MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 550aec6e745fb420bfcd49a8b3bbb9535463918105fa7c4388bd81a478a3d1fb. 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
RemcosRAT
Vendor detections: 9
| SHA256 hash: | 550aec6e745fb420bfcd49a8b3bbb9535463918105fa7c4388bd81a478a3d1fb |
|---|---|
| SHA3-384 hash: | 31818e6d3298113e1aa1785990f6357d16eb42112c2e7dbf6ea5e91ec6b61073c9db0cd24a4ad59d5040e3a05b4a63ce |
| SHA1 hash: | 9d8f3f46f0dc7d120d6d6e31af136d65b68391c9 |
| MD5 hash: | a44d572d601b0d1b75f5bef15be26445 |
| humanhash: | illinois-kilo-uniform-triple |
| File name: | RFQ.AWB228306444_27.23.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 1'270'784 bytes |
| First seen: | 2023-07-27 12:45:55 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | e2a592076b17ef8bfb48b7e03965a3fc (419 x GuLoader, 63 x RemcosRAT, 52 x AgentTesla) |
| ssdeep | 24576:bWsotvzK1X/+QIJKL9N+Gxa1x6Ug49uqqFcwoitC/:bWsGK1v+Qk+9HxaZ9uqquwRtC/ |
| Threatray | 824 similar samples on MalwareBazaar |
| TLSH | T1074502042D8C588ACA2B8C33301AF6F915979FAE787D5A466E20F38F26F7347649714D |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 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) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | 70ccbeba969acc71 (3 x RemcosRAT) |
| Reporter |  malwarelabnet |
| Tags: | exe remcos RemcosRAT signed |
Code Signing Certificate
| Organisation: | |
|---|---|
| Issuer: | |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2023-05-07T00:37:48Z |
| Valid to: | 2026-05-06T00:37:48Z |
| Serial number: | 7966387d9bd99538ceeecdf3caa2a454a1c88ef7 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | d213a7873ad7c43775a900086a5c2b58535825cca35ed15654f6aacfb587f36c |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
330
Origin country :
CAVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ.AWB228306444_27.23.exe
Verdict:
Suspicious activity
Analysis date:
2023-07-27 12:49:07 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 window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Delayed reading of the file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
Verdict:
Malicious
Labled as:
Win/grayware_confidence_70%
Verdict:
Unknown
Result
Threat name:
GuLoader, Remcos
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Installs a global keyboard hook
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
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)
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2023-07-27 11:39:52 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
17 of 38 (44.74%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 814 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:remotehost rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
193.25.214.194:2404
Unpacked files
SH256 hash:
982c5fb7ada7d8c9bc3e419d1c35da6f05bc5dd845940c179af3a33d00a36a8b
MD5 hash:
0ff2d70cfdc8095ea99ca2dabbec3cd7
SHA1 hash:
10c51496d37cecd0e8a503a5a9bb2329d9b38116
SH256 hash:
550aec6e745fb420bfcd49a8b3bbb9535463918105fa7c4388bd81a478a3d1fb
MD5 hash:
a44d572d601b0d1b75f5bef15be26445
SHA1 hash:
9d8f3f46f0dc7d120d6d6e31af136d65b68391c9
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
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: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | PE_Potentially_Signed_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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