MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 784425a3324d90d5d4028f545c946ac1b39eacd8875f6f182417e9e8621a5e0a. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: 784425a3324d90d5d4028f545c946ac1b39eacd8875f6f182417e9e8621a5e0a
SHA3-384 hash: 6c6d269f57c1c6ad8b55e4a1672eef05ee0f8a2c363c659cad5093ba3de06c492e43254cc4ebcfede9cc7c9cf001363e
SHA1 hash: 9db0555370cc85e5bd4194e267d84768910d8ac5
MD5 hash: 9c990c091e85d7c7530e8b3c3e1631f9
humanhash: magnesium-jupiter-winner-california
File name:afTyhpBvrtJlTWH.exe
Download: download sample
Signature Formbook
File size:492'032 bytes
First seen:2021-10-19 10:54:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:2XZ8E2OZXGBaepXdDcUu5GPxR4jqH8OQlTD:2ZDVEaepXdTBPHQ
Threatray 10'709 similar samples on MalwareBazaar
TLSH T10AA4E0143551EE9FC85E8E7A443448724B3299274316F2836DC73ECF6ECE7868A1A397
Reporter pr0xylife
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
1
# of downloads :
183
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
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
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
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)
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: 505461 Sample: afTyhpBvrtJlTWH.exe Startdate: 19/10/2021 Architecture: WINDOWS Score: 100 33 www.lesentreprisesgerco.com 2->33 35 www.comouv.com 2->35 37 lesentreprisesgerco.com 2->37 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Yara detected AntiVM3 2->49 51 4 other signatures 2->51 11 afTyhpBvrtJlTWH.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\afTyhpBvrtJlTWH.exe.log, ASCII 11->31 dropped 65 Tries to detect virtualization through RDTSC time measurements 11->65 15 afTyhpBvrtJlTWH.exe 11->15         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 18 explorer.exe 15->18 injected process9 dnsIp10 39 www.geektranslate.com 172.67.172.138, 49838, 80 CLOUDFLARENETUS United States 18->39 41 www.strantexop.com 172.67.205.241, 49813, 80 CLOUDFLARENETUS United States 18->41 43 12 other IPs or domains 18->43 53 System process connects to network (likely due to code injection or exploit) 18->53 55 Performs DNS queries to domains with low reputation 18->55 22 explorer.exe 18->22         started        25 autoconv.exe 18->25         started        signatures11 process12 signatures13 57 Self deletion via cmd delete 22->57 59 Modifies the context of a thread in another process (thread injection) 22->59 61 Maps a DLL or memory area into another process 22->61 63 Tries to detect virtualization through RDTSC time measurements 22->63 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-10-19 10:54:09 UTC
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:bkqi loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.phdwiser.com/bkqi/
Unpacked files
SH256 hash:
c85ab3ca3bbf839974cdd3dc520e68548991fefda8a88263018869f3f2f1ed71
MD5 hash:
518b3b521462d42207271476f6d8920b
SHA1 hash:
a91e8e12da98980c7cc6f05a281b0862b4e1903e
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
7b4ba24781e21b310e2749bc2f7a80b9670a4198a54d26e42079a6a1c1be6ae7
MD5 hash:
7b77d210bf6b00fd8ee8187198852052
SHA1 hash:
7f78d6294a269349fc9a49ad3c8ccb3c3d2665b4
SH256 hash:
a0b0fbf0dc2826186972d4aac0d98ac5ce0f741975022f14eddd86287619c5f9
MD5 hash:
509c03e46892c634751b942dbc20f349
SHA1 hash:
6c911f17dd69cc7fa2317ba186760ec81044eaf0
SH256 hash:
784425a3324d90d5d4028f545c946ac1b39eacd8875f6f182417e9e8621a5e0a
MD5 hash:
9c990c091e85d7c7530e8b3c3e1631f9
SHA1 hash:
9db0555370cc85e5bd4194e267d84768910d8ac5
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.

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