MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c63bf7e8c39671b903cb389c3ec23b73065f338d817bdd3ef3cc89028b5dd4d. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2c63bf7e8c39671b903cb389c3ec23b73065f338d817bdd3ef3cc89028b5dd4d
SHA3-384 hash: b791d3472f3fa95a911068c5255b27f1889b8408837d5f4001c67968c91ffdfe292b721ececa0ba6f7ba0432d044c16e
SHA1 hash: 1630858a3326e67e8a30036935977871cfd71048
MD5 hash: d625c2d85ac8ddadb363733bdca08286
humanhash: five-crazy-enemy-massachusetts
File name:d625c2d85ac8ddadb363733bdca08286.exe
Download: download sample
Signature Tofsee
Create hunting rule
File size:301'056 bytes
First seen:2022-01-08 07:52:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 533c7d85b116be1012511aa29db7587e (1 x Tofsee, 1 x OnlyLogger)
ssdeep 6144:F2Qu6Zmkt3XpqBiJGIpFkNBlVaQzH/zqKFfoPeRW:F2Q4Y35hJGwFkNBVz9Ffo
Threatray 195 similar samples on MalwareBazaar
TLSH T157549D10BBA0C43AF5B711F846B6936CB93E7AB15734A0CB52D426EA16346E0FC7171B
File icon (PE):PE icon
dhash icon 2dac1378319b9b91 (29 x Smoke Loader, 23 x RedLineStealer, 22 x Amadey)
Reporter abuse_ch
Tags:exe Tofsee

Intelligence

File Origin
# of uploads :
1
# of downloads :
891
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d625c2d85ac8ddadb363733bdca08286.exe
Verdict:
Malicious activity
Analysis date:
2022-01-08 07:56:31 UTC
Tags:
miner trojan tofsee
Link:
https://app.any.run/tasks/5faa4ee4-8848-4a3b-92bc-14a4269f3e25

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Tofsee
Create hunting rule
Link:
https://www.capesandbox.com/analysis/217803/
Detection(s):
Win.Packed.Generic-9917434-0
Create hunting rule

Win.Malware.Generic-9917504-0
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)
Sending a custom TCP request
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun for a service
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/3850/overview
Behaviour
SystemUptime
MeasuringTime
CheckCmdLine
EvasionGetTickCount
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware tofsee
Link:
https://www.filescan.io/uploads/61d942e41c0d769df9d7d94c/reports/579ff80e-0990-4d43-838c-7afe83fffcaa/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.
Malware family:
Tofsee
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ff8e2c98-2029-4edf-9ed2-39f04264830e
Result
Threat name:
Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/917112
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
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 malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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: 549590 Sample: qRqy4ATiJE.exe Startdate: 08/01/2022 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 Antivirus detection for URL or domain 2->62 64 10 other signatures 2->64 8 wushzmil.exe 2->8         started        11 qRqy4ATiJE.exe 2 2->11         started        14 svchost.exe 1 1 2->14         started        17 4 other processes 2->17 signatures3 process4 dnsIp5 70 Detected unpacking (changes PE section rights) 8->70 72 Detected unpacking (overwrites its own PE header) 8->72 74 Writes to foreign memory regions 8->74 80 2 other signatures 8->80 19 svchost.exe 1 8->19         started        46 C:\Users\user\AppData\Local\...\wushzmil.exe, PE32 11->46 dropped 76 Uses netsh to modify the Windows network and firewall settings 11->76 78 Modifies the windows firewall 11->78 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 56 127.0.0.1 unknown unknown 14->56 file6 signatures7 process8 dnsIp9 50 patmushta.info 94.142.141.254, 443, 49744, 49776 IHOR-ASRU Russian Federation 19->50 52 microsoft-com.mail.protection.outlook.com 52.101.24.0, 25, 49743 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 19->52 54 192.168.2.1 unknown unknown 19->54 66 System process connects to network (likely due to code injection or exploit) 19->66 68 Deletes itself after installation 19->68 44 C:\Windows\SysWOW64\...\wushzmil.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/2c63bf7e8c39671b903cb389c3ec23b73065f338d817bdd3ef3cc89028b5dd4d/
Threat name:
Win32.Backdoor.Tofsee
Create hunting rule
Status:
Malicious
First seen:
2022-01-07 22:25:44 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=frr367umhftrxeb4woe4h3bdw4ygl4zy3al33u7phtejakfv3vgq._file
Verdict:
malicious
Similar samples:
0467d83ba3b0d1f7c09d3fa662383e261ea44ea866cdfa0c686eba4cc5a822f2
Tofsee
1ae374502df9e63ab3d4b3bc2611b0758f97285c3eb49d58713fd654ed9ab756
Tofsee
45fced29713e8dc96972faeab4f21ec670543c252ed824b358294e9b8270e496
Tofsee
925c11560a88096bc28480d802d69da132ff883236e0d8dfaf9a367fa07cc245
Tofsee
b4138a9f8a35d4c14b3c05e8784d6d6b9dccd52dbf0ec9884e7db4a40ed63886
Tofsee
e142b01c4b04ddca2ffded33fa5e8e3accf2b305021efd57b485cb06f072e84e
Tofsee
eb7d2f18d5fc15bbdeb4da2d297db7ec72004f54a4a6ef8194c23d0651538a3f
Tofsee
ee87fd0a4b66479135cb2342baaa9fbf54e7dfa4ea65a13a35661a8a2f144663
Tofsee
f57855bf23ce70fccbad6dec4c7d9e97710f222f98dfa0141762d66e56b6192d
Tofsee
+ 185 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/220108-jqzdsadcdq/
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
Legitimate hosting services abused for malware hosting/C2
Deletes itself
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:
patmushta.info
parubey.info
Unpacked files
SH256 hash:
9523920c59da070b3b2f21a933d24cddcad1bbaeb3b732804038d4450903e77d
MD5 hash:
f1aa631204fa2aab6347b5720a170748
SHA1 hash:
6b36050e65661f6a897286d5101b2a30b1ad6075
Detections:
win_tofsee_w0
Create hunting rule
Link:
https://www.unpac.me/results/4c5757c1-b8ae-4f5a-a956-03b0742e74eb/
Parent samples :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 hash:
2c63bf7e8c39671b903cb389c3ec23b73065f338d817bdd3ef3cc89028b5dd4d
MD5 hash:
d625c2d85ac8ddadb363733bdca08286
SHA1 hash:
1630858a3326e67e8a30036935977871cfd71048
Link:
https://www.unpac.me/results/4c5757c1-b8ae-4f5a-a956-03b0742e74eb/
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/2c63bf7e8c39671b903cb389c3ec23b73065f338d817bdd3ef3cc89028b5dd4d

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:MALWARE_Win_Tofsee
Create hunting rule
Author:ditekSHen
Description:Detects Tofsee
Rule name:win_tofsee_w0
Create hunting rule
Author:akrasuski1

File information

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

Web download

Tofsee

Executable exe 2c63bf7e8c39671b903cb389c3ec23b73065f338d817bdd3ef3cc89028b5dd4d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1889202/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/217803/

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