MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 844d71676420926ac69a998eecb47e4873ba8ed146ae2385770a530a2fffcf36. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 844d71676420926ac69a998eecb47e4873ba8ed146ae2385770a530a2fffcf36
SHA3-384 hash: 96637ccebe2edd7d559cd02291f89c7ff5599dff60112ab383b1eaba770721dc05aa0e70ccd4d3d9abfa081a7e4ca32c
SHA1 hash: 5f8ed12bd35068f7d05bfc7b7354bdf757146887
MD5 hash: 3607613b80d07e0f26d1d5c711b7ad2f
humanhash: india-charlie-table-august
File name:RFQ 2023031610480524PL.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:657'480 bytes
First seen:2023-03-16 10:03:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:BlnKeTSjsh2yp/Czk/37MUL/G9vlSgUkdmG7GwldEijMKBB:BMeMsh2yp/7/3wNvoGPlukhn
Threatray 1'843 similar samples on MalwareBazaar
TLSH T186E4019D6EA420CFCC05CDF1F5F50D406273D36DFA36C3B6D48697A8B98928A6E0C169
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e4dcd8c4d4d4c4d4 (95 x AgentTesla, 51 x Formbook, 12 x RemcosRAT)
Reporter Anonymous
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
228
Origin country :
PL PL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
RFQ 2023031610480524PL.exe
Verdict:
Malicious activity
Analysis date:
2023-03-16 10:04:45 UTC
Tags:
stealer remcos
Link:
https://app.any.run/tasks/a6f6e213-b7c8-4759-af5d-8a699894aa08

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/374735/
Detection(s):
SecuriteInfo.com.Malware.PDB-71.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Creating a window
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Forced shutdown of a system process
Stealing user critical data
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/6412e99227c971bfffb89473/reports/395172af-9eb9-45fd-bb4f-d790cb15e05d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/844d71676420926ac69a998eecb47e4873ba8ed146ae2385770a530a2fffcf36
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c4da069f-a3a1-423c-ba95-fc45da37f3cc
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1194820
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
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 Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 827721 Sample: RFQ_2023031610480524PL.exe Startdate: 16/03/2023 Architecture: WINDOWS Score: 100 44 Multi AV Scanner detection for domain / URL 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 9 other signatures 2->50 7 RFQ_2023031610480524PL.exe 5 2->7         started        process3 file4 28 C:\Users\user\AppData\...\RZTHXHelper.exe, PE32 7->28 dropped 30 C:\Users\...\RFQ_2023031610480524PL.exe.log, ASCII 7->30 dropped 52 Writes to foreign memory regions 7->52 54 Injects a PE file into a foreign processes 7->54 11 aspnet_compiler.exe 2 14 7->11         started        15 powershell.exe 20 7->15         started        signatures5 process6 dnsIp7 32 obologs.work.gd 185.156.175.35, 34346, 49697, 49698 M247GB Romania 11->32 34 geoplugin.net 178.237.33.50, 49699, 80 ATOM86-ASATOM86NL Netherlands 11->34 36 192.168.2.1 unknown unknown 11->36 56 Maps a DLL or memory area into another process 11->56 17 aspnet_compiler.exe 1 11->17         started        20 aspnet_compiler.exe 1 11->20         started        22 aspnet_compiler.exe 11->22         started        26 26 other processes 11->26 24 conhost.exe 15->24         started        signatures8 process9 signatures10 38 Tries to steal Instant Messenger accounts or passwords 17->38 40 Tries to steal Mail credentials (via file / registry access) 17->40 42 Tries to harvest and steal browser information (history, passwords, etc) 26->42
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/844d71676420926ac69a998eecb47e4873ba8ed146ae2385770a530a2fffcf36/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-03-16 07:47:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
15 of 37 (40.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qrgxcz3eecjgvru2tghoznd6jbz3vdwri2xchblxbjjqul77z43a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
03541b2cf3bf022eda584b9ead6b6edeb7a47e8ccaa99b2415ee56694c9868cb
RemcosRAT
153f00cfcabb3fc9bf6ca01da20de1702cae1957d4b0fb998db99ad502896f76
RemcosRAT
4bfea5eeb97d0ca4f3f2edd8114048e9a14f43f89187c55f29f2142cdef8da9a
RemcosRAT
71418a78c949e7f318a148ada4fd4a6701020a00707c426e3a2bf021966d03ce
RemcosRAT
78b009999d967e2d3eeb4a10ce91c84048dc566d2a74d8e223a6a5b15db5839b
RemcosRAT
79544f55395a00102be1fadae62f95c595a8c285e53ba278f49e1a55b20fa063
RemcosRAT
96c3eda0f05d27702d5af7f5e0c626da24c93013804fd3ebc35241164eafdbdf
RemcosRAT
aa8f0cb77774a1f43eefe9952ce8750a2398b6f85abcd11c974ba8fd0c74b30a
RemcosRAT
c8092ae8e5c2fcb2f4ed5be1dac0723ef951a8b445c45aa68376d093fa3a5623
RemcosRAT
e876ad440761c60b772b110b7e6f08c4e156ebdb17d78c55aa4594edc65ff78a
RemcosRAT
+ 1'833 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection persistence rat
Link:
https://tria.ge/reports/230316-l3xf3aac78/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
obologs.work.gd:34346
Unpacked files
SH256 hash:
6b78a3e99cdbf3456a743ea379d3bff2d526bab1143d24ea4f5327df65cd4f4c
MD5 hash:
604b6d6440d02b3abe41ec6d537f3ed8
SHA1 hash:
791e7f925ed366bb7bec11d004df4a9861b6e889
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/89bda396-06d8-4a99-8dc6-807e3c3388bf/
Parent samples :
79544f55395a00102be1fadae62f95c595a8c285e53ba278f49e1a55b20fa063
a9965688e4d34b92334193a59ab471709521d24ea65f1f9e97caaab3470e1e25
153f00cfcabb3fc9bf6ca01da20de1702cae1957d4b0fb998db99ad502896f76
844d71676420926ac69a998eecb47e4873ba8ed146ae2385770a530a2fffcf36
881b9954a4f1debc7e45fecb6072f05daa542c368af208156fd624d5b5fabc95
d1698bf562afeb9d40e79a3ed0acc152abb2dfed815e0f6d8a91346916815a7f
SH256 hash:
bfa12a2456d40d6c32a1f4e35bd43c81f6f67466234faed8fec19397d0e6d808
MD5 hash:
7a7927bac28be846b2fd2a5d10ba0676
SHA1 hash:
67a7b8616fc8e7aa7bb7a6e2521548e67a7caa2d
Link:
https://www.unpac.me/results/89bda396-06d8-4a99-8dc6-807e3c3388bf/
Parent samples :
fb110b1db7c02725d6cb0953cf153a2b5e158d358db136aece90ac06d79cb07d
80dd6d009a2b7ab7aa393d063048320db5ea3920a4fd9cca4a0a76f12183273f
SH256 hash:
844d71676420926ac69a998eecb47e4873ba8ed146ae2385770a530a2fffcf36
MD5 hash:
3607613b80d07e0f26d1d5c711b7ad2f
SHA1 hash:
5f8ed12bd35068f7d05bfc7b7354bdf757146887
Link:
https://www.unpac.me/results/89bda396-06d8-4a99-8dc6-807e3c3388bf/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/844d71676420/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/844d71676420926ac69a998eecb47e4873ba8ed146ae2385770a530a2fffcf36

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:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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.

Cape
Cape
https://www.capesandbox.com/analysis/374735/

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