MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 209f77f7c06469c75125d639bdca79aa1751e1d76a7288d349f113f9c75b7da4. 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 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 209f77f7c06469c75125d639bdca79aa1751e1d76a7288d349f113f9c75b7da4
SHA3-384 hash: 1bfc7d722a1c42a68209aa388e476a06b444f64a074a7260f166fb11a871f68d2ef568e334b16c8c626e244c88ed44a3
SHA1 hash: e3485320561b74416d8c2523661b5c272a3ca7a1
MD5 hash: 70d706225522cd3347c547789b252efe
humanhash: double-enemy-diet-blossom
File name:70d706225522cd3347c547789b252efe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'276'928 bytes
First seen:2022-04-08 06:53:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:jbZlpwBJR/YP3ges5u4RT43HbPwcQHMPBlkeB5KYjnxu3mJNTafM6FgkAgez64eh:jpwR/w3gFbkfvB2M0YjY2/JkTeBeh
Threatray 12'058 similar samples on MalwareBazaar
TLSH T1C9458CFC21DF5A20D1BC0F3166B6C6ADF3F9133B891D366C11699CD89D873D1AA02962
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
70d706225522cd3347c547789b252efe
Verdict:
Suspicious activity
Analysis date:
2022-04-08 07:14:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a755df15-9926-481e-80b2-a320b875daaf

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/261893/
Detection(s):
SecuriteInfo.com.INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File.29253.20924.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Adding an access-denied ACE
Using the Windows Management Instrumentation requests
Launching a process
Сreating synchronization primitives
Sending a custom TCP request
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/624fdc0ed53a7479dad848e0/reports/bcab4cc0-0b8d-444d-a127-85a6ab871db0/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d2260da2-a3ee-4ce5-82c4-03c428af7acc
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/972914
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Found malware configuration
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)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Application Executed Non-Executable Extension
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 605398 Sample: C4IAMAXFkX Startdate: 08/04/2022 Architecture: WINDOWS Score: 100 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 13 other signatures 2->49 10 C4IAMAXFkX.exe 1 2->10         started        process3 file4 33 C:\Users\user\AppData\...\C4IAMAXFkX.exe.log, ASCII 10->33 dropped 61 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->61 63 Writes to foreign memory regions 10->63 65 Allocates memory in foreign processes 10->65 67 Injects a PE file into a foreign processes 10->67 14 psr.exe 10->14         started        17 CheckNetIsolation.exe 10->17         started        19 cmd.exe 10->19         started        signatures5 process6 signatures7 69 Modifies the context of a thread in another process (thread injection) 14->69 71 Maps a DLL or memory area into another process 14->71 73 Sample uses process hollowing technique 14->73 75 2 other signatures 14->75 21 explorer.exe 14->21 injected process8 dnsIp9 35 www.tsdsbjt.com 108.186.180.118, 49855, 49874, 80 PEGTECHINCUS United States 21->35 37 www.shyridrel.space 138.201.189.249, 49866, 49867, 80 HETZNER-ASDE Germany 21->37 39 30 other IPs or domains 21->39 51 System process connects to network (likely due to code injection or exploit) 21->51 25 rundll32.exe 12 21->25         started        signatures10 process11 dnsIp12 41 www.shyridrel.space 25->41 53 System process connects to network (likely due to code injection or exploit) 25->53 55 Modifies the context of a thread in another process (thread injection) 25->55 57 Maps a DLL or memory area into another process 25->57 59 Tries to detect virtualization through RDTSC time measurements 25->59 29 cmd.exe 1 25->29         started        signatures13 process14 process15 31 conhost.exe 29->31         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/209f77f7c06469c75125d639bdca79aa1751e1d76a7288d349f113f9c75b7da4/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2022-04-08 06:54:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
13 of 42 (30.95%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ecpxp56amru4oujf2y433stzvilvdyoxnjziru2j6ej7tr23pwsa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
108238536ab90b12dd6a5c654a1ddd27c2994b2d3fc39f87fc5f5e4847c1ec34
Formbook
4504cf6857483bd7ae6874544d602ac9413a1929bb6d1fb0eef07360f572af6f
Formbook
4ba70a201f9aeed927954ccf79ebba102df5f50c437c278636b1905b3f71058f
Formbook
5cef577cfd13f14d2c7468515dcd2da6bdbcbfe9e6778bf2dbf4ee212f273372
Formbook
91d99c65d090258a349298db78014461d0461e916733b3be3247410e05c31d0d
Formbook
faff2bfbf22cd4f7d3d79ae04fbff8db10e9e0c5416dd27644f5bcb0d5dfd98c
Formbook
fc0298b6968720affc88ee57d037699606f5bdeb5d6d47db892c4fec474c062d
Formbook
+ 12'048 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ud5f evasion loader rat
Link:
https://tria.ge/reports/220408-hn7rpshef8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Blocklisted process makes network request
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Xloader Payload
Xloader
Unpacked files
SH256 hash:
209f77f7c06469c75125d639bdca79aa1751e1d76a7288d349f113f9c75b7da4
MD5 hash:
70d706225522cd3347c547789b252efe
SHA1 hash:
e3485320561b74416d8c2523661b5c272a3ca7a1
Link:
https://www.unpac.me/results/d52538d8-e9e7-4753-8856-5ae21e41cd34/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/209f77f7c064/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/209f77f7c06469c75125d639bdca79aa1751e1d76a7288d349f113f9c75b7da4

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:BlackGuard_Rule
Create hunting rule
Author:Jiho Kim
Description:Yara rule for BlackGuarad Stealer v1.0 - v3.0
Reference:https://www.virustotal.com/gui/file/67843d45ba538eca29c63c3259d697f7e2ba84a3da941295b9207cdb01c85b71/detection
Rule name:INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Create hunting rule
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files
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 209f77f7c06469c75125d639bdca79aa1751e1d76a7288d349f113f9c75b7da4

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2136790/
Cape
Cape
https://www.capesandbox.com/analysis/261893/

Comments


Avatar
zbet commented on 2022-04-08 06:53:16 UTC

url : hxxp://103.151.123.228/720space/vbc.exe