8a3b0fadb3d29acc80da1aab63d7a8d966a0a30af1652578f37cabdbda619863

Analysis

max time kernel
141s
max time network
126s
platform
windows7_x64
resource
win7-20231025-en
resource tags

arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
submitted
28-10-2023 18:04

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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
3004	attrib.exe

Deletes itself 1 IoCs

pid	Process
2160	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1948	iuyhost.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\iuyhost.exe	NEAS.29a98a2e7b592b81b1575da3f1450150.exe
File opened for modification	C:\Windows\Debug\iuyhost.exe	attrib.exe
File created	C:\Windows\Debug\iuyhost.exe	NEAS.29a98a2e7b592b81b1575da3f1450150.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	2944	NEAS.29a98a2e7b592b81b1575da3f1450150.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 3004	2944	NEAS.29a98a2e7b592b81b1575da3f1450150.exe	28
PID 2944 wrote to memory of 3004	2944	NEAS.29a98a2e7b592b81b1575da3f1450150.exe	28
PID 2944 wrote to memory of 3004	2944	NEAS.29a98a2e7b592b81b1575da3f1450150.exe	28
PID 2944 wrote to memory of 3004	2944	NEAS.29a98a2e7b592b81b1575da3f1450150.exe	28
PID 2944 wrote to memory of 2160	2944	NEAS.29a98a2e7b592b81b1575da3f1450150.exe	31
PID 2944 wrote to memory of 2160	2944	NEAS.29a98a2e7b592b81b1575da3f1450150.exe	31
PID 2944 wrote to memory of 2160	2944	NEAS.29a98a2e7b592b81b1575da3f1450150.exe	31
PID 2944 wrote to memory of 2160	2944	NEAS.29a98a2e7b592b81b1575da3f1450150.exe	31

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3004	attrib.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.29a98a2e7b592b81b1575da3f1450150.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.29a98a2e7b592b81b1575da3f1450150.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2944
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\iuyhost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - Views/modifies file attributes
  PID:3004
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\NEAS29~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2160

C:\Windows\Debug\iuyhost.exe
C:\Windows\Debug\iuyhost.exe
1⤵
- Executes dropped EXE
PID:1948

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\Debug\iuyhost.exe

Filesize
473KB

MD5
ece6d60fd2077f31affd481bc5c3a7a7

SHA1
395994708e1951857e216f0ecefef951b8c69f43

SHA256
d8850768b2d2b12bb02460d7db56dc83b98e24188cc0c1a20aef877d1ce4842b

SHA512
9148c4d23cf7bf90973be52936ef94949f92f4839a7d3121ff36b9a391a492593361fc01529ebe7520935cb5af854fae60bf7c4a8b2c8476bf8b6e128a2951ad

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

Filesize
473KB

MD5
ece6d60fd2077f31affd481bc5c3a7a7

SHA1
395994708e1951857e216f0ecefef951b8c69f43

SHA256
d8850768b2d2b12bb02460d7db56dc83b98e24188cc0c1a20aef877d1ce4842b

SHA512
9148c4d23cf7bf90973be52936ef94949f92f4839a7d3121ff36b9a391a492593361fc01529ebe7520935cb5af854fae60bf7c4a8b2c8476bf8b6e128a2951ad

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads