880da26bd62c7fd99f103282229a3391f299dea4993e49de44bc4a8ad679da30

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03/06/2024, 07:08

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General

Target
9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe
Size 58KB
Sample240603-hyn3caff7v
SHA256 880da26bd62c7fd99f103282229a3391f299dea4993e49de44bc4a8ad679da30
MD5 9fbd9c3c2cff90143c0c15fdf7cd7a50
SHA1 ca6510cca36d784ea0fbfaf7ff810f4a71850350
SHA512 7dcd7a791a940d588a116522d457275880b71ec3c7069bfaff5ddf8389bffa8063b024c6fa5c1c81ea2a872150597598dffe372b3432fd36f93fe30f71a65267
SSDEEP 768:mrItKyw5WHXfQmjIiIk9ecAaU896KyXmuJrjTg+5lPulnL:mr3Z5IfQmv81aU85yXmIjTg4ML
MD5 SHA1 SHA512 SSDEEP

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
3260	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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe

Executes dropped EXE 1 IoCs

pid	Process
5040	eiyhost.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2564-0-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/files/0x000d000000023383-3.dat	upx
behavioral2/memory/5040-5-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5040-6-0x0000000000400000-0x0000000000414000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\eiyhost.exe	9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe
File opened for modification	C:\Windows\Debug\eiyhost.exe	9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe
File opened for modification	C:\Windows\Debug\eiyhost.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	2564	9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2564 wrote to memory of 3260	2564	9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe	85
PID 2564 wrote to memory of 3260	2564	9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe	85
PID 2564 wrote to memory of 3260	2564	9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe	85
PID 2564 wrote to memory of 4696	2564	9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe	89
PID 2564 wrote to memory of 4696	2564	9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe	89
PID 2564 wrote to memory of 4696	2564	9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe	89

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3260	attrib.exe

C:\Users\Admin\AppData\Local\Temp\9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\9fbd9c3c2cff90143c0c15fdf7cd7a50_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2564
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\eiyhost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - Views/modifies file attributes
  PID:3260
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\9FBD9C~1.EXE > nul
  2⤵
  PID:4696

C:\Windows\Debug\eiyhost.exe
C:\Windows\Debug\eiyhost.exe
1⤵
- Executes dropped EXE
PID:5040

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

eiyhost.exe

Path C:\Windows\debug\eiyhost.exe
Size 58KB
SHA256 770ae7cadb4bcab2998889b8471224a6a46434436cdd24af06eeeaf92d56dce0
MD5 7840e253e1f2e64330270c6793f743e2
SHA1 16e2ee680def7bb14a1ed2a4bd790e656a60a7c2
SHA512 d2fa07fecf4b85e40150f14aa532af077b31b4448aa669d236961fa24ebb556b2d8e7f4d9a4c3b3343d4819c8b971ed345cc854d355be21e88b8c39d9b800f05
SSDEEP 768:mrItKyw5WHXfQmjIiIk9ecAaU896KyXmuJrjTg+5lPulnU:mr3Z5IfQmv81aU85yXmIjTg4MU
MD5 SHA1 SHA512 SSDEEP

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memory/2564-0-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/5040-5-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/5040-6-0x0000000000400000-0x0000000000414000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads