MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b506bb786b2b45d252f9886ad94e63cb60b60544dade0680b096f80c84cada7a. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b506bb786b2b45d252f9886ad94e63cb60b60544dade0680b096f80c84cada7a
SHA3-384 hash: 2a99909fc1d9508c68b321c882786e460478f8523e640841e182db9b76187212ab208b925b26d54e0c1f4ff4f784b1e1
SHA1 hash: 11a89d02e31a429b48295da8cd1c760a7ceae38d
MD5 hash: d8135073743eead59a3ecde61bf051ca
humanhash: oregon-lamp-beryllium-eighteen
File name:invoice.lzh
Download: download sample
Signature Formbook
Create hunting rule
File size:543'232 bytes
First seen:2021-07-23 09:36:43 UTC
Last seen:2021-07-23 11:10:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:iGssB4caFte12Du0IxzNztw3XG5irOBFh78l3GCxanv06ESno1YEk9:NssBytc2FIxhhl4rO978l2Cxanv06MY
Threatray 1'517 similar samples on MalwareBazaar
TLSH T10DC4F1487254EA9FC55FCEBBD9506C61AB3074AB0307E383AC8721DC944F789CE526A7
Reporter abuse_ch
Tags:exe FormBook lzh

Intelligence

File Origin
# of uploads :
2
# of downloads :
152
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
invoice.lzh
Verdict:
Malicious activity
Analysis date:
2021-07-23 10:14:18 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/cd7c3d50-6a8b-4aa0-8780-2a50a6910971

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/173574/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.949.30855.27308.UNOFFICIAL
Create hunting rule

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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7f612e3d-da09-41ff-bf58-b67e4904f70a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/820673
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 453089 Sample: invoice.lzh Startdate: 23/07/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Multi AV Scanner detection for domain / URL 2->38 40 Found malware configuration 2->40 42 14 other signatures 2->42 10 invoice.exe 6 2->10         started        process3 file4 30 C:\Users\user\AppData\...\HPjuSZknbJLLSG.exe, PE32 10->30 dropped 32 C:\Users\user\AppData\Local\...\tmpA7F3.tmp, XML 10->32 dropped 34 C:\Users\user\AppData\...\invoice.exe.log, ASCII 10->34 dropped 50 Uses schtasks.exe or at.exe to add and modify task schedules 10->50 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 invoice.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 19 explorer.exe 14->19 injected 21 conhost.exe 17->21         started        process8 process9 23 msiexec.exe 19->23         started        signatures10 44 Modifies the context of a thread in another process (thread injection) 23->44 46 Maps a DLL or memory area into another process 23->46 48 Tries to detect virtualization through RDTSC time measurements 23->48 26 cmd.exe 1 23->26         started        process11 process12 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b506bb786b2b45d252f9886ad94e63cb60b60544dade0680b096f80c84cada7a/
Threat name:
ByteCode-MSIL.Trojan.Heracles
Create hunting rule
Status:
Malicious
First seen:
2021-07-23 07:56:06 UTC
AV detection:
16 of 46 (34.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wudlw6dlfnc5euxzrbvnsttdznqlmbke3lpanafqs34azbgk3j5a._file
Verdict:
suspicious
Similar samples:
004068094b6adb0e6548b6334afd2dad79312f09e94e04a1d1206874028bdda0
Formbook
45da49558842bdff38df69e272b354a3315ff4ceeeeca51c6933183f8844c7a9
Formbook
470d8938f9eedf84f9f75a9862f09d98bd0c9d265ede33a2f0983a5c26d17a7f
Formbook
75f51a01e4c2c9662dfbb21c0094b8cbef4823f6919c816c04efef2e25678d76
Formbook
8672ba701720e57a66c19ad19bd9ce4ccd81f6e9fe35dc3ae21408c94e06bbf9
Formbook
8de030ae0ce859c64d84c14d30e0f89346851e5d84c540d81aa17a7b534f3bfb
Formbook
c59d79d86f4d301a0d7c94df257fb8ab803bc69517bc6642e5d6ad4410a7a8bb
Formbook
dd7c1c609857ba8705a55abc0e35b32837c3b31310eaa4a7d43ee1c585ddfb79
Formbook
ee0479db2b4051353c55120941191f243e4ed47d037d3fe44f179529b6882a7b
Formbook
+ 1'507 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210723-pehczhldy6/
Behaviour
Creates scheduled task(s)
Gathers network information
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
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.knighttechinca.com/dxe/
Unpacked files
SH256 hash:
82b76cb52e7135143e7e19e257d5eee8716e202521d37ec995ff5881d984bad3
MD5 hash:
83fe55a4dd78d4231a62124159d77652
SHA1 hash:
8f63071ec33d77fd671572fdd7f17a14b5fee00e
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/5765c9ed-95bf-47ef-96af-68ae2019f5bf/
Parent samples :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 hash:
c362729899c5956cfa9fc3bcf9b21ac72066a1b84a497ceb1281f76e2f55c54b
MD5 hash:
0327d1374a5ce015ad9c83c5de76e823
SHA1 hash:
e521349d9e96a4191248747c42c78b6f88fc8f63
Link:
https://www.unpac.me/results/5765c9ed-95bf-47ef-96af-68ae2019f5bf/
SH256 hash:
be203c2eb70689c966d427d01874e7fdece6514bc126c58a501105bb92331586
MD5 hash:
c90b1d137846789b447cc0d4d28fd922
SHA1 hash:
4963a59d65481f6431b98bc744119c527b15c5db
Link:
https://www.unpac.me/results/5765c9ed-95bf-47ef-96af-68ae2019f5bf/
SH256 hash:
b506bb786b2b45d252f9886ad94e63cb60b60544dade0680b096f80c84cada7a
MD5 hash:
d8135073743eead59a3ecde61bf051ca
SHA1 hash:
11a89d02e31a429b48295da8cd1c760a7ceae38d
Link:
https://www.unpac.me/results/5765c9ed-95bf-47ef-96af-68ae2019f5bf/
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/b506bb786b2b45d252f9886ad94e63cb60b60544dade0680b096f80c84cada7a

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.

Cape
Cape
https://www.capesandbox.com/analysis/173574/

Comments