guloader | 5e0272d0db0605d5dc68dec1eb378a0144fd0a20ab13ec41f4f42f29a72767e6

General

Target

sgemaskine.exe
Size

84KB
MD5

050e6cb50c426c5f50cf018b296d3df5
SHA1

1dcb50669df7d7856b6c8248c81a057640c26d84
SHA256

9e3ccccbdae5037867b30ec99ab71a8422ae9b0be42bf6b7ee0dddf07e4f03c0
SHA512

22fbaa4109414be48f527da47fd4ccded45fb6cfe7783af1dabd8da60fc05db907b122bbbfc0fb0d9110f4e621487b22bc8e50ee8d954b858b00888f1670b185

Score

10^/10

guloader downloader persistence

Malware Config

Extracted

Family

guloader

C2

https://drive.google.com/uc?export=download&id=1nJFzy3bHUwUvYTEcawaRZ_EVi8Bn13Js

xor.base64

Signatures

Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
Executes dropped EXE 1 IoCs

Processes:

ABOVEG.bat

pid process

1064 ABOVEG.bat

pid	process
1064	ABOVEG.bat

Checks QEMU agent state file 2 TTPs 4 IoCs

Checks state file used by QEMU agent, possibly to detect virtualization.

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

ABOVEG.batABOVEG.batsgemaskine.exesgemaskine.exe

description	ioc	process
File opened (read-only)	C:\ProgramData\qemu-ga\qga.state	ABOVEG.bat
File opened (read-only)	C:\ProgramData\qemu-ga\qga.state	ABOVEG.bat
File opened (read-only)	C:\ProgramData\qemu-ga\qga.state	sgemaskine.exe
File opened (read-only)	C:\ProgramData\qemu-ga\qga.state	sgemaskine.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

Processes:

sgemaskine.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	sgemaskine.exe

Loads dropped DLL 1 IoCs

Processes:

ABOVEG.bat

pid process

3664 ABOVEG.bat

pid	process
3664	ABOVEG.bat

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

sgemaskine.exeABOVEG.bat

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	sgemaskine.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Rgskysgr6 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tilkbene\\ABOVEG.vbs"	sgemaskine.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	ABOVEG.bat
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Rgskysgr6 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tilkbene\\ABOVEG.vbs"	ABOVEG.bat

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

sgemaskine.exesgemaskine.exeABOVEG.batABOVEG.bat

pid process

4800 sgemaskine.exe
4648 sgemaskine.exe
1064 ABOVEG.bat
3664 ABOVEG.bat

pid	process
4800	sgemaskine.exe
4648	sgemaskine.exe
1064	ABOVEG.bat
3664	ABOVEG.bat

Suspicious use of SetThreadContext 2 IoCs

Processes:

sgemaskine.exeABOVEG.bat

description	pid	process	target process
PID 4800 set thread context of 4648	4800	sgemaskine.exe	sgemaskine.exe
PID 1064 set thread context of 3664	1064	ABOVEG.bat	ABOVEG.bat

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

System Information Discovery
T1082
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

sgemaskine.exeABOVEG.bat

pid process

4800 sgemaskine.exe
1064 ABOVEG.bat
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

sgemaskine.exeABOVEG.bat

pid process

4800 sgemaskine.exe
1064 ABOVEG.bat

pid	process
4800	sgemaskine.exe
1064	ABOVEG.bat

pid	process
4800	sgemaskine.exe
1064	ABOVEG.bat

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

sgemaskine.exesgemaskine.exeABOVEG.bat

description	pid	process	target process
PID 4800 wrote to memory of 4648	4800	sgemaskine.exe	sgemaskine.exe
PID 4800 wrote to memory of 4648	4800	sgemaskine.exe	sgemaskine.exe
PID 4800 wrote to memory of 4648	4800	sgemaskine.exe	sgemaskine.exe
PID 4800 wrote to memory of 4648	4800	sgemaskine.exe	sgemaskine.exe
PID 4648 wrote to memory of 1064	4648	sgemaskine.exe	ABOVEG.bat
PID 4648 wrote to memory of 1064	4648	sgemaskine.exe	ABOVEG.bat
PID 4648 wrote to memory of 1064	4648	sgemaskine.exe	ABOVEG.bat
PID 1064 wrote to memory of 3664	1064	ABOVEG.bat	ABOVEG.bat
PID 1064 wrote to memory of 3664	1064	ABOVEG.bat	ABOVEG.bat
PID 1064 wrote to memory of 3664	1064	ABOVEG.bat	ABOVEG.bat
PID 1064 wrote to memory of 3664	1064	ABOVEG.bat	ABOVEG.bat

