MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 85b414718d97bd7f716c6eaabe004cbf4ab89e16688490100901bcaef1eedc58. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 85b414718d97bd7f716c6eaabe004cbf4ab89e16688490100901bcaef1eedc58
SHA3-384 hash: 57ca33c4450de359b17ca1f404b8c4d39d3513f0b12a8715226923cf4673ec6f80712890980f7aedfd6e6242ed394d3a
SHA1 hash: 5895d2279daf8583c52ee483a913c5a438465add
MD5 hash: 98145eb9442954dfb4df26dbd27bb41c
humanhash: mirror-mountain-black-maine
File name:Confirmation!!!.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:736'768 bytes
First seen:2021-01-07 14:01:11 UTC
Last seen:2021-01-07 15:32:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:p3cSu4VCgLtJ79MEjcybHVWJzb/KqU+WAG0NN85JYq:SSuophzbA/jWoNN85eq
Threatray 3'338 similar samples on MalwareBazaar
TLSH 6CF49D1AA3226787F0382778C5282E0593F0687DB282D7F9BDD5729FA8D9B950573037
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: verztec.com
Sending IP: 103.4.198.143
From: Hue Nguyen (Verztec) <hue.nguyen@verztec.com>
Reply-To: hue.nguyen@verztec.com
Subject: Re Bookings for 2
Attachment: Confirmation.rar (contains "Confirmation!!!.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
210
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Confirmation!!!.rar
Verdict:
Malicious activity
Analysis date:
2021-01-07 12:48:54 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/2265681f-d274-4a8c-b842-b2d72c6d408b

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/110830/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.36028087.16451.1808.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Creating a window
Unauthorized injection to a system process
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/575925
Signature
Found malware configuration
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 337016 Sample: Confirmation!!!.exe Startdate: 07/01/2021 Architecture: WINDOWS Score: 100 31 www.floridaincontinencetherapy.com 2->31 33 floridaincontinencetherapy.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 5 other signatures 2->47 11 Confirmation!!!.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\Confirmation!!!.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 Confirmation!!!.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 35 welderweb.com 75.102.57.103, 49760, 80 SERVERCENTRALUS United States 18->35 37 crazyvine.wine 34.102.136.180, 49759, 80 GOOGLEUS United States 18->37 39 5 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 netsh.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/85b414718d97bd7f716c6eaabe004cbf4ab89e16688490100901bcaef1eedc58/
Threat name:
ByteCode-MSIL.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2021-01-07 00:54:45 UTC
AV detection:
11 of 29 (37.93%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qw2bi4mns66x64lmn2vl4acmx5flrhqwnccjaeajag6k54po3rma._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
16a4855bceb4df02e0478cd72972a6e7f144f2278fedb239c2cb696cf6bf7199
Formbook
24a234c5f80a54172dd68022bc17dfaadb008e6c90dbac03991064860f20ea82
Formbook
277cbccaab65669d5d245b53cc8dec596db650f30daf23c62b8a54cf93867b8d
Formbook
616c28fcce50820b53f2e7489697ceec0526c0e6005c25c4a2f312b2cc8822a3
Formbook
9711d6e85cd32b79392aa64305e32e400365cf1bd359649e499fe92896baf732
Formbook
a2d9b5d16fcae146b34d3ed40bb6444d4b4bb497ed63e8f4d720af4d24cb5450
Formbook
b1b8f6dcd1c8d12e5a79a8d16dd62d0900d552ba435178b691f4497d338cc704
Formbook
e04abb62c7cb7d06e79c802d579572230a52e029b205115c87c31fdb8073930a
Formbook
e367a50fe019accad32ff683df2a06a9178ab2f9b7e2265b80089976c7f5d5dc
Formbook
f4674817122efc3526346a4de3f374c778b48d19f0d84bb13dd4199b0868357c
Formbook
+ 3'328 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210107-s81g1m2tb2/
Behaviour
Suspicious behavior: EnumeratesProcesses
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
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.deuxus.com/t052/
Unpacked files
SH256 hash:
85b414718d97bd7f716c6eaabe004cbf4ab89e16688490100901bcaef1eedc58
MD5 hash:
98145eb9442954dfb4df26dbd27bb41c
SHA1 hash:
5895d2279daf8583c52ee483a913c5a438465add
Link:
https://www.unpac.me/results/cdbdf497-0b9e-4fb7-8993-1fde3ca75f72/
SH256 hash:
4adce3e4fdc9f5e472004679943f797eb25e30b8e29520cc19d744e33e22b7b4
MD5 hash:
c5c75f1160eb97024dad45cb03761471
SHA1 hash:
753aee050835a95fbea1059cab1c6381e46836d7
Link:
https://www.unpac.me/results/cdbdf497-0b9e-4fb7-8993-1fde3ca75f72/
SH256 hash:
78cc69e2bac1d1082fdcd12ab9f73c8fbe177d4c77c3741a1f675afc19fde7df
MD5 hash:
0d89407b450dd157f3eac8a3a3850a07
SHA1 hash:
ae3cd291f2a022360896d4fae4f005f2b50a8364
Link:
https://www.unpac.me/results/cdbdf497-0b9e-4fb7-8993-1fde3ca75f72/
SH256 hash:
9231183674f234096d474027446c1803138f7b55d2e5fd616bd0f1cb12fecd37
MD5 hash:
1e95cc35de4a82e464f91fa77495d826
SHA1 hash:
9d48a0c66137f0e0575b80cff77a21d813acdb35
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/cdbdf497-0b9e-4fb7-8993-1fde3ca75f72/
Parent samples :
f4674817122efc3526346a4de3f374c778b48d19f0d84bb13dd4199b0868357c
24a234c5f80a54172dd68022bc17dfaadb008e6c90dbac03991064860f20ea82
616c28fcce50820b53f2e7489697ceec0526c0e6005c25c4a2f312b2cc8822a3
a2d9b5d16fcae146b34d3ed40bb6444d4b4bb497ed63e8f4d720af4d24cb5450
e04abb62c7cb7d06e79c802d579572230a52e029b205115c87c31fdb8073930a
9711d6e85cd32b79392aa64305e32e400365cf1bd359649e499fe92896baf732
85b414718d97bd7f716c6eaabe004cbf4ab89e16688490100901bcaef1eedc58
9fdd7c91700e8ae665b85b921c9008a728d8a022c669f348c32865b674341333
39872cee88d7cf4d0f0cc42d09348b6fea960a62861fab210bf257c4e6bc3a36
62e4e1e22348e0eb9b33c350ee4489a3d9292dd81bf289282ebb148507180609
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/85b414718d97bd7f716c6eaabe004cbf4ab89e16688490100901bcaef1eedc58

File information

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

Malspam

Formbook

rar 53bb19dcb09ef0c430842e7131f34401bdc10e1a90c4507b3926cc0a495dcd6b

Formbook

Executable exe 85b414718d97bd7f716c6eaabe004cbf4ab89e16688490100901bcaef1eedc58

(this sample)

  
Dropped by
MD5 eb7be25c27b922e87f7c5b88544736f4
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 53bb19dcb09ef0c430842e7131f34401bdc10e1a90c4507b3926cc0a495dcd6b
Cape
Cape
https://www.capesandbox.com/analysis/110830/

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