6a5dda76cbaf4838b9696f67918f28c8b03289f8d79769e4e3bd19b6bb3fc3ab

Analysis

max time kernel
140s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
31/05/2024, 22:50

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General

Target

6a5dda76cbaf4838b9696f67918f28c8b03289f8d79769e4e3bd19b6bb3fc3ab.exe
Size

66KB
MD5

40aa71420bc9ddbfc6dde6b96a3cc3ba
SHA1

dd48eb22978cc99c99a10627f7a4d38a9a36d5e2
SHA256

6a5dda76cbaf4838b9696f67918f28c8b03289f8d79769e4e3bd19b6bb3fc3ab
SHA512

f27eca4356e5d7e1707843d450c5591e86897294e60c8dde582c841470b8c4053941aa11099d837587f5407a713a53e75f9f3c8c9465b70f308601433262cdde
SSDEEP

768:urItKyw5WHXfQmjIiIk9ecAaHSHMb96FyXRDLdXDffff3g:ur3Z5IfQmv81ayo2yXpZXU

Score

9^/10

evasion

Malware Config

Signatures

Detects Windows executables referencing non-Windows User-Agents 1 IoCs

resource	yara_rule
behavioral2/files/0x00090000000233f9-2.dat	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

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
4008	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-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	6a5dda76cbaf4838b9696f67918f28c8b03289f8d79769e4e3bd19b6bb3fc3ab.exe

Executes dropped EXE 1 IoCs

pid	Process
2984	hyghost.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\hyghost.exe	6a5dda76cbaf4838b9696f67918f28c8b03289f8d79769e4e3bd19b6bb3fc3ab.exe
File opened for modification	C:\Windows\Debug\hyghost.exe	6a5dda76cbaf4838b9696f67918f28c8b03289f8d79769e4e3bd19b6bb3fc3ab.exe
File opened for modification	C:\Windows\Debug\hyghost.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	2596	6a5dda76cbaf4838b9696f67918f28c8b03289f8d79769e4e3bd19b6bb3fc3ab.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 4008	2596	6a5dda76cbaf4838b9696f67918f28c8b03289f8d79769e4e3bd19b6bb3fc3ab.exe	82
PID 2596 wrote to memory of 4008	2596	6a5dda76cbaf4838b9696f67918f28c8b03289f8d79769e4e3bd19b6bb3fc3ab.exe	82
PID 2596 wrote to memory of 4008	2596	6a5dda76cbaf4838b9696f67918f28c8b03289f8d79769e4e3bd19b6bb3fc3ab.exe	82
PID 2596 wrote to memory of 1744	2596	6a5dda76cbaf4838b9696f67918f28c8b03289f8d79769e4e3bd19b6bb3fc3ab.exe	87
PID 2596 wrote to memory of 1744	2596	6a5dda76cbaf4838b9696f67918f28c8b03289f8d79769e4e3bd19b6bb3fc3ab.exe	87
PID 2596 wrote to memory of 1744	2596	6a5dda76cbaf4838b9696f67918f28c8b03289f8d79769e4e3bd19b6bb3fc3ab.exe	87

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4008	attrib.exe

C:\Users\Admin\AppData\Local\Temp\6a5dda76cbaf4838b9696f67918f28c8b03289f8d79769e4e3bd19b6bb3fc3ab.exe
"C:\Users\Admin\AppData\Local\Temp\6a5dda76cbaf4838b9696f67918f28c8b03289f8d79769e4e3bd19b6bb3fc3ab.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\hyghost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - Views/modifies file attributes
  PID:4008
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\6A5DDA~1.EXE > nul
  2⤵
  PID:1744

C:\Windows\Debug\hyghost.exe
C:\Windows\Debug\hyghost.exe
1⤵
- Executes dropped EXE
PID:2984

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\hyghost.exe

Filesize
66KB

MD5
bb6017721a53cd05a631d309c18a86d2

SHA1
74bff840691f81d8eb170b999354f1298c37eb96

SHA256
a924a1b3e19a074b07958c75635f594942c7fd7a0d547bdc31e7343c8ec63f0d

SHA512
c2b399f88f72d6c7dbe19c5ac378f0b93f274fe0242a2af2dd1ca99328a05907d14f0f9c55dab2a20c03a878fece5d1ea5f09342e5a2cba86bf495f5aa4ca1fe

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads