guloader | 0e8156dfebdf04d08d072d72eec4e910e42cc34523cd23955b37eb8be5a14277

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
10/05/2024, 08:42

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General

Target
0e8156dfebdf04d08d072d72eec4e910e42cc34523cd23955b37eb8be5a14277.exe
Size 518KB
Sample240510-kl9jmage35
SHA256 0e8156dfebdf04d08d072d72eec4e910e42cc34523cd23955b37eb8be5a14277
MD5 8ab77331f3db55feea23986f34de14fb
SHA1 0a61e257ec69be41a9048c757c679ff5e4e6b4a9
SHA512 f61f03bedd6209c7b6ad94d1df2cb69291cc020f6522de5ce0bfdf3157d5bd70cc8c3daeb26a6b7884482aba5cda43e071e77298bb96b23f020714d940b87c39
SSDEEP 12288:ekzJ5HOOe6v7QUbmkWFsMIHF9T0MG+yF9Q:n6e8QPWFIHFxsnQ
MD5 SHA1 SHA512 SSDEEP

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

pid	Process
436	0e8156dfebdf04d08d072d72eec4e910e42cc34523cd23955b37eb8be5a14277.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
436	0e8156dfebdf04d08d072d72eec4e910e42cc34523cd23955b37eb8be5a14277.exe
2856	0e8156dfebdf04d08d072d72eec4e910e42cc34523cd23955b37eb8be5a14277.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 436 set thread context of 2856	436	0e8156dfebdf04d08d072d72eec4e910e42cc34523cd23955b37eb8be5a14277.exe	93

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

System Information Discovery
T1082

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
436	0e8156dfebdf04d08d072d72eec4e910e42cc34523cd23955b37eb8be5a14277.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 436 wrote to memory of 2856	436	0e8156dfebdf04d08d072d72eec4e910e42cc34523cd23955b37eb8be5a14277.exe	93
PID 436 wrote to memory of 2856	436	0e8156dfebdf04d08d072d72eec4e910e42cc34523cd23955b37eb8be5a14277.exe	93
PID 436 wrote to memory of 2856	436	0e8156dfebdf04d08d072d72eec4e910e42cc34523cd23955b37eb8be5a14277.exe	93
PID 436 wrote to memory of 2856	436	0e8156dfebdf04d08d072d72eec4e910e42cc34523cd23955b37eb8be5a14277.exe	93
PID 436 wrote to memory of 2856	436	0e8156dfebdf04d08d072d72eec4e910e42cc34523cd23955b37eb8be5a14277.exe	93

C:\Users\Admin\AppData\Local\Temp\0e8156dfebdf04d08d072d72eec4e910e42cc34523cd23955b37eb8be5a14277.exe
"C:\Users\Admin\AppData\Local\Temp\0e8156dfebdf04d08d072d72eec4e910e42cc34523cd23955b37eb8be5a14277.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:436
- C:\Users\Admin\AppData\Local\Temp\0e8156dfebdf04d08d072d72eec4e910e42cc34523cd23955b37eb8be5a14277.exe
  "C:\Users\Admin\AppData\Local\Temp\0e8156dfebdf04d08d072d72eec4e910e42cc34523cd23955b37eb8be5a14277.exe"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  PID:2856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

System.dll

Path C:\Users\Admin\AppData\Local\Temp\nst446C.tmp\System.dll
Size 11KB
SHA256 bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb
MD5 17ed1c86bd67e78ade4712be48a7d2bd
SHA1 1cc9fe86d6d6030b4dae45ecddce5907991c01a0
SHA512 0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5
SSDEEP 192:eY24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35Ol+Sl:E8QIl975eXqlWBrz7YLOl+
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/436-60-0x0000000004910000-0x000000000739F000-memory.dmp

Download

memory/436-61-0x0000000077941000-0x0000000077A61000-memory.dmp

Download

memory/436-62-0x0000000010004000-0x0000000010005000-memory.dmp

Download

memory/436-64-0x0000000004910000-0x000000000739F000-memory.dmp

Download

memory/436-72-0x0000000004910000-0x000000000739F000-memory.dmp

Download

memory/2856-63-0x00000000016E0000-0x000000000416F000-memory.dmp

Download

memory/2856-65-0x0000000000480000-0x00000000016D4000-memory.dmp

Download

memory/2856-67-0x00000000016E0000-0x000000000416F000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads