guloader | 69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab

General

Target

69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe
Size

827KB
MD5

89b3b4723ea3983fc0f103eaf3093edc
SHA1

bb6fb38b57fd6694e0803d1de469f0a326e231f4
SHA256

69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab
SHA512

74befa13a84be96af3d7209113b11511dde96835c1a8a7a3453649cddf383d356a034632c58cc4778389495625fef0da894c03a75e5e04afdcf6eadc3dc947fa
SSDEEP

24576:UvYV0HT73uFztJXcrBbO3j8xa93BPapMMjC+eN3o67:POzaRcBbO3j193SLjC+ko

Score

10^/10

guloader discovery downloader

Malware Config

Signatures

Guloader family
guloader
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
Loads dropped DLL 1 IoCs

Processes:

69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe

pid process

1060 69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe

pid	process
1060	69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe
2540	69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe

description	pid	process	target process
PID 1060 set thread context of 2540	1060	69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe	69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.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

Processes:

69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe

pid process

1060 69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe

description	pid	process	target process
PID 1060 wrote to memory of 2540	1060	69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe	69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe
PID 1060 wrote to memory of 2540	1060	69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe	69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe
PID 1060 wrote to memory of 2540	1060	69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe	69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe
PID 1060 wrote to memory of 2540	1060	69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe	69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe
PID 1060 wrote to memory of 2540	1060	69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe	69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe
PID 1060 wrote to memory of 2540	1060	69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe	69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe

C:\Users\Admin\AppData\Local\Temp\69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe
"C:\Users\Admin\AppData\Local\Temp\69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1060
- C:\Users\Admin\AppData\Local\Temp\69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe
  "C:\Users\Admin\AppData\Local\Temp\69a0042174fbffed7ac840081ec1d5618f2a70fe4d56078b98a1db06627f9eab.exe"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:2540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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\CabE581.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarE5A3.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
\Users\Admin\AppData\Local\Temp\nsjB77F.tmp\System.dll

Filesize
11KB

MD5
fc90dfb694d0e17b013d6f818bce41b0

SHA1
3243969886d640af3bfa442728b9f0dff9d5f5b0

SHA256
7fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528

SHA512
324f13aa7a33c6408e2a57c3484d1691ecee7c3c1366de2bb8978c8dc66b18425d8cab5a32d1702c13c43703e36148a022263de7166afdce141da2b01169f1c6

Download Submit
memory/1060-12-0x00000000033A0000-0x00000000040C8000-memory.dmp

Filesize
13.2MB

Download
memory/1060-13-0x0000000077B01000-0x0000000077C02000-memory.dmp

Filesize
1.0MB

Download
memory/1060-14-0x0000000077B00000-0x0000000077CA9000-memory.dmp

Filesize
1.7MB

Download
memory/1060-15-0x00000000033A0000-0x00000000040C8000-memory.dmp

Filesize
13.2MB

Download
memory/2540-16-0x0000000077B00000-0x0000000077CA9000-memory.dmp

Filesize
1.7MB

Download
memory/2540-69-0x0000000000480000-0x00000000014E2000-memory.dmp

Filesize
16.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads