MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f5cb33b00611c1f69f43241fc7193c0d633387deca7539005a1f71b6fee2394. 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


DarkWatchman


Vendor detections: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f5cb33b00611c1f69f43241fc7193c0d633387deca7539005a1f71b6fee2394
SHA3-384 hash: 6d469f64a6025976aae8906e66e8809e7e101900bb44792086ef5fda176e39121d1474887a4ebd0f29db9867e68f45d0
SHA1 hash: f52d76a96986329af298021ca92d09c82953ea48
MD5 hash: e8bc8cb386d478fba30ba27fb40f48c9
humanhash: echo-december-cola-low
File name:Исполнительный лист №2830912 от 26.07.2022.exe
Download: download sample
Signature DarkWatchman
Create hunting rule
File size:352'036 bytes
First seen:2022-07-27 08:38:48 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 6144:LOYGXaPNxdgSdcq2pVZPOJHAbK/YfVRLdoI/Uwt:fGqN/XdctpVtkPY9RLd1so
Threatray 1'943 similar samples on MalwareBazaar
TLSH T13674BF01F6D288B2D4731A315A39AB256E7D79201F34DB2FA3D8496DDB311827235FA3
TrID 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 70f4d4d4dcdcd4c4 (2 x DarkWatchman)
Reporter abuse_ch
Tags:DarkWatchman exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
325
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Исполнительный лист №2830912 от 26.07.2022.zip
Verdict:
Malicious activity
Analysis date:
2022-07-27 06:50:07 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d05b58c0-e6f3-4eb8-a966-c7f7b8445147

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/294562/
Detection(s):
SecuriteInfo.com.PUA.Tool.BtcMine.2110.19075.28917.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %AppData% directory
Launching a process
Using the Windows Management Instrumentation requests
Modifying an executable file
Creating a file
Moving a file to the %AppData% directory
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Sending an HTTP GET request
Moving of the original file
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/27578/overview
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware overlay packed setupapi.dll shdocvw.dll shell32.dll
Link:
https://www.filescan.io/uploads/62e0fa267dd0cb902f04c1e1/reports/15de7898-26a7-4a1a-8b8d-f2bf05f31521/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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/b8b0dec5-3655-4854-9d20-fd3ed12a58dc
Result
Threat name:
DarkWatchman
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1041687
Signature
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Creates processes via WMI
Deletes shadow drive data (may be related to ransomware)
Encrypted powershell cmdline option found
Installs a global keyboard hook
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Very long command line found
Yara detected DarkWatchman
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 674181 Sample: .07.2022.exe Startdate: 27/07/2022 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 9 other signatures 2->55 8 .07.2022.exe 12 2->8         started        11 wscript.exe 2 2->11         started        15 powershell.exe 25 2->15         started        17 2 other processes 2->17 process3 dnsIp4 43 C:\Users\user\AppData\Roaming\1840025892, ASCII 8->43 dropped 19 wscript.exe 3 4 8->19         started        45 3a60dc39.top 172.105.162.84, 443, 49757, 49758 LINODE-APLinodeLLCUS United States 11->45 47 3a60dc39.fun 193.37.213.16, 443, 49772, 49773 BELCLOUDBG Bulgaria 11->47 61 System process connects to network (likely due to code injection or exploit) 11->61 63 Creates processes via WMI 11->63 65 Installs a global keyboard hook 15->65 22 csc.exe 3 15->22         started        25 conhost.exe 15->25         started        27 csc.exe 3 17->27         started        29 conhost.exe 17->29         started        file5 signatures6 process7 file8 57 Deletes shadow drive data (may be related to ransomware) 19->57 59 Creates processes via WMI 19->59 31 vssadmin.exe 1 19->31         started        39 C:\Users\user\AppData\Local\...\gefygsro.dll, PE32 22->39 dropped 33 cvtres.exe 1 22->33         started        41 C:\Users\user\AppData\Local\...\jkri0o3t.dll, PE32 27->41 dropped 35 cvtres.exe 1 27->35         started        signatures9 process10 process11 37 conhost.exe 31->37         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8f5cb33b00611c1f69f43241fc7193c0d633387deca7539005a1f71b6fee2394/
Threat name:
Win32.Trojan.DelShad
Create hunting rule
Status:
Malicious
First seen:
2022-07-26 21:33:17 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r5olgoyameob62pugja7y4mtydldgod55stvheafuh3rw37oeoka._file
Verdict:
malicious
Similar samples:
1bba4e037532af6aa204171b9022d6d5de22aaa248f3199a9c15802fced787f2
DarkWatchman
1f7e9c6aed2b8cb929e3677818bd2b72142254e17f79007f984bb1b8472d99c8
DarkWatchman
61cbb9fa282b447f6fa3ed9db6f04b304eb31c6625a459a56a8a11bf71c7df04
DarkWatchman
67a1871d7c416f613e6a3b56b7e88c563d69190cddbc94d55ffd63f9daab3e94
DarkWatchman
9076b1f904d3f53fcad6a38b7852ed9cb08905f71560dde89db1026c839b77bd
DarkWatchman
ce06efe2c18c75da9d9535b4328677f4136a3f04ea666d037bf55dce7c9b7c57
DarkWatchman
e8681efd888395026e420acffe3df7b45e990d0a917aec3f09c741d4d8ccfba6
DarkWatchman
+ 1'933 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
ransomware
Link:
https://tria.ge/reports/220727-kkac5sffb3/
Behaviour
Interacts with shadow copies
Modifies registry class
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in System32 directory
Checks computer location settings
Deletes itself
Blocklisted process makes network request
Deletes shadow copies
Process spawned unexpected child process
Unpacked files
SH256 hash:
8f5cb33b00611c1f69f43241fc7193c0d633387deca7539005a1f71b6fee2394
MD5 hash:
e8bc8cb386d478fba30ba27fb40f48c9
SHA1 hash:
f52d76a96986329af298021ca92d09c82953ea48
Link:
https://www.unpac.me/results/88795987-d8fd-4668-b30c-21a1c755239a/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8f5cb33b0061/report/overview.html
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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:sfx_pdb
Create hunting rule
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:sfx_pdb_winrar_restrict
Create hunting rule
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.

File information

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

Malspam

DarkWatchman

Executable exe 8f5cb33b00611c1f69f43241fc7193c0d633387deca7539005a1f71b6fee2394

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/294562/

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