MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6e2a4cce6a336b3331f7514ae550ed23690bc5184531e80b33560fda52e0a5a. 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


CoinMiner


Vendor detections: 14


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

SHA256 hash: b6e2a4cce6a336b3331f7514ae550ed23690bc5184531e80b33560fda52e0a5a
SHA3-384 hash: 9643e37378e06a48f5b708644f379a8d2bae184f37104c83116d12e5678985ac5ddca299717c8afdccfcb3aa0408a7ad
SHA1 hash: 7e4a9fe01ab661e7534c4d9ec676a1f36618a70a
MD5 hash: f06a4a419211148424034e7e94ca448b
humanhash: yankee-jig-alanine-saturn
File name:f06a4a419211148424034e7e94ca448b.exe
Download: download sample
Signature CoinMiner
Create hunting rule
File size:315'904 bytes
First seen:2022-01-10 15:16:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e087163b8fb7bb3f17281a379e5aec9f (1 x Loki, 1 x CoinMiner, 1 x ArkeiStealer)
ssdeep 6144:myuCLrYajOGJohv6PVCTlO0uuzbgwuJG:l/YajOGJKSP0uunnX
TLSH T12664D03076A8C432C5A702718825CBE56F3AB8711E6880473735D76E6F30EAC56E6F5E
File icon (PE):PE icon
dhash icon fcfcb4d4d4d4d8c0 (70 x RedLineStealer, 59 x RaccoonStealer, 24 x Smoke Loader)
Reporter abuse_ch
Tags:CoinMiner exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
309
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f06a4a419211148424034e7e94ca448b.exe
Verdict:
Malicious activity
Analysis date:
2022-01-10 15:35:58 UTC
Tags:
miner trojan tofsee
Link:
https://app.any.run/tasks/dff25ece-5447-43f6-86d1-cb88bab531cb

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/218033/
Detection(s):
Win.Malware.Mikey-9917879-0
Create hunting rule

Win.Packed.Lockbit-9919158-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Moving a file to the Windows subdirectory
Launching the process to change the firewall settings
Creating a service
Launching a service
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Searching for synchronization primitives
Forced system process termination
DNS request
Sending a custom TCP request
Creating a file in the Windows subdirectories
Possible injection to a system process
Enabling autorun for a service
Unauthorized injection to a system process
Adding exclusions to Windows Defender
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/4019/overview
Behaviour
MalwareBazaar
SystemUptime
CPUID_Instruction
MeasuringTime
EvasionQueryPerformanceCounter
CheckCmdLine
EvasionGetTickCount
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware mikey tofsee
Link:
https://www.filescan.io/uploads/61dc4df21c0d769df9debfe2/reports/21218b4d-0c42-44a1-a2aa-9da4f75c6237/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/7fe408cc-eda3-4927-9c5d-8186f281bce9
Result
Threat name:
Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/917775
Signature
Allocates memory in foreign processes
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
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: 550257 Sample: NMeQQS5c1I.exe Startdate: 10/01/2022 Architecture: WINDOWS Score: 100 48 microsoft-com.mail.protection.outlook.com 2->48 56 Multi AV Scanner detection for domain / URL 2->56 58 Found malware configuration 2->58 60 Antivirus detection for URL or domain 2->60 62 7 other signatures 2->62 8 oesceirm.exe 2->8         started        11 NMeQQS5c1I.exe 2 2->11         started        14 svchost.exe 9 1 2->14         started        17 4 other processes 2->17 signatures3 process4 dnsIp5 68 Detected unpacking (changes PE section rights) 8->68 70 Detected unpacking (overwrites its own PE header) 8->70 72 Writes to foreign memory regions 8->72 78 2 other signatures 8->78 19 svchost.exe 1 8->19         started        46 C:\Users\user\AppData\Local\...\oesceirm.exe, PE32 11->46 dropped 74 Uses netsh to modify the Windows network and firewall settings 11->74 76 Modifies the windows firewall 11->76 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 file6 signatures7 process8 dnsIp9 50 patmushta.info 45.90.219.105, 443, 49766, 49775 IPOCEANUPLINKSR Russian Federation 19->50 52 microsoft-com.mail.protection.outlook.com 40.93.207.0, 25, 49765 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 19->52 64 System process connects to network (likely due to code injection or exploit) 19->64 66 Deletes itself after installation 19->66 44 C:\Windows\SysWOW64\...\oesceirm.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/b6e2a4cce6a336b3331f7514ae550ed23690bc5184531e80b33560fda52e0a5a/
Threat name:
Win32.Trojan.Raccoon
Create hunting rule
Status:
Malicious
First seen:
2022-01-10 01:26:36 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:tofsee family:xmrig evasion miner persistence trojan
Link:
https://tria.ge/reports/220110-sn1y9sedf9/
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/ac42853e-c43d-4c17-80cf-5719e85c923f/
Parent samples :
d35dd18698186ad6694cfb0361dd9e0c30c03ca1935c40cac4e92e672bec1080
925c11560a88096bc28480d802d69da132ff883236e0d8dfaf9a367fa07cc245
e142b01c4b04ddca2ffded33fa5e8e3accf2b305021efd57b485cb06f072e84e
3a1e3377c664b6863dda1d7d7ae9c353defc585a6df6eeb1c5147f21d31faaaf
ee87fd0a4b66479135cb2342baaa9fbf54e7dfa4ea65a13a35661a8a2f144663
2c63bf7e8c39671b903cb389c3ec23b73065f338d817bdd3ef3cc89028b5dd4d
a9416f3272c3accd4215cbcbd8af56b6fabe9b05a0ef552e5004edb272ea8abf
0f9a3e60242422bf0a29a4429f7c4321cb98efe0bc61cdba8efc0bc59993fa12
b6e2a4cce6a336b3331f7514ae550ed23690bc5184531e80b33560fda52e0a5a
cbaf166d5627651d85f09b787ba9768ddd87f0615e651cd3aaf65ef8b1fb280d
SH256 hash:
b6e2a4cce6a336b3331f7514ae550ed23690bc5184531e80b33560fda52e0a5a
MD5 hash:
f06a4a419211148424034e7e94ca448b
SHA1 hash:
7e4a9fe01ab661e7534c4d9ec676a1f36618a70a
Link:
https://www.unpac.me/results/ac42853e-c43d-4c17-80cf-5719e85c923f/
Malware family:
XMRIG
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b6e2a4cce6a3/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/b6e2a4cce6a336b3331f7514ae550ed23690bc5184531e80b33560fda52e0a5a

File information

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

Web download

CoinMiner

Executable exe b6e2a4cce6a336b3331f7514ae550ed23690bc5184531e80b33560fda52e0a5a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1889202/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/218033/

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