MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 17dddb2e6db0aa7d67c0e63f1129dde91f471fb6c5ce41d1e1574d8403ecd1ad. 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: | 17dddb2e6db0aa7d67c0e63f1129dde91f471fb6c5ce41d1e1574d8403ecd1ad |
|---|---|
| SHA3-384 hash: | ff7b4c79ae016ab9bc09f3d88fb4e40e53cceba54995950536de71eadc0cd590e32a0872b0dec14c5cf0f6e6b40451fe |
| SHA1 hash: | 4b6c5fc8230797fb521083601bd70cd83d8c7d2f |
| MD5 hash: | 789a47d33ce65dad5fd40c1e656cf638 |
| humanhash: | double-king-jig-vermont |
| File name: | 789a47d33ce65dad5fd40c1e656cf638 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 90'112 bytes |
| First seen: | 2021-06-21 07:35:12 UTC |
| Last seen: | 2021-06-21 10:39:21 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | afebd4b9a3c7e2a05199a96fc7d3e5d6 (2 x GuLoader) |
| ssdeep | 768:bOBYycoRhQqLpQ5PiRvwgo87goAub5sIE6uN2+JG39BztoLou6THw4tM+y9GFzyB:0zjCoOPiugp3AsQN2RTiku6TQrt9uWp |
| Threatray | 5'279 similar samples on MalwareBazaar |
| TLSH | 18936B22FFA4D891E04689724FA398B11A11FC26E8118D177179BBDD1F347825CE7F1A |
| Reporter |  zbetcheckin |
| Tags: | 32 exe GuLoader |
Intelligence
File Origin
# of uploads :
2
# of downloads :
241
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
789a47d33ce65dad5fd40c1e656cf638
Verdict:
Malicious activity
Analysis date:
2021-06-21 07:43:17 UTC
Tags:
trojan
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Guloader
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Found malware configuration
Hides threads from debuggers
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Yara detected Generic Dropper
Behaviour
Behavior Graph:
Detection:
guloader
Threat name:
Win32.Trojan.Hynamer
Status:
Malicious
First seen:
2021-06-21 07:36:17 UTC
AV detection:
7 of 46 (15.22%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 5'269 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:formbook family:guloader downloader rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Formbook Payload
Formbook
Guloader,Cloudeye
Malware Config
C2 Extraction:
http://www.yellow-wink.com/nff/
Unpacked files
SH256 hash:
49b04162c412105ab0857de16713724cbf3234a0b6ba51f3a5286312633f20c3
MD5 hash:
1f1b425190b2fb0396ad2d538b1060ba
SHA1 hash:
413f98641d46fdcabfcaf64f29495667de6282ea
SH256 hash:
17dddb2e6db0aa7d67c0e63f1129dde91f471fb6c5ce41d1e1574d8403ecd1ad
MD5 hash:
789a47d33ce65dad5fd40c1e656cf638
SHA1 hash:
4b6c5fc8230797fb521083601bd70cd83d8c7d2f
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
GuLoader
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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