MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff3d90e2170a8b7046ea85bebee200591bb79717ec62c062ab14f75d01d438f5. 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: 20


Intelligence 20 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ff3d90e2170a8b7046ea85bebee200591bb79717ec62c062ab14f75d01d438f5
SHA3-384 hash: a94caee4ebdeb0dc1943747da41158ea457f88992815577c007977d98e38541bcb0223111f975941431ed6e7f7eeedf5
SHA1 hash: 94e711bd7b1ecbbfa3d0f06e660bc0f32936f45d
MD5 hash: 6e7529b4735063d1d4fc14fb4c69da6c
humanhash: green-montana-ack-august
File name:ff3d90e2170a8b7046ea85bebee200591bb79717ec62c062ab14f75d01d438f5
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:963'072 bytes
First seen:2025-03-10 11:55:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 24576:CMnToDfP0A5jVVahUNpzcrjS8FW9IBl3vpbJ04KBV:CMn+sOjm6Q5Blfx/K
Threatray 530 similar samples on MalwareBazaar
TLSH T1722512983B1DE517DE5253341A72F2B0277C6EDDA410D31BAECDBDDB78B6A124C48282
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
356
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
ff3d90e2170a8b7046ea85bebee200591bb79717ec62c062ab14f75d01d438f5
Verdict:
Malicious activity
Analysis date:
2025-03-10 16:21:26 UTC
Tags:
remcos rat
Link:
https://app.any.run/tasks/dc65fe2b-336b-491e-a352-477f51b5a514

