guloader | 2ce2b5ae44364fe9c1f5b46600d3baeffb769dea1dc9b25fcd5a9ab747f417e6

Analysis

max time kernel
146s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-02-2025 04:29

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General

Target

2ce2b5ae44364fe9c1f5b46600d3baeffb769dea1dc9b25fcd5a9ab747f417e6.exe
Size

1.0MB
MD5

62fed8d2f8c74245e366b5ffc4170325
SHA1

c9ad60cf5921d12fed075927b4cf4623d129a671
SHA256

2ce2b5ae44364fe9c1f5b46600d3baeffb769dea1dc9b25fcd5a9ab747f417e6
SHA512

3dd9b6dba45b75f39a6430fa0a6471dbda9b42cea021b37faefd72eb00fc3886b038afb88b51d9dfd6e313e5cdf07fdc33a026b827d3037dcd291e3d2316d714
SSDEEP

24576:+5TSjeuARbeLYMexXYvRCEOYkYRU2fNYwYtYPY:+kjeu0bx5ovRH1bqyuXOg

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 2 IoCs

pid	Process
1468	2ce2b5ae44364fe9c1f5b46600d3baeffb769dea1dc9b25fcd5a9ab747f417e6.exe
1468	2ce2b5ae44364fe9c1f5b46600d3baeffb769dea1dc9b25fcd5a9ab747f417e6.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1468	2ce2b5ae44364fe9c1f5b46600d3baeffb769dea1dc9b25fcd5a9ab747f417e6.exe
4352	2ce2b5ae44364fe9c1f5b46600d3baeffb769dea1dc9b25fcd5a9ab747f417e6.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\Gundelet\gleditsia.ini	2ce2b5ae44364fe9c1f5b46600d3baeffb769dea1dc9b25fcd5a9ab747f417e6.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	2ce2b5ae44364fe9c1f5b46600d3baeffb769dea1dc9b25fcd5a9ab747f417e6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2ce2b5ae44364fe9c1f5b46600d3baeffb769dea1dc9b25fcd5a9ab747f417e6.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1468	2ce2b5ae44364fe9c1f5b46600d3baeffb769dea1dc9b25fcd5a9ab747f417e6.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1468 wrote to memory of 4352	1468	2ce2b5ae44364fe9c1f5b46600d3baeffb769dea1dc9b25fcd5a9ab747f417e6.exe	84
PID 1468 wrote to memory of 4352	1468	2ce2b5ae44364fe9c1f5b46600d3baeffb769dea1dc9b25fcd5a9ab747f417e6.exe	84
PID 1468 wrote to memory of 4352	1468	2ce2b5ae44364fe9c1f5b46600d3baeffb769dea1dc9b25fcd5a9ab747f417e6.exe	84
PID 1468 wrote to memory of 4352	1468	2ce2b5ae44364fe9c1f5b46600d3baeffb769dea1dc9b25fcd5a9ab747f417e6.exe	84

C:\Users\Admin\AppData\Local\Temp\2ce2b5ae44364fe9c1f5b46600d3baeffb769dea1dc9b25fcd5a9ab747f417e6.exe
"C:\Users\Admin\AppData\Local\Temp\2ce2b5ae44364fe9c1f5b46600d3baeffb769dea1dc9b25fcd5a9ab747f417e6.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1468
- C:\Users\Admin\AppData\Local\Temp\2ce2b5ae44364fe9c1f5b46600d3baeffb769dea1dc9b25fcd5a9ab747f417e6.exe
  "C:\Users\Admin\AppData\Local\Temp\2ce2b5ae44364fe9c1f5b46600d3baeffb769dea1dc9b25fcd5a9ab747f417e6.exe"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:4352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsaAD77.tmp\System.dll

Filesize
11KB

MD5
cf85183b87314359488b850f9e97a698

SHA1
6b6c790037eec7ebea4d05590359cb4473f19aea

SHA256
3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac

SHA512
fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b

Download Submit
C:\Users\Admin\Quiddler\markus\superceded\ned.ini

Filesize
34KB

MD5
46d760ff5d80888a54a38d5bd968c3b9

SHA1
074ffba863941492da6fceb711fc6f6d49884d62

SHA256
89da4d13eedf0d1128752be5993608a45d8b1d3377ce852cac6938c0514f7952

SHA512
5c1429bc19c1c154a746ba09376d35293b60a4f95196db3acbbc738d4f3a65c93fc67bdcfc4d15db5485d4bf8cc7bddd8d93c150e2760c88b1bca8aef0cb27c8

Download Submit
memory/1468-29-0x0000000003890000-0x00000000048FE000-memory.dmp

Filesize
16.4MB

Download
memory/1468-30-0x0000000076FE1000-0x0000000077101000-memory.dmp

Filesize
1.1MB

Download
memory/1468-31-0x0000000010004000-0x0000000010005000-memory.dmp

Filesize
4KB

Download
memory/1468-33-0x0000000003890000-0x00000000048FE000-memory.dmp

Filesize
16.4MB

Download
memory/4352-34-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/4352-35-0x0000000001660000-0x00000000026CE000-memory.dmp

Filesize
16.4MB

Download
memory/4352-36-0x0000000077068000-0x0000000077069000-memory.dmp

Filesize
4KB

Download
memory/4352-37-0x0000000077085000-0x0000000077086000-memory.dmp

Filesize
4KB

Download
memory/4352-38-0x0000000001660000-0x00000000026CE000-memory.dmp

Filesize
16.4MB

Download
memory/4352-40-0x0000000076FE1000-0x0000000077101000-memory.dmp

Filesize
1.1MB

Download
memory/4352-39-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download