MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 79f6d6d77052c081fc2c0424fdd13f058d168dd1efbd9c5f2a831afe243aa241. 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



Formbook


Vendor detections: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: 79f6d6d77052c081fc2c0424fdd13f058d168dd1efbd9c5f2a831afe243aa241
SHA3-384 hash: 9b1d0e4ec9bc18199ce3bf887e5de20ebef69dcc88736617af6a23a9e074963bf2ce3c5893c1a731f0bef64fa46e0b99
SHA1 hash: d9e3080be3edf3ac880d6be2fb43f1da0355da9b
MD5 hash: 596699dcaf9c34eb122f2f1cb262cd3e
humanhash: victor-undress-green-pizza
File name:596699dcaf9c34eb122f2f1cb262cd3e.exe
Download: download sample
Signature Formbook
File size:510'976 bytes
First seen:2021-10-27 11:51:52 UTC
Last seen:2021-10-27 13:27:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'633 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:mY6z2W1anMWFImLrfqldAQ68qXCcXIJhT3B42Ln/dRw9aRuN9eKfUeNdHVHBvdD4:USpImHZQGYJhTxJB3ebfnHVhq8
Threatray 10'905 similar samples on MalwareBazaar
TLSH T136B4D04576B8C906D9B503B0E0B8C0F04B357C26CA52E60F99E57CDF3A727825229B7B
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
hacktool obfuscated packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 510134 Sample: usuyeoiSVT.exe Startdate: 27/10/2021 Architecture: WINDOWS Score: 100 33 www.googlekarts.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 6 other signatures 2->47 11 usuyeoiSVT.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\usuyeoiSVT.exe.log, ASCII 11->31 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 15 usuyeoiSVT.exe 11->15         started        18 usuyeoiSVT.exe 11->18         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 20 explorer.exe 15->20 injected process9 dnsIp10 35 www.onlinemarketingmakeover.com 64.98.145.30, 49830, 80 TUCOWS-3CA Canada 20->35 37 ssl.uks-webapp-raptar-prd.azurewebsites.net 20.49.232.181, 49832, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 20->37 39 10 other IPs or domains 20->39 49 System process connects to network (likely due to code injection or exploit) 20->49 24 cmd.exe 20->24         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 24->51 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55 57 Tries to detect virtualization through RDTSC time measurements 24->57 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2021-10-27 06:06:35 UTC
AV detection:
16 of 27 (59.26%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:h6eg loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.volkcarteil.com/h6eg/
Unpacked files
SH256 hash:
1c4b75cb5c70ef0a9151ec094be568b5e54cae2bfea8943b4471c98dfd4bcb2e
MD5 hash:
bfc88c849edbe2b36697c0622e22c2b9
SHA1 hash:
b4cf8374908aa503ed1cb3b9a2a1a3420658517f
SH256 hash:
4d1ee061c817ea30ca4e461a4f44388662c1c1c2775be2b323858ddbc1679b35
MD5 hash:
1b6d3d31872537cc611ff4322ffc1099
SHA1 hash:
0108adafb207ce044bfb3f7933da45594c545bee
SH256 hash:
79f6d6d77052c081fc2c0424fdd13f058d168dd1efbd9c5f2a831afe243aa241
MD5 hash:
596699dcaf9c34eb122f2f1cb262cd3e
SHA1 hash:
d9e3080be3edf3ac880d6be2fb43f1da0355da9b
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Formbook

Executable exe 79f6d6d77052c081fc2c0424fdd13f058d168dd1efbd9c5f2a831afe243aa241

(this sample)

  
Delivery method
Distributed via web download

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