MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a540f9417751bf4d120f8c586b55961dd659ecab3045ac112c0057287d4816a2. 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


DarkCloud


Vendor detections: 14


Intelligence 14 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a540f9417751bf4d120f8c586b55961dd659ecab3045ac112c0057287d4816a2
SHA3-384 hash: 2671c4ad1b2c379cd49b0af603e9fb95cced67dba7b57cd9223c5a97654d78a33bca9f367f367879d76ec998e5ee5d45
SHA1 hash: 1378a9c3c09b5f849d9d530c56418e2e84dbede3
MD5 hash: cf9f190e2b2a5bc9ecbcc2ea936a7d2b
humanhash: michigan-london-ack-spring
File name:Indkøbsordre 672363#pdf.exe
Download: download sample
Signature DarkCloud
Create hunting rule
File size:1'086'976 bytes
First seen:2023-08-08 22:10:43 UTC
Last seen:2023-08-09 17:41:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:l/+ik1YB0aWDwXwwcQpCpwltUBsvtgzZ1:l/+ikqBxatv/gYgmt1
Threatray 176 similar samples on MalwareBazaar
TLSH T16E35F1083154C649C1BA65B6DD84A5F80FB76D25E932E20F9AED3D2F37736128D00FA6
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)
Reporter TeamDreier
Tags:DarkCloud exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
340
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Indkøbsordre 672363#pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-08-08 22:11:40 UTC
Tags:
darkcloud
Link:
https://app.any.run/tasks/e70dbe4f-24c3-420f-90b3-4e4eb8c10c1a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DarkCloud
Create hunting rule
Link:
https://www.capesandbox.com/analysis/441453/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process from a recently created file
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a540f9417751bf4d120f8c586b55961dd659ecab3045ac112c0057287d4816a2
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:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/634210e9-0736-4c99-b1c9-4d70b88ee490
Result
Threat name:
DarkCloud
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1288142
Signature
.NET source code contains potential unpacker
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
Tries to harvest and steal browser information (history, passwords, etc)
Uses the Telegram API (likely for C&C communication)
Writes or reads registry keys via WMI
Yara detected DarkCloud
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1288142 Sample: Indk#U00f8bsordre_672363#pdf.exe Startdate: 09/08/2023 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 3 other signatures 2->40 6 firehouse.exe 3 2->6         started        9 Indk#U00f8bsordre_672363#pdf.exe 3 2->9         started        11 firehouse.exe 2 2->11         started        process3 signatures4 42 Multi AV Scanner detection for dropped file 6->42 44 Writes or reads registry keys via WMI 6->44 46 Injects a PE file into a foreign processes 6->46 13 firehouse.exe 15 6->13         started        16 firehouse.exe 6->16         started        18 firehouse.exe 6->18         started        20 Indk#U00f8bsordre_672363#pdf.exe 1 19 9->20         started        23 Indk#U00f8bsordre_672363#pdf.exe 9->23         started        25 firehouse.exe 15 11->25         started        process5 dnsIp6 30 api.telegram.org 149.154.167.220, 443, 49700, 49702 TELEGRAMRU United Kingdom 20->30 28 C:\Users\user\AppData\...\firehouse.exe, PE32 20->28 dropped 32 192.168.2.1 unknown unknown 25->32 48 Tries to harvest and steal browser information (history, passwords, etc) 25->48 file7 signatures8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a540f9417751bf4d120f8c586b55961dd659ecab3045ac112c0057287d4816a2/
