MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f96d8c627027bb1530f7e499e6e86c8f6b1724a2edab6e4faeaf10fea74be0ae. 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: 19


Intelligence 19 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f96d8c627027bb1530f7e499e6e86c8f6b1724a2edab6e4faeaf10fea74be0ae
SHA3-384 hash: b508c4c1168f8f5b2de7f7438653cee7e286da8f4e4ab5145fa654dc0040a7e924b3f57e47bd00977e2907bec9dc71bc
SHA1 hash: 3432d420a0243aaff77daa625bab2fd66ab78ad4
MD5 hash: fcb87efab91c7166965fb0e98fcb19d1
humanhash: march-grey-nitrogen-fourteen
File name:K627 - Bill of Lading (Draft)..PDF.scr
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'041'920 bytes
First seen:2025-03-04 05:15:41 UTC
Last seen:2025-03-04 06:15:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:cp5F7AK5F7o2R8Ot90uU14nmsBbBlUu0uRF5F7:0vEKvcJuUCnm2bBXRFv
Threatray 491 similar samples on MalwareBazaar
TLSH T1982512AC9249D813CE962A312974F679133C0DEC7A09C7274FDEEDD7BD7AA610D08291
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
dhash icon 0023231b6b3b3b20 (4 x SnakeKeylogger, 2 x Formbook, 1 x Loki)
Reporter threatcat_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
444
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
K627 - Bill of Lading (Draft)..PDF.scr
Verdict:
Malicious activity
Analysis date:
2025-03-04 05:17:26 UTC
Tags:
rat remcos remote stealer
Link:
https://app.any.run/tasks/dde01573-58bd-412d-a5a6-5866ec61406d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.4738.2914.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67c68d24c668b65489beddff
Tags:
spawn shell sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Creating a process from a recently created file
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Launching a process
Reading critical registry keys
Creating a file in the %temp% directory
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
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67c68c9e4a3011c802c6d170/reports/cee1fbbb-8051-4a60-b671-11c67670eb9d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f96d8c627027bb1530f7e499e6e86c8f6b1724a2edab6e4faeaf10fea74be0ae
Result
Verdict:
SUSPICIOUS
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/02df9bee-31f7-43e6-9bc2-a5713938837b
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1628810
Signature
.NET source code contains potential unpacker
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
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1628810 Sample: K627 - Bill of Lading (Draf... Startdate: 04/03/2025 Architecture: WINDOWS Score: 100 52 geoplugin.net 2->52 62 Suricata IDS alerts for network traffic 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 14 other signatures 2->68 10 K627 - Bill of Lading (Draft)..PDF.scr.exe 3 2->10         started        14 Adobe.exe 2 2->14         started        16 Adobe.exe 2 2->16         started        18 Adobe.exe 2->18         started        signatures3 process4 file5 50 K627 - Bill of Lad...t)..PDF.scr.exe.log, ASCII 10->50 dropped 82 Injects a PE file into a foreign processes 10->82 20 K627 - Bill of Lading (Draft)..PDF.scr.exe 2 4 10->20         started        24 Adobe.exe 14->24         started        26 Adobe.exe 14->26         started        28 Adobe.exe 16->28         started        30 Adobe.exe 18->30         started        signatures6 process7 file8 46 C:\ProgramData\Adobe-Reader\Adobe.exe, PE32 20->46 dropped 48 C:\ProgramData\...