MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 34f4791c96a47fe7310b47315d60db7b8ef02f5555f59ba23358a9de46c462d3. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 34f4791c96a47fe7310b47315d60db7b8ef02f5555f59ba23358a9de46c462d3
SHA3-384 hash: 16abb8ee976716a09bda056aa56cf4edfda73fd4801f43337180b5d1dda99d969f28b4b0c8460dfc7fb64f27cdccac31
SHA1 hash: becb26265f257fdba2103dad1e507a04da98b3dc
MD5 hash: a704448929b197ece21039ddf1802951
humanhash: avocado-speaker-nitrogen-dakota
File name:img_Swift.pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:932'352 bytes
First seen:2022-11-02 20:22:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:/uJqs7LVF44zfu/k9697tUDfTYofJJ3aLwAQ36bxb:/u8sFF44zuc969yYoBJ3akAQQx
Threatray 3'412 similar samples on MalwareBazaar
TLSH T193152382215DD866D03623B895B692A423F0EC19BE10D81F989DF5EF2D32783DF92573
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
266
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
img_Swift.pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-11-02 20:24:11 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/af026429-d2ea-4185-8ee5-70148d7a9bd9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/327334/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.46086.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6362d1a69b2225917c1c6269/reports/85b855c5-2033-480b-9634-8af95c20d798/overview
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/4aed646b-5bdc-4991-8ab8-20381cdef2d3
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1103692
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 736353 Sample: img_Swift.pdf.exe Startdate: 02/11/2022 Architecture: WINDOWS Score: 100 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 Sigma detected: Scheduled temp file as task from temp location 2->52 54 10 other signatures 2->54 7 img_Swift.pdf.exe 7 2->7         started        11 ccIUAeEfs.exe 5 2->11         started        process3 file4 34 C:\Users\user\AppData\Roaming\ccIUAeEfs.exe, PE32 7->34 dropped 36 C:\Users\...\ccIUAeEfs.exe:Zone.Identifier, ASCII 7->36 dropped 38 C:\Users\user\AppData\Local\...\tmpF761.tmp, XML 7->38 dropped 40 C:\Users\user\...\img_Swift.pdf.exe.log, ASCII 7->40 dropped 56 Uses schtasks.exe or at.exe to add and modify task schedules 7->56 58 Writes to foreign memory regions 7->58 60 Adds a directory exclusion to Windows Defender 7->60 62 Injects a PE file into a foreign processes 7->62 13 vbc.exe 2 16 7->13         started        18 powershell.exe 21 7->18         started        20 schtasks.exe 1 7->20         started        64 Multi AV Scanner detection for dropped file 11->64 66 Machine Learning detection for dropped file 11->66 68 Allocates memory in foreign processes 11->68 22 schtasks.exe 1 11->22         started        24 vbc.exe 11->24         started        26 vbc.exe 11->26         started        signatures5 process6 dnsIp7 44 185.136.163.102, 1960, 49700 VELIANET-ASvelianetInternetdiensteGmbHDE Germany 13->44 46 geoplugin.net 178.237.33.50, 49701, 80 ATOM86-ASATOM86NL Netherlands 13->46 42 C:\ProgramData\remcos\logs.dat, data 13->42 dropped 70 Installs a global keyboard hook 13->70 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/34f4791c96a47fe7310b47315d60db7b8ef02f5555f59ba23358a9de46c462d3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-01 09:22:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gt2hshewur76omili4yv2yg3pohpal2vkx2zxirtlcu54rwemljq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
