3b5595b795d70ec31fce9dba0cab854be56c8f8a8b9ff96bc98b4e5a1aeddcf7

Analysis

max time kernel
192s
max time network
198s
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, 02:33 UTC

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General

Target

3b5595b795d70ec31fce9dba0cab854be56c8f8a8b9ff96bc98b4e5a1aeddcf7.exe
Size

2.8MB
MD5

7336c6141d416fd64bb04ae5e974c294
SHA1

8448552b52c5450aee3201f354b7bc9aa3961e70
SHA256

3b5595b795d70ec31fce9dba0cab854be56c8f8a8b9ff96bc98b4e5a1aeddcf7
SHA512

acef690b167447f2ca94fd878f0b8a6af821aad590607c3af83d3b80cfe2c127efc23b2331012884c5c83e11d814d5535264e5a6d54e30ae4129abd46f4c2c4c
SSDEEP

49152:EGM4GOrnHwDQSkRfYNjX5+nCi1a67GV+d4L28hUZzqmZxPHvLm48fXq7C:RDGnkRWN+Ci067DeL2iUZz9ZdvyjfXMC

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
3016	3b5595b795d70ec31fce9dba0cab854be56c8f8a8b9ff96bc98b4e5a1aeddcf7.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
804	3016	WerFault.exe	81
5112	3016	WerFault.exe	81

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3016	3b5595b795d70ec31fce9dba0cab854be56c8f8a8b9ff96bc98b4e5a1aeddcf7.exe
3016	3b5595b795d70ec31fce9dba0cab854be56c8f8a8b9ff96bc98b4e5a1aeddcf7.exe
3016	3b5595b795d70ec31fce9dba0cab854be56c8f8a8b9ff96bc98b4e5a1aeddcf7.exe
3016	3b5595b795d70ec31fce9dba0cab854be56c8f8a8b9ff96bc98b4e5a1aeddcf7.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 804	3016	3b5595b795d70ec31fce9dba0cab854be56c8f8a8b9ff96bc98b4e5a1aeddcf7.exe	88
PID 3016 wrote to memory of 804	3016	3b5595b795d70ec31fce9dba0cab854be56c8f8a8b9ff96bc98b4e5a1aeddcf7.exe	88
PID 3016 wrote to memory of 804	3016	3b5595b795d70ec31fce9dba0cab854be56c8f8a8b9ff96bc98b4e5a1aeddcf7.exe	88

C:\Users\Admin\AppData\Local\Temp\3b5595b795d70ec31fce9dba0cab854be56c8f8a8b9ff96bc98b4e5a1aeddcf7.exe
"C:\Users\Admin\AppData\Local\Temp\3b5595b795d70ec31fce9dba0cab854be56c8f8a8b9ff96bc98b4e5a1aeddcf7.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 1288
  2⤵
  - Program crash
  PID:804
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 1288
  2⤵
  - Program crash
  PID:5112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3016 -ip 3016
1⤵
PID:3464

Network

DNS

config.dianxinkan.com

3b5595b795d70ec31fce9dba0cab854be56c8f8a8b9ff96bc98b4e5a1aeddcf7.exe

Remote address:

8.8.8.8:53

Request

config.dianxinkan.com

IN A

Response

config.dianxinkan.com

IN CNAME

ziyuan.baidu.com

ziyuan.baidu.com

IN CNAME

ziyuan.n.shifen.com

ziyuan.n.shifen.com

IN A

182.61.201.50

ziyuan.n.shifen.com

IN A

182.61.201.90

ziyuan.n.shifen.com

IN A

182.61.201.91

ziyuan.n.shifen.com

IN A

182.61.201.92
DNS

164.2.77.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

164.2.77.40.in-addr.arpa

IN PTR

Response
DNS

f.7.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.7.0.0.0.0.3.0.1.3.0.6.2.ip6.arpa

Remote address:

8.8.8.8:53

Request

f.7.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.7.0.0.0.0.3.0.1.3.0.6.2.ip6.arpa

IN PTR

Response

93.184.221.240:80

260 B
5
93.184.221.240:80

260 B
5
93.184.221.240:80

260 B
5
93.184.221.240:80

260 B
5
52.182.143.211:443

322 B
7
104.80.225.205:443

322 B
7
93.184.221.240:80

260 B
5
93.184.221.240:80

260 B
5
182.61.201.50:80

config.dianxinkan.com

3b5595b795d70ec31fce9dba0cab854be56c8f8a8b9ff96bc98b4e5a1aeddcf7.exe

260 B
5
93.184.221.240:80

322 B
7
93.184.221.240:80

322 B
7
93.184.221.240:80

260 B
5

8.8.8.8:53

config.dianxinkan.com

dns

3b5595b795d70ec31fce9dba0cab854be56c8f8a8b9ff96bc98b4e5a1aeddcf7.exe

67 B
188 B
1
1

DNS Request

config.dianxinkan.com

DNS Response

182.61.201.50

182.61.201.90

182.61.201.91

182.61.201.92
8.8.8.8:53

164.2.77.40.in-addr.arpa

dns

70 B
144 B
1
1

DNS Request

164.2.77.40.in-addr.arpa
8.8.8.8:53

f.7.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.7.0.0.0.0.3.0.1.3.0.6.2.ip6.arpa

dns

118 B
204 B
1
1

DNS Request

f.7.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.7.0.0.0.0.3.0.1.3.0.6.2.ip6.arpa

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\112722812130\LZMA.dll

Filesize
67KB

MD5
d0f2416807f04c559e6394a0a4c7f1d1

SHA1
7df43ffa3716156d282b1e37d12dd1122f0a762c

SHA256
0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

SHA512
8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

DNS Request

DNS Response

DNS Request

DNS Request

MITRE ATT&CK Enterprise v6

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Downloads

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