MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 dc226bbd9a65576734dbea2bc18c596f6997bfc90715dc0ef21b7d867a9ac4ac. 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: | dc226bbd9a65576734dbea2bc18c596f6997bfc90715dc0ef21b7d867a9ac4ac |
|---|---|
| SHA3-384 hash: | dcdbe4e6c15aee4aeda58a0eda1d06725fe3808bf54e9bbcc4d30457563fcbba4c2d05feb6584a0a52387b67fd1abee9 |
| SHA1 hash: | 5eac75c7595e75d5d0b9c36b0072b0471a4353df |
| MD5 hash: | f596762141304e01c74812d1f8634efd |
| humanhash: | uniform-golf-fix-nevada |
| File name: | f596762141304e01c74812d1f8634efd |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 87'422 bytes |
| First seen: | 2022-06-10 10:37:10 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 56a78d55f3f7af51443e58e0ce2fb5f6 (725 x GuLoader, 451 x Formbook, 295 x Loki) |
| ssdeep | 1536:dq3tMhXvFvWKBRMQQ8pSuVYbfea8mWDpY2UpvuBu1TIO2XxHavkHTGM6Qe5io:o3yddvw8pSuVYbmjmW1XUpvuo9u8vkKD |
| Threatray | 2'140 similar samples on MalwareBazaar |
| TLSH | T15283E101A7A0C463F9E28B311D3F27378FFADD21186496174B906A1D3D76682DA1F7E2 |
| 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 | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe GuLoader |
Intelligence
File Origin
# of uploads :
1
# of downloads :
286
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f596762141304e01c74812d1f8634efd
Verdict:
Malicious activity
Analysis date:
2022-06-10 10:37:43 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Suspicious
Maliciousness:
Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% subdirectories
Creating a file
Creating a file in the Windows subdirectories
Сreating synchronization primitives
Creating a file in the Program Files subdirectories
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.
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
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
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:
2022-06-08 18:00:00 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
7 of 26 (26.92%)
Threat level:
3/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 2'130 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader discovery downloader
Behaviour
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Checks installed software on the system
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
da91339c05fc2aa86a018daa60756f291a3ad3064e39bddf8f6ffd93ffc8dc12
MD5 hash:
6a656639d09596928e47ec2a8590dd49
SHA1 hash:
f5732f17399f54c57b74ce8bf1455e667232f5de
SH256 hash:
dc226bbd9a65576734dbea2bc18c596f6997bfc90715dc0ef21b7d867a9ac4ac
MD5 hash:
f596762141304e01c74812d1f8634efd
SHA1 hash:
5eac75c7595e75d5d0b9c36b0072b0471a4353df
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
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