MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d1a75579ef0717708782f63318b36e8dc0356fc477370ad9c69feac793a6a95. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3d1a75579ef0717708782f63318b36e8dc0356fc477370ad9c69feac793a6a95
SHA3-384 hash: a0c55753eb6e2e17bb2a3acccaa40346f625da2b34f57e0c9cce700fd40142ddb727ca45b5f05b822d113b5219269faf
SHA1 hash: 9e57018d24ea330be01c9aec2561a59256f2868a
MD5 hash: bfe1e1898909322f61ed501ea76a6a8b
humanhash: july-hamper-nineteen-bulldog
File name:DHL EXPRESS.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'009'664 bytes
First seen:2023-03-30 07:25:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:aHoNbNpojIlnaj6ioCRGHvtq+0Qv2Fj+QhimX:aHQUIloQCKFq+0Qu
TLSH T17125126037ECD156C56543BA85E4C3B05339CC88E67ACBA61FC9BDDBB2CE3069121297
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 32c29292b2e88e82 (7 x Formbook, 6 x RemcosRAT, 2 x AgentTesla)
Reporter abuse_ch
Tags:DHL exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
260
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
DHL EXPRESS.exe
Verdict:
Malicious activity
Analysis date:
2023-03-30 07:38:36 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/c3293ec8-85de-482b-b898-dd7a83ea5c13

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/378704/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6425398b00226dd2c92b051e/reports/3d7a4dae-76b8-404e-b7d1-56cdd26d6b4e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/3d1a75579ef0717708782f63318b36e8dc0356fc477370ad9c69feac793a6a95
Result
Verdict:
UNKNOWN
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/5d3a4715-5b97-4c8b-aa63-6c080a8bdbe6
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1205347
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
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
Sigma detected: Remcos
Uses dynamic DNS services
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 838268 Sample: DHL_EXPRESS.exe Startdate: 30/03/2023 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected UAC Bypass using CMSTP 2->49 51 5 other signatures 2->51 8 DHL_EXPRESS.exe 3 2->8         started        12 remcos.exe 2 2->12         started        14 remcos.exe 2 2->14         started        16 remcos.exe 2 2->16         started        process3 file4 39 C:\Users\user\AppData\...\DHL_EXPRESS.exe.log, CSV 8->39 dropped 53 Contains functionality to bypass UAC (CMSTPLUA) 8->53 55 Contains functionality to steal Chrome passwords or cookies 8->55 57 Contains functionality to steal Firefox passwords or cookies 8->57 59 Delayed program exit found 8->59 18 DHL_EXPRESS.exe 2 4 8->18         started        61 Injects a PE file into a foreign processes 12->61 21 remcos.exe 12->21         started        23 remcos.exe 12->23         started        25 remcos.exe 14->25         started        27 remcos.exe 16->27         started        signatures5 process6 file7 35 C:\ProgramData\Remcos\remcos.exe, PE32 18->35 dropped 37 C:\ProgramData\...\remcos.exe:Zone.Identifier, ASCII 18->37 dropped 29 remcos.exe 3 18->29         started        process8 signatures9 63 Multi AV Scanner detection for dropped file 29->63 32 remcos.exe 3 14 29->32         started        process10 dnsIp11 41 fresh03.ddns.net 103.169.34.187, 34110, 49696 AARNET-AS-APAustralianAcademicandResearchNetworkAARNe unknown 32->41 43 geoplugin.net 178.237.33.50, 49697, 80 ATOM86-ASATOM86NL Netherlands 32->43
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3d1a75579ef0717708782f63318b36e8dc0356fc477370ad9c69feac793a6a95/
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2023-03-30 07:27:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hunhkv466byxocdyf5rtdczw5doagvx4i5zxblm4nh7ky6j2nkkq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:upgraded001 persistence rat
Link:
https://tria.ge/reports/230330-h9jl1ada3y/
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
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
fresh03.ddns.net:34110
Unpacked files
SH256 hash:
af8ea98aaecd306ffa5ed7d6ad932b6ed6cb7be49d09bb30e0c4546cff4a049d
MD5 hash:
50c83ef1282bd84db4557ab48eefdaf9
SHA1 hash:
2fea4d54effe7b0a0e768811ae0ce93a36807144
Link:
https://www.unpac.me/results/f2a6a65f-2039-4b02-ae0c-9fbc7ea0a851/
SH256 hash:
bdcaee69f93c3dd8382f22bb74de934e96c70b7fc383ae0f8e330b2989d2e6d3
MD5 hash:
baa59562c24c9347514243d4f7f6ee13
SHA1 hash:
5b6ca158a91f9a49b05e106e6c67241a45f4145f
Link:
https://www.unpac.me/results/f2a6a65f-2039-4b02-ae0c-9fbc7ea0a851/
SH256 hash:
eb99b9052fb1b154c9731f36fca6c148da71b530f530994427e8886e36f8dffe
MD5 hash:
5d9356dc1909e3385a1b77a1032fecd0
SHA1 hash:
052ee55ae083fe331d00ea3335cd3f68cd08ffdc
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/f2a6a65f-2039-4b02-ae0c-9fbc7ea0a851/
Parent samples :
28c32f08c1471496052f517ee43313f86c38f74bdf0194707735574157a2d55c
3d1a75579ef0717708782f63318b36e8dc0356fc477370ad9c69feac793a6a95
50ca98ba2d54858b97cbbfff758edf7f81a29a8a4884a4319ae994cb8a434de3
f3e4dd541766cd7a3af91ef964b91ded632f13ebe69bd4fb5eadd563c0207059
2e4c6cc30705e1398ea19d064bd7cfba58448798a81f3c89b86fa66750904a7b
SH256 hash:
791557bc8f7b484020cf2802fe2753a2c0303210af1500f98713900f865a88c2
MD5 hash:
e226a7e74de5842d49a587610ea8eae8
SHA1 hash:
cc205e006d01ab7b7baeca6553c663479d1654c2
Link:
https://www.unpac.me/results/f2a6a65f-2039-4b02-ae0c-9fbc7ea0a851/
SH256 hash:
7b951c6b2c00509550c9e31f835a3d043d2bcf3247362c0c9272a39241cac9ae
MD5 hash:
3cf671e6592f12eb288b6f199f7bdaae
SHA1 hash:
143288001483042258861941ec5661e3d4334822
Link:
https://www.unpac.me/results/f2a6a65f-2039-4b02-ae0c-9fbc7ea0a851/
SH256 hash:
3d1a75579ef0717708782f63318b36e8dc0356fc477370ad9c69feac793a6a95
MD5 hash:
bfe1e1898909322f61ed501ea76a6a8b
SHA1 hash:
9e57018d24ea330be01c9aec2561a59256f2868a
Link:
https://www.unpac.me/results/f2a6a65f-2039-4b02-ae0c-9fbc7ea0a851/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3d1a75579ef0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/3d1a75579ef0717708782f63318b36e8dc0356fc477370ad9c69feac793a6a95

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

RemcosRAT

Executable exe 3d1a75579ef0717708782f63318b36e8dc0356fc477370ad9c69feac793a6a95

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/378704/

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