MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98b9dc9f5b4f3497ac183ceb6697849616df8f3988aea363a41948eabd5ccaac. 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: 98b9dc9f5b4f3497ac183ceb6697849616df8f3988aea363a41948eabd5ccaac
SHA3-384 hash: 74d7f9383bba0cfb1fdadd95351b14677f08b56a0132109705642e2fcb3245709023c652614668b7477f84c758dbe36d
SHA1 hash: 4646d44642c0b7f0fb51a494a75a9f9263bf2382
MD5 hash: 7c54922135a9c6b4ea639b20949978b7
humanhash: stream-magnesium-network-neptune
File name:payment invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:974'336 bytes
First seen:2021-04-16 06:08:32 UTC
Last seen:2021-04-16 06:50:20 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 24576:tk7/1SidyMkjwigpA4rCPMTdH56XyUaQMAtBzhPCZDyUJCwt:27zdyM++G4rL+
Threatray 4'689 similar samples on MalwareBazaar
TLSH 19257D9C3650B68FC85BCE76CAA81C60EA2064B6470BE303A45715ED9A0DBDBDF151F3
Reporter cocaman
Tags:exe FormBook INVOICE

Intelligence

File Origin
# of uploads :
3
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
payment invoice.exe
Verdict:
Malicious activity
Analysis date:
2021-04-16 06:12:11 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/3606aec6-9905-40ff-9724-ef5ff6fe1a25

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/135834/
Detection(s):
SecuriteInfo.com.Artemis7C54922135A9.13068.1937.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Launching cmd.exe command interpreter
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/679708
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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 dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 388809 Sample: payment invoice.exe Startdate: 16/04/2021 Architecture: WINDOWS Score: 100 39 www.royalbranchhomes.com 2->39 41 www.edmcpng.com 2->41 43 2 other IPs or domains 2->43 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 13 other signatures 2->57 11 payment invoice.exe 6 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\RoamingqVDnk.exe, PE32 11->33 dropped 35 C:\Users\user\AppData\Local\...\tmp80C1.tmp, XML 11->35 dropped 37 C:\Users\user\...\payment invoice.exe.log, ASCII 11->37 dropped 67 Writes to foreign memory regions 11->67 69 Injects a PE file into a foreign processes 11->69 15 MSBuild.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 2 other signatures 15->77 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 45 www.modernlifestylejournal.com 156.254.140.36, 49711, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 20->45 47 yetisotomotiv.com 213.238.182.215, 49715, 80 TEKNOSOSTR Turkey 20->47 49 15 other IPs or domains 20->49 59 System process connects to network (likely due to code injection or exploit) 20->59 26 systray.exe 20->26         started        signatures11 process12 signatures13 61 Modifies the context of a thread in another process (thread injection) 26->61 63 Maps a DLL or memory area into another process 26->63 65 Tries to detect virtualization through RDTSC time measurements 26->65 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/98b9dc9f5b4f3497ac183ceb6697849616df8f3988aea363a41948eabd5ccaac/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-04-16 02:14:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
13 of 47 (27.66%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tc45zh23j42jplayhtvwnf4esyln7dzzrcxkgy5edfeovpk4zkwa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
04df6344497e9d1c321f32b61df87db549d179c6c66c3bf0b2cc7f6b1510040d
Formbook
40628d32ef0746f397d0d41b839530eae24d249dd2f414450a8d9dda03741d10
Formbook
4df95b25eba61af4dafea962aece44721deaebbb49cd3636fe3d20f169009d99
Formbook
59376f91fb0637be9672bb23efc91acf2ef949826c74dfb927146f9799eecd08
Formbook
5ec36ac5ba843f29bb0dc75d7d527ab9cee34a681bad704a89fd5ed12cdea337
Formbook
6838e750e4d6b197819aedaeb8e0a183d5fb790da0d6d5e426d99f09bae758d9
Formbook
6bb8fa14bf9c650a67541ffedff2e3f1c055454b90489653c95aa39284d7eb92
Formbook
7c8eea0e649a176edb83fc19998f0e99be49c7bee1ff9090d1be69f614554088
Formbook
8fb2a899e6622a2ddc7989121174bea2b7756f3f56f64f42dc6ef875d19ce919
Formbook
fe76f52577fe9c5922538b01d85757786985d4da97c706763994a7b617574592
Formbook
+ 4'679 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210416-j72qx4rm5j/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Blocklisted process makes network request
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.healthpro.info/hwad/
Unpacked files
SH256 hash:
0896a11742129b72cdb6a03278bdd8e127f635372f68e835b8c1e71d07553fc2
MD5 hash:
fa23da15b3f7781a7b4a96f62e24018b
SHA1 hash:
46f6a2ca46a63d0dcee392c463b10fb948b172e9
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/498a2e8b-c070-4e6d-a15a-11e9617ac736/
Parent samples :
b0b9ffd0ed710a024728122b542d94be4f9473771d16aa560d460f2b4582f4bd
98b9dc9f5b4f3497ac183ceb6697849616df8f3988aea363a41948eabd5ccaac
0ea50e48dd6124b6515f770b643592a3c2a9f6f0be212dd022151adbb26889d4
SH256 hash:
b4b9b72af8440c9805f70e7a15ff2fb305da3fe8170314a037bef26eeaa198d0
MD5 hash:
38c8237be537e1b66c7f10a76d180ce7
SHA1 hash:
45fbf671e90ac4c1132b0a29e79380e390f0381e
Link:
https://www.unpac.me/results/498a2e8b-c070-4e6d-a15a-11e9617ac736/
SH256 hash:
fdccaed76f7279e6b8cc1579dadeed03fa1b8d1adcdfbcac585a68da168366d5
MD5 hash:
8b603b23caf00139206f293eb741a9f0
SHA1 hash:
1cc90aec7ce07b13930fe0c088fe3cd155b3ea07
Link:
https://www.unpac.me/results/498a2e8b-c070-4e6d-a15a-11e9617ac736/
SH256 hash:
98b9dc9f5b4f3497ac183ceb6697849616df8f3988aea363a41948eabd5ccaac
MD5 hash:
7c54922135a9c6b4ea639b20949978b7
SHA1 hash:
4646d44642c0b7f0fb51a494a75a9f9263bf2382
Link:
https://www.unpac.me/results/498a2e8b-c070-4e6d-a15a-11e9617ac736/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/98b9dc9f5b4f3497ac183ceb6697849616df8f3988aea363a41948eabd5ccaac

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

z 55d22d047e7768f4c272a66fc01856d01831339c882d1c739e68e335fb1783d9

Formbook

Executable exe 98b9dc9f5b4f3497ac183ceb6697849616df8f3988aea363a41948eabd5ccaac

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 55d22d047e7768f4c272a66fc01856d01831339c882d1c739e68e335fb1783d9
  
Dropped by
SHA256 0a8b0a71a5b2f67e9ad2f4f08874ff2772290cb4bc588a1e198e1c0a921676e1
Cape
Cape
https://www.capesandbox.com/analysis/135834/

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