185afea42a0851b228046a4aaf4b599e59ad346492ddd13680d1cfa9c870571a
RemcosRAT
4fb5476bfc11cb3da1feffa767cc7abb70040bd0b11c0e26a7e4d2bdc2d5e049
RemcosRAT
80c597171ff8c2ac89f2c1f1a0db46d8dd6450e537e564a74151ab34fe3bfec0
RemcosRAT
811e8e24493ef71f762e4b01f731bfd6441b06cbcfe1937f1efc82f2502a0756
RemcosRAT
bdb57463a45449889f971cc8f16abf66f695b00dabf917280ec6e7389916a0a2
RemcosRAT
bf5a377899f6233ee48281997d6c23ae42f78319f6368e946ffa78de01fa307d
RemcosRAT
c765e8e36e5a0531113150ee30a6f392100c40313c88ead534aa80643f88260d
RemcosRAT
+ 3'402 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost golden rat
Link:
https://tria.ge/reports/221102-y54z5sbef7/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Uses the VBS compiler for execution
Remcos
Malware Config
C2 Extraction:
185.136.163.102:1960
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a1ec003e-782c-49c5-8008-b9769dae7349
Unpacked files
SH256 hash:
15d73a776fe344c81d89f8c1403a88694e798a4698997b7e71ff8cd285043e5e
MD5 hash:
30f4d7c4a68786ee7add65357696b171
SHA1 hash:
f1dc5ea4551456140bda5f1be92ea156260cab2f
Link:
https://www.unpac.me/results/fce0a0d1-4cb2-4d90-b8d1-8f1823badca5/
SH256 hash:
53dd2d047068838b81fd8d8cca9f9753d9d13f2a3d07f07add12ce95189df0c0
MD5 hash:
ab0bc01c915138b2fcd614c9a12c424d
SHA1 hash:
e5b0a5999615777e85885cbe2b08a5e4f264d5fa
Link:
https://www.unpac.me/results/fce0a0d1-4cb2-4d90-b8d1-8f1823badca5/
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/fce0a0d1-4cb2-4d90-b8d1-8f1823badca5/
SH256 hash:
d341eda7ba4f659acfdb437b42ca7f985e24867dc585409d02f97b53451ad174
MD5 hash:
a9f20ce26ec8bf864e18130c0e50dc84
SHA1 hash:
2b7da517ca2ce6d86c283be4668001d58efbc242
Link:
https://www.unpac.me/results/fce0a0d1-4cb2-4d90-b8d1-8f1823badca5/
SH256 hash:
989677943358dad78b7d1e0948d32b16c67429b0d87d1032ba67c3205d101d74
MD5 hash:
58938e176fb54f17c13ec6b0eebad384
SHA1 hash:
1dbd08db30152073dfc303bc3572d76c0a92c6cf
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/fce0a0d1-4cb2-4d90-b8d1-8f1823badca5/
Parent samples :
5a5d9cee5d7f4429558ef526249cc70078b3c2c89a3a87e2181449aca3c82c14
5c92a316e670ccde068afac02f9900cd61b218f9d8d5afff2d56ee8ebd407bc7
dd2c77b1d8d8ceae9e1a987b52f67f5ef0e35fd550838589230194326225bfea
80c597171ff8c2ac89f2c1f1a0db46d8dd6450e537e564a74151ab34fe3bfec0
a0bf437d8d7693337c0b9510ef15c146e1b2ffa5d92a805c51e065280da61f13
34f4791c96a47fe7310b47315d60db7b8ef02f5555f59ba23358a9de46c462d3
b0140b22d324bed8fea64268dae1d3368edc947f42651e2f2fbd772c210a5154
SH256 hash:
34f4791c96a47fe7310b47315d60db7b8ef02f5555f59ba23358a9de46c462d3
MD5 hash:
a704448929b197ece21039ddf1802951
SHA1 hash:
becb26265f257fdba2103dad1e507a04da98b3dc
Link:
https://www.unpac.me/results/fce0a0d1-4cb2-4d90-b8d1-8f1823badca5/
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/34f4791c96a47fe7310b47315d60db7b8ef02f5555f59ba23358a9de46c462d3

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_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information

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

Malspam

RemcosRAT

Executable exe 34f4791c96a47fe7310b47315d60db7b8ef02f5555f59ba23358a9de46c462d3

(this sample)

  
Dropped by
RemcosRAT
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/327334/

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