200:443

Request

GET /th?id=OADD2.10239317301544_150BJDG31FJ0ZNF34&pid=21.2&w=1080&h=1920&c=4 HTTP/2.0
host: tse1.mm.bing.net
accept: */*
accept-encoding: gzip, deflate, br
user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.19041

Response

HTTP/2.0 200

cache-control: public, max-age=2592000
content-length: 134030
content-type: image/jpeg
x-cache: TCP_HIT
access-control-allow-origin: *
access-control-allow-headers: *
access-control-allow-methods: GET, POST, OPTIONS
timing-allow-origin: *
report-to: {"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://aefd.nelreports.net/api/report?cat=bingth"}]}
nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: 216C499BB5DB4457833800290625E304 Ref B: LON04EDGE0710 Ref C: 2024-03-08T03:53:01Z
date: Fri, 08 Mar 2024 03:53:00 GMT
GET

https://tse1.mm.bing.net/th?id=OADD2.10239317301420_1D6NOV5C8JU3EW64U&pid=21.2&w=1080&h=1920&c=4

Remote address:

204.79.197.200:443

Request

GET /th?id=OADD2.10239317301420_1D6NOV5C8JU3EW64U&pid=21.2&w=1080&h=1920&c=4 HTTP/2.0
host: tse1.mm.bing.net
accept: */*
accept-encoding: gzip, deflate, br
user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.19041

Response

HTTP/2.0 200

cache-control: public, max-age=2592000
content-length: 341424
content-type: image/jpeg
x-cache: TCP_HIT
access-control-allow-origin: *
access-control-allow-headers: *
access-control-allow-methods: GET, POST, OPTIONS
timing-allow-origin: *
report-to: {"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://aefd.nelreports.net/api/report?cat=bingth"}]}
nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: 154074492AA74D2398A57B30FFEEC34D Ref B: LON04EDGE0710 Ref C: 2024-03-08T03:53:01Z
date: Fri, 08 Mar 2024 03:53:00 GMT
GET

https://tse1.mm.bing.net/th?id=OADD2.10239340418559_1LXGGCLQWFST3067K&pid=21.2&w=1080&h=1920&c=4

Remote address:

204.79.197.200:443

Request

GET /th?id=OADD2.10239340418559_1LXGGCLQWFST3067K&pid=21.2&w=1080&h=1920&c=4 HTTP/2.0
host: tse1.mm.bing.net
accept: */*
accept-encoding: gzip, deflate, br
user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.19041

Response

HTTP/2.0 200

cache-control: public, max-age=2592000
content-length: 340273
content-type: image/jpeg
x-cache: TCP_HIT
access-control-allow-origin: *
access-control-allow-headers: *
access-control-allow-methods: GET, POST, OPTIONS
timing-allow-origin: *
report-to: {"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://aefd.nelreports.net/api/report?cat=bingth"}]}
nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: 17FFA5741BC0464EA47EB7795CB68AAD Ref B: LON04EDGE0710 Ref C: 2024-03-08T03:53:01Z
date: Fri, 08 Mar 2024 03:53:00 GMT
GET

https://tse1.mm.bing.net/th?id=OADD2.10239340418560_12H05GS2AXF1O4KMU&pid=21.2&w=1920&h=1080&c=4

Remote address:

204.79.197.200:443

Request

GET /th?id=OADD2.10239340418560_12H05GS2AXF1O4KMU&pid=21.2&w=1920&h=1080&c=4 HTTP/2.0
host: tse1.mm.bing.net
accept: */*
accept-encoding: gzip, deflate, br
user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.19041

Response

HTTP/2.0 200

cache-control: public, max-age=2592000
content-length: 322167
content-type: image/jpeg
x-cache: TCP_HIT
access-control-allow-origin: *
access-control-allow-headers: *
access-control-allow-methods: GET, POST, OPTIONS
timing-allow-origin: *
report-to: {"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://aefd.nelreports.net/api/report?cat=bingth"}]}
nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: EF17839B09774647A74FF3419D12B57A Ref B: LON04EDGE0710 Ref C: 2024-03-08T03:53:01Z
date: Fri, 08 Mar 2024 03:53:01 GMT
DNS

180.178.17.96.in-addr.arpa

Remote address:

