MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73dab39bfcb2d6a7774effc25a662d8b558787faa130852b97749ffb995c589f. 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: 73dab39bfcb2d6a7774effc25a662d8b558787faa130852b97749ffb995c589f
SHA3-384 hash: 83565fe7f796c685805634f7babd03bcb2ec73924f49d3120534d4d8f44654cfb74db795380c93d38def2bdaa4c9b5f6
SHA1 hash: c5b5096556e27d8759efc29642ce8ac41cf1204d
MD5 hash: 78d018638bbf6aeaec78467bb362d2d1
humanhash: sad-north-mockingbird-maryland
File name:78d018638bbf6aeaec78467bb362d2d1.exe
Download: download sample
Signature Formbook
File size:367'616 bytes
First seen:2021-11-04 17:34:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:ZHg2E/MAX8On/xCT4ocsOIRO6Sx7OXX0qhA6FilMYcUu7kz/6+Lu96Sy2bXaxMV1:G2u1XLxC3OeOLxqnXFilRcR7kz/FL12f
TLSH T1FF7402292BDC9E21C6AD0BFEB0B4612D5BF191CB1023F35F1F5474E55D373A086A0A9A
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
136
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
78d018638bbf6aeaec78467bb362d2d1.exe
Verdict:
Malicious activity
Analysis date:
2021-11-04 18:12:12 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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: 515903 Sample: EyCIJOX8SE.exe Startdate: 04/11/2021 Architecture: WINDOWS Score: 100 33 www.havwamsati.xyz 2->33 35 www.jinks-seikatsu.com 2->35 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 7 other signatures 2->49 11 EyCIJOX8SE.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...yCIJOX8SE.exe.log, ASCII 11->31 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 15 EyCIJOX8SE.exe 11->15         started        18 EyCIJOX8SE.exe 11->18         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 20 explorer.exe 15->20 injected process9 dnsIp10 37 thelocal.team 15.197.142.173, 49792, 80 TANDEMUS United States 20->37 39 oiltoolshub.com 109.106.251.86, 49798, 80 NETNET-ASRS Serbia 20->39 41 14 other IPs or domains 20->41 51 System process connects to network (likely due to code injection or exploit) 20->51 24 mstsc.exe 20->24         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 24->53 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-04 11:32:00 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:q36e 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.ridgeviewcustombuilders.com/q36e/
Unpacked files
SH256 hash:
7f25ded33877ed33caa6942b4aa14b77a7ea900b66741a8a0d2d2f7ff7d554d0
MD5 hash:
628fbe06fb5771fe6303dbc6a09c3ec8
SHA1 hash:
616eb175813aaf4417ed376a5888bd82564e9b6f
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
8b178bbc8e76845e2b66c1051af131416d8c8f0c007732fec1fda671232ef0d1
MD5 hash:
e17c92017aea774a68fdbbad4a1d0c04
SHA1 hash:
b5d8f641ced2992cbb1dce6c2c9081e7bb82aca4
SH256 hash:
110a28b39b1e0840684110fa77a580effce50755cb865ce9df566f1fff308d05
MD5 hash:
17d644e87b9923fb2a0ed51e7594d82f
SHA1 hash:
863600e4908ebd4ed26285e210d983d04399e600
SH256 hash:
73dab39bfcb2d6a7774effc25a662d8b558787faa130852b97749ffb995c589f
MD5 hash:
78d018638bbf6aeaec78467bb362d2d1
SHA1 hash:
c5b5096556e27d8759efc29642ce8ac41cf1204d
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 73dab39bfcb2d6a7774effc25a662d8b558787faa130852b97749ffb995c589f

(this sample)

  
Delivery method
Distributed via web download

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