MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be50ecdddf0589ae6dd2b3d8c089ea1382a5ce29053693f12fea2c551c6b379e. 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: 17


Intelligence 17 IOCs YARA 21 File information Comments
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SHA256 hash: be50ecdddf0589ae6dd2b3d8c089ea1382a5ce29053693f12fea2c551c6b379e
SHA3-384 hash: b03a0fb94d827414332bb987376421124bf481a5f1d0fdd924e56bbf3c540dc0b620d02fdf72590aba0e3b1ac0fa753b
SHA1 hash: 89c417ae45d98bdb9a770a2009002bff19c5d326
MD5 hash: afa8536f242b8c42045ee02d03bef4bb
humanhash: carpet-indigo-monkey-illinois
File name:afa8536f242b8c42045ee02d03bef4bb.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:550'912 bytes
First seen:2023-11-26 16:51:25 UTC
Last seen:2023-11-26 18:37:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'603 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:ty8o1EOh1zEPE8l3O5R2f2ptzyzIStHBBij0Y:tFKEO1Au5RdtuzJh00Y
TLSH T162C4234117FEE39EDD2FEEB0825803560B79729860E6FD5D96D370B70A32F108691E26
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 15cce4f4d0d8cc53 (12 x Formbook, 5 x AgentTesla, 3 x RemcosRAT)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
288
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/460353/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.8858.18424.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/656377b46d4756846dc243f0/reports/301d00b3-5cf0-40f9-8c5e-39e0d35851e9/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/be50ecdddf0589ae6dd2b3d8c089ea1382a5ce29053693f12fea2c551c6b379e
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c25e788b-7d46-4690-8563-395a2bb161e9
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1348039
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found 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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
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: 1348039 Sample: 58l8BPvbLr.exe Startdate: 26/11/2023 Architecture: WINDOWS Score: 100 30 www.euel6.xyz 2->30 32 www.visualduuck.com 2->32 34 13 other IPs or domains 2->34 42 Snort IDS alert for network traffic 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 50 9 other signatures 2->50 11 58l8BPvbLr.exe 3 2->11         started        signatures3 48 Performs DNS queries to domains with low reputation 30->48 process4 signatures5 60 Tries to detect virtualization through RDTSC time measurements 11->60 62 Injects a PE file into a foreign processes 11->62 14 58l8BPvbLr.exe 11->14         started        17 58l8BPvbLr.exe 11->17         started        process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 19 explorer.exe 6 1 14->19 injected process8 dnsIp9 36 www.single-moms.net 43.224.155.13, 80 WEST263GO-HKWest263InternationalLimitedHK Singapore 19->36 38 alkemymedia.com 15.197.142.173, 49745, 80 TANDEMUS United States 19->38 40 6 other IPs or domains 19->40 52 System process connects to network (likely due to code injection or exploit) 19->52 23 help.exe 19->23         started        signatures10 process11 signatures12 54 Modifies the context of a thread in another process (thread injection) 23->54 56 Maps a DLL or memory area into another process 23->56 58 Tries to detect virtualization through RDTSC time measurements 23->58 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/be50ecdddf0589ae6dd2b3d8c089ea1382a5ce29053693f12fea2c551c6b379e
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/be50ecdddf0589ae6dd2b3d8c089ea1382a5ce29053693f12fea2c551c6b379e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2023-11-22 06:06:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xziozxo7awe243oswpmmbcpkcobkltrjau3jh4jp5iwfkhdlg6pa._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:o6g2 rat spyware stealer trojan
Link:
https://tria.ge/reports/231126-vdd3vsaf2t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
b6b4c1bf2557e39c7f27e701d918cfed75ef7e91ec20db9231d7a9a5b1334c07
MD5 hash:
e5b3ff28403f788b6edd987572b27042
SHA1 hash:
6baeb28f9767310d00c497d1b7abc28662066303
Detections:
FormBook
Create hunting rule
win_formbook_w0
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win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Formbook
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Link:
https://www.unpac.me/results/93e3b968-9202-4be2-bf42-c61e6b9434c5/
Parent samples :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 hash:
7e5f4605327d14c6a7fb399165112816247dc81d76b6def3945fcf88f3f2c995
MD5 hash:
2645e88532b0b6a7536b436c435afb67
SHA1 hash:
f9ee736f2c60ebf23ac485f5b8b63f05e1c63b49
Link:
https://www.unpac.me/results/93e3b968-9202-4be2-bf42-c61e6b9434c5/
SH256 hash:
797e57bd74a68f7b4808a213f5c319ee4f4b023bc73088175d4393dfee9fe329
MD5 hash:
3c927935fbd608e7628cc2c5ad7d52fd
SHA1 hash:
ee0c880c0614ac960fd641f7d479233584aed1d8
Link:
https://www.unpac.me/results/93e3b968-9202-4be2-bf42-c61e6b9434c5/
SH256 hash:
b2c900a5df76c0acba6def1f9bb35bd04b6431cb699dbf07ffd26141adb67369
MD5 hash:
94adf3b787640910c6923d265be89c36
SHA1 hash:
4de9c26e0ba6ddaa7700bb3d065afd267186a039
Link:
https://www.unpac.me/results/93e3b968-9202-4be2-bf42-c61e6b9434c5/
SH256 hash:
be50ecdddf0589ae6dd2b3d8c089ea1382a5ce29053693f12fea2c551c6b379e
MD5 hash:
afa8536f242b8c42045ee02d03bef4bb
SHA1 hash:
89c417ae45d98bdb9a770a2009002bff19c5d326
Link:
https://www.unpac.me/results/93e3b968-9202-4be2-bf42-c61e6b9434c5/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/be50ecdddf05/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/be50ecdddf0589ae6dd2b3d8c089ea1382a5ce29053693f12fea2c551c6b379e

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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Web download

Formbook

Executable exe be50ecdddf0589ae6dd2b3d8c089ea1382a5ce29053693f12fea2c551c6b379e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2729061/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/460353/

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