a6ebcd5adf5a393ddb0b2eaa4607c37d4e1ac0693e6717dfebdb48805134a79d

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10/10/2024, 08:27 UTC

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General

Target

2024-10-10_4227d7fd4ea4c89fa20010c0aba8e3ef_cryptolocker.exe
Size

38KB
MD5

4227d7fd4ea4c89fa20010c0aba8e3ef
SHA1

3781556565e1b0b66c3b2c8cb760f28bffc925bc
SHA256

a6ebcd5adf5a393ddb0b2eaa4607c37d4e1ac0693e6717dfebdb48805134a79d
SHA512

52477e36b663679b0cf140ab3c8648075ea46869a834b8e841a2a8d155648c1dea3b665465506d118102d6be2355e260ca7d040babffadbae27dce7b3c643ce8
SSDEEP

768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5axK3hn:qUmnpomddpMOtEvwDpjjaYaQhn

Score

7^/10

discovery upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	2024-10-10_4227d7fd4ea4c89fa20010c0aba8e3ef_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1792	asih.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4788-0-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/files/0x000d000000023b0d-13.dat	upx
behavioral2/memory/4788-17-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/memory/1792-26-0x0000000000500000-0x000000000050F000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-10_4227d7fd4ea4c89fa20010c0aba8e3ef_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4788 wrote to memory of 1792	4788	2024-10-10_4227d7fd4ea4c89fa20010c0aba8e3ef_cryptolocker.exe	85
PID 4788 wrote to memory of 1792	4788	2024-10-10_4227d7fd4ea4c89fa20010c0aba8e3ef_cryptolocker.exe	85
PID 4788 wrote to memory of 1792	4788	2024-10-10_4227d7fd4ea4c89fa20010c0aba8e3ef_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-10_4227d7fd4ea4c89fa20010c0aba8e3ef_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_4227d7fd4ea4c89fa20010c0aba8e3ef_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4788
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1792

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

3.18.7.81

hdr-nlb4-0bbd2e21834cb637.elb.us-east-2.amazonaws.com

IN A

3.19.116.195
DNS

g.bing.com

Remote address:

8.8.8.8:53

Request

g.bing.com

IN A

Response

g.bing.com

IN CNAME

g-bing-com.ax-0001.ax-msedge.net

g-bing-com.ax-0001.ax-msedge.net

IN CNAME

ax-0001.ax-dc-msedge.net

ax-0001.ax-dc-msedge.net

IN A

150.171.29.10

ax-0001.ax-dc-msedge.net

IN A

150.171.30.10
GET

https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=9d99560b9db4403bbe13c5f66a6ce15a&localId=w:66B95077-CF2F-5A7E-6FF7-2AB84BE1688C&deviceId=6896208602593836&anid=

Remote address:

150.171.29.10:443

Request

GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=9d99560b9db4403bbe13c5f66a6ce15a&localId=w:66B95077-CF2F-5A7E-6FF7-2AB84BE1688C&deviceId=6896208602593836&anid= HTTP/2.0
host: g.bing.com
accept-encoding: gzip, deflate
user-agent: WindowsShellClient/9.0.40929.0 (Windows)

Response

HTTP/2.0 204

cache-control: no-cache, must-revalidate
pragma: no-cache
expires: Fri, 01 Jan 1990 00:00:00 GMT
set-cookie: MUID=2D1887B8D1F765343F0B92ACD0F1640F; domain=.bing.com; expires=Tue, 04-Nov-2025 08:27:35 GMT; path=/; SameSite=None; Secure; Priority=High;
strict-transport-security: max-age=31536000; includeSubDomains; preload
access-control-allow-origin: *
x-cache: CONFIG_NOCACHE
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: 1CA73216CB1A4E499B1CFCDCB164E713 Ref B: LON212050701039 Ref C: 2024-10-10T08:27:35Z
date: Thu, 10 Oct 2024 08:27:34 GMT
GET

https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=9d99560b9db4403bbe13c5f66a6ce15a&localId=w:66B95077-CF2F-5A7E-6FF7-2AB84BE1688C&deviceId=6896208602593836&anid=

Remote address:

150.171.29.10:443

Request

GET /neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=9d99560b9db4403bbe13c5f66a6ce15a&localId=w:66B95077-CF2F-5A7E-6FF7-2AB84BE1688C&deviceId=6896208602593836&anid= HTTP/2.0
host: g.bing.com
accept-encoding: gzip, deflate
user-agent: WindowsShellClient/9.0.40929.0 (Windows)
cookie: MUID=2D1887B8D1F765343F0B92ACD0F1640F

Response

HTTP/2.0 204

cache-control: no-cache, must-revalidate
pragma: no-cache
expires: Fri, 01 Jan 1990 00:00:00 GMT
set-cookie: MSPTC=v9DV3OYy3Ti6fb1dzyaQv2SpVYUSNytVBZSy2gKUXpE; domain=.bing.com; expires=Tue, 04-Nov-2025 08:27:35 GMT; path=/; Partitioned; secure; SameSite=None
strict-transport-security: max-age=31536000; includeSubDomains; preload
access-control-allow-origin: *
x-cache: CONFIG_NOCACHE
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: 18227B480BFA4023B988BB25ABD18B7D Ref B: LON212050701039 Ref C: 2024-10-10T08:27:35Z
date: Thu, 10 Oct 2024 08:27:34 GMT
GET

https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=9d99560b9db4403bbe13c5f66a6ce15a&localId=w:66B95077-CF2F-5A7E-6FF7-2AB84BE1688C&deviceId=6896208602593836&anid=

Remote address:

