guloader | 1de20ab31a930a9f60a323ad35c4a0d670fc457cee78357d099784487bd8c9eb

General

Target

BPN__S-I03810366200624-820240628503036_202407010849535435_20240702135021·pdf.exe
Size

913KB
MD5

811a6608bd141b5c41cceaa9d1e7ee52
SHA1

63ee2d9a226ada53731204f906f5030cb6a28076
SHA256

1de20ab31a930a9f60a323ad35c4a0d670fc457cee78357d099784487bd8c9eb
SHA512

a27becb13d18fa4eb4c634ba2fb780505badd210fa380951948da1c9e56471649773786a2c0f35f889aa19981043f03375b10477b4b7b1fe10461dcedd8ca6cb
SSDEEP

12288:fBfOreq6OBi6FVd5cw6HETDVVKmuqCsV2qpqfyl0fGXJ9BqNJowksVz:lOreq6O9FRc2xVS5WEO0fG5vq7H

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
2788	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	wab.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	wab.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\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
5	drive.google.com
3	drive.google.com

Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs

pid	Process
2120	wab.exe
2120	wab.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2788	powershell.exe
2120	wab.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2788 set thread context of 2120	2788	powershell.exe	31

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
2788	powershell.exe
2788	powershell.exe
2788	powershell.exe
2788	powershell.exe
2788	powershell.exe
2788	powershell.exe
2788	powershell.exe
2788	powershell.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2788	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2788	powershell.exe
Token: SeDebugPrivilege	2120	wab.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 2788	2844	BPN__S-I03810366200624-820240628503036_202407010849535435_20240702135021·pdf.exe	28
PID 2844 wrote to memory of 2788	2844	BPN__S-I03810366200624-820240628503036_202407010849535435_20240702135021·pdf.exe	28
PID 2844 wrote to memory of 2788	2844	BPN__S-I03810366200624-820240628503036_202407010849535435_20240702135021·pdf.exe	28
PID 2844 wrote to memory of 2788	2844	BPN__S-I03810366200624-820240628503036_202407010849535435_20240702135021·pdf.exe	28
PID 2788 wrote to memory of 2120	2788	powershell.exe	31
PID 2788 wrote to memory of 2120	2788	powershell.exe	31
PID 2788 wrote to memory of 2120	2788	powershell.exe	31
PID 2788 wrote to memory of 2120	2788	powershell.exe	31
PID 2788 wrote to memory of 2120	2788	powershell.exe	31
PID 2788 wrote to memory of 2120	2788	powershell.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	wab.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	wab.exe

C:\Users\Admin\AppData\Local\Temp\BPN__S-I03810366200624-820240628503036_202407010849535435_20240702135021·pdf.exe
"C:\Users\Admin\AppData\Local\Temp\BPN__S-I03810366200624-820240628503036_202407010849535435_20240702135021·pdf.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -windowstyle hidden "$unterraced=Get-Content 'C:\Users\Admin\AppData\Local\twinsomeness\Pissoirers\Spirochete204.Myc';$Lagerekspedient=$unterraced.SubString(66375,3);.$Lagerekspedient($unterraced)"
  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:2788
- - 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:2120

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\Local\twinsomeness\Chamorro.Saf

Filesize
349KB

MD5
4278592189a8cf3b0cc374530489b451

SHA1
d940efc32e83c28cda2944328990bf003a4fcef5

SHA256
ce8ec891957bff40554b1ae1c98eadbcd5e22e435e6002f0153e84f0e9c03b8d

SHA512
026c66b10dbbef0a018eaa6922d065db009bdde3fa064a63c68d659543ca5ceae232e77bddae4a6d0284a6f5801a1ea1af31ec8db88906d9ad530dc6964f1b0b

Download Submit
C:\Users\Admin\AppData\Local\twinsomeness\Pissoirers\Spirochete204.Myc

Filesize
69KB

MD5
20aa894e99916487d81dbe300b79fc2e

SHA1
adc74679240e54c6c18bb8aecfebdd0be6c83ba2

SHA256
0b52c1fa9332130ff96449b7b0449c15f46e707029232e6b73933ba39195e723

SHA512
cf2fbc0a23487b5eecbd3320981a7606b1725239ebf06d4059850dc3f1d444d6bb4e38c4e5e3bd59d0b5a95d73e3aeccc30290682543d3735fdca8dff81e4593

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1298544033-3225604241-2703760938-1000\0f5007522459c86e95ffcc62f32308f1_e3fd1d67-4513-4809-a7f1-bf54bd53bdbc

Filesize
46B

MD5
d898504a722bff1524134c6ab6a5eaa5

SHA1
e0fdc90c2ca2a0219c99d2758e68c18875a3e11e

SHA256
878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9

SHA512
26a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1298544033-3225604241-2703760938-1000\0f5007522459c86e95ffcc62f32308f1_e3fd1d67-4513-4809-a7f1-bf54bd53bdbc

Filesize
46B

MD5
c07225d4e7d01d31042965f048728a0a

SHA1
69d70b340fd9f44c89adb9a2278df84faa9906b7

SHA256
8c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a

SHA512
23d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b

Download Submit
memory/2120-44-0x0000000000590000-0x0000000002D11000-memory.dmp

Filesize
39.5MB

Download
memory/2788-18-0x0000000074460000-0x0000000074A0B000-memory.dmp

Filesize
5.7MB

Download
memory/2788-11-0x0000000074461000-0x0000000074462000-memory.dmp

Filesize
4KB

Download
memory/2788-15-0x0000000074460000-0x0000000074A0B000-memory.dmp

Filesize
5.7MB

Download
memory/2788-20-0x0000000074460000-0x0000000074A0B000-memory.dmp

Filesize
5.7MB

Download
memory/2788-21-0x0000000006760000-0x0000000008EE1000-memory.dmp

Filesize
39.5MB

Download
memory/2788-22-0x0000000074460000-0x0000000074A0B000-memory.dmp

Filesize
5.7MB

Download
memory/2788-14-0x0000000074460000-0x0000000074A0B000-memory.dmp

Filesize
5.7MB

Download
memory/2788-13-0x0000000074460000-0x0000000074A0B000-memory.dmp

Filesize
5.7MB

Download
memory/2788-12-0x0000000074460000-0x0000000074A0B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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