MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 06256975fe5fa6bdd741be9978a7104cfa4211a7a055610c6cc9ccf0ccdf37b6. 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


Tofsee


Vendor detections: 12


Intelligence 12 IOCs YARA File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 06256975fe5fa6bdd741be9978a7104cfa4211a7a055610c6cc9ccf0ccdf37b6
SHA3-384 hash: f2ab0790c90cc132a1d0ba89dd334031d8836271c73055d1fee4d15f33b11e093bb4e08021b7db1db1ffc1a8485af7b3
SHA1 hash: 60a48ccd47b0bba5b6a191a0bf3158a6d6f635e2
MD5 hash: 2b81bd0b6df9b88f6cf32b794377e398
humanhash: maryland-delta-music-asparagus
File name:2b81bd0b6df9b88f6cf32b794377e398
Download: download sample
Signature Tofsee
Create hunting rule
File size:272'384 bytes
First seen:2022-04-20 12:02:54 UTC
Last seen:2022-04-20 12:42:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afec21e33dcabd8295ee97c23e4ac7df (2 x Tofsee)
ssdeep 6144:GkEPsAHLVjfhO5i2u42SGSAcbsNgZxIkII+mkrh:5zArVjfhO5iW2TSAc4Nphnm
Threatray 259 similar samples on MalwareBazaar
TLSH T1A6449E10BB90E034E1B752F8497993A9A93E7EF15B3050CB62D53AEE56356E0EC3071B
TrID 40.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.0% (.SCR) Windows screen saver (13101/52/3)
13.6% (.EXE) Win64 Executable (generic) (10523/12/4)
8.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon badacabecee6baa2 (28 x RedLineStealer, 19 x Stop, 13 x Smoke Loader)
Reporter zbetcheckin
Tags:32 exe Tofsee

