MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a840e006d53f3fd3916a829a5f830686b64f35c21378cd00be35347d4586a059. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a840e006d53f3fd3916a829a5f830686b64f35c21378cd00be35347d4586a059
SHA3-384 hash: 4a6396ef5f686b45d24dfafa1a8cdc2ec8c8314ed3ca7ea66b20d04e98453bc875a43ed86c5640a8f13532709ed78aa0
SHA1 hash: 52abcb5e33ec7ffbf44af04e377a9e364f1b7003
MD5 hash: b39b98b3490b1a5431b535b74be6cfe4
humanhash: arizona-salami-oscar-wisconsin
File name:OGNFGUUF.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:2'402'304 bytes
First seen:2022-11-04 07:53:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:qAplsCSw8p3hTnQtS87pIuGnEG6fEU4p:qGsCSw8pRySYIu4U4p
TLSH T1C9B5394DB3924D55E891DBB1EEF72BD23B518BB50A058303AB94767984BB5DE8F00383
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)
File icon (PE):PE icon
dhash icon 2b53515161496d23 (10 x Formbook, 6 x RemcosRAT, 4 x AgentTesla)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
185.206.225.51:18853

Intelligence

File Origin
# of uploads :
1
# of downloads :
245
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
OGNFGUUF.exe
Verdict:
Malicious activity
Analysis date:
2022-11-04 07:53:57 UTC
Tags:
trojan rat remcos
Link:
https://app.any.run/tasks/89c6f1e0-de81-48b6-aaaf-09a0ffa9d064

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/328376/
Detection(s):
Win.Trojan.EmbeddedReversedDLL-9940922-0
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Forced system process termination
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated
Link:
https://www.filescan.io/uploads/6364c51c61dbcd75551a4094/reports/ec53fdcf-c476-47f9-b1b0-b638d1784368/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7ccbb9bf-0357-497d-a8d1-ff296a49b2aa
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1105224
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
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
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 737882 Sample: OGNFGUUF.exe Startdate: 04/11/2022 Architecture: WINDOWS Score: 100 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 6 other signatures 2->54 7 OGNFGUUF.exe 1 5 2->7         started        11 Upoensynl.exe 2 2->11         started        13 Upoensynl.exe 1 2->13         started        process3 file4 36 C:\Users\user\AppData\...\Upoensynl.exe, PE32 7->36 dropped 38 C:\Users\...\Upoensynl.exe:Zone.Identifier, ASCII 7->38 dropped 40 C:\Users\user\AppData\...\OGNFGUUF.exe.log, ASCII 7->40 dropped 56 Encrypted powershell cmdline option found 7->56 15 OGNFGUUF.exe 2 7->15         started        18 powershell.exe 14 7->18         started        58 Antivirus detection for dropped file 11->58 60 Multi AV Scanner detection for dropped file 11->60 62 Machine Learning detection for dropped file 11->62 20 powershell.exe 11->20         started        22 Upoensynl.exe 11->22         started        24 Upoensynl.exe 11->24         started        26 powershell.exe 13->26         started        28 Upoensynl.exe 13->28         started        signatures5 process6 dnsIp7 42 185.206.225.51, 18853 M247GB United Kingdom 15->42 44 10.16.225.165, 18853 unknown unknown 15->44 46 127.0.0.1 unknown unknown 15->46 30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 26->34         started        process8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a840e006d53f3fd3916a829a5f830686b64f35c21378cd00be35347d4586a059/
Threat name:
ByteCode-MSIL.Trojan.AgenTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-04 07:54:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vbaoabwvh475helkqknf7aygq23e6noccn4m2af6gu2h2rmgubmq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
masslogger
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:faith persistence rat
Link:
https://tria.ge/reports/221104-jrjdysfcan/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
185.206.225.51:18853
127.0.0.1:18853
10.16.225.165:18853
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2c567844-1f84-4791-a68f-ee0a06ac9941
Unpacked files
SH256 hash:
787ef0f77acfda9981cd1c7bbc0343fcae6c72e640df007f60f13b1340afff0d
MD5 hash:
e09d8e9781d05d3e6b6080df8bc9a1c4
SHA1 hash:
effbd05328ce2cefb4d1cb9da63028f63833da36
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/0ec540c3-a2c6-464b-9055-2fad6b0a1f09/
Parent samples :
a840e006d53f3fd3916a829a5f830686b64f35c21378cd00be35347d4586a059
e06c3351c0ae004540812cbbf40f04684b011e4bde0524e46085addfd6f712c8
eea4a2987c0850f1c258defc2177cb60ec07a4b13adf82aef9ba3ceecb1553d2
d7264c654056f0fdb63f216aeec7f9fb8d912ff87b89922741f810637a2c51a8
6703b7143d3bf511ee7a8d8f3202c87c6c76689653525e04954f132c34aff3f9
5903351df18ec7eb5de3f2572cb84d18fdbc6e4af800386f4a714285f2ed52aa
74eed520d759e623eda681f601b8a7ceb741088b36f0ad3442f8127a374790c2
f3f99338943e59e1301976550d8f5951e171564ff7b27a726ffedbaf6a96bde9
3fd9f0e8c656dd07a47d042a5e218fcace3a836bdf2f9cdaa4801c88f0ff2f47
0cb0ccd87b7c1c50fdfe7a270cb40ff92376ae47b0394ccf1829dd9130b3a30f
e44bacf6fb23f27328cdb3f6fea5febdfdfab5729c69a024c63040faf1e08baf
e0d3e7932df9715d7e739474f2d4e06dc3c3bfb7bda509c3845bd0cd06302168
05839c4974350e259502d664b4bf0fe2b228db4a95c39f4dc6d19b31414453aa
51303a3cb940ee46abb13f86445224f6fc986d93956c15bf11d6c126d79a5d23
afd3e4f2219c7e1e0d279ed5eb653eac11a37aa59727af4522776d3289d1cb1c
6b10be1005e53ea3c1f150b83f52be54d5141a2fcdbe9a010be26de674451064
SH256 hash:
ae5256ff7272b508ea883e2704248e394b9f433dbea748fe01e8456d0349d6b5
MD5 hash:
f96e2369fa00e86695235505ae1cdf84
SHA1 hash:
492e78024f86d1de90379930d579dfdac74ff412
Link:
https://www.unpac.me/results/0ec540c3-a2c6-464b-9055-2fad6b0a1f09/
SH256 hash:
9fed568cbcc70bf94f0c1a4e8f91142e191225c932643054b3bb891d86c1c04e
MD5 hash:
b1d453cc587121ff847074f5831f246e
SHA1 hash:
43e9dfe606630b912202af78d7853421a6207537
Link:
https://www.unpac.me/results/0ec540c3-a2c6-464b-9055-2fad6b0a1f09/
SH256 hash:
a840e006d53f3fd3916a829a5f830686b64f35c21378cd00be35347d4586a059
MD5 hash:
b39b98b3490b1a5431b535b74be6cfe4
SHA1 hash:
52abcb5e33ec7ffbf44af04e377a9e364f1b7003
Link:
https://www.unpac.me/results/0ec540c3-a2c6-464b-9055-2fad6b0a1f09/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a840e006d53f/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/a840e006d53f3fd3916a829a5f830686b64f35c21378cd00be35347d4586a059

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_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
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.

Cape
Cape
https://www.capesandbox.com/analysis/328376/

Comments