MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7f402a9bd7378f2c202d5b1f4105e83981b2733aa3398609fdbff5fc4cc7f0a. 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: 16


Intelligence 16 IOCs YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f7f402a9bd7378f2c202d5b1f4105e83981b2733aa3398609fdbff5fc4cc7f0a
SHA3-384 hash: 87c906425e4cb6d4cff993626065733ef749b50568a0c238c402efcdd4ee47154d58968b972da1235e461445951c3c6f
SHA1 hash: 1ee06543b7e6b1e79109732a1b82f77edbac55a6
MD5 hash: 8708bdc88737942f3afa25f64cf4ce25
humanhash: vermont-nitrogen-winner-network
File name:f7f402a9bd7378f2c202d5b1f4105e83981b2733aa3398609fdbff5fc4cc7f0a
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'351'680 bytes
First seen:2025-01-10 14:48:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:IK8U/f+oZLYO62iOyVZp5+0sej4z4AyJMVTpTuSA2nZCJYmsLKjDnK+UUla8U/2O:IoNZLpFGc0Yz4P6VUB2aYmVLB7WH3
TLSH T10D55021476EAD767E6BBAFBDE8922002CB7B7806E553CF990CC450C944627458913F3B
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 :
209
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
f7f402a9bd7378f2c202d5b1f4105e83981b2733aa3398609fdbff5fc4cc7f0a
Verdict:
Malicious activity
Analysis date:
2025-01-10 21:56:12 UTC
Tags:
susp-powershell remcos rat
Link:
https://app.any.run/tasks/61af20a7-5c17-434a-a86c-a379125c4606

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=678133772c8240e189bb956b
Tags:
obfuscate remcos xtreme shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
DNS request
Creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed packed packer_detected remcos
Link:
https://www.filescan.io/uploads/6781336c1b01484d158e3a07/reports/bafd33cc-363e-40b4-bc00-3cf26ef3ef2f/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/f7f402a9bd7378f2c202d5b1f4105e83981b2733aa3398609fdbff5fc4cc7f0a
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b3bece32-5329-4631-bfc8-cb6b9862df3b
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1588001
Behaviour
Behavior Graph:
n/a
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f7f402a9bd7378f2c202d5b1f4105e83981b2733aa3398609fdbff5fc4cc7f0a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f7f402a9bd7378f2c202d5b1f4105e83981b2733aa3398609fdbff5fc4cc7f0a/
Threat name:
ByteCode-MSIL.Trojan.Jalapeno
Create hunting rule
Status:
Malicious
First seen:
2025-01-10 14:49:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=672afkn5on4pfqqc2wy7iec6qombwjztvizzqye73p7v7rgmp4fa._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:host discovery rat
Link:
https://tria.ge/reports/250110-r64bnszmak/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Remcos
Remcos family
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
fnbabsa.net:3366
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/40bf98e3-aaef-4123-bff0-77d4e30e4225
Unpacked files
SH256 hash:
5f8ff7a7c24c72f42f61c65f09d549bd4b891f22acba42370d6793cb5d090824
MD5 hash:
08ceb50701a46faea7f08d899f495d84
SHA1 hash:
f0b39a7a40a11b03af50f5a13d43f70896c2e179
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
Link:
https://www.unpac.me/results/af971791-6611-4ea5-a201-fd221a7184e4/
Parent samples :
8b3e308bf8008d70c9993b67aed96d3c0b0e472efd9e8335ec8e6e4f1b7b6e69
d73b4f56fc3cfdc38a9edc71744609285203dcc8548ee8c0bcc7bc19c0e4c0b5
f7f402a9bd7378f2c202d5b1f4105e83981b2733aa3398609fdbff5fc4cc7f0a
SH256 hash:
8b9ce396acc949e2ea5a50533c65cbe0d2d46e85fc95d6c75d17bdfbe6b9eadd
MD5 hash:
5a1ca714f8b870341c4f8ce712d8ef54
SHA1 hash:
a29bb23a9620e177f3089c7fd0dad49231730074
Link:
https://www.unpac.me/results/af971791-6611-4ea5-a201-fd221a7184e4/
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/af971791-6611-4ea5-a201-fd221a7184e4/
SH256 hash:
78f73e1734daa918b253517c75971fbb8df773a3d77d02a752e9a0ad1711a677
MD5 hash:
f9d2985aa1c41cca281321fffb5ed424
SHA1 hash:
3a7a58d2dcae2762882357ae34d372744b1dbb9d
Link:
https://www.unpac.me/results/af971791-6611-4ea5-a201-fd221a7184e4/
SH256 hash:
8c2afe00cf03bd6781f6ee04502a9192f20a5775e5aac984be8f246d54eac3ff
MD5 hash:
8e7428bc7e307f5041938516e9733881
SHA1 hash:
d624ac69b52a917b4c8edf6d78234ec50c99f06e
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/af971791-6611-4ea5-a201-fd221a7184e4/
SH256 hash:
f7f402a9bd7378f2c202d5b1f4105e83981b2733aa3398609fdbff5fc4cc7f0a
MD5 hash:
8708bdc88737942f3afa25f64cf4ce25
SHA1 hash:
1ee06543b7e6b1e79109732a1b82f77edbac55a6
Link:
https://www.unpac.me/results/af971791-6611-4ea5-a201-fd221a7184e4/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f7f402a9bd73/report/overview.html
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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
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:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
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.

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