MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f3e5f6ad074cfe5d07c1d8854fad3ad3244d7a049ad1e44f1e1109eb8d3ff12. 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 1 YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3f3e5f6ad074cfe5d07c1d8854fad3ad3244d7a049ad1e44f1e1109eb8d3ff12
SHA3-384 hash: ff011b8042aec52e46e607e9740c05f93c4a4d272827d8cf9da3e79ca166ffad53049161318781bf71cd5413888ce283
SHA1 hash: 4e55e3ffeefca6bf918645cb0d1766e8ef81c2a3
MD5 hash: f9eccf604a8ae2dc25e5ca83a5f0b4c8
humanhash: robert-utah-salami-blue
File name:F9ECCF604A8AE2DC25E5CA83A5F0B4C8.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'033'216 bytes
First seen:2024-08-31 01:35:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:5Xv0ftmuXnZoyVbZ1JBWzIeeYYUBQwBxdBpwIeRKC2:5/8mnsb/Wz9PYdKZY2
Threatray 4'418 similar samples on MalwareBazaar
TLSH T12625E02022A694C7E9A58EB22C21D2743EE61D58DD01C24ED9D87DFB7A73B84E5401FF
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
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
File icon (PE):PE icon
dhash icon 10808a8c8c8a8010 (77 x Formbook, 51 x AgentTesla, 44 x RemcosRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
103.161.133.245:9898

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
103.161.133.245:9898 https://threatfox.abuse.ch/ioc/1317612/

