guloader | 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8

Analysis

max time kernel
146s
max time network
140s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
19-06-2023 11:50

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General

Target

78c56c6fd7ed0ff5c69ec132d61e27b3.exe
Size

414KB
MD5

78c56c6fd7ed0ff5c69ec132d61e27b3
SHA1

74a6d0f1b2439cff590d63922f4c3f442f39ab10
SHA256

6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8
SHA512

82d351e3117215114c984d57c1b73b6c3955cf0f937a04bf107a9911b343660147dc58825103ba749e6f7cd8e54a4f8e8e3f4e61942f3cd952da7b7b604ed0ec
SSDEEP

12288:vqugI2VOoo9QTB8gw2JL8xjiUinElye4HbFTt:Cr3Ooo618faCj3inzhTt

Score

10^/10

guloader lokibot collection 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

Checks QEMU agent file 2 TTPs 2 IoCs

Checks presence of QEMU agent, possibly to detect virtualization.

Query Registry

T1012

System Information Discovery

T1082

Processes:

78c56c6fd7ed0ff5c69ec132d61e27b3.exe78c56c6fd7ed0ff5c69ec132d61e27b3.exe

description	ioc	process
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	78c56c6fd7ed0ff5c69ec132d61e27b3.exe
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	78c56c6fd7ed0ff5c69ec132d61e27b3.exe

Loads dropped DLL 1 IoCs

Processes:

78c56c6fd7ed0ff5c69ec132d61e27b3.exe

pid process

1300 78c56c6fd7ed0ff5c69ec132d61e27b3.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
T1081

pid	process
1300	78c56c6fd7ed0ff5c69ec132d61e27b3.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

78c56c6fd7ed0ff5c69ec132d61e27b3.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	78c56c6fd7ed0ff5c69ec132d61e27b3.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	78c56c6fd7ed0ff5c69ec132d61e27b3.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	78c56c6fd7ed0ff5c69ec132d61e27b3.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in System32 directory 2 IoCs

Processes:

78c56c6fd7ed0ff5c69ec132d61e27b3.exe

description	ioc	process
File created	C:\Windows\SysWOW64\udfrings\drejebnke.lnk	78c56c6fd7ed0ff5c69ec132d61e27b3.exe
File opened for modification	C:\Windows\SysWOW64\Murkly\Knsenes236\Paba.fol	78c56c6fd7ed0ff5c69ec132d61e27b3.exe

Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs

Processes:

78c56c6fd7ed0ff5c69ec132d61e27b3.exe

pid process

1188 78c56c6fd7ed0ff5c69ec132d61e27b3.exe
1188 78c56c6fd7ed0ff5c69ec132d61e27b3.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

78c56c6fd7ed0ff5c69ec132d61e27b3.exe78c56c6fd7ed0ff5c69ec132d61e27b3.exe

pid process

1300 78c56c6fd7ed0ff5c69ec132d61e27b3.exe
1188 78c56c6fd7ed0ff5c69ec132d61e27b3.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

78c56c6fd7ed0ff5c69ec132d61e27b3.exe

description pid process target process

PID 1300 set thread context of 1188 1300 78c56c6fd7ed0ff5c69ec132d61e27b3.exe 78c56c6fd7ed0ff5c69ec132d61e27b3.exe

pid	process
1188	78c56c6fd7ed0ff5c69ec132d61e27b3.exe
1188	78c56c6fd7ed0ff5c69ec132d61e27b3.exe

pid	process
1300	78c56c6fd7ed0ff5c69ec132d61e27b3.exe
1188	78c56c6fd7ed0ff5c69ec132d61e27b3.exe

description	pid	process	target process
PID 1300 set thread context of 1188	1300	78c56c6fd7ed0ff5c69ec132d61e27b3.exe	78c56c6fd7ed0ff5c69ec132d61e27b3.exe

Drops file in Windows directory 1 IoCs

Processes:

78c56c6fd7ed0ff5c69ec132d61e27b3.exe

description	ioc	process
File opened for modification	C:\Windows\resources\fluidible\temptsome\Brkagernes26\philanthropinist.mem	78c56c6fd7ed0ff5c69ec132d61e27b3.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:

78c56c6fd7ed0ff5c69ec132d61e27b3.exe

pid process

1300 78c56c6fd7ed0ff5c69ec132d61e27b3.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

78c56c6fd7ed0ff5c69ec132d61e27b3.exe

pid process

1188 78c56c6fd7ed0ff5c69ec132d61e27b3.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

