MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d91c20255dcfa45ff808aefc27831597c95edca67273f6d08ceee6197f8eb784. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d91c20255dcfa45ff808aefc27831597c95edca67273f6d08ceee6197f8eb784
SHA3-384 hash: 0f222a75cfe32982717ae19964af3f7ebd46c6aeebde876a88781430d6a3245cbfd1270fd38cb46b27873167e5a07081
SHA1 hash: 3f90883c6eb47f0001dc3e8451dbfb1016065fec
MD5 hash: 96965b59db6e49d82835a1eaa55db1e4
humanhash: oven-mars-skylark-hotel
File name:FGH987654345670009876543OP.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:4'018'176 bytes
First seen:2025-07-29 15:43:56 UTC
Last seen:2025-08-12 14:49:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 0bc731cf33e5d5a3540f0c1d81010cd1 (1 x RemcosRAT)
ssdeep 98304:va0Dsut6oh27XIifkJb0wTxYSD9UFIV62kOAgyuLJDJZbUP+zhNUL9WKniCUGbAG:va0DsM6EJb0wTxYSD9UFIV62kOAgyuLG
TLSH T1AF06753D59BA112BD1B9C3789BC9892BF840D53B30157D29EAD307A9431AAC375D223F
TrID 70.2% (.EXE) Win32 Executable Microsoft Visual Basic 6 (82067/2/8)
9.0% (.EXE) Win64 Executable (generic) (10522/11/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 91c4c480c4844481 (2 x VIPKeylogger, 1 x DarkCloud, 1 x RemcosRAT)
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
46
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
FGH987654345670009876543OP.exe
Verdict:
No threats detected
Analysis date:
2025-07-29 15:45:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a1a6ba9e-6ccb-4cb7-8692-8493a70b5b54

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/17609/
Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6888ec5a0b4775fb213317fd
Tags:
malware
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
explorer lolbin visual_basic
Link:
https://www.filescan.io/uploads/6888ec54c79df08ef097b6f1/reports/954ad70c-8577-4dec-9c8f-1099da7e0cb7/overview
Verdict:
Malicious
Labled as:
Tedy.Generic
Link:
https://www.hybrid-analysis.com/sample/d91c20255dcfa45ff808aefc27831597c95edca67273f6d08ceee6197f8eb784
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a370e5cc-8379-4647-98c5-a6bb9e0fc905
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1746447
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d91c20255dcfa45ff808aefc27831597c95edca67273f6d08ceee6197f8eb784
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d91c20255dcfa45ff808aefc27831597c95edca67273f6d08ceee6197f8eb784/
Verdict:
Malicious
Threat:
Backdoor.Win32.Remcos
Link:
https://tip.neiki.dev/file/d91c20255dcfa45ff808aefc27831597c95edca67273f6d08ceee6197f8eb784
Threat name:
Win32.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-07-29 09:12:46 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3eocajk5z6sf76aiv36cpayvs7ev5xfgojz7nuem53tbs74ow6ca._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Link:
https://tria.ge/reports/250729-s6m55azjt4/
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
System Location Discovery: System Language Discovery
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/75d8b100-cd6e-4c9a-93a9-312f77695d8d
Unpacked files
SH256 hash:
d91c20255dcfa45ff808aefc27831597c95edca67273f6d08ceee6197f8eb784
MD5 hash:
96965b59db6e49d82835a1eaa55db1e4
SHA1 hash:
3f90883c6eb47f0001dc3e8451dbfb1016065fec
Link:
https://www.unpac.me/results/05697dc9-bbb7-413e-8359-b25d5b78c8d3/
SH256 hash:
3e1c2d5e149a4ce020bcd9748602fe18e3c54564622c6b32424a705ecfd4e10b
MD5 hash:
3b0d8fdfa260cf1a0d63970f85979c92
SHA1 hash:
35db2ca553c42b2592690eb75e89c84b4901d143
Detections:
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
Remcos
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Link:
https://www.unpac.me/results/05697dc9-bbb7-413e-8359-b25d5b78c8d3/
Parent samples :
09ed77b7dcd2dcff435a3c045a419e82671ee6e4cefb1a988e52f4266ee970cb
8a0437b52f09d5a59ae7c19e8556352cfc09b73036747194346f6535a81e456c
d91c20255dcfa45ff808aefc27831597c95edca67273f6d08ceee6197f8eb784
Please note that we are no longer able to provide a coverage score for Virus Total.

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:SEH__vba
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RemcosRAT

Executable exe d91c20255dcfa45ff808aefc27831597c95edca67273f6d08ceee6197f8eb784

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/17609/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
VB_APILegacy Visual Basic API usedMSVBVM60.DLL::__vbaSetSystemError
MSVBVM60.DLL::__vbaExitProc
MSVBVM60.DLL::__vbaObjSetAddref
MSVBVM60.DLL::EVENT_SINK_AddRef
MSVBVM60.DLL::__vbaLateMemCallLd
MSVBVM60.DLL::__vbaErrorOverflow

Comments