MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c2073d015c278a0816ca4ae0a19892874782517dd5133a112ca1f57d44f754fb. 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
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SHA256 hash: c2073d015c278a0816ca4ae0a19892874782517dd5133a112ca1f57d44f754fb
SHA3-384 hash: f0de6487473e9d24926542d4b16272246340d200e39a5f4f48de432a4ab1fe3807323c03afa1bea027421d71db22a4b5
SHA1 hash: f8409167b9b3e09f390c28cbcebfbec670af16de
MD5 hash: ba5fa6ee78fe62b57ce7947f6bdb86ff
humanhash: ack-harry-alpha-bluebird
File name:vbc.exe
Download: download sample
Signature Formbook
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File size:794'112 bytes
First seen:2022-08-08 14:07:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:rFxgV2iNq+1MMUOS1BuMU0WthpYCXB4eAwRXIbUDbLDuXk:rFxgV10PqMeQe9IbUDHDl
TLSH T1C4F4BE1BAF147308C9A76AB5EE4BB9A267F71C1D3135D0783E557C4A4AFF301E52202A
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
335
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
vbc.exe
Verdict:
Malicious activity
Analysis date:
2022-08-08 14:07:56 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/22b89155-1449-44da-8cf5-bd7f6a60c9e9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/297153/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62f1193ce64b7f874e82d808/reports/61ea9ccc-e884-4d26-9ddb-8fe188c2e9e6/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/5f866caf-0cf2-4f97-ac8c-b99a60881484
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1047953
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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
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 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: 680447 Sample: vbc.exe Startdate: 08/08/2022 Architecture: WINDOWS Score: 100 27 www.claudianavarro.online 2->27 29 claudianavarro.online 2->29 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected AntiVM3 2->41 43 5 other signatures 2->43 9 vbc.exe 3 2->9         started        signatures3 process4 file5 25 C:\Users\user\AppData\Local\...\vbc.exe.log, ASCII 9->25 dropped 55 Injects a PE file into a foreign processes 9->55 13 vbc.exe 9->13         started        16 vbc.exe 9->16         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 13->57 59 Maps a DLL or memory area into another process 13->59 61 Sample uses process hollowing technique 13->61 63 Queues an APC in another process (thread injection) 13->63 18 explorer.exe 13->18 injected process9 dnsIp10 31 www.funwave.info 103.141.97.24, 49796, 80 VECTANTARTERIANetworksCorporationJP Japan 18->31 33 reprograme-se10x.com 108.167.169.56, 49798, 49799, 80 UNIFIEDLAYER-AS-1US United States 18->33 35 3 other IPs or domains 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 control.exe 13 18->22         started        signatures11 process12 signatures13 47 Tries to steal Mail credentials (via file / registry access) 22->47 49 Tries to harvest and steal browser information (history, passwords, etc) 22->49 51 Deletes itself after installation 22->51 53 2 other signatures 22->53
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/c2073d015c278a0816ca4ae0a19892874782517dd5133a112ca1f57d44f754fb/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-08-08 14:05:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yidt2ak4e6faqfwkjlqkdgesq5dyeul52ujtuejmuh2x2rhxkt5q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/220808-rfjjksdha3/
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
Suspicious use of SetThreadContext
Checks computer location settings
Uses the VBS compiler for execution
Unpacked files
SH256 hash:
ab97239d5f05115059da8c1455ae2e1d96e7d729ab2e5f9149d3dff89ee83fa2
MD5 hash:
dea01757b07b6c1bc2fde02791520bfe
SHA1 hash:
865ca26aaa59b42d2bb9161b94478dc5cd952e1e
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/c9988f5c-4497-406e-a57a-42374726c047/
Parent samples :
c2073d015c278a0816ca4ae0a19892874782517dd5133a112ca1f57d44f754fb
e411d6552e4b6ce07ec6768d38937b30479333d1ae12b4be3049c7706de6a4e7
SH256 hash:
044af6be1b5ad22aad811363a404002e832004ca5d4dbe9cfc93b03e66086a90
MD5 hash:
f7b9f959712b8456fe71b2db8f43aab4
SHA1 hash:
f11c23e6884530acb3e772f1ff5422c28f9c1b96
Link:
https://www.unpac.me/results/c9988f5c-4497-406e-a57a-42374726c047/
SH256 hash:
ca48daa5272001be95703450eca71112e1cdce2e7044062860aa60078ee3a664
MD5 hash:
306dc8f39f79f1fbee21bcd96cfb917c
SHA1 hash:
a6a5eec69bc6235d98e17ce72f612bc240aac896
Link:
https://www.unpac.me/results/c9988f5c-4497-406e-a57a-42374726c047/
SH256 hash:
642d5b8aa52ca35d8386a5b4302aa503d330753426dd950e6c2a47efdbb4b7e2
MD5 hash:
2e85fdecd9837f0895ee6568f97b3cfd
SHA1 hash:
a4df92cf9adfa1c7d26f6d19923cbfa4cbfc596f
Link:
https://www.unpac.me/results/c9988f5c-4497-406e-a57a-42374726c047/
SH256 hash:
8877870976e598252d6c74db2e61a965c8e42591db95c6de5f19112286771bd0
MD5 hash:
916b56552df2516a577559db94aa41b0
SHA1 hash:
04f99be07f389675f35f062e61684c56c883d2d0
Link:
https://www.unpac.me/results/c9988f5c-4497-406e-a57a-42374726c047/
SH256 hash:
c2073d015c278a0816ca4ae0a19892874782517dd5133a112ca1f57d44f754fb
MD5 hash:
ba5fa6ee78fe62b57ce7947f6bdb86ff
SHA1 hash:
f8409167b9b3e09f390c28cbcebfbec670af16de
Link:
https://www.unpac.me/results/c9988f5c-4497-406e-a57a-42374726c047/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/c2073d015c278a0816ca4ae0a19892874782517dd5133a112ca1f57d44f754fb

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/297153/

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