521a917571b3c1a10a0501247037cb28c5a8a8f906f8c2d8fee2621ff909c915

Analysis

max time kernel
141s
max time network
123s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
05/06/2024, 04:38

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General

Target

3aeaadcf6c07b7d0f88625eeae0a7090_NeikiAnalytics.exe
Size

58KB
MD5

3aeaadcf6c07b7d0f88625eeae0a7090
SHA1

557cb21389e00e0bbe6c7f839f838283feef1434
SHA256

521a917571b3c1a10a0501247037cb28c5a8a8f906f8c2d8fee2621ff909c915
SHA512

d7abf3157fb891349d9b0bb0a3ad2f139e0b2307e715267bfce0bbd5b94e19a2995d3080623693f7b464cc1cfd7f6249f504a31b76f4d1e6caa7f101579ee86d
SSDEEP

768:mrItKyw5WHXfQmjIiIk9ecAaU896KyXmuJrjTg+5lPulIgggz:mr3Z5IfQmv81aU85yXmIjTg4S

Score

8^/10

evasion upx

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
2980	attrib.exe

Deletes itself 1 IoCs

pid	Process
2592	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1708	ayahost.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1612-0-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/files/0x000a000000012280-3.dat	upx
behavioral1/memory/1612-5-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1708-6-0x0000000000400000-0x0000000000414000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\ayahost.exe	3aeaadcf6c07b7d0f88625eeae0a7090_NeikiAnalytics.exe
File opened for modification	C:\Windows\Debug\ayahost.exe	3aeaadcf6c07b7d0f88625eeae0a7090_NeikiAnalytics.exe
File opened for modification	C:\Windows\Debug\ayahost.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	1612	3aeaadcf6c07b7d0f88625eeae0a7090_NeikiAnalytics.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 2980	1612	3aeaadcf6c07b7d0f88625eeae0a7090_NeikiAnalytics.exe	28
PID 1612 wrote to memory of 2980	1612	3aeaadcf6c07b7d0f88625eeae0a7090_NeikiAnalytics.exe	28
PID 1612 wrote to memory of 2980	1612	3aeaadcf6c07b7d0f88625eeae0a7090_NeikiAnalytics.exe	28
PID 1612 wrote to memory of 2980	1612	3aeaadcf6c07b7d0f88625eeae0a7090_NeikiAnalytics.exe	28
PID 1612 wrote to memory of 2592	1612	3aeaadcf6c07b7d0f88625eeae0a7090_NeikiAnalytics.exe	31
PID 1612 wrote to memory of 2592	1612	3aeaadcf6c07b7d0f88625eeae0a7090_NeikiAnalytics.exe	31
PID 1612 wrote to memory of 2592	1612	3aeaadcf6c07b7d0f88625eeae0a7090_NeikiAnalytics.exe	31
PID 1612 wrote to memory of 2592	1612	3aeaadcf6c07b7d0f88625eeae0a7090_NeikiAnalytics.exe	31

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2980	attrib.exe

C:\Users\Admin\AppData\Local\Temp\3aeaadcf6c07b7d0f88625eeae0a7090_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\3aeaadcf6c07b7d0f88625eeae0a7090_NeikiAnalytics.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\ayahost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - Views/modifies file attributes
  PID:2980
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\3AEAAD~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2592

C:\Windows\Debug\ayahost.exe
C:\Windows\Debug\ayahost.exe
1⤵
- Executes dropped EXE
PID:1708

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

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Downloads

C:\Windows\Debug\ayahost.exe

Filesize
58KB

MD5
3d5c307563adc83e2949397e678643d7

SHA1
21ab08c48d6d3dab5e292b3274463acfdaf6b4ff

SHA256
2858f0f01430bac2f12ffb2c8dc6177eceff9a01c45de47e5bd63d1c5c994a2c

SHA512
888dd85db55f167263b4c1c99b5679a77fa135330bcebfb7c2f1ee8fee9e6e5b7012cc8aeb6f4779e9f90b37f69037daef12e862999770efdbe733bcbbbef262

Download Submit
memory/1612-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1612-5-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1708-6-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads