8a3b0fadb3d29acc80da1aab63d7a8d966a0a30af1652578f37cabdbda619863

Analysis

max time kernel
142s
max time network
154s
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, 18:04

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General

Target

NEAS.29a98a2e7b592b81b1575da3f1450150.exe
Size

473KB
MD5

29a98a2e7b592b81b1575da3f1450150
SHA1

abb5a5799db34a07d72ed67d17a2439712b3c257
SHA256

8a3b0fadb3d29acc80da1aab63d7a8d966a0a30af1652578f37cabdbda619863
SHA512

4a1f805e54f8f465991c82ecfb7f4961a1cf8fee30cf44cd3873ecb54b02abb57650430e559e33bf0f1841ab27c6f7002135b7d25325866105e82f82ba2d441e
SSDEEP

1536:ur3Z5IfQmv81a1xyXHZ+NGQSLNmCm6oyz7jBd7qDmbNPMJAVC+++h:yJOfQm01mxyXHZKG7pm6j77Z

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
3884	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-1-5-21-2231940048-779848787-2990559741-1000\Control Panel\International\Geo\Nation	NEAS.29a98a2e7b592b81b1575da3f1450150.exe

Executes dropped EXE 1 IoCs

pid	Process
2288	guehost.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\guehost.exe	NEAS.29a98a2e7b592b81b1575da3f1450150.exe
File opened for modification	C:\Windows\Debug\guehost.exe	NEAS.29a98a2e7b592b81b1575da3f1450150.exe
File opened for modification	C:\Windows\Debug\guehost.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	548	NEAS.29a98a2e7b592b81b1575da3f1450150.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 3884	548	NEAS.29a98a2e7b592b81b1575da3f1450150.exe	82
PID 548 wrote to memory of 3884	548	NEAS.29a98a2e7b592b81b1575da3f1450150.exe	82
PID 548 wrote to memory of 3884	548	NEAS.29a98a2e7b592b81b1575da3f1450150.exe	82
PID 548 wrote to memory of 1672	548	NEAS.29a98a2e7b592b81b1575da3f1450150.exe	88
PID 548 wrote to memory of 1672	548	NEAS.29a98a2e7b592b81b1575da3f1450150.exe	88
PID 548 wrote to memory of 1672	548	NEAS.29a98a2e7b592b81b1575da3f1450150.exe	88

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3884	attrib.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.29a98a2e7b592b81b1575da3f1450150.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.29a98a2e7b592b81b1575da3f1450150.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:548
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\guehost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - Views/modifies file attributes
  PID:3884
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\NEAS29~1.EXE > nul
  2⤵
  PID:1672

C:\Windows\Debug\guehost.exe
C:\Windows\Debug\guehost.exe
1⤵
- Executes dropped EXE
PID:2288

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\guehost.exe

Filesize
473KB

MD5
f1bbe5695d0b23f1d11ac889fcc6eb90

SHA1
5933d5548a7709d05c64c3301221d5c465cd0e8c

SHA256
b72e64f82582035b9ba2ea5515af63bd4a848aee92e85760915d9a70db463f5d

SHA512
f082e2232e24ec51d4b64c2507c920952121c54600e7bdcd86966d784991cbba14fff7244fa3287fe003a2d6164dd0e248904d1e626e695d23ee136e27ff1143

Download Submit
C:\Windows\debug\guehost.exe

Filesize
473KB

MD5
f1bbe5695d0b23f1d11ac889fcc6eb90

SHA1
5933d5548a7709d05c64c3301221d5c465cd0e8c

SHA256
b72e64f82582035b9ba2ea5515af63bd4a848aee92e85760915d9a70db463f5d

SHA512
f082e2232e24ec51d4b64c2507c920952121c54600e7bdcd86966d784991cbba14fff7244fa3287fe003a2d6164dd0e248904d1e626e695d23ee136e27ff1143

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads