MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40ed94480e803c385fd0def0efcba1c9f5e6e52056a5793fdac140066a410eb2. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
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SHA256 hash: 40ed94480e803c385fd0def0efcba1c9f5e6e52056a5793fdac140066a410eb2
SHA3-384 hash: 2bee6faf69a467b37a7f2e58d4df63ab7673fa78cf762f67d47ad337e4939c45e3dcd84fd7aebff69f545e762129e1e0
SHA1 hash: 46ef8e1d17b9b7743a025d9e08fc357fd0c0abe4
MD5 hash: 02a99e9171b3118afeddaa1e051ce765
humanhash: xray-victor-india-skylark
File name:vbc.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:558'592 bytes
First seen:2022-07-05 14:31:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:V0AWDK3EbhPK6TYGBOeu3zv91KFe81CoXLTOrjyA:V0NBhK6cGsTTPKcKwrjy
TLSH T14FC40259BAE3DD66C5641637C4F0406013BAA3975513F72FB0CEB2760A233EA8DD26C9
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon b2f949b1bafab8b0 (18 x AgentTesla, 17 x Loki, 17 x Formbook)
Reporter madjack_red
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
6c42aad4d541e894cad3635f39c49751e6e3a0971989a1ec716c6555746f6813.zip
Verdict:
Malicious activity
Analysis date:
2022-06-27 17:39:37 UTC
Tags:
encrypted opendir trojan exploit CVE-2017-11882 loader formbook stealer
Link:
https://app.any.run/tasks/0ff703dd-a507-440d-8d26-e23bf8da3f5a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Dropper.Nanocore-9954303-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook greyware nanocore packed
Link:
https://www.filescan.io/uploads/62c44ba06ee6df015bbaf123/reports/bfd1d6e6-291b-4af2-8078-b53625d6300d/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c159a3df-fbc6-4ba0-b294-47ac3c63442e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1024895
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/40ed94480e803c385fd0def0efcba1c9f5e6e52056a5793fdac140066a410eb2/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-06-27 22:57:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=idwzisaoqa6dqx6q33yo7s5bzh26nzjak2sxsp62yfaam2sbb2za._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:p63n rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220705-rv9z3scaf4/
Behaviour
Enumerates system info in registry
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
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
a92be2fb1c5ac64805e26f267bc2d4290634f742a8737f510ce47905109ceac9
MD5 hash:
6acffe97f6033de7c2d29886966ff129
SHA1 hash:
a07d70ca61e7d17d463b940af6a4eaad8e320022
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
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FormBook
Create hunting rule
Link:
https://www.unpac.me/results/5d4d4bd9-1239-4f25-8eb2-384df7e2c727/
Parent samples :
9a6cce3879d0a6097959ba0bdb3d0b05c5b5e625d7c5624a35ddaed455d5af64
ffdb15bbf45a762c112e2e4a642ca9415e9e9b3a7e04319e69242792e27f6ce7
0bf82ae7d8ed992fd02d696ac9e330f2b4a5f6eb082f29e2a99ceeff831eaa4b
97455ea051858a658c46bfab848532f3ead49260621d2326d82bca0a7ea6d72b
40ed94480e803c385fd0def0efcba1c9f5e6e52056a5793fdac140066a410eb2
6e294639b9e9dec345a4b9bdeb29bd5695ea2d84e0fa88633ece9e7e88ad2bb4
8aa19f667123d092441538094fe3d6bda467a6a12ce60ba3b8ef9a17f5c185b3
31e1689f5f0b5e52bca7bcb63aaa565c4e3239ac16386bef523365b1fc24f306
5c60ec93028885f6319a52ad6ae0d4eaa08cec6a82cf8c7c62d7a060341a77a8
SH256 hash:
0aa8ea56f670ef5041fe87ee1a27b6623c2cf7996ed489214aa076996ca40cac
MD5 hash:
faf84cab64260654988db2f9157f8f89
SHA1 hash:
e1e6ebeaf252c78e74c1355cdefc6a2c52cfab70
Link:
https://www.unpac.me/results/5d4d4bd9-1239-4f25-8eb2-384df7e2c727/
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
Link:
https://www.unpac.me/results/5d4d4bd9-1239-4f25-8eb2-384df7e2c727/
SH256 hash:
8bff5c8a56aa53282bd40337f25c37e8f08fb0db8fe808a84b9064f39de7adee
MD5 hash:
83b2c97f8b3e413dc515ac24d9f3ef9f
SHA1 hash:
45bfaf9b0dedea0e911535819847f8a856ee495c
Link:
https://www.unpac.me/results/5d4d4bd9-1239-4f25-8eb2-384df7e2c727/
SH256 hash:
f61346231b13fdff41ad27e5b83fe229652faa2255b04519775fb78d898c95e0
MD5 hash:
7b907b6ac002597cc7bf52d54d41ef46
SHA1 hash:
1e76d0c4b5c9c5f7227a463f2598a779ad4af875
Link:
https://www.unpac.me/results/5d4d4bd9-1239-4f25-8eb2-384df7e2c727/
SH256 hash:
40ed94480e803c385fd0def0efcba1c9f5e6e52056a5793fdac140066a410eb2
MD5 hash:
02a99e9171b3118afeddaa1e051ce765
SHA1 hash:
46ef8e1d17b9b7743a025d9e08fc357fd0c0abe4
Link:
https://www.unpac.me/results/5d4d4bd9-1239-4f25-8eb2-384df7e2c727/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/40ed94480e80/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/40ed94480e803c385fd0def0efcba1c9f5e6e52056a5793fdac140066a410eb2

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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:meth_get_eip
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

File information

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

Comments