MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a7003b7af78dab031889daa333fab455659a6fb09d8e815f5cee1848ae881b49. 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
Threat unknown
Vendor detections: 12
| SHA256 hash: | a7003b7af78dab031889daa333fab455659a6fb09d8e815f5cee1848ae881b49 |
|---|---|
| SHA3-384 hash: | f39d5e9de4da3efa392b43dacecdeda87a57b26ec2730e87ebf02d8a557edc90e7a9f83cb1291513cb9effbe0e8007c5 |
| SHA1 hash: | 274702802082a01ec1ba8dcd54dcb870fe68d98e |
| MD5 hash: | 422875e5076daf24a1f58fe9b21a67bd |
| humanhash: | don-saturn-victor-music |
| File name: | a7003b7af78dab031889daa333fab455659a6fb09d8e815f5cee1848ae881b49 |
| Download: | download sample |
| File size: | 83'840 bytes |
| First seen: | 2026-01-28 09:02:15 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 573bb7b41bc641bd95c0f5eec13c233b (66 x GuLoader, 32 x AgentTesla, 31 x RemcosRAT) |
| ssdeep | 1536:oT4HrN+noJHCq0Zs0s0DAVeu6TpisYX61zHRp6PVTx:oTIN8ogtjDAVeu6TpisG6FHRp6PVN |
| TLSH | T1EE83AF40E660D462ECB2C73620765E775DB3BD2AA8B0160F1B2C35247FB36D2951F927 |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10522/11/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| dhash icon | f6f9b5e6c486b3c9 (8 x RemcosRAT, 6 x Formbook, 4 x AgentTesla) |
| Reporter |  JAMESWT_WT |
| Tags: | exe signed |
Code Signing Certificate
| Organisation: | Auto Posto Silvestre Comercio de Combustiveis LTDA |
|---|---|
| Issuer: | Sectigo Public Code Signing CA EV R36 |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2025-12-09T00:00:00Z |
| Valid to: | 2026-12-09T23:59:59Z |
| Serial number: | a3540ab61ddf24e949a9a40229a044ea |
| Intelligence: | 7 malware samples on MalwareBazaar are signed with this code signing certificate |
| Cert Graveyard Blocklist: | This certificate is on the Cert Graveyard blocklist |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 06b92982ad182468a9409be58996d76bd70c23e63a86f47e8a7bff85937b3846 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
132
Origin country :
ITVendor Threat Intelligence
Malware configuration found for:
NSIS
Details
NSIS
extracted archive contents
Malware family:
n/a
ID:
1
File name:
a7003b7af78dab031889daa333fab455659a6fb09d8e815f5cee1848ae881b49
Verdict:
Malicious activity
Analysis date:
2026-01-28 09:09:53 UTC
Tags:
auto-reg
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
99.1%
Tags:
shell virus sage
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug installer installer installer-heuristic microsoft_visual_cc nsis overlay signed soft-404
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-15T10:22:00Z UTC
Last seen:
2026-01-30T06:22:00Z UTC
Hits:
~100
Detections:
Trojan-Dropper.Win32.Sysn.dcuu VHO:Trojan-Dropper.Win32.Sysn.gen VHO:Trojan-Dropper.Win32.Sysn.dcuu PDM:Trojan.Win32.Generic
Verdict:
Malicious
Score:
68%
Verdict:
Susipicious
File Type:
PE
Gathering data
Verdict:
Malicious
Threat:
VHO:Trojan-Dropper.Win32.Sysn
Threat name:
Win32.Malware.Heuristic
Status:
Malicious
First seen:
2026-01-16 20:49:00 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
18 of 24 (75.00%)
Threat level:
2/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
8/10
Tags:
discovery execution persistence
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
NTFS ADS
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Time Discovery
Drops file in Windows directory
Loads dropped DLL
Adds Run key to start application
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
a7003b7af78dab031889daa333fab455659a6fb09d8e815f5cee1848ae881b49
MD5 hash:
422875e5076daf24a1f58fe9b21a67bd
SHA1 hash:
274702802082a01ec1ba8dcd54dcb870fe68d98e
SH256 hash:
986db3fc7426d1475b2048be9554fc6f4e4114050b3a43e1e980b5daeb6ec005
MD5 hash:
d9407a70b1727c420820cffbdc6e6082
SHA1 hash:
ba8ce5aef380edc29780ca2226193df26e6bfac4
SH256 hash:
8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
MD5 hash:
9b38a1b07a0ebc5c7e59e63346ecc2db
SHA1 hash:
97332a2ffcf12a3e3f27e7c05213b5d7faa13735
SH256 hash:
e0dc3112796dbaa37f25ab54b7fac2fbf791cbc6e36a84fc61c6423b84a3677b
MD5 hash:
e6f30908abfc6f53b7c3c36daec4586d
SHA1 hash:
a9ce4ceb9121c0f4375010438359f564f77506e3
SH256 hash:
b121689861b506dbc9c3797b49bc8a90d555cb7db58cb959165cc758391c00bb
MD5 hash:
8fe362ffdfa66269b8a64e3a87f68e52
SHA1 hash:
b5daaa60a6b8591a670da9fc3a2d6f896d55f568
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | Detect_NSIS_Nullsoft_Installer |
|---|---|
| Author: | Obscurity Labs LLC |
| Description: | Detects NSIS installers by .ndata section + NSIS header string |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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