MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 88a56adfda71155cd315c64ca5ab176120f7d74369cc752cb63ee6a00f90e736. 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: 11
| SHA256 hash: | 88a56adfda71155cd315c64ca5ab176120f7d74369cc752cb63ee6a00f90e736 |
|---|---|
| SHA3-384 hash: | c3894894032312f1aabefe228dc14c4e3ab6158761fae1fd762a561e2f79ba2402db5cbc1e253810aeeb181fa983b5a3 |
| SHA1 hash: | 33516981aa5d0cd1ee5dc0f1627449d0a45a6472 |
| MD5 hash: | 11be05a3efc32c20ccf83bd7f6a48e07 |
| humanhash: | lion-don-salami-magnesium |
| File name: | FACTURA_DE_COBRO_3087757027540339132641_7042322598576425_642294545898539_255480869736.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 133'504 bytes |
| First seen: | 2022-02-08 02:04:12 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 56a78d55f3f7af51443e58e0ce2fb5f6 (725 x GuLoader, 451 x Formbook, 295 x Loki) |
| ssdeep | 3072:ObG7N2kDTHUpouOOsP4bTsJ3kTt+2tvM0dAPs:ObE/HUNsC4Kttt0b0 |
| Threatray | 9'078 similar samples on MalwareBazaar |
| TLSH | T1BCD3E010A750D013D8684E75D9B5D6FE6BF0AD02F4608B0B13707FAE7D763A2691E326 |
| File icon (PE): |  |
| dhash icon | b271e896d4d4f030 (2 x GuLoader) |
| Reporter |  abuse_ch |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | BRINGERNES |
|---|---|
| Issuer: | BRINGERNES |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-02-08T00:51:10Z |
| Valid to: | 2023-02-08T00:51:10Z |
| 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: | 4e9f65269be8652827b3d8ee6cea87b8f54956c93367b1b73c18bfcf2b261480 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
269
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a file
DNS request
Launching a process
Unauthorized injection to a recently created process by context flags manipulation
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
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:
GuLoader Remcos
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides threads from debuggers
Sigma detected: New RUN Key Pointing to Suspicious Folder
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Shelsy
Status:
Malicious
First seen:
2022-02-08 02:05:11 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
13 of 28 (46.43%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 9'068 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader downloader persistence
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks QEMU agent file
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
MD5 hash:
cff85c549d536f651d4fb8387f1976f2
SHA1 hash:
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
SH256 hash:
88a56adfda71155cd315c64ca5ab176120f7d74369cc752cb63ee6a00f90e736
MD5 hash:
11be05a3efc32c20ccf83bd7f6a48e07
SHA1 hash:
33516981aa5d0cd1ee5dc0f1627449d0a45a6472
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.
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