MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2055e5a5204986da592e72c27400034b4cc1c940acacd8c2a093861f3cde5e5a. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2055e5a5204986da592e72c27400034b4cc1c940acacd8c2a093861f3cde5e5a
SHA3-384 hash: 3971b80277c4fe79b53c00e44dfb971a0a84495b816160c497cc916f52fba44884d9e23a98bc5409d349229c9326a61c
SHA1 hash: b437b16ef9f49ae5e0c07e236be59e414e17ff1c
MD5 hash: fa242e90610b51f016f30d4074902da1
humanhash: ack-xray-california-four
File name:瑜翔 02.25 TXG TO HOCHIMINH(CAT LAI) CFS-7844 .scr
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'141'760 bytes
First seen:2025-02-25 05:48:26 UTC
Last seen:2025-02-25 05:48:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:hny8exabUDPMwnQAgUW6joPe/IeQ1ZKVtC5tuTbvtH:hy8exabULMYBsPe/zQfKVugPF
TLSH T13535F12C9A8CD822CD7E53FC0A60E1B4233C5DE6D546DB4B2ADDACEB7D527119918283
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 0068694969797400 (7 x MassLogger, 5 x VIPKeylogger, 4 x Formbook)
Reporter threatcat_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
58
Origin country :
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67bd5a18a0fd713c335caebc
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/2055e5a5204986da592e72c27400034b4cc1c940acacd8c2a093861f3cde5e5a
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/d1cefd14-1f9b-4a21-abc3-dcff63025a00
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/1623308
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
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)
Tries to steal Mail credentials (via file registry)
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: 1623308 Sample: .scr.exe Startdate: 25/02/2025 Architecture: WINDOWS Score: 100 54 geoplugin.net 2->54 64 Suricata IDS alerts for network traffic 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 13 other signatures 2->70 10    .scr.exe 3 2->10         started        14 Adobe.exe 2 2->14         started        16 Adobe.exe 2->16         started        18 Adobe.exe 2->18         started        signatures3 process4 file5 52 C:\Users\user\AppData\Local\...\.scr.exe.log, ASCII 10->52 dropped 86 Injects a PE file into a foreign processes 10->86 20    .scr.exe 2 4 10->20         started        24 Adobe.exe 14->24         started        26 Adobe.exe 16->26         started        28 Adobe.exe 18->28         started        30 Adobe.exe 18->30         started        signatures6 process7 file8 48 C:\ProgramData\Adobe-Reader\Adobe.exe, PE32 20->48 dropped 50 C:\ProgramData\...\Adobe.exe:Zone.Identifier, ASCII 20->50 dropped 76 Creates autostart registry keys with suspicious names 20->76 32 Adobe.exe 3 20->32         started        signatures9 process10 signatures11 60 Multi AV Scanner detection for dropped file 32->60 62 Injects a PE file into a foreign processes 32->62 35 Adobe.exe 4 14 32->35         started        39 Adobe.exe 32->39         started        process12 dnsIp13 56 104.250.180.178, 49734, 49737, 7902 M247GB United States 35->56 58 geoplugin.net 178.237.33.50, 49736, 80 ATOM86-ASATOM86NL Netherlands 35->58 72 Writes to foreign memory regions 35->72 74 Maps a DLL or memory area into another process 35->74 41 recover.exe 14 35->41         started        44 recover.exe 1 35->44         started        46 recover.exe 1 35->46         started        signatures14 process15 signatures16 78 Tries to steal Mail credentials (via file registry) 41->78 80 Tries to harvest and steal browser information (history, passwords, etc) 41->80 82 Tries to steal Instant Messenger accounts or passwords 44->82 84 Tries to steal Mail credentials (via file / registry access) 44->84
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2055e5a5204986da592e72c27400034b4cc1c940acacd8c2a093861f3cde5e5a
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2055e5a5204986da592e72c27400034b4cc1c940acacd8c2a093861f3cde5e5a/
Threat name:
ByteCode-MSIL.Infostealer.LokiBot
Create hunting rule
Status:
Malicious
First seen:
2025-02-25 03:54:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ebk6ljjajgdnuwjoolbhiaadjngmdskavswnrqvasodb6pg6lzna._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Link:
https://tria.ge/reports/250225-gh31wszpy5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f6ba4f30-0cd2-4a2a-bef4-a3e25c4d9724
Unpacked files
SH256 hash:
2055e5a5204986da592e72c27400034b4cc1c940acacd8c2a093861f3cde5e5a
MD5 hash:
fa242e90610b51f016f30d4074902da1
SHA1 hash:
b437b16ef9f49ae5e0c07e236be59e414e17ff1c
Link:
https://www.unpac.me/results/53b41678-607d-43db-a0fe-60f2156b26b7/
SH256 hash:
e80a463e16b14b43e4112cb8f0cb0cf44ff245be592202042373a02b9ea4deb9
MD5 hash:
bbea1aafd0d7058f6f46c8ceff355f96
SHA1 hash:
14ca07073c0a943129823d6532358a55761a203f
Link:
https://www.unpac.me/results/53b41678-607d-43db-a0fe-60f2156b26b7/
SH256 hash:
d33ff1bb6927b49575d22d3d42dcdf26c0825845da4b537657d90e6dd697ae15
MD5 hash:
bf581212bfff55d3ff7f4703832877c6
SHA1 hash:
47a3b69ce9b6a6c114ec492582d462ac238adf7b
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/53b41678-607d-43db-a0fe-60f2156b26b7/
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/53b41678-607d-43db-a0fe-60f2156b26b7/
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/2055e5a5204986da592e72c27400034b4cc1c940acacd8c2a093861f3cde5e5a

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: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.

Malspam

RemcosRAT

Executable exe 2055e5a5204986da592e72c27400034b4cc1c940acacd8c2a093861f3cde5e5a

(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