Intelligence

File Origin
# of uploads :
2
# of downloads :
541
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Tofsee
Create hunting rule
Link:
https://www.capesandbox.com/analysis/265129/
Detection(s):
SecuriteInfo.com.Packed-GEE2B81BD0B6DF9.31918.4533.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file
Launching the process to change the firewall settings
Creating a process from a recently created file
Creating a service
Launching a service
Launching the default Windows debugger (dwwin.exe)
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun for a service
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware tofsee
Link:
https://www.filescan.io/uploads/625ff678ffe27d511917271f/reports/b90aeea7-6835-4306-b3a4-7281c965f00b/overview
Result
Verdict:
SUSPICIOUS
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:
Tofsee
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f1848e08-8e06-4bef-a142-0e1c03cb6499
Result
Threat name:
Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/979567
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Found API chain indicative of debugger detection
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Copying Sensitive Files with Credential Data
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
System process connects to network (likely due to code injection or exploit)
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected Tofsee
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 612052 Sample: eDuOsQ68XS Startdate: 20/04/2022 Architecture: WINDOWS Score: 100 48 microsoft-com.mail.protection.outlook.com 2->48 58 Multi AV Scanner detection for domain / URL 2->58 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 9 other signatures 2->64 8 qwdtlcci.exe 2->8         started        11 eDuOsQ68XS.exe 2 2->11         started        14 svchost.exe 9 1 2->14         started        17 5 other processes 2->17 signatures3 process4 dnsIp5 72 Detected unpacking (changes PE section rights) 8->72 74 Detected unpacking (overwrites its own PE header) 8->74 76 Writes to foreign memory regions 8->76 82 2 other signatures 8->82 19 svchost.exe 1 8->19         started        46 C:\Users\user\AppData\Local\...\qwdtlcci.exe, PE32 11->46 dropped 78 Uses netsh to modify the Windows network and firewall settings 11->78 80 Modifies the windows firewall 11->80 23 cmd.exe 1 11->23         started        26 netsh.exe 3 11->26         started        28 cmd.exe 2 11->28         started        30 3 other processes 11->30 54 127.0.0.1 unknown unknown 14->54 56 192.168.2.1 unknown unknown 17->56 file6 signatures7 process8 dnsIp9 50 niflheimr.cn 192.109.98.119, 443, 49774, 49789 ASBAXETNRU unknown 19->50 52 microsoft-com.mail.protection.outlook.com 52.101.24.0, 25, 49766 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 19->52 66 System process connects to network (likely due to code injection or exploit) 19->66 68 Found API chain indicative of debugger detection 19->68 70 Deletes itself after installation 19->70 44 C:\Windows\SysWOW64\...\qwdtlcci.exe (copy), PE32 23->44 dropped 32 conhost.exe 23->32         started        34 conhost.exe 26->34         started        36 conhost.exe 28->36         started        38 conhost.exe 30->38         started        40 conhost.exe 30->40         started        42 conhost.exe 30->42         started        file10 signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/06256975fe5fa6bdd741be9978a7104cfa4211a7a055610c6cc9ccf0ccdf37b6/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2022-04-20 12:03:06 UTC
File Type:
PE (Exe)
Extracted files:
20
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=aysws5p6l6tl3v2bx2mxrjyqjt5eeenhubkwcddmzhgpbtg7g63a._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
06256975fe5fa6bdd741be9978a7104cfa4211a7a055610c6cc9ccf0ccdf37b6
Tofsee
0c562a5c681740b9496f31015d6ec74b9daf4ca21ce5dbde6788c866fb0d6aea
Tofsee
3db9a9633bb3097ee7f34cd85bbc168ed3a59496c0c407cf1d22087d58fa2763
Tofsee
4cb27107153be0d305e8d3452a8d665fdc2567e1f38f5e042c2b73987fad7106
Tofsee
5d84be18669beb78b0993523cbaf3e66f352ce34888a6f63245290ca02436785
Tofsee
8fd888d45037a4390dfa1675314acfd3184aed3386d34d2e3aec78aeb1b12cca
Tofsee
b9291afeb5418b38950175e191ba50b942bf18824ec4b853d9b6a1ce0f6d6f51
Tofsee
f7024727c4d979b2b200345c3785945aa7c125670fb7ad570f3cf0b45273d966
Tofsee
+ 249 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:tofsee family:xmrig evasion miner persistence trojan
Link:
https://tria.ge/reports/220420-n71qdsbfe2/
Behaviour
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Deletes itself
Checks computer location settings
Creates new service(s)
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
XMRig Miner Payload
Tofsee
Windows security bypass
xmrig
Malware Config
C2 Extraction:
niflheimr.cn
jotunheim.name
Unpacked files
SH256 hash:
8a45b9fe9a64bef219d7bada4de2e61bd6daa96d913b1d0be5cb4faa83d4b70b
MD5 hash:
69126d6d1a71a666204535aa01e990f4
SHA1 hash:
970ead4d879aace069bf19c80928031df9af0dd1
Link:
https://www.unpac.me/results/a9fae810-4240-46bc-ab10-8a408fc9bbdb/
Parent samples :
8fd888d45037a4390dfa1675314acfd3184aed3386d34d2e3aec78aeb1b12cca
140a1853c2a319ccd4f2fd07cf1712a15adab77c81c66d01f876ef17806889c1
8fc3150c1a665a902a55f53053966ee6782420059be6d0151efaf7eebaf48e73
4cc8f23e22db5a8201474e9d46e986ad4772b8ea91c9e281242f2cb5f10dae0b
3ce8363d05d1015ebd88250aad7c26b2ec0383b3e8a1634aec0cd86900f29324
SH256 hash:
06256975fe5fa6bdd741be9978a7104cfa4211a7a055610c6cc9ccf0ccdf37b6
MD5 hash:
2b81bd0b6df9b88f6cf32b794377e398
SHA1 hash:
60a48ccd47b0bba5b6a191a0bf3158a6d6f635e2
Link:
https://www.unpac.me/results/a9fae810-4240-46bc-ab10-8a408fc9bbdb/
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/06256975fe5fa6bdd741be9978a7104cfa4211a7a055610c6cc9ccf0ccdf37b6

File information

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

Web download

Tofsee

Executable exe 06256975fe5fa6bdd741be9978a7104cfa4211a7a055610c6cc9ccf0ccdf37b6

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2051648/
Cape
Cape
https://www.capesandbox.com/analysis/265129/

Comments


Avatar
zbet commented on 2022-04-20 12:02:58 UTC

url : hxxp://62.204.41.46:8080/a.exe