c858e10e29b769ca86445ba1bebdf708e88245da4e96c4afc967818e8293e099

Resubmissions

02-01-2025 21:33

250102-1ejbvswpcv 10

08-12-2024 01:12

241208-bkq68azkep 10

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 21:33

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General

Target

se.exe
Size

96KB
MD5

b7b347f1aebf2ef10369faf14e0bb2fb
SHA1

258e9a1ec916d66b510849192fba6c05fdcdaec7
SHA256

589b185221797c8dc67bc586f8c2e3c463a06771e53744afa082c04be7fe5763
SHA512

4baa49881edb3dea09d6ba8a71cbbcfc597a94657ef2265a5bffb38d2d481579e4215c5674360d490bd3a2913017b606c7e14564db64f645d910e809271b44d3
SSDEEP

1536:GRtxXnig5/VUJyWryEXe8T1g6hypxc/lkJ5jj1fV8cGDmtY:GhN5/VmbTC6hyQ/OJRj1V8cGCtY

Score

7^/10

defense_evasion discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2544	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2108	svchost.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 Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\gkmiuy	se.exe
File created	C:\Program Files\gkmiuy\svchost.exe	se.exe
File opened for modification	C:\Program Files\gkmiuy\svchost.exe	se.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	se.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

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

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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1692	se.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 2544	1692	se.exe	31
PID 1692 wrote to memory of 2544	1692	se.exe	31
PID 1692 wrote to memory of 2544	1692	se.exe	31
PID 1692 wrote to memory of 2544	1692	se.exe	31

C:\Users\Admin\AppData\Local\Temp\se.exe
"C:\Users\Admin\AppData\Local\Temp\se.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1692
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\se.exe > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2544

C:\Program Files\gkmiuy\svchost.exe
"C:\Program Files\gkmiuy\svchost.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
PID:2108

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

C:\Program Files\gkmiuy\svchost.exe

Filesize
96KB

MD5
b7b347f1aebf2ef10369faf14e0bb2fb

SHA1
258e9a1ec916d66b510849192fba6c05fdcdaec7

SHA256
589b185221797c8dc67bc586f8c2e3c463a06771e53744afa082c04be7fe5763

SHA512
4baa49881edb3dea09d6ba8a71cbbcfc597a94657ef2265a5bffb38d2d481579e4215c5674360d490bd3a2913017b606c7e14564db64f645d910e809271b44d3

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