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67cede231f777fe306089c44
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Creating a process from a recently created file
Connection attempt
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67ced3663c5f644bd94b22b4/reports/9c024ab9-40bc-4b88-a2d5-c37537810c50/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/ff3d90e2170a8b7046ea85bebee200591bb79717ec62c062ab14f75d01d438f5
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:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1a1d0cd0-94d3-45e3-9fe9-7aa867a0b82e
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1633595
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Creates autostart registry keys with suspicious names
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1633595 Sample: L06LGiuYrR.exe Startdate: 10/03/2025 Architecture: WINDOWS Score: 100 54 Suricata IDS alerts for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 8 other signatures 2->60 8 L06LGiuYrR.exe 3 2->8         started        12 Adobe.exe 2 2->12         started        14 Adobe.exe 2 2->14         started        16 Adobe.exe 2 2->16         started        process3 file4 44 C:\Users\user\AppData\...\L06LGiuYrR.exe.log, ASCII 8->44 dropped 64 Contains functionality to bypass UAC (CMSTPLUA) 8->64 66 Contains functionalty to change the wallpaper 8->66 68 Contains functionality to steal Chrome passwords or cookies 8->68 72 2 other signatures 8->72 18 L06LGiuYrR.exe 2 4 8->18         started        22 L06LGiuYrR.exe 8->22         started        70 Injects a PE file into a foreign processes 12->70 24 Adobe.exe 12->24         started        26 Adobe.exe 12->26         started        28 Adobe.exe 14->28         started        30 Adobe.exe 16->30         started        signatures5 process6 file7 40 C:\ProgramData\Adobe-Reader\Adobe.exe, PE32 18->40 dropped 42 C:\ProgramData\...\Adobe.exe:Zone.Identifier, ASCII 18->42 dropped 62 Creates autostart registry keys with suspicious names 18->62 32 Adobe.exe 3 18->32         started        signatures8 process9 signatures10 48 Antivirus detection for dropped file 32->48 50 Multi AV Scanner detection for dropped file 32->50 52 Injects a PE file into a foreign processes 32->52 35 Adobe.exe 4 1 32->35         started        38 Adobe.exe 32->38         started        process11 dnsIp12 46 104.250.180.178, 49717, 49725, 49726 M247GB United States 35->46
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ff3d90e2170a8b7046ea85bebee200591bb79717ec62c062ab14f75d01d438f5
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ff3d90e2170a8b7046ea85bebee200591bb79717ec62c062ab14f75d01d438f5/
Threat name:
ByteCode-MSIL.Trojan.Jalapeno
Create hunting rule
Status:
Malicious
First seen:
2025-02-25 07:22:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=746zbyqxbkfxarxkqw7l5yqalen3pfyx5rrmayvlct3v2aouhd2q._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
remcos
Create hunting rule
Similar samples:
2e4a8adeb10758473cd1d42e9869ee03840016814c6cfc0465303b19afaca46f
RemcosRAT
641a4f7459e861fe20b55f1e34a990412780a392985236b1ace3c6508ec95fd8
RemcosRAT
78a5958d02189160abf7e588dada6295e444b6522a45b8f556878ff56058edbc
RemcosRAT
8e7e6ed8638ee1a261b2ce3badcaae3d9a00573d2c3612883e10787c58eec5e3
RemcosRAT
b3a055e49fdda5ce402a724b6fbfc34fdf0fbc2111a6a5072a2bb27fe5211f0e
RemcosRAT
db65ec3e55dbc789c0a2edeefe3ff5fb294394abb884b0ccfac5aabb47808c7f
RemcosRAT
df17e85ef740613447edba9ebf5688150ac597bb3c3e007e46d94a05f5583bba
RemcosRAT
e8fa06add1e83397ada8e5d1816a8e9ae2b3f6e86ec3d4a1264436cee4a26e25
RemcosRAT
error
RemcosRAT
f96d8c627027bb1530f7e499e6e86c8f6b1724a2edab6e4faeaf10fea74be0ae
RemcosRAT
+ 520 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery persistence rat
Link:
https://tria.ge/reports/250310-n3471stwd1/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
104.250.180.178:7902
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7018a108-6fe6-48b1-be3a-0cb1160a22e1
Unpacked files
SH256 hash:
ff3d90e2170a8b7046ea85bebee200591bb79717ec62c062ab14f75d01d438f5
MD5 hash:
6e7529b4735063d1d4fc14fb4c69da6c
SHA1 hash:
94e711bd7b1ecbbfa3d0f06e660bc0f32936f45d
Link:
https://www.unpac.me/results/afb40547-f5bf-4d54-b527-1c8543d43a05/
SH256 hash:
e80a463e16b14b43e4112cb8f0cb0cf44ff245be592202042373a02b9ea4deb9
MD5 hash:
bbea1aafd0d7058f6f46c8ceff355f96
SHA1 hash:
14ca07073c0a943129823d6532358a55761a203f
Link:
https://www.unpac.me/results/afb40547-f5bf-4d54-b527-1c8543d43a05/
SH256 hash:
62a4c0729d39a3b1940cad632cfae6748ab088a25833c5fbab63afdbf3274456
MD5 hash:
8020b878071c31c5eb917d5b55eae7ad
SHA1 hash:
7eba9f99769e8119257d627acbf36c1d27066bb3
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/afb40547-f5bf-4d54-b527-1c8543d43a05/
SH256 hash:
f6e208dbd8631cac4c61bbd86470a678fc1c55361c52b5bb74dff9846935786c
MD5 hash:
20817931b9818e57f472b6fe15aea26e
SHA1 hash:
96c91709547f37f370b5e56ea3b8d9b06fa9e7ac
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_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/afb40547-f5bf-4d54-b527-1c8543d43a05/
Parent samples :
2055e5a5204986da592e72c27400034b4cc1c940acacd8c2a093861f3cde5e5a
78a5958d02189160abf7e588dada6295e444b6522a45b8f556878ff56058edbc
4816f58220b5e07a83eb4a918fe200eb7317472efee4f9f1b27ab3de2a01ff9e
f96d8c627027bb1530f7e499e6e86c8f6b1724a2edab6e4faeaf10fea74be0ae
65b7cf7ab546e94fad0cbce12c9756dcb2af4aa833943beffdfcc448e00e4449
f4048c147a758eb5413a885a12c69fa5cd1b61668ae668942bcb7892e7f62584
e8fa06add1e83397ada8e5d1816a8e9ae2b3f6e86ec3d4a1264436cee4a26e25
ff3d90e2170a8b7046ea85bebee200591bb79717ec62c062ab14f75d01d438f5
cf6365bfb6ff4604e981baa9fab6a5f57c141e58a50401d8c273ab02844b7dbd
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ff3d90e2170a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ff3d90e2170a8b7046ea85bebee200591bb79717ec62c062ab14f75d01d438f5

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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)

File information

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

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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