afd77b9ffd59268b5e190b30785223b0c5bc8fbecf4379465c2b36a9df5ff805

Analysis

max time kernel
91s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
27-11-2022 17:42

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General

Target

afd77b9ffd59268b5e190b30785223b0c5bc8fbecf4379465c2b36a9df5ff805.exe
Size

3.4MB
MD5

acb97f7f46ecc998055a18bac0598a4d
SHA1

3e65746a499ae8183cd5af361ec813759d60fa82
SHA256

afd77b9ffd59268b5e190b30785223b0c5bc8fbecf4379465c2b36a9df5ff805
SHA512

97555c18611da93f1deb50ae2467711163b14abb2bb8c9bd26d631a62dc173109d50455fa420b2967fa2759b5e5d3eb84d3f0c82b9d48ef453501a273007edf2
SSDEEP

98304:jJDC5ue1FbbzvD0ECIJ457WIPXpiqGxGVNebSivZnK:jJ+5ue1FbvvwECIa5dP5Uwe2UE

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4624	afd77b9ffd59268b5e190b30785223b0c5bc8fbecf4379465c2b36a9df5ff805.tmp

Loads dropped DLL 2 IoCs

pid	Process
4624	afd77b9ffd59268b5e190b30785223b0c5bc8fbecf4379465c2b36a9df5ff805.tmp
4624	afd77b9ffd59268b5e190b30785223b0c5bc8fbecf4379465c2b36a9df5ff805.tmp

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4624	afd77b9ffd59268b5e190b30785223b0c5bc8fbecf4379465c2b36a9df5ff805.tmp
4624	afd77b9ffd59268b5e190b30785223b0c5bc8fbecf4379465c2b36a9df5ff805.tmp
4624	afd77b9ffd59268b5e190b30785223b0c5bc8fbecf4379465c2b36a9df5ff805.tmp
4624	afd77b9ffd59268b5e190b30785223b0c5bc8fbecf4379465c2b36a9df5ff805.tmp

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5064 wrote to memory of 4624	5064	afd77b9ffd59268b5e190b30785223b0c5bc8fbecf4379465c2b36a9df5ff805.exe	76
PID 5064 wrote to memory of 4624	5064	afd77b9ffd59268b5e190b30785223b0c5bc8fbecf4379465c2b36a9df5ff805.exe	76
PID 5064 wrote to memory of 4624	5064	afd77b9ffd59268b5e190b30785223b0c5bc8fbecf4379465c2b36a9df5ff805.exe	76

C:\Users\Admin\AppData\Local\Temp\afd77b9ffd59268b5e190b30785223b0c5bc8fbecf4379465c2b36a9df5ff805.exe
"C:\Users\Admin\AppData\Local\Temp\afd77b9ffd59268b5e190b30785223b0c5bc8fbecf4379465c2b36a9df5ff805.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5064
- C:\Users\Admin\AppData\Local\Temp\is-840CR.tmp\afd77b9ffd59268b5e190b30785223b0c5bc8fbecf4379465c2b36a9df5ff805.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-840CR.tmp\afd77b9ffd59268b5e190b30785223b0c5bc8fbecf4379465c2b36a9df5ff805.tmp" /SL5="$901DC,2842439,70144,C:\Users\Admin\AppData\Local\Temp\afd77b9ffd59268b5e190b30785223b0c5bc8fbecf4379465c2b36a9df5ff805.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:4624

Network

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-840CR.tmp\afd77b9ffd59268b5e190b30785223b0c5bc8fbecf4379465c2b36a9df5ff805.tmp

Filesize
1.2MB

MD5
e7106fbf42fbc6d5b08a18ada4f781b4

SHA1
36d4a629f79d772c0b0df8bd2ae2ea09108d239d

SHA256
64e1f1fa7d91920b17bc7bc679a4cd8d87ff5b104318b6921bb6bf6a19055635

SHA512
adf876296a952aadeb4f25211c0939bf5a278809b5d3007ad7e26c5d4975e7684d242c1b3de796efd474a47cb7ecdb80f9047935924a1108bf0e4d7c973d1845

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-840CR.tmp\afd77b9ffd59268b5e190b30785223b0c5bc8fbecf4379465c2b36a9df5ff805.tmp

Filesize
1.2MB

MD5
e7106fbf42fbc6d5b08a18ada4f781b4

SHA1
36d4a629f79d772c0b0df8bd2ae2ea09108d239d

SHA256
64e1f1fa7d91920b17bc7bc679a4cd8d87ff5b104318b6921bb6bf6a19055635

SHA512
adf876296a952aadeb4f25211c0939bf5a278809b5d3007ad7e26c5d4975e7684d242c1b3de796efd474a47cb7ecdb80f9047935924a1108bf0e4d7c973d1845

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-L24J7.tmp\DownLib.dll

Filesize
183KB

MD5
db25dfdd4c1f2b65c68a230881072695

SHA1
94cd6a3438041f0e61b0a1bea7b66461854efe69

SHA256
1b66aaf1e7e3c493dd96af3b7442ea60072f6e93ba45281eacd31a14ca7e7e73

SHA512
db69e4ab2218856e5184d9094e7e39705b83e3efdc15225067205c8faf6e5836145364f1d509192defa3b48864e72b9f8c0f2dc53a7adb2b86c655318b7afc2c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-L24J7.tmp\DownLib.dll

Filesize
183KB

MD5
db25dfdd4c1f2b65c68a230881072695

SHA1
94cd6a3438041f0e61b0a1bea7b66461854efe69

SHA256
1b66aaf1e7e3c493dd96af3b7442ea60072f6e93ba45281eacd31a14ca7e7e73

SHA512
db69e4ab2218856e5184d9094e7e39705b83e3efdc15225067205c8faf6e5836145364f1d509192defa3b48864e72b9f8c0f2dc53a7adb2b86c655318b7afc2c

Download Submit
memory/4624-140-0x0000000003AF0000-0x0000000003B27000-memory.dmp

Filesize
220KB

Download
memory/5064-132-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/5064-137-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download