MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ac7c8abe07f63c42e5768cb3da21a4c5717cef26fe3a31ce3ff999a61a98d5d. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1ac7c8abe07f63c42e5768cb3da21a4c5717cef26fe3a31ce3ff999a61a98d5d
SHA3-384 hash: 4114ae0159c76358995296a9743483746a8940329c0608cc23d16777d678cb00e4e0d6acd98f3e97dc133be578017856
SHA1 hash: aa93358310ff6390d20196964f4c21e1d56f9dbf
MD5 hash: 405f26be3dd1e5e99697ddca08d9970c
humanhash: massachusetts-beer-freddie-april
File name:Export Invoice#ASEAN.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:568'320 bytes
First seen:2022-06-28 13:22:32 UTC
Last seen:2022-07-04 08:24:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:vlf90Fe0FPqWjsZ5uEzUQIcLFYfj4L18/vlyaJ4+sZvVp5tE3T:vO/W5pUqCf0L18lI+sJVpy
TLSH T102C4DF003A5CFA50D96FC734D12084F002B66C5FFE62E61BAED73E8E7535B419262A76
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
234
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/283945/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for 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:
fareit packed
Link:
https://www.filescan.io/uploads/62bb00b703fa367ea584ef0d/reports/27f03ac6-2dc6-40c8-8574-23ee4de9373b/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/28321f0d-456b-476f-9f41-92c05df8024d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1021232
Signature
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 domain / URL
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
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 653730 Sample: Export Invoice#ASEAN.exe Startdate: 28/06/2022 Architecture: WINDOWS Score: 100 36 www.sinibelanja.website 2->36 40 Multi AV Scanner detection for domain / URL 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 9 other signatures 2->46 11 Export Invoice#ASEAN.exe 3 2->11         started        signatures3 process4 file5 34 C:\Users\...xport Invoice#ASEAN.exe.log, ASCII 11->34 dropped 14 Export Invoice#ASEAN.exe 11->14         started        17 Export Invoice#ASEAN.exe 11->17         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 19 explorer.exe 14->19 injected process8 dnsIp9 38 www.timinis23.com 199.192.23.166, 49757, 80 NAMECHEAP-NETUS United States 19->38 48 System process connects to network (likely due to code injection or exploit) 19->48 23 help.exe 1 12 19->23         started        26 autoconv.exe 19->26         started        signatures10 process11 signatures12 50 Tries to steal Mail credentials (via file / registry access) 23->50 52 Tries to harvest and steal browser information (history, passwords, etc) 23->52 54 Modifies the context of a thread in another process (thread injection) 23->54 56 2 other signatures 23->56 28 cmd.exe 1 23->28         started        30 cmd.exe 23->30         started        process13 process14 32 conhost.exe 28->32         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1ac7c8abe07f63c42e5768cb3da21a4c5717cef26fe3a31ce3ff999a61a98d5d/
Threat name:
ByteCode-MSIL.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2022-06-28 09:39:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
21 of 40 (52.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dld4rk7ap5r4ilsxndft3iq2jrlrptxsn7r2ghhd76mzuynjrvoq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:sdzp evasion loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220628-qmr9mabdf2/
Behaviour
Modifies Internet Explorer settings
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Executes dropped EXE
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
e4710a90da6adf400b9ea4ad5cbc83c6b1e3cdecca54e07d23dc3ae654f08f6c
MD5 hash:
bac7c0c4ef98d948e08b7744c02f4b91
SHA1 hash:
1a674cf5f946fc603bf20d311658bbdff7db206d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
XLoader
Create hunting rule
Link:
https://www.unpac.me/results/b3e2747a-2ada-4654-838c-f5df5f3815ee/
Parent samples :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 hash:
eb93d72810ed3d4c188763a20ec0e82f1dec6abfb6a307b0bc47f9ec476eb9cf
MD5 hash:
bc212617f3481ba7155e78e0b141df3a
SHA1 hash:
c322b09eb7ffc6646a072ebb63150621c45e304a
Link:
https://www.unpac.me/results/b3e2747a-2ada-4654-838c-f5df5f3815ee/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/b3e2747a-2ada-4654-838c-f5df5f3815ee/
SH256 hash:
1ac7c8abe07f63c42e5768cb3da21a4c5717cef26fe3a31ce3ff999a61a98d5d
MD5 hash:
405f26be3dd1e5e99697ddca08d9970c
SHA1 hash:
aa93358310ff6390d20196964f4c21e1d56f9dbf
Link:
https://www.unpac.me/results/b3e2747a-2ada-4654-838c-f5df5f3815ee/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1ac7c8abe07f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1ac7c8abe07f63c42e5768cb3da21a4c5717cef26fe3a31ce3ff999a61a98d5d

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: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

Executable exe 1ac7c8abe07f63c42e5768cb3da21a4c5717cef26fe3a31ce3ff999a61a98d5d

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/283945/

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