C:\Users\Admin\AppData\Local\Temp\sgemaskine.exe
"C:\Users\Admin\AppData\Local\Temp\sgemaskine.exe"
1⤵
- Checks QEMU agent state file
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4800

C:\Users\Admin\AppData\Local\Temp\sgemaskine.exe
"C:\Users\Admin\AppData\Local\Temp\sgemaskine.exe"
2⤵
- Checks QEMU agent state file
- Checks computer location settings
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:4648

C:\Users\Admin\AppData\Local\Temp\tilkbene\ABOVEG.bat
"C:\Users\Admin\AppData\Local\Temp\tilkbene\ABOVEG.bat"
3⤵
- Executes dropped EXE
- Checks QEMU agent state file
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1064

C:\Users\Admin\AppData\Local\Temp\tilkbene\ABOVEG.bat
"C:\Users\Admin\AppData\Local\Temp\tilkbene\ABOVEG.bat"
4⤵
- Checks QEMU agent state file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:3664

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1

T1102

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tilkbene\ABOVEG.bat
Filesize
84KB

MD5
050e6cb50c426c5f50cf018b296d3df5

SHA1
1dcb50669df7d7856b6c8248c81a057640c26d84

SHA256
9e3ccccbdae5037867b30ec99ab71a8422ae9b0be42bf6b7ee0dddf07e4f03c0

SHA512
22fbaa4109414be48f527da47fd4ccded45fb6cfe7783af1dabd8da60fc05db907b122bbbfc0fb0d9110f4e621487b22bc8e50ee8d954b858b00888f1670b185

Download Submit
C:\Users\Admin\AppData\Local\Temp\tilkbene\ABOVEG.bat
Filesize
84KB

MD5
050e6cb50c426c5f50cf018b296d3df5

SHA1
1dcb50669df7d7856b6c8248c81a057640c26d84

SHA256
9e3ccccbdae5037867b30ec99ab71a8422ae9b0be42bf6b7ee0dddf07e4f03c0

SHA512
22fbaa4109414be48f527da47fd4ccded45fb6cfe7783af1dabd8da60fc05db907b122bbbfc0fb0d9110f4e621487b22bc8e50ee8d954b858b00888f1670b185

Download Submit
C:\Users\Admin\AppData\Local\Temp\tilkbene\ABOVEG.bat
Filesize
84KB

MD5
050e6cb50c426c5f50cf018b296d3df5

SHA1
1dcb50669df7d7856b6c8248c81a057640c26d84

SHA256
9e3ccccbdae5037867b30ec99ab71a8422ae9b0be42bf6b7ee0dddf07e4f03c0

SHA512
22fbaa4109414be48f527da47fd4ccded45fb6cfe7783af1dabd8da60fc05db907b122bbbfc0fb0d9110f4e621487b22bc8e50ee8d954b858b00888f1670b185

Download Submit
memory/1064-148-0x00007FFEE34F0000-0x00007FFEE36E5000-memory.dmp

Filesize
2.0MB

Download
memory/1064-147-0x0000000001F90000-0x0000000001F9E000-memory.dmp

Filesize
56KB

Download
memory/1064-153-0x00000000772F0000-0x0000000077493000-memory.dmp

Filesize
1.6MB

Download
memory/1064-142-0x0000000000000000-mapping.dmp

Download
memory/3664-155-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/3664-157-0x00000000772F0000-0x0000000077493000-memory.dmp

Filesize
1.6MB

Download
memory/3664-149-0x0000000000000000-mapping.dmp

Download
memory/3664-156-0x00007FFEE34F0000-0x00007FFEE36E5000-memory.dmp

Filesize
2.0MB

Download
memory/4648-140-0x00007FFEE34F0000-0x00007FFEE36E5000-memory.dmp

Filesize
2.0MB

Download
memory/4648-136-0x0000000000400000-0x000000000055D000-memory.dmp

Filesize
1.4MB

Download
memory/4648-135-0x0000000000000000-mapping.dmp

Download
memory/4648-141-0x00000000772F0000-0x0000000077493000-memory.dmp

Filesize
1.6MB

Download
memory/4648-139-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/4648-138-0x0000000000401000-0x0000000000506000-memory.dmp

Filesize
1.0MB

Download
memory/4800-133-0x00007FFEE34F0000-0x00007FFEE36E5000-memory.dmp

Filesize
2.0MB

Download
memory/4800-132-0x0000000000640000-0x000000000064E000-memory.dmp

Filesize
56KB

Download
memory/4800-134-0x00000000772F0000-0x0000000077493000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads