MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 61f45630e546f85c11acd61b11696322935906f3abad94d2160b4e0b4e794ad5. 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: 12
| SHA256 hash: | 61f45630e546f85c11acd61b11696322935906f3abad94d2160b4e0b4e794ad5 |
|---|---|
| SHA3-384 hash: | 4cc3f49884479f45a4c44bf68b94ab4e91cfc41d93f2ecc3a3d0a4fdec3c4957bfa03f6d38bbc4c1108bfca2f2322cb2 |
| SHA1 hash: | 16ec2bcb876b9f055fcb182a48aad9dc4a0a2d6c |
| MD5 hash: | b9fc67dea0a1a6c967a81863b851afe0 |
| humanhash: | white-floor-magazine-virginia |
| File name: | b9fc67dea0a1a6c967a81863b851afe0 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 472'226 bytes |
| First seen: | 2022-05-25 07:05:43 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki) |
| ssdeep | 12288:73nKn0c4uKYOrXMWYnl2Ys8t6YQt89VgZV:73ni0c4f7rXMWGl2Ys8q |
| Threatray | 1'888 similar samples on MalwareBazaar |
| TLSH | T1B8A4E1235719497AC97E0F73B02EF6A248735F766920A30F77C2B53728B11424A2F9B5 |
| 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 | f0e8c8c88e8eb29a (5 x GuLoader) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe GuLoader |
Intelligence
File Origin
# of uploads :
1
# of downloads :
399
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CMR.xlsx
Verdict:
Malicious activity
Analysis date:
2022-05-25 01:51:06 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% directory
Creating a file
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
control.exe guloader nanocore nemesis overlay packed shell32.dll wacatac
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:
FormBook, GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to resolve many domain names, but no domain seems valid
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Downloader.GuLoader
Status:
Malicious
First seen:
2022-05-25 06:30:57 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
17 of 26 (65.38%)
Threat level:
3/5
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 1'878 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader discovery downloader
Behaviour
Enumerates physical storage devices
Checks installed software on the system
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
a32cc44b623c5ebc8261d5d42962460922a2a9248911b730a5196701085cf62f
MD5 hash:
dc5c10e83a43f24c08fe679ab6999064
SHA1 hash:
f6530c27f611b7bbf7f979cc3e31b2788341a58f
SH256 hash:
61f45630e546f85c11acd61b11696322935906f3abad94d2160b4e0b4e794ad5
MD5 hash:
b9fc67dea0a1a6c967a81863b851afe0
SHA1 hash:
16ec2bcb876b9f055fcb182a48aad9dc4a0a2d6c
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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
Comments
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