Intelligence

File Origin
# of uploads :
1
# of downloads :
550
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
F9ECCF604A8AE2DC25E5CA83A5F0B4C8.exe
Verdict:
Malicious activity
Analysis date:
2024-08-31 01:35:24 UTC
Tags:
netreactor rat remcos evasion stealer mpress
Link:
https://app.any.run/tasks/c05aa78c-aa7d-4736-bbfb-22e0be3c32eb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Pwsx-10034960-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d273856011bbdba4e0d79f
Tags:
Discovery Infostealer Network Static Stealth Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Stealing user critical data
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/3f3e5f6ad074cfe5d07c1d8854fad3ad3244d7a049ad1e44f1e1109eb8d3ff12
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/beb76f75-8d6e-490d-9142-417479b1b244
Result
Threat name:
Remcos, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1502114
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
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
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
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)
Yara detected AntiVM3
Yara detected PureLog Stealer
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: 1502114 Sample: 0A79IbxUMV.exe Startdate: 31/08/2024 Architecture: WINDOWS Score: 100 28 geoplugin.net 2->28 40 Suricata IDS alerts for network traffic 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 13 other signatures 2->46 9 0A79IbxUMV.exe 3 2->9         started        signatures3 process4 file5 26 C:\Users\user\AppData\...\0A79IbxUMV.exe.log, ASCII 9->26 dropped 48 Contains functionality to bypass UAC (CMSTPLUA) 9->48 50 Tries to steal Mail credentials (via file registry) 9->50 52 Contains functionalty to change the wallpaper 9->52 54 6 other signatures 9->54 13 0A79IbxUMV.exe 3 13 9->13         started        signatures6 process7 dnsIp8 30 103.161.133.245, 49732, 49734, 9898 AARNET-AS-APAustralianAcademicandResearchNetworkAARNe unknown 13->30 32 geoplugin.net 178.237.33.50, 49735, 80 ATOM86-ASATOM86NL Netherlands 13->32 56 Detected Remcos RAT 13->56 58 Maps a DLL or memory area into another process 13->58 17 0A79IbxUMV.exe 1 13->17         started        20 0A79IbxUMV.exe 2 13->20         started        22 0A79IbxUMV.exe 13->22         started        signatures9 process10 signatures11 34 Tries to steal Instant Messenger accounts or passwords 17->34 36 Tries to steal Mail credentials (via file / registry access) 17->36 38 Tries to harvest and steal browser information (history, passwords, etc) 20->38 24 WerFault.exe 21 18 22->24         started        process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3f3e5f6ad074cfe5d07c1d8854fad3ad3244d7a049ad1e44f1e1109eb8d3ff12
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3f3e5f6ad074cfe5d07c1d8854fad3ad3244d7a049ad1e44f1e1109eb8d3ff12/
Threat name:
ByteCode-MSIL.Trojan.Jalapeno
Create hunting rule
Status:
Malicious
First seen:
2024-08-24 22:03:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=h47f62wqoth6lud4dwefj6wtvuzejv5ajgwr4rhr4eij5ogt74ja._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
65d633afee85962e40015d907d3592c3be64ba11585e3816717b0870849744d9
RemcosRAT
7aedd5e4277e592d13cb250945dac96a7b4877de807904f7caa9d8ffb14963a5
RemcosRAT
8254d25a2c54050f8621c6ff69869e94b4cba878b5b246c00ac73377b4ae65b1
RemcosRAT
d3a32f2258bd5eff952576259dd78a6e73f56d52d07783d4fbc3ffd966549950
RemcosRAT
e69cbec2c6a28dca27558736ea04f1b998ed42c2e70cf2934b12330df04bf3be
RemcosRAT
+ 4'408 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection credential_access discovery rat spyware stealer
Link:
https://tria.ge/reports/240831-bz81ksyaph/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Reads user/profile data of web browsers
Credentials from Password Stores: Credentials from Web Browsers
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Malware Config
C2 Extraction:
103.161.133.245:9898
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b7fe9209-0dc7-42cd-b4a1-bd7e7264795f
Unpacked files
SH256 hash:
2c63ef7de725cdb262d44838f30d2897909842b0610ea16fbaed47d5add6f599
MD5 hash:
d95aa52be10488d7ff365334a968253c
SHA1 hash:
fbacd03f445f87b1ef22a463dbe9b0129ebd4037
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
Link:
https://www.unpac.me/results/04826c21-5478-4d94-a1bf-5196bee0bb39/
Parent samples :
3f3e5f6ad074cfe5d07c1d8854fad3ad3244d7a049ad1e44f1e1109eb8d3ff12
bf959c8b9bbb333f1ba32b7b6100d6c799cf6d21411914ac288bf9971b3ada13
6046803acf690fbb6e646be03c4a59201fe1a96b8791dd4bf8d2bc4c7eeb7d32
SH256 hash:
41ca676a613453a6ab78a291617074038bb174a6d2586cba1bb9dbbc02247376
MD5 hash:
2f930a78f21b123787bc183fb113cf82
SHA1 hash:
e720782a5f0c3f4d6fadda2824a03e2d6c7e0e38
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/04826c21-5478-4d94-a1bf-5196bee0bb39/
Parent samples :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 hash:
6acc5d6df27e7a7c84a02305b36188873a3fc0c9cefcbecb82af0c6a1609047c
MD5 hash:
20d04d15be1f8344803d537c208844a4
SHA1 hash:
965b5b2bad3428cb11b1988247b6c593d64e6a3e
Link:
https://www.unpac.me/results/04826c21-5478-4d94-a1bf-5196bee0bb39/
SH256 hash:
4d6d8973c52b3a199b88c3c636c36ecaf656a3a98eb585775cc911d52d005949
MD5 hash:
a7c246cdab29ed8bb61d4f22088bdd03
SHA1 hash:
8b2002eee97b7761f383ca901b2165dd82dad497
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/04826c21-5478-4d94-a1bf-5196bee0bb39/
SH256 hash:
d8247e67b46e7bc5e1325068a5e3cae80542f9417ce6b85ee49012dcbf0d22f8
MD5 hash:
f50a5c41865b2297a73a0dd94ebcfcae
SHA1 hash:
00af2a07bd849cbd728520d9bef769428c64acc5
Link:
https://www.unpac.me/results/04826c21-5478-4d94-a1bf-5196bee0bb39/
SH256 hash:
3f3e5f6ad074cfe5d07c1d8854fad3ad3244d7a049ad1e44f1e1109eb8d3ff12
MD5 hash:
f9eccf604a8ae2dc25e5ca83a5f0b4c8
SHA1 hash:
4e55e3ffeefca6bf918645cb0d1766e8ef81c2a3
Link:
https://www.unpac.me/results/04826c21-5478-4d94-a1bf-5196bee0bb39/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3f3e5f6ad074/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/3f3e5f6ad074cfe5d07c1d8854fad3ad3244d7a049ad1e44f1e1109eb8d3ff12

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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

Comments