78c56c6fd7ed0ff5c69ec132d61e27b3.exe

description pid process

Token: SeDebugPrivilege 1188 78c56c6fd7ed0ff5c69ec132d61e27b3.exe

pid	process
1300	78c56c6fd7ed0ff5c69ec132d61e27b3.exe

pid	process
1188	78c56c6fd7ed0ff5c69ec132d61e27b3.exe

description	pid	process
Token: SeDebugPrivilege	1188	78c56c6fd7ed0ff5c69ec132d61e27b3.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

78c56c6fd7ed0ff5c69ec132d61e27b3.exe

description	pid	process	target process
PID 1300 wrote to memory of 1188	1300	78c56c6fd7ed0ff5c69ec132d61e27b3.exe	78c56c6fd7ed0ff5c69ec132d61e27b3.exe
PID 1300 wrote to memory of 1188	1300	78c56c6fd7ed0ff5c69ec132d61e27b3.exe	78c56c6fd7ed0ff5c69ec132d61e27b3.exe
PID 1300 wrote to memory of 1188	1300	78c56c6fd7ed0ff5c69ec132d61e27b3.exe	78c56c6fd7ed0ff5c69ec132d61e27b3.exe
PID 1300 wrote to memory of 1188	1300	78c56c6fd7ed0ff5c69ec132d61e27b3.exe	78c56c6fd7ed0ff5c69ec132d61e27b3.exe
PID 1300 wrote to memory of 1188	1300	78c56c6fd7ed0ff5c69ec132d61e27b3.exe	78c56c6fd7ed0ff5c69ec132d61e27b3.exe

outlook_office_path 1 IoCs

Processes:

78c56c6fd7ed0ff5c69ec132d61e27b3.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	78c56c6fd7ed0ff5c69ec132d61e27b3.exe

outlook_win_path 1 IoCs

Processes:

78c56c6fd7ed0ff5c69ec132d61e27b3.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	78c56c6fd7ed0ff5c69ec132d61e27b3.exe

C:\Users\Admin\AppData\Local\Temp\78c56c6fd7ed0ff5c69ec132d61e27b3.exe
"C:\Users\Admin\AppData\Local\Temp\78c56c6fd7ed0ff5c69ec132d61e27b3.exe"
1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1300

C:\Users\Admin\AppData\Local\Temp\78c56c6fd7ed0ff5c69ec132d61e27b3.exe
"C:\Users\Admin\AppData\Local\Temp\78c56c6fd7ed0ff5c69ec132d61e27b3.exe"
2⤵
- Checks QEMU agent file
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1188

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Tristich.lnk
Filesize
996B

MD5
95402bb650e9a05cdee93acc75172764

SHA1
9fa4b3e8ea08f52256242da43ab4d6e6a0da315d

SHA256
ace815a0a917a3a1bef859643d75f7e07b602dff43ad5969251f47d0b3f4d05c

SHA512
9c9dd220b9c99fe9dafdf5ecac2748d73ca2c1514b16e135d1772b4845b98dff51f039ee4aa488f21f51185c81659de4ba26012f6bf499def607b2405360c08d

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1563773381-2037468142-1146002597-1000\0f5007522459c86e95ffcc62f32308f1_b2297557-1764-4c87-9db5-9b6890ebc138
Filesize
46B

MD5
d898504a722bff1524134c6ab6a5eaa5

SHA1
e0fdc90c2ca2a0219c99d2758e68c18875a3e11e

SHA256
878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9

SHA512
26a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1563773381-2037468142-1146002597-1000\0f5007522459c86e95ffcc62f32308f1_b2297557-1764-4c87-9db5-9b6890ebc138
Filesize
46B

MD5
c07225d4e7d01d31042965f048728a0a

SHA1
69d70b340fd9f44c89adb9a2278df84faa9906b7

SHA256
8c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a

SHA512
23d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b

Download Submit
\Users\Admin\AppData\Local\Temp\nsd7CFE.tmp\System.dll
Filesize
11KB

MD5
a4dd044bcd94e9b3370ccf095b31f896

SHA1
17c78201323ab2095bc53184aa8267c9187d5173

SHA256
2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc

SHA512
87335a43b9ca13e1300c7c23e702e87c669e2bcf4f6065f0c684fc53165e9c1f091cc4d79a3eca3910f0518d3b647120ac0be1a68eaade2e75eaa64adfc92c5a

Download Submit
memory/1188-281-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1188-282-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1188-297-0x0000000001470000-0x00000000048AE000-memory.dmp

Filesize
52.2MB

Download
memory/1188-300-0x0000000001470000-0x00000000048AE000-memory.dmp

Filesize
52.2MB

Download