ee1694dcb21a029561c04a4af41c81c86050a4052c9de0cb857a27c203a2529c

Analysis

max time kernel
111s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2024, 06:23

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General

Target

ee1694dcb21a029561c04a4af41c81c86050a4052c9de0cb857a27c203a2529cN.exe
Size

70KB
MD5

0a276906e87287e21f3b3e3e571cd440
SHA1

a540a45119fa41087e86df45e83e2d9b5c38f0d2
SHA256

ee1694dcb21a029561c04a4af41c81c86050a4052c9de0cb857a27c203a2529c
SHA512

fd94db5c52d85f62b00304dfba17157214a34a43ea887299a671c96bcdeb6c7a918c246e47f20b01c9017bd063240cda386d29945ba7b0c4e9c31697c70773a2
SSDEEP

768:urItKyw5WHXfQmjIiIk9ecAaHSHMb96FyXRDLdXDffff3lkkkmZ:ur3Z5IfQmv81ayo2yXpZX7

Score

8^/10

defense_evasion discovery 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
1628	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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	ee1694dcb21a029561c04a4af41c81c86050a4052c9de0cb857a27c203a2529cN.exe

Executes dropped EXE 1 IoCs

pid	Process
4688	zewhost.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\zewhost.exe	ee1694dcb21a029561c04a4af41c81c86050a4052c9de0cb857a27c203a2529cN.exe
File opened for modification	C:\Windows\Debug\zewhost.exe	ee1694dcb21a029561c04a4af41c81c86050a4052c9de0cb857a27c203a2529cN.exe
File opened for modification	C:\Windows\Debug\zewhost.exe	attrib.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ee1694dcb21a029561c04a4af41c81c86050a4052c9de0cb857a27c203a2529cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zewhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3432	ee1694dcb21a029561c04a4af41c81c86050a4052c9de0cb857a27c203a2529cN.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3432 wrote to memory of 1628	3432	ee1694dcb21a029561c04a4af41c81c86050a4052c9de0cb857a27c203a2529cN.exe	82
PID 3432 wrote to memory of 1628	3432	ee1694dcb21a029561c04a4af41c81c86050a4052c9de0cb857a27c203a2529cN.exe	82
PID 3432 wrote to memory of 1628	3432	ee1694dcb21a029561c04a4af41c81c86050a4052c9de0cb857a27c203a2529cN.exe	82
PID 3432 wrote to memory of 4996	3432	ee1694dcb21a029561c04a4af41c81c86050a4052c9de0cb857a27c203a2529cN.exe	85
PID 3432 wrote to memory of 4996	3432	ee1694dcb21a029561c04a4af41c81c86050a4052c9de0cb857a27c203a2529cN.exe	85
PID 3432 wrote to memory of 4996	3432	ee1694dcb21a029561c04a4af41c81c86050a4052c9de0cb857a27c203a2529cN.exe	85

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1628	attrib.exe

C:\Users\Admin\AppData\Local\Temp\ee1694dcb21a029561c04a4af41c81c86050a4052c9de0cb857a27c203a2529cN.exe
"C:\Users\Admin\AppData\Local\Temp\ee1694dcb21a029561c04a4af41c81c86050a4052c9de0cb857a27c203a2529cN.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3432
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\zewhost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:1628
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\EE1694~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4996

C:\Windows\Debug\zewhost.exe
C:\Windows\Debug\zewhost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4688

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

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\Debug\zewhost.exe

Filesize
70KB

MD5
2a0d353f3e4656c597017881b28d7b3a

SHA1
7c69e34fa23d4cb3bbfef4f3c5517e711d2aaa3b

SHA256
af20efe2c70f8de5a364d0394d566bb078f5bea2278d341c1878e7339028e5d4

SHA512
89093e586f254132198f9097531a60ac08804aceef002a8fb3deaaa86af71b3d63620b683815265c7709bc078a023dabb71e9e00d11193d31927f959491cc36a

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads