ee771e4758567e38bb34fd4daa12b5d6b81b0dade627f5eff8a9421951c788e3

Analysis

max time kernel
140s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
31/10/2023, 08:54

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General

Target

NEAS.72783d6933b7de3cf2d3fdf550be47c0.exe
Size

93KB
MD5

72783d6933b7de3cf2d3fdf550be47c0
SHA1

cf1690b513d3aeeb6681331197bca20704248f6e
SHA256

ee771e4758567e38bb34fd4daa12b5d6b81b0dade627f5eff8a9421951c788e3
SHA512

c26610eece5c35d1ff8ebf2d1afd2f87a4415b2dec9f15af1dd439a2ee4a48fd90e286e516ebdecdc72573779b5e8496f87b8cb562c3e11a6eabec56b6ad2127
SSDEEP

1536:PGYU/W2/HG6QMauSV3ixJHABLrmhH7i9CO+WHg7zRZICrWaGZh7ed:PfU/WF6QMauSuiWNi9CO+WARJrWNZ8d

Score

7^/10

persistence

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-1-5-21-984744499-3605095035-265325720-1000\Control Panel\International\Geo\Nation	NEAS.72783d6933b7de3cf2d3fdf550be47c0.exe

Executes dropped EXE 1 IoCs

pid	Process
4652	wuauclt.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\wuauclt.exe\" /run"	NEAS.72783d6933b7de3cf2d3fdf550be47c0.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4084 wrote to memory of 4652	4084	NEAS.72783d6933b7de3cf2d3fdf550be47c0.exe	86
PID 4084 wrote to memory of 4652	4084	NEAS.72783d6933b7de3cf2d3fdf550be47c0.exe	86
PID 4084 wrote to memory of 4652	4084	NEAS.72783d6933b7de3cf2d3fdf550be47c0.exe	86
PID 4084 wrote to memory of 2476	4084	NEAS.72783d6933b7de3cf2d3fdf550be47c0.exe	100
PID 4084 wrote to memory of 2476	4084	NEAS.72783d6933b7de3cf2d3fdf550be47c0.exe	100
PID 4084 wrote to memory of 2476	4084	NEAS.72783d6933b7de3cf2d3fdf550be47c0.exe	100

C:\Users\Admin\AppData\Local\Temp\NEAS.72783d6933b7de3cf2d3fdf550be47c0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.72783d6933b7de3cf2d3fdf550be47c0.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4084
- C:\ProgramData\Update\wuauclt.exe
  "C:\ProgramData\Update\wuauclt.exe" /run
  2⤵
  - Executes dropped EXE
  PID:4652
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\NEAS.72783d6933b7de3cf2d3fdf550be47c0.exe" >> NUL
  2⤵
  PID:2476

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Update\wuauclt.exe

Filesize
93KB

MD5
2a3d31ccb8f671c237f7eab6a745e172

SHA1
efb6a166061cd014d2a8c9f50b88333a7f0dd968

SHA256
6c77288c4d6e4286613d0247b73233bdfcb1db6cd55cb2d72f382652e8d69096

SHA512
cf829b92f6a8af4b629b7bd057c536b70ecfd9bdd7ecf0fca1d2aa8a9919b346b2d9eef0072e9ec5780d895355c816e6a62932cc63ebf4da1a06e9a0471cae62

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C:\ProgramData\Update\wuauclt.exe

Filesize
93KB

MD5
2a3d31ccb8f671c237f7eab6a745e172

SHA1
efb6a166061cd014d2a8c9f50b88333a7f0dd968

SHA256
6c77288c4d6e4286613d0247b73233bdfcb1db6cd55cb2d72f382652e8d69096

SHA512
cf829b92f6a8af4b629b7bd057c536b70ecfd9bdd7ecf0fca1d2aa8a9919b346b2d9eef0072e9ec5780d895355c816e6a62932cc63ebf4da1a06e9a0471cae62

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads