7601742c5daa223d23f8c2e206c13336a61310b51b48c5ba5fd1a2ccd0ecdb88 | Triage

Analysis

max time kernel
152s
max time network
186s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2022, 12:30 UTC

Sharing

Report Analysis Logs

General

Target

7601742c5daa223d23f8c2e206c13336a61310b51b48c5ba5fd1a2ccd0ecdb88.exe
Size

512KB
MD5

77e19c3990d0503a6f384736b8f48a13
SHA1

a03aba531bcc07740535a51ec98b7021ada3d746
SHA256

7601742c5daa223d23f8c2e206c13336a61310b51b48c5ba5fd1a2ccd0ecdb88
SHA512

bb96758d3ecd88415f5e3d4db49553073d6b7320404b34ebd61c4ab9b36c6e01c154db41c7d06d1d2f4abe78e4780ff931995ce6d2c02a400b009db795c71715
SSDEEP

12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4O:0+h9OY70z+warul3E4O

Score

9^/10

evasion

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	7601742c5daa223d23f8c2e206c13336a61310b51b48c5ba5fd1a2ccd0ecdb88.exe

Executes dropped EXE 1 IoCs

pid	Process
4480	s5249.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	7601742c5daa223d23f8c2e206c13336a61310b51b48c5ba5fd1a2ccd0ecdb88.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	s5249.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	s5249.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	s5249.exe
File opened for modification	C:\Windows\assembly	s5249.exe
File created	C:\Windows\assembly\Desktop.ini	s5249.exe

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

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	7601742c5daa223d23f8c2e206c13336a61310b51b48c5ba5fd1a2ccd0ecdb88.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	7601742c5daa223d23f8c2e206c13336a61310b51b48c5ba5fd1a2ccd0ecdb88.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

Modify Registry

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81\Blob = 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	s5249.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81\Blob = 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	s5249.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81	s5249.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2844	7601742c5daa223d23f8c2e206c13336a61310b51b48c5ba5fd1a2ccd0ecdb88.exe
2844	7601742c5daa223d23f8c2e206c13336a61310b51b48c5ba5fd1a2ccd0ecdb88.exe
4480	s5249.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4480	s5249.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 4480	2844	7601742c5daa223d23f8c2e206c13336a61310b51b48c5ba5fd1a2ccd0ecdb88.exe	86
PID 2844 wrote to memory of 4480	2844	7601742c5daa223d23f8c2e206c13336a61310b51b48c5ba5fd1a2ccd0ecdb88.exe	86

C:\Users\Admin\AppData\Local\Temp\7601742c5daa223d23f8c2e206c13336a61310b51b48c5ba5fd1a2ccd0ecdb88.exe
"C:\Users\Admin\AppData\Local\Temp\7601742c5daa223d23f8c2e206c13336a61310b51b48c5ba5fd1a2ccd0ecdb88.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks computer location settings
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Users\Admin\AppData\Local\Temp\n5249\s5249.exe
  "C:\Users\Admin\AppData\Local\Temp\n5249\s5249.exe" 7431b6bc2664ebc2aa5fd8c2ig1efiMs5WYzQ/bZd9IsGw2EO7iWnHPethngDy8bKUTVXMtkFx3FFNjbl/LYgjuah3vqqCIj6sYDmlxegtfAIBpStCiM57wh6PfE0OegloOM3n9H1Lp1bEeDc5ccw4JqrKWWmhDhvTgzsgRM9hd+kLK9 /v "C:\Users\Admin\AppData\Local\Temp\7601742c5daa223d23f8c2e206c13336a61310b51b48c5ba5fd1a2ccd0ecdb88.exe"
  2⤵
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Drops file in Windows directory
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4480

Network

DNS

ocsp.thawte.com

s5249.exe

Remote address:

8.8.8.8:53

Request

ocsp.thawte.com

IN A

Response

ocsp.thawte.com

IN CNAME

ocsp-ds.ws.symantec.com.edgekey.net

ocsp-ds.ws.symantec.com.edgekey.net

IN CNAME

e8218.dscb1.akamaiedge.net

e8218.dscb1.akamaiedge.net

IN A

23.51.123.27
DNS

crl.thawte.com

s5249.exe

Remote address:

