MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db10c659605c7a9a4fe4c7e539cd8edbd8b14d84403b85df2ed36e7d51b4c485. 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 2 File information Comments
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SHA256 hash: db10c659605c7a9a4fe4c7e539cd8edbd8b14d84403b85df2ed36e7d51b4c485
SHA3-384 hash: e8036cc64e07b8f21333f5e8cdda9107eaab95ca831800f68a5fda2e82bdac5c95f2afce82881462fea461d93045af70
SHA1 hash: 725e7155de887c96bb29f469ea430c88beb593eb
MD5 hash: 5ef5c6081fa73412fcbbdc1ad77c928b
humanhash: mexico-cola-maine-florida
File name:Outstanding Invoices.exe
Download: download sample
Signature Formbook
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File size:517'632 bytes
First seen:2022-03-16 13:24:32 UTC
Last seen:2022-03-16 16:34:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:c0fR78wx0Elpf1EBu2g7dYzyEyi/A4gyVvPMrGIRUcZ64nQlRpKO+7G:v78wCefaBu2OhU
TLSH T128B4AE5D322135CEC82BCB3589214C28DFE1AD76931FE22754D335AE697DA5B8F04872
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
3
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/251420/
Detection(s):
SecuriteInfo.com.Suspicious.Win32.Save.a.5128.12419.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Reading critical registry keys
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/6231e550b94fb38cb48e9c74/reports/a0329ef1-0fc8-4ba6-8c8a-6c78c8b5ba42/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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5f641961-990d-45c3-89e7-d59d0eef098f
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/957990
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 590470 Sample: Outstanding Invoices.exe Startdate: 16/03/2022 Architecture: WINDOWS Score: 100 31 www.imedsaadani.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 9 other signatures 2->45 11 Outstanding Invoices.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\...\Outstanding Invoices.exe.log, ASCII 11->29 dropped 59 Injects a PE file into a foreign processes 11->59 15 Outstanding Invoices.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 33 nadodemons.xyz 124.248.158.192, 49790, 80 KIRKAGOYAJAPANIncJP Japan 18->33 35 www.zunchong-join.com 18->35 37 4 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 49 Performs DNS queries to domains with low reputation 18->49 22 control.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:
xloader
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Link:
https://mwdb.cert.pl/sample/db10c659605c7a9a4fe4c7e539cd8edbd8b14d84403b85df2ed36e7d51b4c485/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-03-16 10:19:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
24 of 27 (88.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3mimmwlalr5jut7ey7stttmo3pmlctmeia5ylxzo2nxh2unuyscq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:pc20 loader rat suricata
Link:
https://tria.ge/reports/220316-qnyg2accgr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
55368c2d63542a60b2a0fc3d76ab706893aebbf8f83bd51e309e46187102336c
MD5 hash:
1d2291ecaf0039c1165bdc594a0ac21a
SHA1 hash:
4036a5c4cc371d8113623527a4111d846ad9b630
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/f906fb7f-b467-4b06-aefa-01013cd1eaed/
Parent samples :
a15521135ce72df5cc2d9a02d558558ee3c38e48025e806173f15488b49034f1
db10c659605c7a9a4fe4c7e539cd8edbd8b14d84403b85df2ed36e7d51b4c485
40fa9ba8113198bf73af0101d0c0275ed1ef014a15fd83457dbdbd29e80f99a8
8693f77ce4f72e78f7635949a2cf836c06779be7cc07909e5d134d6d3089ed43
6d6d9ddbe70bd9d609cfd70f0236a2562b596a6744f283c3b3e4c2ae26a686f9
SH256 hash:
0da32d75242cab28ad756e675cfc89440ef5cc4728d6cbcb9453648fb3a8d08d
MD5 hash:
3e780e6f92af85e144a3ae8d7bef1608
SHA1 hash:
9a3ad0cdd51f820be6d82df24014742f86db5a37
Link:
https://www.unpac.me/results/f906fb7f-b467-4b06-aefa-01013cd1eaed/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/f906fb7f-b467-4b06-aefa-01013cd1eaed/
SH256 hash:
db10c659605c7a9a4fe4c7e539cd8edbd8b14d84403b85df2ed36e7d51b4c485
MD5 hash:
5ef5c6081fa73412fcbbdc1ad77c928b
SHA1 hash:
725e7155de887c96bb29f469ea430c88beb593eb
Link:
https://www.unpac.me/results/f906fb7f-b467-4b06-aefa-01013cd1eaed/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/db10c659605c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/db10c659605c7a9a4fe4c7e539cd8edbd8b14d84403b85df2ed36e7d51b4c485

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
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Rule name:Skystars_Malware_Imphash
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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 db10c659605c7a9a4fe4c7e539cd8edbd8b14d84403b85df2ed36e7d51b4c485

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/251420/

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