ffa7cbcfdc97c1bd2b043123d12dfb38754f93e4c9d6ec8d7bbdc8edc555f612

Analysis

max time kernel
189s
max time network
199s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
28/10/2023, 18:03

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General

Target

NEAS.1978093d098dafaa49c4fe49218b7a50.exe
Size

473KB
MD5

1978093d098dafaa49c4fe49218b7a50
SHA1

d56298d42d3d2a23c3112e1eb6305cf9cff9dd9f
SHA256

ffa7cbcfdc97c1bd2b043123d12dfb38754f93e4c9d6ec8d7bbdc8edc555f612
SHA512

6c618955be4a4bce11958a986b1b7f9eb9e11ec35cea663aab7432df36047c247b7878c43ba9dc554877a2ad5203147e6237fb4c45fea0d12f22341764c049a2
SSDEEP

1536:ur3Z5IfQmv81a1xyXHZ+NGQSLNmCm6oyz7jBd7qDmbNPMJAVC+++f:yJOfQm01mxyXHZKG7pm6j77X

Score

8^/10

evasion

Malware Config

Signatures

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
5012	attrib.exe

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-1-5-21-1114462139-3090196418-29517368-1000\Control Panel\International\Geo\Nation	NEAS.1978093d098dafaa49c4fe49218b7a50.exe

Executes dropped EXE 1 IoCs

pid	Process
1480	cwshost.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\cwshost.exe	NEAS.1978093d098dafaa49c4fe49218b7a50.exe
File opened for modification	C:\Windows\Debug\cwshost.exe	NEAS.1978093d098dafaa49c4fe49218b7a50.exe
File opened for modification	C:\Windows\Debug\cwshost.exe	attrib.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4112	NEAS.1978093d098dafaa49c4fe49218b7a50.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4112 wrote to memory of 5012	4112	NEAS.1978093d098dafaa49c4fe49218b7a50.exe	88
PID 4112 wrote to memory of 5012	4112	NEAS.1978093d098dafaa49c4fe49218b7a50.exe	88
PID 4112 wrote to memory of 5012	4112	NEAS.1978093d098dafaa49c4fe49218b7a50.exe	88
PID 4112 wrote to memory of 948	4112	NEAS.1978093d098dafaa49c4fe49218b7a50.exe	93
PID 4112 wrote to memory of 948	4112	NEAS.1978093d098dafaa49c4fe49218b7a50.exe	93
PID 4112 wrote to memory of 948	4112	NEAS.1978093d098dafaa49c4fe49218b7a50.exe	93

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
5012	attrib.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.1978093d098dafaa49c4fe49218b7a50.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.1978093d098dafaa49c4fe49218b7a50.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4112
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\cwshost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - Views/modifies file attributes
  PID:5012
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\NEAS19~1.EXE > nul
  2⤵
  PID:948

C:\Windows\Debug\cwshost.exe
C:\Windows\Debug\cwshost.exe
1⤵
- Executes dropped EXE
PID:1480

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\Debug\cwshost.exe

Filesize
473KB

MD5
24d447c2bbefaa8bac59f78b5373a494

SHA1
0fdda8d6a136aa8500eba235da54b5461e707693

SHA256
e83ac7c30611d6e702fa5aac417b164371692990b22a09fcfa14914e43bc4b8c

SHA512
8a93cfd0084880d755d38e6b062721c4fa2ec9d668ac2a407146b387f581886aec88181725e788f8243fd8e669622f74be475c2efca090be03a04d99bbb259eb

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C:\Windows\debug\cwshost.exe

Filesize
473KB

MD5
24d447c2bbefaa8bac59f78b5373a494

SHA1
0fdda8d6a136aa8500eba235da54b5461e707693

SHA256
e83ac7c30611d6e702fa5aac417b164371692990b22a09fcfa14914e43bc4b8c

SHA512
8a93cfd0084880d755d38e6b062721c4fa2ec9d668ac2a407146b387f581886aec88181725e788f8243fd8e669622f74be475c2efca090be03a04d99bbb259eb

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads