8ef16d53048177e8d3084bb8bbc4c1f7f291b56d25e15f6523aab7712805856e

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
22/10/2023, 17:33

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General

Target

NEAS.fa35b2daeea4893c39c7757406645af0.exe
Size

473KB
MD5

fa35b2daeea4893c39c7757406645af0
SHA1

5a4db2dfa8b4065ec4a07eac157d9d0b9c6609a7
SHA256

8ef16d53048177e8d3084bb8bbc4c1f7f291b56d25e15f6523aab7712805856e
SHA512

a24a57ea24a1751bed2186c267190ecc18feefed2419a94566d7839b8034fa6fe9c695a4b0de7bbf73bb6486d857eb61016733f2cca93238dd305bee7f23edf1
SSDEEP

1536:ur3Z5IfQmv81a1xyXHZ+NGQSLNmCm6oyz7jBd7qDmbNPMJAVC+++6:yJOfQm01mxyXHZKG7pm6j77C

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
812	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-1-5-21-1511405631-3522522280-778892991-1000\Control Panel\International\Geo\Nation	NEAS.fa35b2daeea4893c39c7757406645af0.exe

Executes dropped EXE 1 IoCs

pid	Process
2384	pwshost.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\pwshost.exe	NEAS.fa35b2daeea4893c39c7757406645af0.exe
File opened for modification	C:\Windows\Debug\pwshost.exe	NEAS.fa35b2daeea4893c39c7757406645af0.exe
File opened for modification	C:\Windows\Debug\pwshost.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	3380	NEAS.fa35b2daeea4893c39c7757406645af0.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3380 wrote to memory of 812	3380	NEAS.fa35b2daeea4893c39c7757406645af0.exe	88
PID 3380 wrote to memory of 812	3380	NEAS.fa35b2daeea4893c39c7757406645af0.exe	88
PID 3380 wrote to memory of 812	3380	NEAS.fa35b2daeea4893c39c7757406645af0.exe	88
PID 3380 wrote to memory of 3876	3380	NEAS.fa35b2daeea4893c39c7757406645af0.exe	91
PID 3380 wrote to memory of 3876	3380	NEAS.fa35b2daeea4893c39c7757406645af0.exe	91
PID 3380 wrote to memory of 3876	3380	NEAS.fa35b2daeea4893c39c7757406645af0.exe	91

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
812	attrib.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.fa35b2daeea4893c39c7757406645af0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.fa35b2daeea4893c39c7757406645af0.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3380
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\pwshost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - Views/modifies file attributes
  PID:812
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\NEASFA~1.EXE > nul
  2⤵
  PID:3876

C:\Windows\Debug\pwshost.exe
C:\Windows\Debug\pwshost.exe
1⤵
- Executes dropped EXE
PID:2384

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\pwshost.exe

Filesize
473KB

MD5
b56cf7e1c611d6abc2cd691891485079

SHA1
92ddb49553e80df8b0ffa685d486cc6fa248b6bb

SHA256
b2f1a61380bfa882bdc1d568efd240a31d796abe3ef1b6e032716049b8b48398

SHA512
85edff22fdace69ceade7baa31f89a3fad06285860a98215b437fcf24e1a55f096088c224621aa0b632f9869df227d1ef5af4e0e0d2449a97c1294d86d808fe4

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C:\Windows\debug\pwshost.exe

Filesize
473KB

MD5
b56cf7e1c611d6abc2cd691891485079

SHA1
92ddb49553e80df8b0ffa685d486cc6fa248b6bb

SHA256
b2f1a61380bfa882bdc1d568efd240a31d796abe3ef1b6e032716049b8b48398

SHA512
85edff22fdace69ceade7baa31f89a3fad06285860a98215b437fcf24e1a55f096088c224621aa0b632f9869df227d1ef5af4e0e0d2449a97c1294d86d808fe4

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads