MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61d9f4cbc76b7889d7d17d262b63c0fd2ee40642653063b1eb6ab84397f8c57b. 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: 10


Intelligence 10 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 61d9f4cbc76b7889d7d17d262b63c0fd2ee40642653063b1eb6ab84397f8c57b
SHA3-384 hash: 19c19a1866ff578ebdecbfd64eb8c87d9e2550ba4c47237b99a7502248fb9101b05b7e96b7e566bae8cf638dc87297db
SHA1 hash: c89a832fdcb63f8278c1596b3a258abcb179f6eb
MD5 hash: bbb3a49ef87ede0d986947c9a50fcaac
humanhash: ten-cola-arkansas-papa
File name:HashUpUtility.sfx.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:6'068'276 bytes
First seen:2020-12-24 16:55:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 98304:qiAzQZVYLLnqs8tq5dLhAUVWM078eJtzIBZvNNT4UBB7kmAq3H4besYM2x2arXPZ:uzQZeLLnzwuvw78GIZNT4lmAeH2esY/T
Threatray 1'586 similar samples on MalwareBazaar
TLSH 63563301BDC149B2E9111D3366787FA95D3C7D202F34CAEB63A8686EDA310D36E64772
Reporter o2genum
Tags:RemcosRAT


Avatar
o2genum
Fake utility in PhoenixMiner Bitcointalk thread.

Packed into SFX RAR for analysis.

Intelligence

File Origin
# of uploads :
1
# of downloads :
875
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
HashUpUtility.sfx.exe
Verdict:
Malicious activity
Analysis date:
2020-12-24 16:56:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0abd3b0d-194b-4ab1-bc5e-74c11124cd06

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/109398/
Detection(s):
SecuriteInfo.com.BackDoor.SiggenNET.5.27436.8753.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Sending a UDP request
Deleting a recently created file
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Creating a file
DNS request
Sending a custom TCP request
Creating a process with a hidden window
Running batch commands
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Launching a tool to kill processes
Setting a global event handler for the keyboard
Sending a TCP request to an infection source
Enabling autorun by creating a file
Unauthorized injection to a system process
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.
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/569861
Signature
Allocates memory in foreign processes
Binary contains a suspicious time stamp
Connects to many ports of the same IP (likely port scanning)
Detected Remcos RAT
Drops PE files to the document folder of the user
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sigma detected: Drops script at startup location
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 333990 Sample: HashUpUtility.sfx.exe Startdate: 24/12/2020 Architecture: WINDOWS Score: 100 96 Malicious sample detected (through community Yara rule) 2->96 98 Multi AV Scanner detection for submitted file 2->98 100 Detected Remcos RAT 2->100 102 5 other signatures 2->102 11 HashUpUtility.sfx.exe 16 2->11         started        14 SystemNetNetworkInformationSystemIcmpVStatisticsd.exe 2->14         started        process3 dnsIp4 68 C:\Users\user\AppData\...\Qt5Widgets.dll, PE32+ 11->68 dropped 70 C:\Users\user\AppData\Local\...\Qt5Core.dll, PE32+ 11->70 dropped 72 C:\Users\user\AppData\...\HashUpUtility.exe, PE32 11->72 dropped 18 HashUpUtility.exe 3 13 11->18         started        88 192.168.2.1 unknown unknown 14->88 90 9367.uuundfev.ru 14->90 112 Writes to foreign memory regions 14->112 114 Allocates memory in foreign processes 14->114 116 Sample uses process hollowing technique 14->116 118 Injects a PE file into a foreign processes 14->118 21 AddInProcess32.exe 14->21         started        file5 signatures6 process7 file8 56 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 18->56 dropped 23 HashUpUtility.exe 5 22 18->23         started        process9 file10 58 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 23->58 dropped 60 C:\Program Files (x86)\...\is-SJ0VO.tmp, PE32+ 23->60 dropped 62 C:\Program Files (x86)\...\is-S8IG9.tmp, PE32+ 23->62 dropped 64 4 other files (none is malicious) 23->64 dropped 26 Hash.exe 15 23->26         started        30 Hash Up Utility.exe 1 23->30         started        process11 dnsIp12 80 raw.githubusercontent.com 26->80 82 github.com 140.82.121.4, 443, 49729 GITHUBUS United States 26->82 84 github.map.fastly.net 151.101.0.133, 443, 49730 FASTLYUS United States 26->84 74 C:\Users\user\AppData\...\Unabridged.exe, PE32 26->74 dropped 76 C:\Users\user\AppData\...\Unabridged[1].exe, PE32 26->76 dropped 32 Unabridged.exe 6 26->32         started        36 conhost.exe 30->36         started        file13 process14 file15 54 SystemNetNetworkIn...cmpVStatisticsd.exe, PE32 32->54 dropped 92 Drops PE files to the document folder of the user 32->92 94 Machine Learning detection for dropped file 32->94 38 SystemNetNetworkInformationSystemIcmpVStatisticsd.exe 15 4 32->38         started        43 cmd.exe 32->43         started        signatures16 process17 dnsIp18 78 9367.uuundfev.ru 81.177.141.231, 443, 49731, 49736 RTCOMM-ASRU Russian Federation 38->78 66 C:\...\SystemIOFileSystemEventHandlerd.url, MS 38->66 dropped 104 Machine Learning detection for dropped file 38->104 106 Writes to foreign memory regions 38->106 108 Allocates memory in foreign processes 38->108 110 2 other signatures 38->110 45 AddInProcess32.exe 38->45         started        48 conhost.exe 43->48         started        50 taskkill.exe 43->50         started        52 choice.exe 43->52         started        file19 signatures20 process21 dnsIp22 86 93.158.208.100, 27065, 49732 SERVERIUS-ASNL Netherlands 45->86
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/61d9f4cbc76b7889d7d17d262b63c0fd2ee40642653063b1eb6ab84397f8c57b/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2020-12-24 16:56:08 UTC
AV detection:
6 of 29 (20.69%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mhm7js6hnn4itv6rputcwy6a7uxoibscmuyghmplnk4ehf7yyv5q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
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232e0519807d6bd5adad7c4617644803d6e3b3524595dfd80d5eadcc001c99f1
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2ac56457e5dfd887f318ab16bbc8fa9711095b8cb4cae99f5a34358c9a8502f0
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4791861118e0be776fd14153e2feca7d25f5a91a6c32a997385f5ae272e3d7c8
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5b10f4a23880b51923a0df3e9e3c37f40eb0d3cc93de7b463da62f936a501385
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82027bdaf86e2d0da1c45ede5efd820a1cbaace1b1b8f7675b8115d82db75f26
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8a926e1548b8ad5379c12ec3556049bddf38a042c9c255db4674b752788f7d79
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e26c95b32b64e3f7b5d72d52be2fd7cb52c7a2c1df25f5337a783a1735f806ad
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f7e29cbf47c9804eb341836873ea6837be7a46639978f44d9ba2670d47e68d56
RemcosRAT
+ 1'576 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos rat
Link:
https://tria.ge/reports/201224-n4wa1zmkxs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Drops file in Program Files directory
Suspicious use of SetThreadContext
JavaScript code in executable
Loads dropped DLL
Drops startup file
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
93.158.208.100:27065
Unpacked files
SH256 hash:
61d9f4cbc76b7889d7d17d262b63c0fd2ee40642653063b1eb6ab84397f8c57b
MD5 hash:
bbb3a49ef87ede0d986947c9a50fcaac
SHA1 hash:
c89a832fdcb63f8278c1596b3a258abcb179f6eb
Link:
https://www.unpac.me/results/5ce875d9-cc73-4f28-baba-f18b74861c88/
SH256 hash:
ce1f1a3a5d676b77f60bd5d216a2820d2d99582e5f6e3372071efbf73620a4ab
MD5 hash:
75191cc725cceb29e6de6d5669d39434
SHA1 hash:
095d9fc5646c50635cbb4bc10c22f437ba316735
Link:
https://www.unpac.me/results/5ce875d9-cc73-4f28-baba-f18b74861c88/
SH256 hash:
434e84054a954106e1a2b962df4647a86916788f59df4e69ef203eb7e3bc0100
MD5 hash:
fa9c47df2a13fa80ac91edc6520bdffe
SHA1 hash:
ef7d7210b97c93afb6d9578fcda79af4f58aef0f
Link:
https://www.unpac.me/results/5ce875d9-cc73-4f28-baba-f18b74861c88/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Password Stealer
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/61d9f4cbc76b7889d7d17d262b63c0fd2ee40642653063b1eb6ab84397f8c57b

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
Create hunting rule
Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
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:autogenerated rule brought to you by yara-signator

File information

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

  
Link
https://hashup-utility.info/HashUpUtility.zip
Cape
Cape
https://www.capesandbox.com/analysis/109398/

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