MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6fe5339787d8f43616b237184b590f5eddd691221bebd67f3847a9c1bb510417. 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: | 6fe5339787d8f43616b237184b590f5eddd691221bebd67f3847a9c1bb510417 |
|---|---|
| SHA3-384 hash: | 3fdc6b7269c5f2f53e0efdfc79816cfb69ec1b6215bcbe411065c7c2bc7437aa5e0b4dd77b9c46ab3a9d17d12b63b0fb |
| SHA1 hash: | d22d2953d59088c73b4287f58523e030d6113f68 |
| MD5 hash: | 1580f84c43a5fbacb20571df00898f18 |
| humanhash: | princess-six-triple-video |
| File name: | shipping documents.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 352'040 bytes |
| First seen: | 2022-02-10 13:35:50 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki) |
| ssdeep | 6144:5bE/HUK57mgRKuRA4T7W/Ia12YeoTjiX1Vvoi652gDf4lDJw58rvGz5bP1D+:5b+57rKUTS/bpvCX1sSlGKvGt71D+ |
| Threatray | 1'550 similar samples on MalwareBazaar |
| TLSH | T1EA741202FA208427F47A0AB105BBBA6B87FD982056608F275B90D64C7D63B415E4EFD7 |
| File icon (PE): |  |
| dhash icon | bb3bf39a9ed9e6b2 (2 x GuLoader, 1 x ZLoader) |
| Reporter |  GovCERT_CH |
| Tags: | exe GuLoader signed Vildmndene4 |
Code Signing Certificate
| Organisation: | Vildmndene4 |
|---|---|
| Issuer: | Vildmndene4 |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-02-10T11:03:06Z |
| Valid to: | 2023-02-10T11:03:06Z |
| Serial number: | 00 |
| Intelligence: | 325 malware samples on MalwareBazaar are signed with this code signing certificate |
| Cert Central Blocklist: | This certificate is on the Cert Central blocklist |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 92fd069030bb25ae4d9bc54a63274049a3c165a39c0778a77c08670af9683313 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
313
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a file
DNS request
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
control.exe 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:
GuLoader
Verdict:
Malicious
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
56 / 100
Signature
Executable has a suspicious name (potential lure to open the executable)
Found PHP interpreter
Initial sample is a PE file and has a suspicious name
Tries to detect virtualization through RDTSC time measurements
Behaviour
Behavior Graph:
Threat name:
Win32.Downloader.GuLoader
Status:
Malicious
First seen:
2022-02-10 13:36:14 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
12 of 28 (42.86%)
Threat level:
3/5
Detection(s):
Suspicious file
Verdict:
suspicious
Label(s):
cloudeye
Similar samples:
+ 1'540 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader downloader
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Enumerates physical storage devices
Drops file in Windows directory
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
MD5 hash:
cff85c549d536f651d4fb8387f1976f2
SHA1 hash:
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
SH256 hash:
6fe5339787d8f43616b237184b590f5eddd691221bebd67f3847a9c1bb510417
MD5 hash:
1580f84c43a5fbacb20571df00898f18
SHA1 hash:
d22d2953d59088c73b4287f58523e030d6113f68
Please note that we are no longer able to provide a coverage score for Virus Total.
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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