MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43625b0b7ce098d78c074624827e23137ae118f05d6a034f7cadb716fe06e759. 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: 43625b0b7ce098d78c074624827e23137ae118f05d6a034f7cadb716fe06e759
SHA3-384 hash: fb5844a0bee9831c40770edef50d3f21344fe31451e298468ffe03e37941afee6005fafaf9ff1189f68ddc7ee49225d6
SHA1 hash: b3f57e994f54b5fa0c271b738af25d3fa89857ef
MD5 hash: c917274c772cb10f220d147c793d5837
humanhash: ohio-charlie-arizona-early
File name:c917274c772cb10f220d147c793d5837.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:214'016 bytes
First seen:2021-09-03 12:54:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash aa2b72693aae6a6c6f24564ac3d32728 (4 x Formbook, 2 x RemcosRAT, 2 x AgentTesla)
ssdeep 6144:aQEfD/i1lkemVTtuASZNaEz2pjoLlhGiH:4metufNhLb
Threatray 9'099 similar samples on MalwareBazaar
TLSH T1A724E526F7C1F42EE4824479B909EFA550643A3069A8C453F7C1AF1B38715EBDA25F0B
dhash icon 4f07090d0d014f8c (47 x SnakeKeylogger, 17 x Formbook, 13 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
345
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c917274c772cb10f220d147c793d5837.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-03 12:57:57 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7478acb6-b89c-44ea-84a8-794026d6aca2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/185182/
Detection(s):
SecuriteInfo.com.Variant.Fragtor.14965.25326.31293.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Sending a UDP request
Malware family:
Dimnie
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/40648b27-5786-4ace-a6b1-b4bb3fd36c3a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/844847
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 domain / URL
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 477275 Sample: nFzJnfmTNh.exe Startdate: 03/09/2021 Architecture: WINDOWS Score: 100 29 www.dmdrafttech.com 2->29 31 dmdrafttech.com 2->31 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Multi AV Scanner detection for domain / URL 2->43 45 Found malware configuration 2->45 47 6 other signatures 2->47 11 nFzJnfmTNh.exe 14 2->11         started        signatures3 process4 dnsIp5 39 img.neko.airforce 167.172.239.151, 443, 49701 DIGITALOCEAN-ASNUS United States 11->39 59 Maps a DLL or memory area into another process 11->59 61 Tries to detect virtualization through RDTSC time measurements 11->61 15 nFzJnfmTNh.exe 11->15         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 18 explorer.exe 15->18 injected process9 dnsIp10 33 td-balancer-db4-63-96.wixdns.net 185.230.63.96, 49730, 80 WIX_COMIL Israel 18->33 35 www.subusastry.com 199.34.228.79, 49732, 80 WEEBLYUS United States 18->35 37 16 other IPs or domains 18->37 49 System process connects to network (likely due to code injection or exploit) 18->49 22 cmmon32.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 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/43625b0b7ce098d78c074624827e23137ae118f05d6a034f7cadb716fe06e759/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-09-03 09:28:09 UTC
AV detection:
25 of 43 (58.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=inrfwc344cmnpdahiysie7rdcn5ocghqlvvagt34vw3rn7qg45mq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2ab54e46be8e8a1b7e66be9bed5492e2cb5c4112e548442e209954affc2dc374
Formbook
5c9a6aca5e4cc643a1c9d8f846bf0444577bf45ef94f5a2ac5012c810d277248
Formbook
8b4049ea3937e355ad9a551795afcb621fb56991ffc6f1db746861acfd7d6a46
Formbook
b09fdc39338aacafb7eb0163757d2b9863f78e5467af017ff4ad2f09e0e266a2
Formbook
bf31b12fa0ba232eb07eed27f004f9c34695ecc3eb4a5270b89f8abb519a059b
Formbook
c71e73a5006f03bf63ad6099f034a3d19a130a6893979c43318eca2cb6bfd224
Formbook
d6fa87fb59dbf4de1d1d0af1062a41e6a9620b682ecdfc0eb91856e28b9ea1de
Formbook
+ 9'089 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:b6cu loader rat
Link:
https://tria.ge/reports/210903-p5v8kagccr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.xn--marketingrevolucin-61b.com/b6cu/
Unpacked files
SH256 hash:
43625b0b7ce098d78c074624827e23137ae118f05d6a034f7cadb716fe06e759
MD5 hash:
c917274c772cb10f220d147c793d5837
SHA1 hash:
b3f57e994f54b5fa0c271b738af25d3fa89857ef
Link:
https://www.unpac.me/results/f3e66be1-11d8-4035-9272-a8038666f246/
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/43625b0b7ce098d78c074624827e23137ae118f05d6a034f7cadb716fe06e759

File information

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

Web download

Formbook

Executable exe 43625b0b7ce098d78c074624827e23137ae118f05d6a034f7cadb716fe06e759

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/185182/
  
URLhaus
https://urlhaus.abuse.ch/url/1586804/
  
Delivery method
Distributed via web download

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