MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c34ff6ec34bb71edb9e73f29af4cbfc610da2c99e18b7f3c85535c097b1a87c. 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


CryptOne


Vendor detections: 13


Intelligence 13 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2c34ff6ec34bb71edb9e73f29af4cbfc610da2c99e18b7f3c85535c097b1a87c
SHA3-384 hash: b2dfa73a5304440c22396ce78cdd39ae1756ff6ed5d45acc86cc4f48cb01f05035ace68b64d29823d9738bed480b0299
SHA1 hash: 7404d837116b090d2be4747211d3382e3f0fdd8f
MD5 hash: cc4542d0f27386e42bebedfb58eaf2a1
humanhash: oscar-nitrogen-sierra-nevada
File name:2c34ff6ec34bb71edb9e73f29af4cbfc610da2c99e18b7f3c85535c097b1a87c
Download: download sample
Signature CryptOne
Create hunting rule
File size:2'933'821 bytes
First seen:2024-04-02 18:35:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 98f67c550a7da65513e63ffd998f6b2e (60 x Worm.Mofksys, 21 x SnakeKeylogger, 13 x MassLogger)
ssdeep 49152:cYo75tM5lJmO+X5SFvi9IOSG92+j/twFZCPG2rUKJtTAPjmZcR2:ZY5WD+X5SFToQZUveucR2
Threatray 37 similar samples on MalwareBazaar
TLSH T120D50222EF305826D45241F43039DBB1A737AD130760561B22F5BE67BA396CBBD5B20B
TrID 44.4% (.EXE) Win32 Executable Microsoft Visual Basic 6 (82067/2/8)
23.3% (.EXE) InstallShield setup (43053/19/16)
16.9% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
5.7% (.EXE) Win64 Executable (generic) (10523/12/4)
2.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon a2c58e4d4d0f4533 (1 x CryptOne)
Reporter e24111111111111
Tags:CryptOne exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
533
Origin country :
GR GR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2c34ff6ec34bb71edb9e73f29af4cbfc610da2c99e18b7f3c85535c097b1a87c.exe
Verdict:
Malicious activity
Analysis date:
2024-04-02 18:39:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2e404572-1e22-4318-963d-bd05f715702a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Creating a file
Creating a process from a recently created file
Creating a file in the %temp% subdirectories
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Setting a keyboard event handler
Setting a global event handler
Creating a file in the %AppData% directory
Setting a single autorun event
Launching the process to create tasks for the scheduler
Enabling autorun
Enabling a "Do not show hidden files" option
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
explorer lolbin overlay packed setupapi shell32
Link:
https://www.filescan.io/uploads/660c501f15f64ac503503e4a/reports/3b5edf7b-af25-4f56-8ae9-b6f4f49cdd87/overview
Verdict:
Malicious
Labled as:
Trojan.Swisyn
Link:
https://www.hybrid-analysis.com/sample/2c34ff6ec34bb71edb9e73f29af4cbfc610da2c99e18b7f3c85535c097b1a87c
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:
Malicious
Link:
https://analyze.intezer.com/analyses/f4c8cd2e-cec6-43b2-9d56-4cb1d97163f2
Result
Threat name:
CryptOne
Create hunting rule
Detection:
malicious
Classification:
spyw.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1418988
Signature
Antivirus / Scanner detection for submitted sample
Creates an undocumented autostart registry key
Detected CryptOne packer
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Interactive AT Job
Sigma detected: Suspect Svchost Activity
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1418988 Sample: 2LfSD1iMxK.exe Startdate: 02/04/2024 Architecture: WINDOWS Score: 64 84 zxq.net 2->84 86 vccmd01.zxq.net 2->86 88 18 other IPs or domains 2->88 102 Malicious sample detected (through community Yara rule) 2->102 104 Antivirus / Scanner detection for submitted sample 2->104 106 Multi AV Scanner detection for submitted file 2->106 108 5 other signatures 2->108 12 2LfSD1iMxK.exe 1 4 2->12         started        16 explorer.exe 2->16         started        signatures3 process4 file5 78 C:\Users\user\Desktop\2lfsd1imxk.exe, PE32 12->78 dropped 80 C:\Users\user\AppData\Local\icsys.icn.exe, PE32 12->80 dropped 136 Installs a global keyboard hook 12->136 18 icsys.icn.exe 4 12->18         started        22 2lfsd1imxk.exe 2 12->22         started        signatures6 process7 file8 60 C:\Windows\System\explorer.exe, PE32 18->60 dropped 110 Multi AV Scanner detection for dropped file 18->110 112 Drops executables to the windows directory (C:\Windows) and starts them 18->112 114 Drops PE files with benign system names 18->114 116 Installs a global keyboard hook 18->116 24 explorer.exe 3 53 18->24         started        62 C:\Users\user\AppData\...\2lfsd1imxk.tmp, PE32 22->62 dropped 29 2lfsd1imxk.tmp 32 67 22->29         started        signatures9 process10 dnsIp11 90 vccmd01.zxq.net 51.81.194.202, 443, 49707, 49708 OVHFR United States 24->90 92 74.125.139.82, 49705, 49711, 49724 GOOGLEUS United States 24->92 94 googlecode.l.googleusercontent.com 74.125.26.82, 49704, 49706, 49710 GOOGLEUS United States 24->94 66 C:\Windows\System\spoolsv.exe, PE32 24->66 dropped 68 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 24->68 dropped 128 System process connects to network (likely due to code injection or exploit) 24->128 130 Creates an undocumented autostart registry key 24->130 132 Drops PE files with benign system names 24->132 134 Installs a global keyboard hook 24->134 31 spoolsv.exe 3 24->31         started        70 C:\Users\user\AppData\Local\...