8.8.8.8:53

Request

180.178.17.96.in-addr.arpa

IN PTR

Response

180.178.17.96.in-addr.arpa

IN PTR

a96-17-178-180deploystaticakamaitechnologiescom
DNS

21.236.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

21.236.111.52.in-addr.arpa

IN PTR

Response
DNS

210.143.182.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

210.143.182.52.in-addr.arpa

IN PTR

Response

35.215.114.222:443

ttms.org

tls

demka.exe

3.9kB
92.1kB
75
71
204.79.197.200:443

https://tse1.mm.bing.net/th?id=OADD2.10239340418560_12H05GS2AXF1O4KMU&pid=21.2&w=1920&h=1080&c=4

tls, http2

62.2kB
1.8MB
1302
1299

HTTP Request

GET https://tse1.mm.bing.net/th?id=OADD2.10239317300987_1J0P1F40FB09II9DT&pid=21.2&w=1920&h=1080&c=4

HTTP Request

GET https://tse1.mm.bing.net/th?id=OADD2.10239317301111_1DKW3SIPELFG6R5I0&pid=21.2&w=1920&h=1080&c=4

HTTP Request

GET https://tse1.mm.bing.net/th?id=OADD2.10239317301544_150BJDG31FJ0ZNF34&pid=21.2&w=1080&h=1920&c=4

HTTP Request

GET https://tse1.mm.bing.net/th?id=OADD2.10239317301420_1D6NOV5C8JU3EW64U&pid=21.2&w=1080&h=1920&c=4

HTTP Request

GET https://tse1.mm.bing.net/th?id=OADD2.10239340418559_1LXGGCLQWFST3067K&pid=21.2&w=1080&h=1920&c=4

HTTP Response

200

HTTP Response

200

HTTP Response

200

HTTP Response

200

HTTP Response

200

HTTP Request

GET https://tse1.mm.bing.net/th?id=OADD2.10239340418560_12H05GS2AXF1O4KMU&pid=21.2&w=1920&h=1080&c=4

HTTP Response

200
204.79.197.200:443

tse1.mm.bing.net

tls, http2

1.2kB
8.1kB
16
14
204.79.197.200:443

tse1.mm.bing.net

tls, http2

1.2kB
8.1kB
16
14
204.79.197.200:443

tse1.mm.bing.net

tls, http2

1.2kB
8.1kB
16
14
204.79.197.200:443

tse1.mm.bing.net

tls, http2

1.2kB
8.1kB
16
14

8.8.8.8:53

22.160.190.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

22.160.190.20.in-addr.arpa
8.8.8.8:53

240.143.123.92.in-addr.arpa

dns

73 B
139 B
1
1

DNS Request

240.143.123.92.in-addr.arpa
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

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

41.110.16.96.in-addr.arpa

dns

71 B
135 B
1
1

DNS Request

41.110.16.96.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

57.169.31.20.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

57.169.31.20.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

32.169.19.2.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

32.169.19.2.in-addr.arpa
8.8.8.8:53

228.249.119.40.in-addr.arpa

dns

73 B
159 B
1
1

DNS Request

228.249.119.40.in-addr.arpa
8.8.8.8:53

103.169.127.40.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

103.169.127.40.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

tse1.mm.bing.net

dns

62 B
173 B
1
1

DNS Request

tse1.mm.bing.net

DNS Response

204.79.197.200

13.107.21.200
8.8.8.8:53

180.178.17.96.in-addr.arpa

dns

72 B
137 B
1
1

DNS Request

180.178.17.96.in-addr.arpa
8.8.8.8:53

21.236.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

21.236.111.52.in-addr.arpa
8.8.8.8:53

210.143.182.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

210.143.182.52.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

Loading Replay Monitor...

Downloads

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

Filesize
41KB

MD5
3d95c7281e12cfd309a73407ee335a8b

SHA1
d42e6fdf2e77005727dcbce34f6dc9b18e4b9c24

SHA256
a45d88afbac08a11eb940ceca0cc0580c3f2c048b09d84745f3f0e44df2c38e4

SHA512
480ced64f23c9daab6327d5dc59b741b082c45a51460409e4b1c177d0f22d7e7ac30c34b5d95cc7987753ff7d1d621b735efb931963b9b14d1c88177090657ee

Download Submit
memory/3488-20-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/5108-0-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/5108-1-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/5108-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

HTTP Request

HTTP Request

HTTP Request

HTTP Request

HTTP Request

HTTP Response

HTTP Response

HTTP Response

HTTP Response

HTTP Response

HTTP Request

HTTP Response

DNS Request

DNS Request

DNS Request

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 Response

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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