MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1875b7fa5fb3b439c6761a821b5b6c3fc060ba2010578e84736c2cd58585abe9. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
GuLoader
Vendor detections: 9
| SHA256 hash: | 1875b7fa5fb3b439c6761a821b5b6c3fc060ba2010578e84736c2cd58585abe9 |
|---|---|
| SHA3-384 hash: | 6f050d8cd288eeb3c4051a4db9d11a359a99e2f8292ed7710392d5f3977a190d2525ff94a40d22a7734534c8e994a0cf |
| SHA1 hash: | ec4127572fe5efb8e7ba95dc17e6eb7b2fd6a872 |
| MD5 hash: | 5d76fe97dd199e4c37040abaa7e67220 |
| humanhash: | failed-eight-lemon-one |
| File name: | Urgent offer Hopkirk Battery Systems (Liyang) Co. 30_9_2022.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 497'320 bytes |
| First seen: | 2022-09-30 09:07:00 UTC |
| Last seen: | 2022-10-10 06:11:29 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b34f154ec913d2d2c435cbd644e91687 (533 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer) |
| ssdeep | 12288:5OMttaxM+55i30viQ6p20gfUsKG9dzHEnUqciJx8kY8I:Y2EMeW0v16g0XkeJbI |
| Threatray | 755 similar samples on MalwareBazaar |
| TLSH | T100B4123036A4C393C5A16A34518AB5374B22AC132B504F57B3697B5EBE613B0EE0BF75 |
| TrID | 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 16.4% (.EXE) Win64 Executable (generic) (10523/12/4) 10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 7.0% (.EXE) Win32 Executable (generic) (4505/5/1) |
| Reporter |  0xToxin |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | |
|---|---|
| Issuer: | |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2021-10-31T21:42:15Z |
| Valid to: | 2024-10-30T21:42:15Z |
| Serial number: | -4432b37f80fd85a6 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | b6d4f7c551132d322e16a60237bb939beb4accfbb72c1aa3f5d9345d60098bbb |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
3
# of downloads :
526
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Creating a file
Sending a custom TCP request
Сreating synchronization primitives
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
AgentTesla, GuLoader
Detection:
malicious
Classification:
evad.troj.spyw
Score:
96 / 100
Signature
Antivirus detection for URL or domain
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Guloader
Status:
Suspicious
First seen:
2022-09-30 07:45:24 UTC
File Type:
PE (Exe)
Extracted files:
29
AV detection:
11 of 41 (26.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 745 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
Enumerates physical storage devices
Loads dropped DLL
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
MD5 hash:
9625d5b1754bc4ff29281d415d27a0fd
SHA1 hash:
80e85afc5cccd4c0a3775edbb90595a1a59f5ce0
SH256 hash:
1875b7fa5fb3b439c6761a821b5b6c3fc060ba2010578e84736c2cd58585abe9
MD5 hash:
5d76fe97dd199e4c37040abaa7e67220
SHA1 hash:
ec4127572fe5efb8e7ba95dc17e6eb7b2fd6a872
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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