\isskin.dll, PE32 29->70 dropped 72 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 29->72 dropped 74 C:\Users\user\AppData\...\Vista.cjstyles, PE32 29->74 dropped 76 49 other files (none is malicious) 29->76 dropped file12 signatures13 process14 file15 82 C:\Windows\System\svchost.exe, PE32 31->82 dropped 96 Drops executables to the windows directory (C:\Windows) and starts them 31->96 98 Drops PE files with benign system names 31->98 100 Installs a global keyboard hook 31->100 35 svchost.exe 31->35         started        signatures16 process17 file18 64 C:\Users\user\AppData\Local\stsys.exe, PE32 35->64 dropped 118 Detected CryptOne packer 35->118 120 Creates an undocumented autostart registry key 35->120 122 Drops executables to the windows directory (C:\Windows) and starts them 35->122 124 2 other signatures 35->124 39 spoolsv.exe 35->39         started        42 at.exe 35->42         started        44 at.exe 35->44         started        46 27 other processes 35->46 signatures19 process20 signatures21 126 Installs a global keyboard hook 39->126 48 conhost.exe 42->48         started        50 conhost.exe 44->50         started        52 conhost.exe 46->52         started        54 conhost.exe 46->54         started        56 conhost.exe 46->56         started        58 24 other processes 46->58 process22
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2c34ff6ec34bb71edb9e73f29af4cbfc610da2c99e18b7f3c85535c097b1a87c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2c34ff6ec34bb71edb9e73f29af4cbfc610da2c99e18b7f3c85535c097b1a87c/
Threat name:
Win32.Infostealer.Ymacco
Create hunting rule
Status:
Malicious
First seen:
2024-04-01 22:36:00 UTC
File Type:
PE (Exe)
Extracted files:
591
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fq2p63wdjo3r5w46opzjv5gl7rqq3iwjtymlp46iku24bf5rvb6a._file
Verdict:
malicious
Similar samples:
279e5377adb28951afa282d008b2612c2c88b2355f94e66ca5a9844c8f534329
CryptOne
326628b6afc679ebb166efee5fd2eb60bf8e266ce88d1e5d1924d74556479be0
CryptOne
415f115399ed11ed0e11ebd468d3082bb1d0771c3c663fed23bd481a18a2898f
CryptOne
5ad88b48598633133d30a79c10cde8860cdf5a2d05ed4fd6227dd4a7449d02d9
CryptOne
a6aecca7d8f0cf861ae32b0ce54822e1d3c82e94685861b130c842f602b9d7db
CryptOne
c2eb1b14cffec35b06db95366ea2306ab8a0886c8ca14d76e6903c84ee11d04c
CryptOne
c362ad9f9f4035ccc651762387b567234b98f24d73e5588f0ab35c7face15fab
CryptOne
db855c07793f58674c2fed0e96fe361bceda2c4d47537b9825238396978c64e2
CryptOne
+ 27 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion persistence
Link:
https://tria.ge/reports/240402-w8wrtshh84/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Modifies Installed Components in the registry
Modifies WinLogon for persistence
Modifies visiblity of hidden/system files in Explorer
Unpacked files
SH256 hash:
029ee330392b9a80c5c3ff0cc4053711706b2075768e251aee6b9cfad5d78386
MD5 hash:
5b7e064663e0643ac1f7dcbc7cdfe57e
SHA1 hash:
a5184c1cf27e6e68c642969c3de02540dad059b7
Link:
https://www.unpac.me/results/cc766647-ee97-4af6-b2cf-d633186602a7/
SH256 hash:
402a67469b6d9cb3701d9ecec2d2e58fe7930f5a2f52af4ee6cbb5ed6969d368
MD5 hash:
308678ecbab80cb87474aa1d6c8506dd
SHA1 hash:
a1b59026d61032a54dae287684b5d74e8b385c07
Link:
https://www.unpac.me/results/cc766647-ee97-4af6-b2cf-d633186602a7/
SH256 hash:
2c34ff6ec34bb71edb9e73f29af4cbfc610da2c99e18b7f3c85535c097b1a87c
MD5 hash:
cc4542d0f27386e42bebedfb58eaf2a1
SHA1 hash:
7404d837116b090d2be4747211d3382e3f0fdd8f
Detections:
SUSP_Imphash_Mar23_2
Create hunting rule
Link:
https://www.unpac.me/results/cc766647-ee97-4af6-b2cf-d633186602a7/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2c34ff6ec34b/report/overview.html
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/2c34ff6ec34bb71edb9e73f29af4cbfc610da2c99e18b7f3c85535c097b1a87c

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_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:ProtectSharewareV11eCompservCMS
Create hunting rule
Author:malware-lu
Rule name:SEH__vba
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SUSP_Imphash_Mar23_2
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Zero hits with with search for 'imphash:x p:0' on Virustotal)
Reference:Internal Research
Rule name:Windows_Generic_Threat_2bb7fbe3
Create hunting rule
Author:Elastic Security

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
VB_APILegacy Visual Basic API usedMSVBVM60.DLL::__vbaCopyBytes
MSVBVM60.DLL::__vbaSetSystemError
MSVBVM60.DLL::__vbaExitProc
MSVBVM60.DLL::__vbaObjSetAddref
MSVBVM60.DLL::EVENT_SINK_AddRef
MSVBVM60.DLL::__vbaFileOpen

Comments