MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 79e1fc85396ae65e8431f8ceb92fefb5ec396381840d830c415ea2d81cb78a49. 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: | 79e1fc85396ae65e8431f8ceb92fefb5ec396381840d830c415ea2d81cb78a49 |
|---|---|
| SHA3-384 hash: | 8f7a3ae68a28c8ebe22161b34d7340c9552c6028c02a1e537a2c277d141d090d085c5ea3a6dd6a64f4f6fb8411e5ffa0 |
| SHA1 hash: | 91f6e4a0be90c39dd42d68de1e33d24bf28b47db |
| MD5 hash: | a1a804ad177c7ed334b5be2da145ff2f |
| humanhash: | artist-freddie-delaware-august |
| File name: | 807364412 - detailedManifest·pdf.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 357'512 bytes |
| First seen: | 2022-09-08 12:34:54 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 176ce6397deb91dca8c8158bf86c99a0 (16 x GuLoader, 4 x Formbook, 3 x Loki) |
| ssdeep | 6144:R/c/43AbmhXUQirdrt9ENYoTvGfKPGneuF+CPla9LvgQws18HOGCy853bSWeB/T:RR37XUTrdp9SYYOfKeneuFp6Lvgds18/ |
| Threatray | 14'163 similar samples on MalwareBazaar |
| TLSH | T131741240DE90C5BDCE6F06B4A173CB435F756F5B90106AABFB342A8775223C29A09265 |
| 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 | f0d2ccc8c0f0f4f0 (2 x GuLoader, 1 x Loki) |
| Reporter |  lowmal3 |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Diapers Sicilianers Ice |
|---|---|
| Issuer: | Diapers Sicilianers Ice |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-02-24T11:06:47Z |
| Valid to: | 2025-02-23T11:06:47Z |
| Serial number: | 37dc0f1c293b54bc |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 61daadc2600a7bee1a033c39ac7fe94787e1c84783ecb6641239a909bfbd318f |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
378
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
807364412 - detailedManifest·pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-09-08 12:36:57 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
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Sending a custom TCP request
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.
Verdict:
Unknown
Result
Threat name:
Nanocore, GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Detected Nanocore Rat
Hides that the sample has been downloaded from the Internet (zone.identifier)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2022-09-08 09:08:14 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
17 of 40 (42.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 14'153 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:guloader family:nanocore discovery downloader keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Loads dropped DLL
Guloader,Cloudeye
NanoCore
Malware Config
C2 Extraction:
master042.duckdns.org:2535
Unpacked files
SH256 hash:
6b6c63505ac093672cdc062ea23ea8fbb263204c9591c936dda896cba2c56504
MD5 hash:
499788d1d4b70ea3499b6411ef5aca0c
SHA1 hash:
db7274f0c3beea8a2ed7df7fe3006b1ec965d13c
SH256 hash:
1624d9ad8b2e2658af224691263f64388ba3a997efe80011889e3c35237ce4c1
MD5 hash:
6c38da8922cc37b4bbb77de4a63ad843
SHA1 hash:
4e0533fd11df8bddbd543ed58df7b6060d9f4631
SH256 hash:
79e1fc85396ae65e8431f8ceb92fefb5ec396381840d830c415ea2d81cb78a49
MD5 hash:
a1a804ad177c7ed334b5be2da145ff2f
SHA1 hash:
91f6e4a0be90c39dd42d68de1e33d24bf28b47db
Malware family:
NanoCore
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.28
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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