MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a95c61dfc2636d3b7420f5f22216bc5cd579aebc88285f81b7f63eeae91c18d9. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a95c61dfc2636d3b7420f5f22216bc5cd579aebc88285f81b7f63eeae91c18d9
SHA3-384 hash: ac6f285232bb14dd00897cd509a2936f0a2af53e50c947f640a3a9b75271cb9354a84602375ba5dfc983180ff3f40c7d
SHA1 hash: 526294c9ffa6015a18f9850e797444737cead37a
MD5 hash: c120bfbcc44b1b65736f3ea0c25f6f44
humanhash: romeo-may-saturn-october
File name:c120bfbcc44b1b65736f3ea0c25f6f44.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:545'792 bytes
First seen:2021-12-17 16:13:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 6144:ZzoY18PTRKXpPTRKXpPTRKXzubGKEyXuD6TyY1gqmD7rWnpSaTjUkinrX/S7Qpn/:f8PapPapPazuSK3uD6GtD7y7X+apoFP
Threatray 12'324 similar samples on MalwareBazaar
TLSH T1D0C4DF1072A99F12D9BDA7F48C60A0A007B97D66A93AD74F2CC17DEF31B9F404690B17
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
187
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/214857/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/61bcb74ea2eae65b861f4400/reports/05819613-4113-40a6-9d7c-97e5184c362d/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cb6e8b1c-db70-4874-825e-0752d9ba03a0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/909195
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
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
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 541675 Sample: vrd5qFYeTo.exe Startdate: 17/12/2021 Architecture: WINDOWS Score: 100 31 www.whymcw.com 2->31 33 jan.qikouu.com 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 7 other signatures 2->47 11 vrd5qFYeTo.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\vrd5qFYeTo.exe.log, ASCII 11->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 vrd5qFYeTo.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 35 www.ccqsgw.com 154.215.197.112, 49811, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 18->35 37 www.emmaneiss.net 18->37 39 3 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 wlanext.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:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a95c61dfc2636d3b7420f5f22216bc5cd579aebc88285f81b7f63eeae91c18d9/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-12-16 22:04:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
22 of 45 (48.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vfogdx6cmnwtw5ba6xzcefv4ltkxtlv4rauf7anx6y7ov2i4ddmq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
14642e431716be5f43044de68f915037e0358a401f59e490f5370cc5563a1a23
Formbook
2b61cfb00cc8a45fdae91c176c8e68be4ac7cefbe0fab5781e5fa44d2ec4ca9f
Formbook
3d98af517d49b15dba615482257fd8a72f8810b0d4f18a47fce8bf06b3372fa9
Formbook
43d225f01bf64527f716a45d052721613242eace99774e3ff5567839540047f8
Formbook
49609c0487ceeec0771547efd9277b01f494be83549bc0245330672ee962c50c
Formbook
d5a298726b4735d30f3af5331c0a8dc948178a7a776c5961497ceb6fb64ea975
Formbook
e6cb9330e6bbd16bdd58aac76070200e17389a45c4aead703d4ab970038ff8a2
Formbook
f383f40cc25197aa00a470f4b549f6da97293ebd87dd80b099d59d5fc7a2dab4
Formbook
f6a7d7226f3d531bd2470eead967b606744105b3e68d50bc8665db0697664651
Formbook
+ 12'314 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:m2i8 rat spyware stealer trojan
Link:
https://tria.ge/reports/211217-tpm98sdhb9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
193571a4bb5c0474cc1c87be1ad0f325ce31fb7f1c8fb3145859edbb07b36b78
MD5 hash:
700b0f7f4e3af27cb5c3d192f8611f7b
SHA1 hash:
3a0509c68f0525368acd68690f85267ce4c60d8d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/12c87d83-8dcf-4654-b96e-0d650481cd52/
Parent samples :
f6a7d7226f3d531bd2470eead967b606744105b3e68d50bc8665db0697664651
9d542cbd5402390cff627ff88158b1aada6d9f00a8444fcfd321e91385e94f15
3d98af517d49b15dba615482257fd8a72f8810b0d4f18a47fce8bf06b3372fa9
43d225f01bf64527f716a45d052721613242eace99774e3ff5567839540047f8
a95c61dfc2636d3b7420f5f22216bc5cd579aebc88285f81b7f63eeae91c18d9
SH256 hash:
e74c9c7a0a6dd25aee748f5b981e07501a41a58062635afb00d76260b8f457e9
MD5 hash:
ccfaa878274e0a949807b07b520451a8
SHA1 hash:
e069afbe01429eac9725e92342136b6020ea9a9a
Link:
https://www.unpac.me/results/12c87d83-8dcf-4654-b96e-0d650481cd52/
SH256 hash:
9f5763966bacdc6de3944a6e06a49b05869c38f2e98b32cb93b483a480a6ffff
MD5 hash:
3418c620c4b9dd4533a88f1ba5ec3ff1
SHA1 hash:
12f6aaf1c90030c4063d42a27b2e7000a08b6e74
Link:
https://www.unpac.me/results/12c87d83-8dcf-4654-b96e-0d650481cd52/
SH256 hash:
a95c61dfc2636d3b7420f5f22216bc5cd579aebc88285f81b7f63eeae91c18d9
MD5 hash:
c120bfbcc44b1b65736f3ea0c25f6f44
SHA1 hash:
526294c9ffa6015a18f9850e797444737cead37a
Link:
https://www.unpac.me/results/12c87d83-8dcf-4654-b96e-0d650481cd52/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a95c61dfc2636d3b7420f5f22216bc5cd579aebc88285f81b7f63eeae91c18d9

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
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 a95c61dfc2636d3b7420f5f22216bc5cd579aebc88285f81b7f63eeae91c18d9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1887395/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/214857/

Comments