MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e1f130eaed82441c051ac3c8869fa7c76b3d60810a2b641b3bfb70cfdbdf9b1b. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e1f130eaed82441c051ac3c8869fa7c76b3d60810a2b641b3bfb70cfdbdf9b1b
SHA3-384 hash: 4fb25f41180c99aa26e40bf6c9c826840be8ebad0807fbc0409c1b1af233791463e6f061ae1feb52e89143d7fb42eddc
SHA1 hash: c44b00d8ba4f32ea05a7d8f97f093dd3fde48171
MD5 hash: 0a8b520df98bd9d297863955a3e19bc6
humanhash: yellow-july-utah-xray
File name:PO-202206688474799388u8747hf34574-0007456829fh87921_doc.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:481'412 bytes
First seen:2022-06-03 15:01:57 UTC
Last seen:2022-06-03 15:44:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 55f3dfd13c0557d3e32bcbc604441dd3 (124 x Formbook, 18 x Loki, 13 x AgentTesla)
ssdeep 12288:gGfoC7NESdJhA6GShUTgtlCxG8G/96bFs4E7:3oCDA6Gpc21G/96bG4E7
Threatray 1'305 similar samples on MalwareBazaar
TLSH T1FAA42322A5E699F7CB12C8B60574EE2EFB374B10B0BF2C075B58FF55672A40B0475892
TrID 92.9% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 64f4d4d4ecf4d4d4 (82 x SnakeKeylogger, 34 x AgentTesla, 24 x Formbook)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
435
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
PO-202206688474799388u8747hf34574-0007456829fh87921_doc.exe
Verdict:
Malicious activity
Analysis date:
2022-06-03 15:33:01 UTC
Tags:
installer remcos
Link:
https://app.any.run/tasks/168b91e9-9411-4366-b0a7-dfa7254c774c

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/276555/
Detection(s):
SecuriteInfo.com.Variant.Strictor.262379.14695.1885.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/629a22aab5fe347d255010ae/reports/6a367182-e8d5-4549-8e20-b4b2cadbec37/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/3319a394-3977-47f4-aea0-f2cd02c8bce7
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.phis.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1006417
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 638910 Sample: PO-202206688474799388u8747h... Startdate: 03/06/2022 Architecture: WINDOWS Score: 100 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 4 other signatures 2->67 9 PO-202206688474799388u8747hf34574-0007456829fh87921_doc.exe 19 2->9         started        12 wgfqernxubhxy.exe 1 2->12         started        15 wgfqernxubhxy.exe 1 2->15         started        process3 file4 53 C:\Users\user\AppData\Local\Temp\wcsdp.exe, PE32 9->53 dropped 17 wcsdp.exe 1 3 9->17         started        85 Multi AV Scanner detection for dropped file 12->85 21 WerFault.exe 3 10 12->21         started        23 conhost.exe 12->23         started        25 WerFault.exe 12->25         started        27 WerFault.exe 10 15->27         started        29 conhost.exe 15->29         started        31 WerFault.exe 15->31         started        signatures5 process6 file7 51 C:\Users\user\AppData\...\wgfqernxubhxy.exe, PE32 17->51 dropped 69 Multi AV Scanner detection for dropped file 17->69 71 Detected unpacking (changes PE section rights) 17->71 73 Tries to steal Mail credentials (via file registry) 17->73 33 wcsdp.exe 2 14 17->33         started        37 conhost.exe 17->37         started        signatures8 process9 dnsIp10 55 172.94.127.61, 49745, 49747, 49748 AMANAHA-NEWCA United States 33->55 57 geoplugin.net 178.237.33.50, 49746, 49775, 80 ATOM86-ASATOM86NL Netherlands 33->57 75 Writes to foreign memory regions 33->75 77 Allocates memory in foreign processes 33->77 79 Injects a PE file into a foreign processes 33->79 39 wcsdp.exe 1 33->39         started        42 wcsdp.exe 1 33->42         started        44 wcsdp.exe 1 33->44         started        47 MpCmdRun.exe 1 33->47         started        signatures11 process12 dnsIp13 81 Tries to steal Instant Messenger accounts or passwords 39->81 83 Tries to steal Mail credentials (via file / registry access) 39->83 59 192.168.2.1 unknown unknown 44->59 49 conhost.exe 47->49         started        signatures14 process15
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e1f130eaed82441c051ac3c8869fa7c76b3d60810a2b641b3bfb70cfdbdf9b1b/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-06-03 10:39:18 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4hytb2xnqjcbybi2ypeinh5hy5vt2yebbivwigz37nym7w67tmnq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
01f5e461193a3adce502959e029cf52b8e9bf0a9cd1bf06c9088edddb4f643ab
RemcosRAT
576183a33f5247a852bc65a4dc4cbca5762bfbad1291a82572681f7075dc6123
RemcosRAT
7a099c2a919928941a4357553300018cd8847760df7b17c2e7bde1daef328305
RemcosRAT
7ea60fa1c5075f9a356578778cee19a2ae6685c8e75b6638e74927ad3f3d090c
RemcosRAT
900274d5916f078ac30bedfc6b3bf5812c09de4cc1bdddd4e25d5efa1e3bb1c3
RemcosRAT
ba8d32d0c7844fdd2e5c4311fc6dc7a400d7c1ff97bebd9760d62308c669fb8f
RemcosRAT
+ 1'295 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/220603-sefa7sadc4/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
172.94.127.61:5888
Unpacked files
SH256 hash:
1d2dee4a892df15e2f393ed805681b5df8fd01cd6e98333376156280756f0a69
MD5 hash:
27b1256824e541715f777ef254ed7453
SHA1 hash:
8793e46287812cf1cf684e18dc1d59eff1649a82
Link:
https://www.unpac.me/results/73348f2f-0b1f-4e24-b0c9-deb05c8f2d49/
SH256 hash:
eb5a1f8df1c644b419fe9d83fcc8ecf6f00d3bf8f7f741eb7e5dacdf9e17790c
MD5 hash:
ac63c8560a5793d134b40c38ce29d395
SHA1 hash:
263ea662b63519076e4cc6707dca69c486ac21ee
Link:
https://www.unpac.me/results/73348f2f-0b1f-4e24-b0c9-deb05c8f2d49/
SH256 hash:
e1f130eaed82441c051ac3c8869fa7c76b3d60810a2b641b3bfb70cfdbdf9b1b
MD5 hash:
0a8b520df98bd9d297863955a3e19bc6
SHA1 hash:
c44b00d8ba4f32ea05a7d8f97f093dd3fde48171
Link:
https://www.unpac.me/results/73348f2f-0b1f-4e24-b0c9-deb05c8f2d49/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e1f130eaed82/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.58
Link:
https://yomi.yoroi.company/submissions/e1f130eaed82441c051ac3c8869fa7c76b3d60810a2b641b3bfb70cfdbdf9b1b

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:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
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 e1f130eaed82441c051ac3c8869fa7c76b3d60810a2b641b3bfb70cfdbdf9b1b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/276555/

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