guloader | f9ae05072e7d7fef087c638192942eda9f821e12d529e0f3c0c9a45181b23c22

Analysis

max time kernel
140s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
26-06-2024 08:55

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General

Target

Ziraat Bankasi Swift Mesaji.exe
Size

711KB
MD5

3fedebe9336a30dbd4d423938fb706cf
SHA1

06d618d9f53e84dd454a262c7b932d3c841b344c
SHA256

f9ae05072e7d7fef087c638192942eda9f821e12d529e0f3c0c9a45181b23c22
SHA512

005d33ba5157c24db5315b0e66f550e10ff5c95f1820b979b1093d6042b5dae63820878d48d2efaad8a85864107bc0638015eb611904a370e882c660901e5e5a
SSDEEP

12288:MOLi/MOlrpYMS8SFCKKPLWrEqd9gHUVpXNuh:bLi/3lrpQ8DFEE1U3oh

Score

10^/10

guloader downloader

Malware Config

Signatures

Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
Loads dropped DLL 2 IoCs

Processes:

Ziraat Bankasi Swift Mesaji.exe

pid process

596 Ziraat Bankasi Swift Mesaji.exe
596 Ziraat Bankasi Swift Mesaji.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

Ziraat Bankasi Swift Mesaji.exeZiraat Bankasi Swift Mesaji.exe

pid process

596 Ziraat Bankasi Swift Mesaji.exe
4828 Ziraat Bankasi Swift Mesaji.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Ziraat Bankasi Swift Mesaji.exe

description pid process target process

PID 596 set thread context of 4828 596 Ziraat Bankasi Swift Mesaji.exe Ziraat Bankasi Swift Mesaji.exe
Drops file in Program Files directory 1 IoCs

Processes:

Ziraat Bankasi Swift Mesaji.exe

description ioc process

File opened for modification C:\Program Files (x86)\seismograferne.Ben40 Ziraat Bankasi Swift Mesaji.exe

pid	process
596	Ziraat Bankasi Swift Mesaji.exe
596	Ziraat Bankasi Swift Mesaji.exe

pid	process
596	Ziraat Bankasi Swift Mesaji.exe
4828	Ziraat Bankasi Swift Mesaji.exe

description	pid	process	target process
PID 596 set thread context of 4828	596	Ziraat Bankasi Swift Mesaji.exe	Ziraat Bankasi Swift Mesaji.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\seismograferne.Ben40	Ziraat Bankasi Swift Mesaji.exe

Drops file in Windows directory 3 IoCs

Processes:

Ziraat Bankasi Swift Mesaji.exe

description	ioc	process
File opened for modification	C:\Windows\Fonts\Hydroxyanthraquinone.ins	Ziraat Bankasi Swift Mesaji.exe
File opened for modification	C:\Windows\resources\0409\trolddomsvirksomheders\sf.ini	Ziraat Bankasi Swift Mesaji.exe
File opened for modification	C:\Windows\vicegreves\alsinger.ini	Ziraat Bankasi Swift Mesaji.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:

Ziraat Bankasi Swift Mesaji.exe

pid process

596 Ziraat Bankasi Swift Mesaji.exe

pid	process
596	Ziraat Bankasi Swift Mesaji.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

Ziraat Bankasi Swift Mesaji.exe

description	pid	process	target process
PID 596 wrote to memory of 4828	596	Ziraat Bankasi Swift Mesaji.exe	Ziraat Bankasi Swift Mesaji.exe
PID 596 wrote to memory of 4828	596	Ziraat Bankasi Swift Mesaji.exe	Ziraat Bankasi Swift Mesaji.exe
PID 596 wrote to memory of 4828	596	Ziraat Bankasi Swift Mesaji.exe	Ziraat Bankasi Swift Mesaji.exe
PID 596 wrote to memory of 4828	596	Ziraat Bankasi Swift Mesaji.exe	Ziraat Bankasi Swift Mesaji.exe
PID 596 wrote to memory of 4828	596	Ziraat Bankasi Swift Mesaji.exe	Ziraat Bankasi Swift Mesaji.exe

C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe
"C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.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:596

C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe
"C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe"
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:4828

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsp39BF.tmp\System.dll
Filesize
11KB

MD5
17ed1c86bd67e78ade4712be48a7d2bd

SHA1
1cc9fe86d6d6030b4dae45ecddce5907991c01a0

SHA256
bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb

SHA512
0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5

Download Submit
memory/596-11-0x00000000046F0000-0x00000000067FF000-memory.dmp

Filesize
33.1MB

Download
memory/596-12-0x0000000077341000-0x0000000077461000-memory.dmp

Filesize
1.1MB

Download
memory/596-13-0x0000000010004000-0x0000000010005000-memory.dmp

Filesize
4KB

Download
memory/596-16-0x00000000046F0000-0x00000000067FF000-memory.dmp

Filesize
33.1MB

Download
memory/596-23-0x00000000046F0000-0x00000000067FF000-memory.dmp

Filesize
33.1MB

Download
memory/4828-14-0x0000000001A90000-0x0000000003B9F000-memory.dmp

Filesize
33.1MB

Download
memory/4828-15-0x0000000000830000-0x0000000001A84000-memory.dmp

Filesize
18.3MB

Download
memory/4828-18-0x0000000001A90000-0x0000000003B9F000-memory.dmp

Filesize
33.1MB

Download