Threat name:
ByteCode-MSIL.Trojan.DarkCloudSteal
Create hunting rule
Status:
Malicious
First seen:
2023-08-08 07:56:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uvapsqlxkg7u2eqprrmgwvmwdxlft3flgbc2yejmablsq7kic2ra._file
Verdict:
malicious
Similar samples:
081d698ce05d76d8762d9f725143095a0c3ee39a663c08e4523e951dfab93507
DarkCloud
39c3188d01340e7dde2d297ac10dca13ec5fb3299ac57c2259dd81007660206f
DarkCloud
547cd0ab1f4369a1f7e6477acf6a1440ff44ed8f8839a77a0317cb96f7dd088b
DarkCloud
54cd2e3e00d7370c6064ac4a49494694df623ff169a1aa6eb8759f55bae2f758
DarkCloud
5db211cc922b9dd6d4b90f93dbd9a7cb0191ab8e02cd39fe058cd69ab4ff02c1
DarkCloud
6923fdc205daf214ddfdcfc83f398da7646f48d4c3e432b7df373a2d2f5ba1ba
DarkCloud
89787eecba81c6d44901dcc74adc393548414b4e1c7f642f0fbe4a9ccfba039a
DarkCloud
9d16f030796c701a2fc2481bf376df82914d34581547795b81154e3f249f1549
DarkCloud
df9601c2abefafaf4da2b6b95d6beb6a8f59d62e527cb803879f49e12bc6a798
DarkCloud
+ 166 additional samples on MalwareBazaar
Result
Malware family:
darkcloud
Create hunting rule
Score:
  10/10
Tags:
family:darkcloud stealer
Link:
https://tria.ge/reports/230808-13xjdsfh86/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
DarkCloud
Malware Config
C2 Extraction:
https://api.telegram.org/bot6330719807:AAFvDJxiN5ObZ0w4CfkMZltRVFOjl7gRUU/sendMessage?chat_id=6003418032
Unpacked files
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
Link:
https://www.unpac.me/results/028fa9f1-9106-4aac-bc08-1f1007affd1d/
SH256 hash:
9b298c774ffd26ad19085ce1e495614775a1341eb5033043861b7bb50b33b6fe
MD5 hash:
e043d924e35d4c0c6f75b3c068ab09cc
SHA1 hash:
ddd1304190dfdd4a440af7fd7b2245cb9cdd8a73
Detections:
darkcloudstealer
Create hunting rule
Link:
https://www.unpac.me/results/028fa9f1-9106-4aac-bc08-1f1007affd1d/
SH256 hash:
504410fd6158a7346f5a2e7b7714203b329d46dab5d129719410d5c325122804
MD5 hash:
74ed681a2d7aed1dae5627d4367474f8
SHA1 hash:
cad2df636d3f0710f69fdb18cbae03a332341dd3
Link:
https://www.unpac.me/results/028fa9f1-9106-4aac-bc08-1f1007affd1d/
SH256 hash:
0a6bd230f852b0ea44610bf025b8a6388b50281a53c605782f02db246ab8423b
MD5 hash:
9f1bce530f26ae3644830b6ee8a58c07
SHA1 hash:
acafe183f3b5af3e5eba3c1160fae890e2b2a979
Link:
https://www.unpac.me/results/028fa9f1-9106-4aac-bc08-1f1007affd1d/
SH256 hash:
3c3fe23aac0281e58b0eb3ec6255007cee85726c6f6cb626b74607c5843e2a24
MD5 hash:
07b6499bc1824bfd1506e1f3e884909c
SHA1 hash:
6e923b4397d32882656a1da45e08e9294ed3f376
Link:
https://www.unpac.me/results/028fa9f1-9106-4aac-bc08-1f1007affd1d/
SH256 hash:
a540f9417751bf4d120f8c586b55961dd659ecab3045ac112c0057287d4816a2
MD5 hash:
cf9f190e2b2a5bc9ecbcc2ea936a7d2b
SHA1 hash:
1378a9c3c09b5f849d9d530c56418e2e84dbede3
Link:
https://www.unpac.me/results/028fa9f1-9106-4aac-bc08-1f1007affd1d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a540f9417751bf4d120f8c586b55961dd659ecab3045ac112c0057287d4816a2

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_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MALWARE_Win_DarkCloud
Create hunting rule
Author:ditekSHen
Description:Detects DarkCloud infostealer
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:ProtectSharewareV11eCompservCMS
Create hunting rule
Author:malware-lu
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vba
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu

File information

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

Malspam

DarkCloud

Executable exe a540f9417751bf4d120f8c586b55961dd659ecab3045ac112c0057287d4816a2

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/441453/

Comments