MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 cf890935581d55d30342de2c71190393c3c03b99258ba7a1e3e3139099ee0b97. 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: 10
| SHA256 hash: | cf890935581d55d30342de2c71190393c3c03b99258ba7a1e3e3139099ee0b97 |
|---|---|
| SHA3-384 hash: | 6788245761480104aef84937994497a6ec000e1e751189e17fccfb40db9364bbb5085dcab4280094ee483ca03d3235ef |
| SHA1 hash: | d9d42397781c9d72ef16a92f6557cd950a85144e |
| MD5 hash: | 699d98fb555c202d7fddd925195a978d |
| humanhash: | river-football-arkansas-item |
| File name: | cf890935581d55d30342de2c71190393c3c03b99258ba7a1e3e3139099ee0b97 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 343'560 bytes |
| First seen: | 2022-09-08 08:04:18 UTC |
| Last seen: | 2022-09-08 08:37:59 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | c05041e01f84e1ccca9c4451f3b6a383 (141 x RedLineStealer, 101 x GuLoader, 64 x DiamondFox) |
| ssdeep | 6144:SgORanw37uorcsGnHaXIt6QU+tNt6mWovl09DDO3VFb2gZY:Sg7w3vbSHaXIt610N+o9m3O/b2gZY |
| Threatray | 4'131 similar samples on MalwareBazaar |
| TLSH | T14F7401917680C1ABF81D01716E27C2162BB5BC2609E4436F736CBB5E7A72151CA4FB2E |
| 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) |
| File icon (PE): |  |
| dhash icon | 01dce4fcccc4ec24 (1 x GuLoader) |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Cimbrisk Paakldende Glycoluril |
|---|---|
| Issuer: | Cimbrisk Paakldende Glycoluril |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-08-09T05:48:03Z |
| Valid to: | 2025-08-08T05:48:03Z |
| Serial number: | 67958244fb576826 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 66b122e5add9574bde21b1d6bb1d179b350ed5b26dd10d10df1664b582ed5ab4 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
353
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cf890935581d55d30342de2c71190393c3c03b99258ba7a1e3e3139099ee0b97
Verdict:
Malicious activity
Analysis date:
2022-09-08 08:03:52 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Delayed reading of the file
Searching for the window
Sending a custom TCP request
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
10/10
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.
Verdict:
Unknown
Result
Threat name:
AgentTesla, GuLoader
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Installs a global keyboard hook
Multi AV Scanner detection for submitted file
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2022-08-15 23:22:00 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
17 of 26 (65.38%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 4'121 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader downloader
Behaviour
Enumerates physical storage devices
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
5e66489393f159aa0fd30b630bb345d03418e9324e7d834b2e4195865a637cfe
MD5 hash:
4c77a65bb121bb7f2910c1fa3cb38337
SHA1 hash:
94531e3c6255125c1a85653174737d275bc35838
SH256 hash:
7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5
MD5 hash:
564bb0373067e1785cba7e4c24aab4bf
SHA1 hash:
7c9416a01d821b10b2eef97b80899d24014d6fc1
SH256 hash:
0c9fc37ec38a82604f60b113598ed7845ed5cad8803ca91661066e68527e052f
MD5 hash:
e09ef4360df9c270e0a75969b0f26b4b
SHA1 hash:
5b5b36ecd6aacf58613fe266904ad5f4ab2d5a5d
SH256 hash:
cf890935581d55d30342de2c71190393c3c03b99258ba7a1e3e3139099ee0b97
MD5 hash:
699d98fb555c202d7fddd925195a978d
SHA1 hash:
d9d42397781c9d72ef16a92f6557cd950a85144e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.07
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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