8.8.8.8:53

Request

crl.thawte.com

IN A

Response

crl.thawte.com

IN CNAME

crl-symcprod.digicert.com

crl-symcprod.digicert.com

IN CNAME

cs9.wac.phicdn.net

cs9.wac.phicdn.net

IN A

72.21.91.29
GET

http://crl.thawte.com/ThawtePCA.crl

s5249.exe

Remote address:

72.21.91.29:80

Request

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

Response

HTTP/1.1 200 OK

Accept-Ranges: bytes
Age: 3362
Cache-Control: public, max-age=3600
Content-Type: application/pkix-crl
Date: Mon, 28 Nov 2022 09:41:28 GMT
Last-Modified: Mon, 28 Nov 2022 08:45:26 GMT
Server: ECS (bsa/EB1F)
X-Cache: HIT
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
Content-Length: 604
DNS

th.symcd.com

s5249.exe

Remote address:

8.8.8.8:53

Request

th.symcd.com

IN A

Response

th.symcd.com

IN CNAME

ocsp-ds.ws.symantec.com.edgekey.net

ocsp-ds.ws.symantec.com.edgekey.net

IN CNAME

e8218.dscb1.akamaiedge.net

e8218.dscb1.akamaiedge.net

IN A

23.51.123.27
DNS

th.symcb.com

s5249.exe

Remote address:

8.8.8.8:53

Request

th.symcb.com

IN A

Response

th.symcb.com

IN CNAME

crl-symcprod.digicert.com

crl-symcprod.digicert.com

IN CNAME

cs9.wac.phicdn.net

cs9.wac.phicdn.net

IN A

72.21.91.29
GET

http://th.symcb.com/th.crl

s5249.exe

Remote address:

72.21.91.29:80

Request

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

Response

HTTP/1.1 200 OK

Accept-Ranges: bytes
Age: 1328
Cache-Control: public, max-age=3600
Content-Type: application/pkix-crl
Date: Mon, 28 Nov 2022 09:41:31 GMT
Last-Modified: Mon, 28 Nov 2022 09:19:23 GMT
Server: ECS (bsa/EB18)
X-Cache: HIT
X-Content-Type-Options: nosniff
X-EC-BBR-Enable: 1
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
Content-Length: 192257

209.197.3.8:80

322 B
7
209.197.3.8:80

260 B
5
20.189.173.11:443

322 B
7
104.80.225.205:443

322 B
7
23.51.123.27:80

ocsp.thawte.com

s5249.exe

260 B
5
72.21.91.29:80

http://crl.thawte.com/ThawtePCA.crl

http

s5249.exe

358 B
1.1kB
5
4

HTTP Request

GET http://crl.thawte.com/ThawtePCA.crl

HTTP Response

200
23.51.123.27:80

th.symcd.com

s5249.exe

260 B
5
72.21.91.29:80

http://th.symcb.com/th.crl

http

s5249.exe

3.6kB
198.4kB
75
144

HTTP Request

GET http://th.symcb.com/th.crl

HTTP Response

200

8.8.8.8:53

ocsp.thawte.com

dns

s5249.exe

61 B
163 B
1
1

DNS Request

ocsp.thawte.com

DNS Response

23.51.123.27
8.8.8.8:53

crl.thawte.com

dns

s5249.exe

60 B
144 B
1
1

DNS Request

crl.thawte.com

DNS Response

72.21.91.29
8.8.8.8:53

th.symcd.com

dns

s5249.exe

58 B
160 B
1
1

DNS Request

th.symcd.com

DNS Response

23.51.123.27
8.8.8.8:53

th.symcb.com

dns

s5249.exe

58 B
142 B
1
1

DNS Request

th.symcb.com

DNS Response

72.21.91.29

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\n5249\s5249.exe

Filesize
230KB

MD5
abaf13cb23de482dc944ab5b51ca3aac

SHA1
76837356db96dd56b647aba60f1adbbdc7b200fe

SHA256
b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

SHA512
cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

Download Submit
C:\Users\Admin\AppData\Local\Temp\n5249\s5249.exe

Filesize
230KB

MD5
abaf13cb23de482dc944ab5b51ca3aac

SHA1
76837356db96dd56b647aba60f1adbbdc7b200fe

SHA256
b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

SHA512
cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

Download Submit
memory/4480-135-0x00007FFAAEEF0000-0x00007FFAAF926000-memory.dmp

Filesize
10.2MB

Download