MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd43374c3bef6b11ed3bd01e3830cb6c62cab1bdb3ffcf0f3c29de7151513b0a. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fd43374c3bef6b11ed3bd01e3830cb6c62cab1bdb3ffcf0f3c29de7151513b0a
SHA3-384 hash: 3e905275a967d3e9c5661aac5fecf3091a3b5aae008227e25e3b2c7763d9b36fd0ec3338871d195f4d869e97d43a36dc
SHA1 hash: 4426d90b91dea7abf5edb514e62a247987a3d3a8
MD5 hash: b32efdfbbda064434979296814e8875f
humanhash: johnny-quiet-cola-minnesota
File name:b32efdfbbda064434979296814e8875f.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:711'680 bytes
First seen:2021-02-18 07:09:24 UTC
Last seen:2021-02-18 09:59:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:fk4UKHGoWxQoilqaVql2dUYQbLbGABCBHmfsSkzPa+1oyiP+5gh:85iql2bQbLSABCZWsG+ah
Threatray 3'812 similar samples on MalwareBazaar
TLSH 5BE47B2262489F68F07E17339868580457F9BD03D762C6AA7CED74CE1AB1FE0D562327
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
document.doc
Verdict:
Malicious activity
Analysis date:
2021-02-18 00:32:33 UTC
Tags:
exploit CVE-2017-11882 trojan formbook stealer
Link:
https://app.any.run/tasks/9d60dd4e-a8af-45f7-ac31-c9cfa87d10b5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/117675/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.541.2416.18204.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/611131
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 354590 Sample: kgozmovHpY.exe Startdate: 18/02/2021 Architecture: WINDOWS Score: 100 31 www.magnabeautystyle.com 2->31 33 www.joeisono.com 2->33 35 3 other IPs or domains 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 6 other signatures 2->49 11 kgozmovHpY.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\kgozmovHpY.exe.log, ASCII 11->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 15 kgozmovHpY.exe 11->15         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 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.joeisono.com 210.188.193.44, 80 SAKURA-CSAKURAInternetIncJP Japan 18->37 39 primajayaintiperkasa.com 103.253.212.114, 49735, 80 RUMAHWEB-AS-IDRumahwebIndonesiaCVID Indonesia 18->39 41 20 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 cscript.exe 18->22         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fd43374c3bef6b11ed3bd01e3830cb6c62cab1bdb3ffcf0f3c29de7151513b0a/
Threat name:
ByteCode-MSIL.Trojan.Avemariarat
Create hunting rule
Status:
Malicious
First seen:
2021-02-18 02:13:18 UTC
AV detection:
24 of 48 (50.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
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Formbook
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Formbook
5528ee96b8cefda8ec99999701a1673fb0dff17a8e603f2c8ccd3abac08f7489
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Formbook
b8392aaf409d89fe323576fdf09bf3320094962da9812918d23bb47b3d8d53f8
Formbook
+ 3'802 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Link:
https://tria.ge/reports/210218-yy847vaw3a/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.rizrvd.com/bw82/
Unpacked files
SH256 hash:
b2499a2af35b550fbe7f541a14ff1225e1202324f351eecf85de6c8e9fc7c27c
MD5 hash:
5e732e4265622675313195dead01047e
SHA1 hash:
359c710a93c2f58cdc2a45de8dd48a6884a70645
Link:
https://www.unpac.me/results/94613e55-322e-4471-84a5-35b2b32ee1b0/
SH256 hash:
fd43374c3bef6b11ed3bd01e3830cb6c62cab1bdb3ffcf0f3c29de7151513b0a
MD5 hash:
b32efdfbbda064434979296814e8875f
SHA1 hash:
4426d90b91dea7abf5edb514e62a247987a3d3a8
Link:
https://www.unpac.me/results/94613e55-322e-4471-84a5-35b2b32ee1b0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/fd43374c3bef6b11ed3bd01e3830cb6c62cab1bdb3ffcf0f3c29de7151513b0a

File information

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

Web download

Formbook

Executable exe fd43374c3bef6b11ed3bd01e3830cb6c62cab1bdb3ffcf0f3c29de7151513b0a

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/117675/
  
URLhaus
https://urlhaus.abuse.ch/url/1017036/
  
Delivery method
Distributed via web download

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