\Adobe.exe:Zone.Identifier, ASCII 20->48 dropped 74 Creates autostart registry keys with suspicious names 20->74 32 Adobe.exe 3 20->32         started        signatures9 process10 signatures11 58 Multi AV Scanner detection for dropped file 32->58 60 Injects a PE file into a foreign processes 32->60 35 Adobe.exe 4 14 32->35         started        process12 dnsIp13 54 104.250.180.178, 49736, 49740, 49741 M247GB United States 35->54 56 geoplugin.net 178.237.33.50, 49742, 80 ATOM86-ASATOM86NL Netherlands 35->56 70 Writes to foreign memory regions 35->70 72 Maps a DLL or memory area into another process 35->72 39 recover.exe 35->39         started        42 recover.exe 35->42         started        44 recover.exe 35->44         started        signatures14 process15 signatures16 76 Tries to steal Instant Messenger accounts or passwords 39->76 78 Tries to steal Mail credentials (via file / registry access) 39->78 80 Tries to harvest and steal browser information (history, passwords, etc) 42->80
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f96d8c627027bb1530f7e499e6e86c8f6b1724a2edab6e4faeaf10fea74be0ae
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f96d8c627027bb1530f7e499e6e86c8f6b1724a2edab6e4faeaf10fea74be0ae/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-03-04 04:50:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7fwyyytqe65rkmhx4sm6n2dmr5vrojfc5wvw4t5ov4ip5j2l4cxa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
loader_037
Create hunting rule
Similar samples:
1d6a540ec5c26039979eb96d9c53b949694d5e95b7bedd7f941f49336c06534e
RemcosRAT
20de3289d8ca33b6b49da69ca2e7943ee91aad906d21cc519879001ded15deed
RemcosRAT
3d00bc1dd8a3a44661a7a4ed462d401b872d06d7111713d795ffc6327c82ad8d
RemcosRAT
7f7860172d4e076099724e55875a797b9206365a4e6f52cf93f57371fd7fcc82
RemcosRAT
ad4e305243eea4eb48308ce4bccd6b999ed93f9810a82236987187fda9e12de1
RemcosRAT
ae7232b1023cd115b8b67ff255be4a9c333f944ce1aaeea7a6dfd6a2e0772366
RemcosRAT
error
RemcosRAT
+ 481 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/250304-fx9asa1vg1/
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/01dd7106-5de8-4485-abca-320c4a011d9b
Unpacked files
SH256 hash:
f96d8c627027bb1530f7e499e6e86c8f6b1724a2edab6e4faeaf10fea74be0ae
MD5 hash:
fcb87efab91c7166965fb0e98fcb19d1
SHA1 hash:
3432d420a0243aaff77daa625bab2fd66ab78ad4
Link:
https://www.unpac.me/results/496d6719-b0db-4db5-85f1-eafd2774436a/
SH256 hash:
b244e527c4e590ba26e240a02413665c7579950ee23f0e31a9b19ca8fe84a543
MD5 hash:
d2c721ea6d8dcdf216804aca42b3c82f
SHA1 hash:
59014828bbd74fae4fd6ed89d35db45d7d096803
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/496d6719-b0db-4db5-85f1-eafd2774436a/
SH256 hash:
b0ec665e61bb75dd5d4e5dc1b1194038e7460118238af41502f50c4f961cec80
MD5 hash:
8f97c941453591a3bb10b22425ab9dbc
SHA1 hash:
846820c3c30b47d4438e8f5ce0249126a4a892aa
Link:
https://www.unpac.me/results/496d6719-b0db-4db5-85f1-eafd2774436a/
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/496d6719-b0db-4db5-85f1-eafd2774436a/
Parent samples :
2055e5a5204986da592e72c27400034b4cc1c940acacd8c2a093861f3cde5e5a
78a5958d02189160abf7e588dada6295e444b6522a45b8f556878ff56058edbc
4816f58220b5e07a83eb4a918fe200eb7317472efee4f9f1b27ab3de2a01ff9e
f96d8c627027bb1530f7e499e6e86c8f6b1724a2edab6e4faeaf10fea74be0ae
65b7cf7ab546e94fad0cbce12c9756dcb2af4aa833943beffdfcc448e00e4449
f4048c147a758eb5413a885a12c69fa5cd1b61668ae668942bcb7892e7f62584
e8fa06add1e83397ada8e5d1816a8e9ae2b3f6e86ec3d4a1264436cee4a26e25
ff3d90e2170a8b7046ea85bebee200591bb79717ec62c062ab14f75d01d438f5
cf6365bfb6ff4604e981baa9fab6a5f57c141e58a50401d8c273ab02844b7dbd
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/f96d8c627027bb1530f7e499e6e86c8f6b1724a2edab6e4faeaf10fea74be0ae

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Remcos_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Remcos Payload
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)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Malspam

RemcosRAT

Executable exe f96d8c627027bb1530f7e499e6e86c8f6b1724a2edab6e4faeaf10fea74be0ae

(this sample)

  
Delivery method
Distributed via e-mail attachment

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 (GUARD_CF)high

Comments