MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5eb3dacf12a57af15bd365be08817b05f63c045953f776a1746ada0e73134dc. 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: d5eb3dacf12a57af15bd365be08817b05f63c045953f776a1746ada0e73134dc
SHA3-384 hash: 93b0bb0f336677b8a1671f1d8788a18a525e579282851296d5f3e99c08968d2df6ea27bc0f2840e59256ed64eec8afe0
SHA1 hash: c00d201c0e6d053ffc7bc8d8c90bec7e64ab7f9c
MD5 hash: 8d2a0206624185317656432dacd54315
humanhash: mirror-artist-autumn-illinois
File name:Nueva cotización.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'272'320 bytes
First seen:2021-12-14 06:52:41 UTC
Last seen:2021-12-14 09:11:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:lOyp3H+wUPvuNHozANhzFyr5TNt0Hw1l9GYv34G17ApP/Aop:08uINIzANhWTL0sl8Mn17ApHt
TLSH T1DA4523077A68D911D06AD7B8F657910403F4BE1AF2A2D79B3CCE37D46292BE507422CB
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
133
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Nueva cotización.exe
Verdict:
Malicious activity
Analysis date:
2021-12-14 06:54:47 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/d4936425-af2e-4f4e-aa43-5684903ee8f4

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/213833/
Detection(s):
PUA.Win.Packer.Medvedev-6482674-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Creating a process from a recently created file
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61b83f5147bb875c085c7bc1/reports/e7f339c2-fa9c-4763-9eff-2d65ec1863c4/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/b1df3606-5a5f-423f-8f65-12daafc47fdd
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/906889
Signature
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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: 539368 Sample: Nueva cotizaci#U00f3n.exe Startdate: 14/12/2021 Architecture: WINDOWS Score: 100 33 www.nvgso.com 2->33 35 www.gamingtrendy.com 2->35 37 gamingtrendy.com 2->37 41 Malicious sample detected (through community Yara rule) 2->41 43 Yara detected AntiVM3 2->43 45 Yara detected FormBook 2->45 47 5 other signatures 2->47 11 Nueva cotizaci#U00f3n.exe 3 2->11         started        signatures3 process4 signatures5 57 Injects a PE file into a foreign processes 11->57 14 Nueva cotizaci#U00f3n.exe 11->14         started        process6 signatures7 59 Modifies the context of a thread in another process (thread injection) 14->59 61 Maps a DLL or memory area into another process 14->61 63 Sample uses process hollowing technique 14->63 65 Queues an APC in another process (thread injection) 14->65 17 explorer.exe 14->17 injected process8 process9 19 rundll32.exe 17->19         started        signatures10 49 Self deletion via cmd delete 19->49 51 Modifies the context of a thread in another process (thread injection) 19->51 53 Maps a DLL or memory area into another process 19->53 55 Tries to detect virtualization through RDTSC time measurements 19->55 22 explorer.exe 1 148 19->22         started        25 cmd.exe 1 19->25         started        27 BackgroundTransferHost.exe 19->27         started        29 2 other processes 19->29 process11 dnsIp12 39 192.168.2.1 unknown unknown 22->39 31 conhost.exe 25->31         started        process13
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d5eb3dacf12a57af15bd365be08817b05f63c045953f776a1746ada0e73134dc/
Threat name:
ByteCode-MSIL.Trojan.Injuke
Create hunting rule
Status:
Malicious
First seen:
2021-12-14 06:53:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2xvt3lhrfjl26fn5gzn6bcaxwbpwhqcfsu7xo2qxi2w2bzzrgtoa._file
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:posg loader rat suricata
Link:
https://tria.ge/reports/211214-hnmrjagcfm/
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
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.bennshop.com/posg/
Unpacked files
SH256 hash:
c7825880ef6e619edbd8b5a644b88ea9824bbaff49bca02d6b6c03bd3c81796e
MD5 hash:
2a2bb67ca479c242d17c269ad813c213
SHA1 hash:
508eb9c282df2238bb16868c2b264d71aaa415cc
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/5aa5c511-b194-48bb-9f1c-d95dbece6882/
Parent samples :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 hash:
9892c8e433f4996647f45d32843a4122f3be433ac8844c2cde81f2b0e8f07d22
MD5 hash:
4d428dad099d81897ae6a0c05a6632e5
SHA1 hash:
f258d9462b35314270609c2df828ef2b6b76ad64
Link:
https://www.unpac.me/results/5aa5c511-b194-48bb-9f1c-d95dbece6882/
SH256 hash:
bab4591cecd9d8751ec1563e45ede800d52b62acbd0cf29d8897fafad0a711cd
MD5 hash:
d9ff9c640617f9061012173a2c794c13
SHA1 hash:
22a71b91e3066a29fe8bfee9260c331ddee07ce9
Link:
https://www.unpac.me/results/5aa5c511-b194-48bb-9f1c-d95dbece6882/
SH256 hash:
d5eb3dacf12a57af15bd365be08817b05f63c045953f776a1746ada0e73134dc
MD5 hash:
8d2a0206624185317656432dacd54315
SHA1 hash:
c00d201c0e6d053ffc7bc8d8c90bec7e64ab7f9c
Link:
https://www.unpac.me/results/5aa5c511-b194-48bb-9f1c-d95dbece6882/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/d5eb3dacf12a57af15bd365be08817b05f63c045953f776a1746ada0e73134dc

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.

Malspam

Formbook

gz bcdbef6304823efb53fc024bd5f2915702ec5e5d73aefe23901ad1b30a005beb

Formbook

Executable exe d5eb3dacf12a57af15bd365be08817b05f63c045953f776a1746ada0e73134dc

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 bcdbef6304823efb53fc024bd5f2915702ec5e5d73aefe23901ad1b30a005beb
Cape
Cape
https://www.capesandbox.com/analysis/213833/

Comments