MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13721308fa2934ff901136826d32cfe4a52a53aaeaea8f75204bd0e3b0b08b11. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 13721308fa2934ff901136826d32cfe4a52a53aaeaea8f75204bd0e3b0b08b11
SHA3-384 hash: 5b9f852efa91d01cf7a89592a7343dff801531b53c5c5aed1efe799f48eba06dcb50ad52bf53fac4b495c8cb905f2fa2
SHA1 hash: 71e9a08a9fc85371fbaae5b64c593699090e3010
MD5 hash: 4e11e08c377ff78a6d1022303533abe7
humanhash: illinois-failed-mirror-seven
File name:PAYMENT SLIP.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:586'752 bytes
First seen:2022-06-23 02:22:26 UTC
Last seen:2022-06-23 03:22:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:/Xb1kPRxliW10+K5cHQdigELxkayxS+pucLy9pH/by:/Xb1kPRrhzC4JLxcxzpucyu
TLSH T13CC4E164DAFBCD6ED0F6117C203092110DB2EE8A5642E7C9B45D7D3EEC34B42A99253B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon b0cf4a4c4c4ccfb0 (31 x Formbook, 20 x RemcosRAT, 18 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
243
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/282477/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/62b3cec5a6ececa45fc48885/reports/0b9d456c-2dbf-46dc-8812-d99c2854d0a9/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/b268fe91-0257-490b-89b5-c1ed5dbf7e20
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1018343
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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: 650839 Sample: PAYMENT SLIP.exe Startdate: 23/06/2022 Architecture: WINDOWS Score: 100 34 www.mpmidea.com 2->34 42 Snort IDS alert for network traffic 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 9 other signatures 2->48 11 PAYMENT SLIP.exe 3 2->11         started        signatures3 process4 file5 32 C:\Users\user\...\PAYMENT SLIP.exe.log, ASCII 11->32 dropped 14 PAYMENT SLIP.exe 11->14         started        17 PAYMENT SLIP.exe 11->17         started        19 PAYMENT SLIP.exe 11->19         started        process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 21 explorer.exe 14->21 injected process8 dnsIp9 36 www.xn--79q565dzfex9hg81b.com 21->36 38 url.xincache.com 103.149.26.92, 49834, 80 UHGL-AS-APUCloudHKHoldingsGroupLimitedHK unknown 21->38 40 4 other IPs or domains 21->40 50 System process connects to network (likely due to code injection or exploit) 21->50 25 cscript.exe 21->25         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 25->52 54 Maps a DLL or memory area into another process 25->54 56 Tries to detect virtualization through RDTSC time measurements 25->56 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/13721308fa2934ff901136826d32cfe4a52a53aaeaea8f75204bd0e3b0b08b11/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-23 01:04:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cnzbgch2fe2p7earg2bg2mwp4sssuu5k5lvi65jajpiohmfqrmiq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:be3s loader persistence rat suricata
Link:
https://tria.ge/reports/220623-ct5awabdcr/
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Drops file in Program Files directory
Suspicious use of SetThreadContext
Deletes itself
Adds policy Run key to start application
Blocklisted process makes network request
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
29a0ea3ad44ceaf000f6c225bbeaf0ba92da1d45edfad65591a0f08925495027
MD5 hash:
cecfc7b1143cf5d32802a878eda7438d
SHA1 hash:
8487c33ccf2296d637afbfe93158e4dcc599321d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
XLoader
Create hunting rule
Link:
https://www.unpac.me/results/067e3842-5b18-4fb4-8d68-aee46a8fa851/
Parent samples :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 hash:
a03312b32742f9a863c132ba8432b1f1ded4140602fc8b8291f8c22c06a72cb3
MD5 hash:
eab8de701bb4ad23ef1999508275f845
SHA1 hash:
839f11d622976d4b4ae9a61db578298904bcc71c
Link:
https://www.unpac.me/results/067e3842-5b18-4fb4-8d68-aee46a8fa851/
SH256 hash:
6792fdcdd45ae4882862756abebb845d6f5dc424aaeb368b24e2b0fae6ffe5e5
MD5 hash:
e4f7ff6a554753e96cfba0ac1373ce99
SHA1 hash:
6a74edf1d44883aad4067c30c116d8fd21afe437
Link:
https://www.unpac.me/results/067e3842-5b18-4fb4-8d68-aee46a8fa851/
SH256 hash:
87577e6c69af07ba0e6383a2a152b59a39d6b336631ce4baa250bd9f8adce03d
MD5 hash:
9b17d560e68eff0da30f79b3c391c9a3
SHA1 hash:
5ceda263b1ea13401f652c709dd884d58945fe57
Link:
https://www.unpac.me/results/067e3842-5b18-4fb4-8d68-aee46a8fa851/
SH256 hash:
e47a18c580b0c5b17766182f72fbc711126e92772407fd35c131e69e2b4e555c
MD5 hash:
e97b8fcacb962bf2a44dd55e2a132b13
SHA1 hash:
1662276dd11ff579e567ab13129604bc98a96981
Link:
https://www.unpac.me/results/067e3842-5b18-4fb4-8d68-aee46a8fa851/
SH256 hash:
13721308fa2934ff901136826d32cfe4a52a53aaeaea8f75204bd0e3b0b08b11
MD5 hash:
4e11e08c377ff78a6d1022303533abe7
SHA1 hash:
71e9a08a9fc85371fbaae5b64c593699090e3010
Link:
https://www.unpac.me/results/067e3842-5b18-4fb4-8d68-aee46a8fa851/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/13721308fa29/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/13721308fa2934ff901136826d32cfe4a52a53aaeaea8f75204bd0e3b0b08b11

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe 13721308fa2934ff901136826d32cfe4a52a53aaeaea8f75204bd0e3b0b08b11

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/282477/

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