MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 9d38f9ec73984b7fafcead3842ed5fe3920574f5d93cec8b4e4bb7dcd124662b. 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: | 9d38f9ec73984b7fafcead3842ed5fe3920574f5d93cec8b4e4bb7dcd124662b |
|---|---|
| SHA3-384 hash: | 72ad5faf94ae678503ea6e7263be98520b3bb45442c0858feac596d3f13d0e9ef576eb95c67e4477545b30f80b395679 |
| SHA1 hash: | f636e332f5902afa3f9a7fe289522c02c88f1e61 |
| MD5 hash: | 491ae99d4f8c0e43a157e4484182044a |
| humanhash: | kansas-uniform-mountain-summer |
| File name: | Orden de compra #20220510CO.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 193'672 bytes |
| First seen: | 2022-08-16 22:30:44 UTC |
| Last seen: | 2022-08-16 23:56:55 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f10e4da994053bf80c20cee985b32e29 (65 x GuLoader, 9 x RemcosRAT, 6 x QuasarRAT) |
| ssdeep | 3072:jFi6z/VXzAf3ocwubXpCpm+iC4fFQhXaPEQGOJ69K0Dh+Sqkh1T7ZVH28GS:jxFS/X8A+iC49QhXoEQGm69Vh+SqkhZZ |
| TLSH | T18E1402263390CC67DB3709B05B741E56EFE3832958A6535F63909B46B8272C2DD6E0E3 |
| 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 |  James_inthe_box |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | vulgarises Unprincipal |
|---|---|
| Issuer: | vulgarises Unprincipal |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-04-14T14:17:22Z |
| Valid to: | 2025-04-13T14:17:22Z |
| Serial number: | -2bef95fdf2cf40b6 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 1a702c5cb7625812a62d55a8694f894b39b2263c2519a43ef4796780b3d81835 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
260
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Orden de compra #20220510CO.exe
Verdict:
Malicious activity
Analysis date:
2022-08-16 22:32:24 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
Creating a file in the %temp% directory
Creating a window
Sending a custom TCP request
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:
buer guloader nemesis overlay packed quasar 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.
Verdict:
Unknown
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
Antivirus detection for URL or domain
Hides threads from debuggers
Multi AV Scanner detection for submitted file
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected GuLoader
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2022-08-16 22:30:14 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
19 of 26 (73.08%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
cloudeye
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader discovery downloader
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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
Checks QEMU agent file
Checks computer location settings
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917
MD5 hash:
792b6f86e296d3904285b2bf67ccd7e0
SHA1 hash:
966b16f84697552747e0ddd19a4ba8ab5083af31
SH256 hash:
9d38f9ec73984b7fafcead3842ed5fe3920574f5d93cec8b4e4bb7dcd124662b
MD5 hash:
491ae99d4f8c0e43a157e4484182044a
SHA1 hash:
f636e332f5902afa3f9a7fe289522c02c88f1e61
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | Ins_NSIS_Buer_Nov_2020_1 |
|---|---|
| Author: | Arkbird_SOLG |
| Description: | Detect NSIS installer used for Buer loader |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Delivery method
Other
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