MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98c0c891e2c4aff954bd915bceb34153a4f732ef8b7743162c6faaa079161e84. 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: 17


Intelligence 17 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 98c0c891e2c4aff954bd915bceb34153a4f732ef8b7743162c6faaa079161e84
SHA3-384 hash: 7e4c5345957af9734a7bc162ed55db9d59e8d1cd552832851850720220efab970b69e91200c12166d748e3c089739e7b
SHA1 hash: 7578262264e782e165a43e91b1c76b9564d520e8
MD5 hash: f8c65edbff4fbd39ca6df883e4941a3c
humanhash: kilo-four-coffee-romeo
File name:Payment USD 1146.50.pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:687'225 bytes
First seen:2022-11-07 13:17:41 UTC
Last seen:2022-11-09 15:17:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 12288:WCf+iC1u8dxK92rCH6bzRfsn/dqMDJ3ihSJ:WY+ikVxcUVkdLaW
TLSH T1CAE47CC3F444348DF8DE827BBADA8E26E1D61D9E0943180192713F55BFEE98297C096D
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon d4903292e2ccb4c0 (13 x Formbook, 8 x AgentTesla, 4 x NanoCore)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
170
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Payment USD 1146.50.pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-11-07 13:18:22 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/5580de20-7b32-4ba1-bff8-cbc3bd93d238

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/329914/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/49608/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll threat
Link:
https://www.filescan.io/uploads/6369058c7da1a723acc6a129/reports/d3f2e3bf-b82e-4a6f-9a72-cf3fed0c91ed/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/0920171a-a5dc-4d57-a84f-a9e58e475988
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1107784
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
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
Uses dynamic DNS services
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 740447 Sample: Payment USD 1146.50.pdf.exe Startdate: 07/11/2022 Architecture: WINDOWS Score: 100 43 Multi AV Scanner detection for domain / URL 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->47 49 7 other signatures 2->49 7 Payment USD 1146.50.pdf.exe 18 2->7         started        10 apxhyi.exe 2->10         started        13 apxhyi.exe 2->13         started        process3 file4 27 C:\Users\user\AppData\...\piinyhjfgq.exe, PE32 7->27 dropped 15 piinyhjfgq.exe 1 2 7->15         started        53 Multi AV Scanner detection for dropped file 10->53 55 Machine Learning detection for dropped file 10->55 57 Contains functionality to steal Chrome passwords or cookies 10->57 61 2 other signatures 10->61 19 apxhyi.exe 10->19         started        59 Maps a DLL or memory area into another process 13->59 21 apxhyi.exe 13->21         started        signatures5 process6 file7 29 C:\Users\user\AppData\Roaming\...\apxhyi.exe, PE32 15->29 dropped 35 Multi AV Scanner detection for dropped file 15->35 37 Machine Learning detection for dropped file 15->37 39 Contains functionality to steal Chrome passwords or cookies 15->39 41 4 other signatures 15->41 23 piinyhjfgq.exe 2 15 15->23         started        signatures8 process9 dnsIp10 31 xpremcuz300622.ddns.net 193.47.61.205, 3542, 49713 TH-AS-APTianhaiInfoTechCN Germany 23->31 33 geoplugin.net 178.237.33.50, 49714, 80 ATOM86-ASATOM86NL Netherlands 23->33 51 Installs a global keyboard hook 23->51 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/98c0c891e2c4aff954bd915bceb34153a4f732ef8b7743162c6faaa079161e84/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-11-07 03:45:43 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tdamrepcysx7svf5sfn45m2bkospomxprn3ugfrmn6vka6iwd2ca._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:xp_no startup persistence rat
Link:
https://tria.ge/reports/221107-qjx1pshbf6/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
xpremcuz300622.ddns.net:3542
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7b4d9500-f57f-43c2-8557-a232bde81a3b
Unpacked files
SH256 hash:
65a1d113f7dc5ec1f3e35c6cd4df378cc412cf71d65deb6b3d0dc3f3b26ddd71
MD5 hash:
ab7e54fec4c511c9de20e31d8415b5cf
SHA1 hash:
a6d52521ffbfc9dad59a7c464c07c7abd983f586
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/01f4776a-5864-454f-868d-7475ec7f59b9/
Parent samples :
98c0c891e2c4aff954bd915bceb34153a4f732ef8b7743162c6faaa079161e84
4f3ac2facaae4e74a303e1c92b36c87372397fa19f93d3025cc6fa5c027a7b29
c03cfddda1ce6811ac0aa6cd6d9957e688a3fd37c02a16c15af285bff2c9b04f
c51b5ab4f58954b8e389c8fbd8b7774de8365a5222a6a34eeb2a13d152245b83
6c0f5a9bf9bfd84be91f3d84335b63ac95ac2b227fedc5de439971577328ac30
6c405e0fb6fa88a355b6addac57f8663af6a0e2256bc8d23da104567360ce6f9
fa965dc6edbb0e244cef4ecab1dabb2d04c9c174e42ac25c60f463237bcea16b
d3a2043efc6af7c4ab5141626759c855ae393005862d78c7e325ba585684c5b0
c7e2ce7b8a6da88127cbb0730c2b8b9869f7f0e6a4ba831e34d1aa18122ce5e2
SH256 hash:
fd990fc00781002e51b41eebb3c12f18d9a679779c2f75a3723a897e9c2b4d1b
MD5 hash:
00f72284ce8e2582b7ddd81d3927c5f1
SHA1 hash:
53e6e2e737c4b3243821b0fbdc7fb301a47390ef
Link:
https://www.unpac.me/results/01f4776a-5864-454f-868d-7475ec7f59b9/
SH256 hash:
98c0c891e2c4aff954bd915bceb34153a4f732ef8b7743162c6faaa079161e84
MD5 hash:
f8c65edbff4fbd39ca6df883e4941a3c
SHA1 hash:
7578262264e782e165a43e91b1c76b9564d520e8
Link:
https://www.unpac.me/results/01f4776a-5864-454f-868d-7475ec7f59b9/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/98c0c891e2c4/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/98c0c891e2c4aff954bd915bceb34153a4f732ef8b7743162c6faaa079161e84

File information

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

Malspam

RemcosRAT

Executable exe 98c0c891e2c4aff954bd915bceb34153a4f732ef8b7743162c6faaa079161e84

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/329914/

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