150.171.29.10:443

Request

GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=9d99560b9db4403bbe13c5f66a6ce15a&localId=w:66B95077-CF2F-5A7E-6FF7-2AB84BE1688C&deviceId=6896208602593836&anid= HTTP/2.0
host: g.bing.com
accept-encoding: gzip, deflate
user-agent: WindowsShellClient/9.0.40929.0 (Windows)
cookie: MUID=2D1887B8D1F765343F0B92ACD0F1640F; MSPTC=v9DV3OYy3Ti6fb1dzyaQv2SpVYUSNytVBZSy2gKUXpE

Response

HTTP/2.0 204

cache-control: no-cache, must-revalidate
pragma: no-cache
expires: Fri, 01 Jan 1990 00:00:00 GMT
strict-transport-security: max-age=31536000; includeSubDomains; preload
access-control-allow-origin: *
x-cache: CONFIG_NOCACHE
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: 56421714B9A94D42AAB5307F553F1B7A Ref B: LON212050701039 Ref C: 2024-10-10T08:27:35Z
date: Thu, 10 Oct 2024 08:27:34 GMT
DNS

8.8.8.8.in-addr.arpa

Remote address:

8.8.8.8:53

Request

8.8.8.8.in-addr.arpa

IN PTR

Response

8.8.8.8.in-addr.arpa

IN PTR

dnsgoogle
DNS

23.159.190.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

23.159.190.20.in-addr.arpa

IN PTR

Response
DNS

172.214.232.199.in-addr.arpa

Remote address:

8.8.8.8:53

Request

172.214.232.199.in-addr.arpa

IN PTR

Response
DNS

10.29.171.150.in-addr.arpa

Remote address:

8.8.8.8:53

Request

10.29.171.150.in-addr.arpa

IN PTR

Response
DNS

55.36.223.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

55.36.223.20.in-addr.arpa

IN PTR

Response
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

53.210.109.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

53.210.109.20.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

98.117.19.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

98.117.19.2.in-addr.arpa

IN PTR

Response

98.117.19.2.in-addr.arpa

IN PTR

a2-19-117-98deploystaticakamaitechnologiescom
DNS

19.229.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

19.229.111.52.in-addr.arpa

IN PTR

Response

3.18.7.81:443

emrlogistics.com

asih.exe

260 B
5
150.171.29.10:443

https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=9d99560b9db4403bbe13c5f66a6ce15a&localId=w:66B95077-CF2F-5A7E-6FF7-2AB84BE1688C&deviceId=6896208602593836&anid=

tls, http2

2.0kB
9.4kB
21
19

HTTP Request

GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=9d99560b9db4403bbe13c5f66a6ce15a&localId=w:66B95077-CF2F-5A7E-6FF7-2AB84BE1688C&deviceId=6896208602593836&anid=

HTTP Response

204

HTTP Request

GET https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=9d99560b9db4403bbe13c5f66a6ce15a&localId=w:66B95077-CF2F-5A7E-6FF7-2AB84BE1688C&deviceId=6896208602593836&anid=

HTTP Response

204

HTTP Request

GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=9d99560b9db4403bbe13c5f66a6ce15a&localId=w:66B95077-CF2F-5A7E-6FF7-2AB84BE1688C&deviceId=6896208602593836&anid=

HTTP Response

204
3.19.116.195:443

emrlogistics.com

asih.exe

260 B
5
3.18.7.81:443

emrlogistics.com

asih.exe

260 B
5
3.19.116.195:443

emrlogistics.com

asih.exe

260 B
5
3.18.7.81:443

emrlogistics.com

asih.exe

260 B
5
3.19.116.195:443

emrlogistics.com

asih.exe

260 B
5
3.18.7.81:443

emrlogistics.com

asih.exe

260 B
5
3.19.116.195:443

emrlogistics.com

asih.exe

104 B
2

8.8.8.8:53

emrlogistics.com

dns

asih.exe

62 B
192 B
1
1

DNS Request

emrlogistics.com

DNS Response

3.18.7.81

3.19.116.195
8.8.8.8:53

g.bing.com

dns

56 B
169 B
1
1

DNS Request

g.bing.com

DNS Response

150.171.29.10

150.171.30.10
8.8.8.8:53

8.8.8.8.in-addr.arpa

dns

66 B
90 B
1
1

DNS Request

8.8.8.8.in-addr.arpa
8.8.8.8:53

23.159.190.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

23.159.190.20.in-addr.arpa
8.8.8.8:53

172.214.232.199.in-addr.arpa

dns

74 B
128 B
1
1

DNS Request

172.214.232.199.in-addr.arpa
8.8.8.8:53

10.29.171.150.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

10.29.171.150.in-addr.arpa
8.8.8.8:53

55.36.223.20.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

55.36.223.20.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

53.210.109.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

53.210.109.20.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

98.117.19.2.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

98.117.19.2.in-addr.arpa
8.8.8.8:53

19.229.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

19.229.111.52.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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
39KB

MD5
4653d2332cca0736e6d3250b3dcd2e84

SHA1
1d5a2add0297e0ad30f272abcd098f9706ddd7f2

SHA256
d670eff55423494c7c9dbcce4707206fb010757e954012c2016c19b67b534f2f

SHA512
c8799f9f3acc8ef0663b8051b20d4f9025fe7e32447291ce2628907d5c92a0388cef3447f1865d9d6b8bbc42a2b86de76bddfccb7ad3454e6165ebc9207454c7

Download Submit
memory/1792-19-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/1792-20-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download
memory/1792-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4788-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4788-1-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/4788-2-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/4788-3-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/4788-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

HTTP Request

HTTP Response

HTTP Request

HTTP Response

HTTP Request

HTTP Response

DNS Request

DNS Response

DNS Request

DNS Response

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

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