2ddb9a2e81f092f5ae66d8922b3c19aefa92a88b99f89c37ee11258bff4b8652

Analysis

max time kernel
72s
max time network
47s
platform
windows7_x64
resource
win7-20220414-en
submitted
22-06-2022 13:24

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General

Target

2ddb9a2e81f092f5ae66d8922b3c19aefa92a88b99f89c37ee11258bff4b8652.exe
Size

414KB
MD5

9b7f3d85f89fce7fd23cba7e4ed48ea0
SHA1

7fe0138a8a5c1218ecf12ce3430f7ba3e92e027f
SHA256

2ddb9a2e81f092f5ae66d8922b3c19aefa92a88b99f89c37ee11258bff4b8652
SHA512

340c6ab0a6e44d66c8e9e9097e3607d1399df7f740ee23d95b259befbd152e659cda488f304223a61cbc6bf1c377fd780ff5bf4d9a0b102d5e7e0cdc05213ab0

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
880	2ddb9a2e81f092f5ae66d8922b3c19aefa92a88b99f89c37ee11258bff4b8652.exe
880	2ddb9a2e81f092f5ae66d8922b3c19aefa92a88b99f89c37ee11258bff4b8652.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\win.ini	2ddb9a2e81f092f5ae66d8922b3c19aefa92a88b99f89c37ee11258bff4b8652.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 1 IoCs

pid	pid_target	Process	procid_target
1236	880	WerFault.exe	6

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 1236	880	2ddb9a2e81f092f5ae66d8922b3c19aefa92a88b99f89c37ee11258bff4b8652.exe	27
PID 880 wrote to memory of 1236	880	2ddb9a2e81f092f5ae66d8922b3c19aefa92a88b99f89c37ee11258bff4b8652.exe	27
PID 880 wrote to memory of 1236	880	2ddb9a2e81f092f5ae66d8922b3c19aefa92a88b99f89c37ee11258bff4b8652.exe	27
PID 880 wrote to memory of 1236	880	2ddb9a2e81f092f5ae66d8922b3c19aefa92a88b99f89c37ee11258bff4b8652.exe	27

C:\Users\Admin\AppData\Local\Temp\2ddb9a2e81f092f5ae66d8922b3c19aefa92a88b99f89c37ee11258bff4b8652.exe
"C:\Users\Admin\AppData\Local\Temp\2ddb9a2e81f092f5ae66d8922b3c19aefa92a88b99f89c37ee11258bff4b8652.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:880
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 880 -s 484
  2⤵
  - Program crash
  PID:1236

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

\Users\Admin\AppData\Local\Temp\legitimization.dll

Filesize
64KB

MD5
9fc7360e69776937f2238705b29aad49

SHA1
1243db16ff8f739ed3b559d8dd39d5ee99bdbbaf

SHA256
e25ea119e9e3d2e1be97f8109470c0237122218dd5deaa404d1586205dd4a926

SHA512
2465466aafff303eb051b061479b7ea90abbf3a8c9a1f886cafe175fc0b677f954d1e41a20f1aa253eb05dfbc0a25847d2b5145c831e71e43dc4c7887128faee

Download Submit
\Users\Admin\AppData\Local\Temp\nso9A6E.tmp\System.dll

Filesize
11KB

MD5
fbe295e5a1acfbd0a6271898f885fe6a

SHA1
d6d205922e61635472efb13c2bb92c9ac6cb96da

SHA256
a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1

SHA512
2cb596971e504eaf1ce8e3f09719ebfb3f6234cea5ca7b0d33ec7500832ff4b97ec2bbe15a1fbf7e6a5b02c59db824092b9562cd8991f4d027feab6fd3177b06

Download Submit
memory/880-54-0x0000000075941000-0x0000000075943000-memory.dmp

Filesize
8KB

Download
memory/880-57-0x0000000000450000-0x0000000000463000-memory.dmp

Filesize
76KB

Download
memory/880-64-0x0000000000480000-0x0000000000488000-memory.dmp

Filesize
32KB

Download