MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1bba42e787823c0957bec6796fbd9838cc8fdc1d235ac8803cf285514043c34. 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: 7


Intelligence 7 IOCs YARA 6 File information Comments

SHA256 hash: b1bba42e787823c0957bec6796fbd9838cc8fdc1d235ac8803cf285514043c34
SHA3-384 hash: 4ea55bf8652b4ee971e611d91414dd4fc9dd6658182a817895f8e1c3fc00cb475a605e14f7d3577dbe43e10448d86c6d
SHA1 hash: 0632f4966afa2401c0b7800c2c18b0bc4aba551a
MD5 hash: c4331b4148a5ff836e65ad25955770bc
humanhash: india-gee-robin-oven
File name:DHL_119040 документ о получении,pdf.exe
Download: download sample
Signature RemcosRAT
File size:720'384 bytes
First seen:2021-10-11 10:14:45 UTC
Last seen:2021-10-11 11:22:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d1a53510a2d85dc2671dd94748ab51cf (2 x Formbook, 2 x RemcosRAT)
ssdeep 12288:1sCK7j81eHghs1Lqob5GZj9wNqdVzGs+4lprmi:1bivAhs9qotQ9+q7Gs1pm
Threatray 780 similar samples on MalwareBazaar
TLSH T1CFE48F73ADB25433C15397394CD742ED7628AF602D48684A3BEC5E25FB7CB642E1A183
File icon (PE):PE icon
dhash icon c4f0d0d4d0d4d4d4 (13 x RemcosRAT, 7 x Formbook, 1 x AveMariaRAT)
Reporter abuse_ch
Tags:DHL exe geo RAT RemcosRAT RUS

Intelligence


File Origin
# of uploads :
2
# of downloads :
192
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1.exe
Verdict:
No threats detected
Analysis date:
2021-10-11 10:01:22 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware keylogger
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
Creates a thread in another existing process (thread injection)
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 500436 Sample: 0438,pdf.exe Startdate: 12/10/2021 Architecture: WINDOWS Score: 100 44 blowmymind.hopto.org 2->44 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 3 other signatures 2->68 9 0438,pdf.exe 1 22 2->9         started        14 Muijhtt.exe 15 2->14         started        16 Muijhtt.exe 15 2->16         started        signatures3 process4 dnsIp5 48 sn-files.fe.1drv.com 9->48 50 onedrive.live.com 9->50 52 1rrxgg.sn.files.1drv.com 9->52 42 C:\Users\Public\Libraries\...\Muijhtt.exe, PE32 9->42 dropped 78 Writes to foreign memory regions 9->78 80 Creates a thread in another existing process (thread injection) 9->80 82 Injects a PE file into a foreign processes 9->82 18 logagent.exe 2 9->18         started        22 cmd.exe 1 9->22         started        24 cmd.exe 1 9->24         started        54 sn-files.fe.1drv.com 14->54 58 2 other IPs or domains 14->58 84 Multi AV Scanner detection for dropped file 14->84 26 DpiScaling.exe 14->26         started        56 sn-files.fe.1drv.com 16->56 60 2 other IPs or domains 16->60 28 logagent.exe 16->28         started        file6 signatures7 process8 dnsIp9 46 blowmymind.hopto.org 185.140.53.136, 49772, 49773, 49776 DAVID_CRAIGGG Sweden 18->46 70 Contains functionality to inject code into remote processes 18->70 72 Contains functionality to steal Firefox passwords or cookies 18->72 74 Delayed program exit found 18->74 30 reg.exe 1 22->30         started        32 conhost.exe 22->32         started        34 cmd.exe 1 24->34         started        36 conhost.exe 24->36         started        76 Contains functionality to steal Chrome passwords or cookies 26->76 signatures10 process11 process12 38 conhost.exe 30->38         started        40 conhost.exe 34->40         started       
Threat name:
Win32.Trojan.Tnega
Status:
Malicious
First seen:
2021-10-11 10:15:06 UTC
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Program crash
Unpacked files
SH256 hash:
b1bba42e787823c0957bec6796fbd9838cc8fdc1d235ac8803cf285514043c34
MD5 hash:
c4331b4148a5ff836e65ad25955770bc
SHA1 hash:
0632f4966afa2401c0b7800c2c18b0bc4aba551a
Please note that we are no longer able to provide a coverage score for Virus Total.

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:ach_RemcosRAT
Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EnvVarScheduledTasks
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC (ab)using Environment Variables in Scheduled Tasks
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants

File information


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

Malspam

RemcosRAT

Executable exe b1bba42e787823c0957bec6796fbd9838cc8fdc1d235ac8803cf285514043c34

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments