guloader | 9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475

General

Target

9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe
Size

1.3MB
MD5

3e98cae336fa462580691cb91749b71e
SHA1

c9ea529b30c094e7d88eed0be92df953324b98f5
SHA256

9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475
SHA512

9852ed091853c6fce1d4772270f74687cdb07c130e4511a0d68e9e55a034b90c67f7fe986a153f3377d363ff552d9751da18623e77ae2f6ca354dacf2619ba07
SSDEEP

24576:99Q0lIVTRJ6sByXYvuCi/ck/ZB+Loy/U77VaaG8uosbrDqa1VHWTcSdmWDxbLn/y:LQ0lsRpyCi/fH+7M77YoOrDX1l2xbLnq

Score

10^/10

guloader downloader

Malware Config

Signatures

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

Processes:

9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe

pid process

1568 9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

23 drive.google.com
24 drive.google.com

flow	ioc
23	drive.google.com
24	drive.google.com

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe

pid	process
1568	9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe
728	9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe

description	pid	process	target process
PID 1568 set thread context of 728	1568	9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe	9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe

Drops file in Program Files directory 1 IoCs

Processes:

9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\konvoluterer\Forsikringsinspektrer.ini	9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe

Drops file in Windows directory 1 IoCs

Processes:

9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe

description	ioc	process
File opened for modification	C:\Windows\mycelian\sempitern.ini	9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe

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

System Information Discovery
T1082
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe

pid process

1568 9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe

description	pid	process	target process
PID 1568 wrote to memory of 728	1568	9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe	9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe
PID 1568 wrote to memory of 728	1568	9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe	9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe
PID 1568 wrote to memory of 728	1568	9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe	9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe
PID 1568 wrote to memory of 728	1568	9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe	9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe
PID 1568 wrote to memory of 728	1568	9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe	9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe

C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe
"C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1568

C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe
"C:\Users\Admin\AppData\Local\Temp\9e45db06cc8ee275f4fd1855b7c8c57f4b2fc85d8f58512076cce9189230c475.exe"
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:728

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

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsr4AB7.tmp\System.dll

Filesize
11KB

MD5
b8992e497d57001ddf100f9c397fcef5

SHA1
e26ddf101a2ec5027975d2909306457c6f61cfbd

SHA256
98bcd1dd88642f4dd36a300c76ebb1ddfbbbc5bfc7e3b6d7435dc6d6e030c13b

SHA512
8823b1904dccfaf031068102cb1def7958a057f49ff369f0e061f1b4db2090021aa620bb8442a2a6ac9355bb74ee54371dc2599c20dc723755a46ede81533a3c

Download Submit
memory/728-39-0x0000000077A95000-0x0000000077A96000-memory.dmp

Filesize
4KB

Download
memory/728-55-0x00000000779F1000-0x0000000077B11000-memory.dmp

Filesize
1.1MB

Download
memory/728-53-0x0000000001660000-0x0000000003028000-memory.dmp

Filesize
25.8MB

Download
memory/728-35-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/728-36-0x0000000001660000-0x0000000003028000-memory.dmp

Filesize
25.8MB

Download
memory/728-52-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/728-38-0x0000000077A78000-0x0000000077A79000-memory.dmp

Filesize
4KB

Download
memory/1568-34-0x0000000010004000-0x0000000010005000-memory.dmp

Filesize
4KB

Download
memory/1568-37-0x0000000004B40000-0x0000000006508000-memory.dmp

Filesize
25.8MB

Download
memory/1568-33-0x00000000779F1000-0x0000000077B11000-memory.dmp

Filesize
1.1MB

Download
memory/1568-32-0x0000000004B40000-0x0000000006508000-memory.dmp

Filesize
25.8MB

Download
memory/1568-60-0x0000000004B40000-0x0000000006508000-memory.dmp

Filesize
25.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads