guloader | a9ab46452a78667dfb767d2bf2507c607d818463c8a0b8d87cf3b79335247a3e

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-09-2024 19:28

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General

Target

ee467fc75976be56bd6efeaa60077b45_JaffaCakes118.exe
Size

136KB
MD5

ee467fc75976be56bd6efeaa60077b45
SHA1

3f1853cadf81ea7a9269548bfe5b80109bbe25d7
SHA256

a9ab46452a78667dfb767d2bf2507c607d818463c8a0b8d87cf3b79335247a3e
SHA512

07144acfcdeda4a62c759b9f06402547f3a3b714825b4fcf65253bbfc897b31556505ba9048957ba3dec2c04e099d5e8ae04d7cbad4548981d5a89c01e6041d1
SSDEEP

1536:tZNsxu9//i3QkgUUUUIL3L9mBAHVwNouvDoMbddzh6sAXjjiJ:tsDaBAHVwNfvEMbDzhyXjC

Score

10^/10

guloader discovery downloader

Malware Config

Extracted

Family

guloader

https://drive.google.com/uc?export=download&id=1-m0uB8K2pb7cz3ZJMQpiIfCYb6tle2v1

xor.base64

Signatures

Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
3	drive.google.com
5	drive.google.com

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2268	ee467fc75976be56bd6efeaa60077b45_JaffaCakes118.exe
2696	ee467fc75976be56bd6efeaa60077b45_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2268 set thread context of 2696	2268	ee467fc75976be56bd6efeaa60077b45_JaffaCakes118.exe	30

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	ee467fc75976be56bd6efeaa60077b45_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ee467fc75976be56bd6efeaa60077b45_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2268	ee467fc75976be56bd6efeaa60077b45_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2268	ee467fc75976be56bd6efeaa60077b45_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 2696	2268	ee467fc75976be56bd6efeaa60077b45_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2696	2268	ee467fc75976be56bd6efeaa60077b45_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2696	2268	ee467fc75976be56bd6efeaa60077b45_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2696	2268	ee467fc75976be56bd6efeaa60077b45_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2696	2268	ee467fc75976be56bd6efeaa60077b45_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\ee467fc75976be56bd6efeaa60077b45_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ee467fc75976be56bd6efeaa60077b45_JaffaCakes118.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Users\Admin\AppData\Local\Temp\ee467fc75976be56bd6efeaa60077b45_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ee467fc75976be56bd6efeaa60077b45_JaffaCakes118.exe"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:2696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2268-4-0x0000000000350000-0x000000000035B000-memory.dmp

Filesize
44KB

Download
memory/2268-7-0x0000000077630000-0x00000000777D9000-memory.dmp

Filesize
1.7MB

Download
memory/2268-3-0x0000000077631000-0x0000000077732000-memory.dmp

Filesize
1.0MB

Download
memory/2268-2-0x0000000000350000-0x000000000035B000-memory.dmp

Filesize
44KB

Download
memory/2268-27-0x0000000077630000-0x00000000777D9000-memory.dmp

Filesize
1.7MB

Download
memory/2696-8-0x0000000077630000-0x00000000777D9000-memory.dmp

Filesize
1.7MB

Download
memory/2696-5-0x0000000000400000-0x00000000004DF000-memory.dmp

Filesize
892KB

Download
memory/2696-28-0x0000000000400000-0x00000000004DF000-memory.dmp

Filesize
892KB

Download