5a91338b87928f659271e2066cf8f10ba452dcc7d3120e182cb5bef22cca3841

General

Target

5a91338b87928f659271e2066cf8f10ba452dcc7d3120e182cb5bef22cca3841N.exe
Size

175KB
MD5

0b32c3e3bf18cbc418ec8f43dcea75b0
SHA1

e59909f5bc403bb4e443b3f99d0923089d561959
SHA256

5a91338b87928f659271e2066cf8f10ba452dcc7d3120e182cb5bef22cca3841
SHA512

1ff6d8c32e9dc201544363645da236d26187a4641885d9a6c573f70cdcf066a61b4a142a8912f4b97d479108f627a92722d1cd667f5c9aa4d9dad47976607bbf
SSDEEP

3072:m3DjYM/jnH/nJ99gn5MJjlPLOBAZ1iXu0encNIcoutkjcEmoUK5:m4GrHvJ9ewjpKBAZ1iX7CcicoSq/5

Score

7^/10

discovery upx

Malware Config

Signatures

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	5a91338b87928f659271e2066cf8f10ba452dcc7d3120e182cb5bef22cca3841N.exe

Executes dropped EXE 1 IoCs

pid	Process
116	ins7039.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	ins7039.exe
File created	C:\Windows\assembly\Desktop.ini	ins7039.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3676-0-0x0000000000080000-0x00000000000FD000-memory.dmp	upx
behavioral2/memory/3676-21-0x0000000000080000-0x00000000000FD000-memory.dmp	upx
behavioral2/memory/3676-27-0x0000000000080000-0x00000000000FD000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	ins7039.exe
File created	C:\Windows\assembly\Desktop.ini	ins7039.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	ins7039.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 2 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	5a91338b87928f659271e2066cf8f10ba452dcc7d3120e182cb5bef22cca3841N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ins7039.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
116	ins7039.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	116	ins7039.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
116	ins7039.exe
116	ins7039.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3676 wrote to memory of 116	3676	5a91338b87928f659271e2066cf8f10ba452dcc7d3120e182cb5bef22cca3841N.exe	82
PID 3676 wrote to memory of 116	3676	5a91338b87928f659271e2066cf8f10ba452dcc7d3120e182cb5bef22cca3841N.exe	82
PID 3676 wrote to memory of 116	3676	5a91338b87928f659271e2066cf8f10ba452dcc7d3120e182cb5bef22cca3841N.exe	82

C:\Users\Admin\AppData\Local\Temp\5a91338b87928f659271e2066cf8f10ba452dcc7d3120e182cb5bef22cca3841N.exe
"C:\Users\Admin\AppData\Local\Temp\5a91338b87928f659271e2066cf8f10ba452dcc7d3120e182cb5bef22cca3841N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3676
- C:\Users\Admin\AppData\Local\Temp\ins7039\ins7039.exe
  "C:\Users\Admin\AppData\Local\Temp\ins7039\ins7039.exe" ins.exe /e8032605 /u5193805b-c284-4f85-b972-26465bc06f2f
  2⤵
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\ins7039\ins7039.exe

Filesize
256KB

MD5
d8256547ca0a650ea393964f69dae300

SHA1
be23209fa5e30dbbfb71feb98547cb2798fba978

SHA256
c7ba479a39f137ebfdb252e8eddc30567e0959990818a679e948f7cc5005c343

SHA512
e83851057fa22fc5564fad01441c29fc22bf829312e86b13fb980a9fe03160673414bda68fe8789e4914929b5e1c259bc253571d24311f50ef93dfb4c32578c3

Download Submit
memory/116-18-0x0000000073740000-0x0000000073CF1000-memory.dmp

Filesize
5.7MB

Download
memory/116-12-0x0000000073742000-0x0000000073743000-memory.dmp

Filesize
4KB

Download
memory/116-13-0x0000000073740000-0x0000000073CF1000-memory.dmp

Filesize
5.7MB

Download
memory/116-14-0x0000000073740000-0x0000000073CF1000-memory.dmp

Filesize
5.7MB

Download
memory/116-17-0x0000000073740000-0x0000000073CF1000-memory.dmp

Filesize
5.7MB

Download
memory/116-19-0x0000000073740000-0x0000000073CF1000-memory.dmp

Filesize
5.7MB

Download
memory/116-20-0x0000000073740000-0x0000000073CF1000-memory.dmp

Filesize
5.7MB

Download
memory/116-22-0x0000000073740000-0x0000000073CF1000-memory.dmp

Filesize
5.7MB

Download
memory/116-23-0x0000000073742000-0x0000000073743000-memory.dmp

Filesize
4KB

Download
memory/116-25-0x0000000073740000-0x0000000073CF1000-memory.dmp

Filesize
5.7MB

Download
memory/3676-0-0x0000000000080000-0x00000000000FD000-memory.dmp

Filesize
500KB

Download
memory/3676-21-0x0000000000080000-0x00000000000FD000-memory.dmp

Filesize
500KB

Download
memory/3676-27-0x0000000000080000-0x00000000000FD000-memory.dmp

Filesize
500KB

Download

Analysis

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