guloader | 181152eb6d75fa9dfbf1005e791114b7778ef167df37d74fb01a81a959d3edd7

General

Target

0fb539ce6cbe08fae40b7395c70dcdf0N.exe
Size

808KB
MD5

0fb539ce6cbe08fae40b7395c70dcdf0
SHA1

a390a4f8b4851dae30f958b0ff3af95bcf4d67c1
SHA256

181152eb6d75fa9dfbf1005e791114b7778ef167df37d74fb01a81a959d3edd7
SHA512

a582398119d4eec04a3956f8dc2da12d9fce8336763acf50c10776910c61dafa646e929db68279faae164f254ca8027d36a2ab8112c31b9facfdc2adf7f4e189
SSDEEP

12288:HXDLCvWu9hsxUJE4dKu7wdc8HAQhrNPVuzoN:HzLUhsxUioKukdc8HA+FVuz6

Score

10^/10

guloader lokibot collection credential_access discovery downloader spyware stealer trojan

Malware Config

Signatures

Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
Lokibot
Lokibot is a Password and CryptoCoin Wallet Stealer.
trojan spyware stealer lokibot
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Loads dropped DLL 1 IoCs

pid	Process
2296	0fb539ce6cbe08fae40b7395c70dcdf0N.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	0fb539ce6cbe08fae40b7395c70dcdf0N.exe
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	0fb539ce6cbe08fae40b7395c70dcdf0N.exe
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	0fb539ce6cbe08fae40b7395c70dcdf0N.exe

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

Web Service

T1102

flow	ioc
4	drive.google.com
5	drive.google.com

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\oksekdssuppernes\inddatakombinationer.ben	0fb539ce6cbe08fae40b7395c70dcdf0N.exe

Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs

pid	Process
960	0fb539ce6cbe08fae40b7395c70dcdf0N.exe
960	0fb539ce6cbe08fae40b7395c70dcdf0N.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2296	0fb539ce6cbe08fae40b7395c70dcdf0N.exe
960	0fb539ce6cbe08fae40b7395c70dcdf0N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2296 set thread context of 960	2296	0fb539ce6cbe08fae40b7395c70dcdf0N.exe	31

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Fonts\Nydelse\desinficeres.Gra99	0fb539ce6cbe08fae40b7395c70dcdf0N.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	0fb539ce6cbe08fae40b7395c70dcdf0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0fb539ce6cbe08fae40b7395c70dcdf0N.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2296	0fb539ce6cbe08fae40b7395c70dcdf0N.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
960	0fb539ce6cbe08fae40b7395c70dcdf0N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	960	0fb539ce6cbe08fae40b7395c70dcdf0N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 960	2296	0fb539ce6cbe08fae40b7395c70dcdf0N.exe	31
PID 2296 wrote to memory of 960	2296	0fb539ce6cbe08fae40b7395c70dcdf0N.exe	31
PID 2296 wrote to memory of 960	2296	0fb539ce6cbe08fae40b7395c70dcdf0N.exe	31
PID 2296 wrote to memory of 960	2296	0fb539ce6cbe08fae40b7395c70dcdf0N.exe	31
PID 2296 wrote to memory of 960	2296	0fb539ce6cbe08fae40b7395c70dcdf0N.exe	31
PID 2296 wrote to memory of 960	2296	0fb539ce6cbe08fae40b7395c70dcdf0N.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	0fb539ce6cbe08fae40b7395c70dcdf0N.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	0fb539ce6cbe08fae40b7395c70dcdf0N.exe

C:\Users\Admin\AppData\Local\Temp\0fb539ce6cbe08fae40b7395c70dcdf0N.exe
"C:\Users\Admin\AppData\Local\Temp\0fb539ce6cbe08fae40b7395c70dcdf0N.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Users\Admin\AppData\Local\Temp\0fb539ce6cbe08fae40b7395c70dcdf0N.exe
  "C:\Users\Admin\AppData\Local\Temp\0fb539ce6cbe08fae40b7395c70dcdf0N.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3434294380-2554721341-1919518612-1000\0f5007522459c86e95ffcc62f32308f1_d9071d2c-e5ad-4187-a976-30114bb93bf6

Filesize
46B

MD5
d898504a722bff1524134c6ab6a5eaa5

SHA1
e0fdc90c2ca2a0219c99d2758e68c18875a3e11e

SHA256
878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9

SHA512
26a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3434294380-2554721341-1919518612-1000\0f5007522459c86e95ffcc62f32308f1_d9071d2c-e5ad-4187-a976-30114bb93bf6

Filesize
46B

MD5
c07225d4e7d01d31042965f048728a0a

SHA1
69d70b340fd9f44c89adb9a2278df84faa9906b7

SHA256
8c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a

SHA512
23d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b

Download Submit
\Users\Admin\AppData\Local\Temp\nsjEF40.tmp\System.dll

Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

Download Submit
memory/960-11-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/960-12-0x0000000077AE0000-0x0000000077C89000-memory.dmp

Filesize
1.7MB

Download
memory/960-13-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/960-36-0x0000000001470000-0x00000000056CF000-memory.dmp

Filesize
66.4MB

Download
memory/2296-9-0x0000000077AE1000-0x0000000077BE2000-memory.dmp

Filesize
1.0MB

Download
memory/2296-10-0x0000000077AE0000-0x0000000077C89000-memory.dmp

Filesize
1.7MB

Download

Analysis

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