a06fa809778e96e621f42413465073e50df25eb109c4378f6a0f81868e7c7644

General

Target

4746b224be3d855fa2d6cca0936a8d70_NeikiAnalytics.exe
Size

47KB
MD5

4746b224be3d855fa2d6cca0936a8d70
SHA1

b40012637118cb43b30442889fbd1514012a7d19
SHA256

a06fa809778e96e621f42413465073e50df25eb109c4378f6a0f81868e7c7644
SHA512

72c73bca14ac05e4d3eba102dc2c94d2cd991b4ed88604060a9094bc26a8728d1ddff5565fedc1f109c5f773aedf7d1a35304c9aca4c19d2cff92970f7c9af6d
SSDEEP

768:hX0gWvCzuw6Uj9uGi45XOPxV5HNWnnnl000e999vddddIyyyOOtttb2222D:6vCzuw6UD9Az5HNWnnn622222D

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

Processes:

attrib.exe

pid process

4772 attrib.exe

pid	process
4772	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

Processes:

4746b224be3d855fa2d6cca0936a8d70_NeikiAnalytics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	4746b224be3d855fa2d6cca0936a8d70_NeikiAnalytics.exe

Executes dropped EXE 1 IoCs

Processes:

aiyhost.exe

pid process

3148 aiyhost.exe

pid	process
3148	aiyhost.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1240-0-0x0000000000400000-0x0000000000416000-memory.dmp	upx
C:\Windows\debug\aiyhost.exe	upx
behavioral2/memory/1240-5-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral2/memory/3148-6-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral2/memory/3148-12-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral2/memory/3148-15-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral2/memory/3148-18-0x0000000000400000-0x0000000000416000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

Processes:

4746b224be3d855fa2d6cca0936a8d70_NeikiAnalytics.exeattrib.exe

description	ioc	process
File opened for modification	C:\Windows\Debug\aiyhost.exe	4746b224be3d855fa2d6cca0936a8d70_NeikiAnalytics.exe
File opened for modification	C:\Windows\Debug\aiyhost.exe	attrib.exe
File created	C:\Windows\Debug\aiyhost.exe	4746b224be3d855fa2d6cca0936a8d70_NeikiAnalytics.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

aiyhost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	aiyhost.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	aiyhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

4746b224be3d855fa2d6cca0936a8d70_NeikiAnalytics.exe

description pid process

Token: SeIncBasePriorityPrivilege 1240 4746b224be3d855fa2d6cca0936a8d70_NeikiAnalytics.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1240	4746b224be3d855fa2d6cca0936a8d70_NeikiAnalytics.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

4746b224be3d855fa2d6cca0936a8d70_NeikiAnalytics.exe

description	pid	process	target process
PID 1240 wrote to memory of 4772	1240	4746b224be3d855fa2d6cca0936a8d70_NeikiAnalytics.exe	attrib.exe
PID 1240 wrote to memory of 4772	1240	4746b224be3d855fa2d6cca0936a8d70_NeikiAnalytics.exe	attrib.exe
PID 1240 wrote to memory of 4772	1240	4746b224be3d855fa2d6cca0936a8d70_NeikiAnalytics.exe	attrib.exe
PID 1240 wrote to memory of 2132	1240	4746b224be3d855fa2d6cca0936a8d70_NeikiAnalytics.exe	cmd.exe
PID 1240 wrote to memory of 2132	1240	4746b224be3d855fa2d6cca0936a8d70_NeikiAnalytics.exe	cmd.exe
PID 1240 wrote to memory of 2132	1240	4746b224be3d855fa2d6cca0936a8d70_NeikiAnalytics.exe	cmd.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exe

pid process

4772 attrib.exe

pid	process
4772	attrib.exe

C:\Users\Admin\AppData\Local\Temp\4746b224be3d855fa2d6cca0936a8d70_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\4746b224be3d855fa2d6cca0936a8d70_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1240
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\aiyhost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - Views/modifies file attributes
  PID:4772
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\4746B2~1.EXE > nul
  2⤵
  PID:2132

C:\Windows\Debug\aiyhost.exe
C:\Windows\Debug\aiyhost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:3148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

2

T1564.001

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\debug\aiyhost.exe

Filesize
47KB

MD5
95c843052697c2174917452a53c246ba

SHA1
b4cae3a11feb5453d393ed167d668dcf7d9cab56

SHA256
7e2750e8d0a25a859ce391bc4bf08f38e99fe6e1afd8aa127a4ee2e3c04c4d3e

SHA512
163097de2415cf9865eb895be057523565e8187b6bdf72da790e554c2c1ae731907ab7526b82cc9ed7c47c554b3b164bf82d76cb68db2fbd60c135e8aad1477f

Download Submit
memory/1240-0-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1240-5-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3148-6-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3148-12-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3148-15-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3148-18-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads