MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5193fd07f44ded01330a618e8f1e1d9243171dc5433b1e64bc3ded9e05b0fd8. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
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SHA256 hash: a5193fd07f44ded01330a618e8f1e1d9243171dc5433b1e64bc3ded9e05b0fd8
SHA3-384 hash: 116b43e70b1041c0935f9191339822b01d0057287d8fc9cff87de9d90ad5cbbbf29176b376fe3dabfdf1906b6fed5b4e
SHA1 hash: fab304c76c5cbb7687cfa08321e6f3230848306a
MD5 hash: 4c344871151e494d515a86317ad594af
humanhash: iowa-romeo-mexico-twenty
File name:4c344871151e494d515a86317ad594af.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:560'640 bytes
First seen:2023-11-13 06:52:51 UTC
Last seen:2023-11-13 08:22:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'746 x AgentTesla, 19'627 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:lczhgo4WUXdINjby5lx9Eat9VqwJZgBoFg4xAEbrj27xzZY:AyAklTtvq2ir4xAEWz
Threatray 317 similar samples on MalwareBazaar
TLSH T1CAC4228037FACB67C1EE47FE19D7121907FD91572407F7996ED1A0E86A627004A80FAB
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 00a282a2a282a200 (17 x Formbook, 11 x AgentTesla, 4 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
314
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/458305/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.15479.31133.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6551c7dcb50c95575922b894/reports/19cc8b9a-cdf0-4fef-931e-d7c1eefddbfe/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a5193fd07f44ded01330a618e8f1e1d9243171dc5433b1e64bc3ded9e05b0fd8
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/1a98cec5-fe7b-410f-8348-cb505c0c1b82
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1341551
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
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 domain / URL
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
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: 1341551 Sample: aL1RGq86iP.exe Startdate: 13/11/2023 Architecture: WINDOWS Score: 100 29 www.zenovaa.com 2->29 31 www.toollessassembling.com 2->31 33 10 other IPs or domains 2->33 41 Snort IDS alert for network traffic 2->41 43 Multi AV Scanner detection for domain / URL 2->43 45 Found malware configuration 2->45 47 10 other signatures 2->47 11 aL1RGq86iP.exe 3 2->11         started        signatures3 process4 signatures5 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 14 aL1RGq86iP.exe 11->14         started        17 aL1RGq86iP.exe 11->17         started        process6 signatures7 59 Modifies the context of a thread in another process (thread injection) 14->59 61 Maps a DLL or memory area into another process 14->61 63 Sample uses process hollowing technique 14->63 65 Queues an APC in another process (thread injection) 14->65 19 explorer.exe 40 1 14->19 injected process8 dnsIp9 35 www.polar-tours.com 217.160.0.69, 49725, 80 ONEANDONE-ASBrauerstrasse48DE Germany 19->35 37 www.toollessassembling.com 195.74.38.62, 49720, 80 NET-BINERO-STHLM1SE Sweden 19->37 39 4 other IPs or domains 19->39 22 svchost.exe 12 19->22         started        process10 signatures11 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process12 process13 27 conhost.exe 25->27         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a5193fd07f44ded01330a618e8f1e1d9243171dc5433b1e64bc3ded9e05b0fd8
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a5193fd07f44ded01330a618e8f1e1d9243171dc5433b1e64bc3ded9e05b0fd8/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2023-11-13 06:53:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uumt7ud7itpnaezquymor4pb3esdc4o4kqz3dzslyppntyc3b7ma._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
7fb8142113f69c8ad84a242ce0c6f17125baa756a6a43549d466ea26dbed7709
Formbook
81f680191094ca2497c7798b37b83009157a7201dc0f27839c2860d5eb968fd1
Formbook
9669bb3304a589cfcbd3faca14cfa67aaf2b1bdb5bf61c285292e872c03ba5bf
Formbook
97989a17279bcd8fcfccf4fc1442517ff46eba38c08fa8dc3eac65b114ba8c32
Formbook
a5193fd07f44ded01330a618e8f1e1d9243171dc5433b1e64bc3ded9e05b0fd8
Formbook
cb67fbdadd5b53174e117c296acf0c1b1764a5c3f548b03d2ed9d4ab75aa7c4e
Formbook
cc06328c412ff41125dbceb0bc2838c1cbea24fa2909b7614e08b6546ad77891
Formbook
ccbdd15e650bb5d3bb0e22c96cfb7d03b38b1fcbd7f7c161c87726fa04df6570
Formbook
cd1c9fad93fdc00b3d2b34bb65d84029c5a8529b7eba10b4922b503dca449c74
Formbook
+ 307 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:o5gu rat spyware stealer trojan
Link:
https://tria.ge/reports/231113-hnnc3aba3w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
06a5eaa46cd5ea4f79f56bc97213f30a8f348b3eea97aa46e54f962752bc8fb9
MD5 hash:
3bedfb033cbab1368aedfee7033f9f4a
SHA1 hash:
e37016043d77c05aa1cfed6307b0f4d4ec42dfb6
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/511fb482-188c-4d45-80bf-f9b7ad6d3710/
Parent samples :
e3adb8e74cd21839185ef70b6430c229a34636536412afc08bfbf1b8a610b359
21590f5c7b6ac30d1c7dd02ac222e9803694a2d3b8036875e23ba10943c331d2
9e986879ac645f058d5deb6415cc90f40130a67e3d4263be55dbe1a8ff68ad2d
0b97c43d0eb22c21c8c4be37b6b45a1fd2acc9aa8c2a30012a06c2a0fb23a1f2
87f10102a623e0a9e8f37e044736a264c8948c38685ff5d55750662010e09c5a
98266e6f5d23aad6132b20b3d2a9c3a0bf009eea9935fa9689e9d9ed66acf244
2230b251f4acccb3ec401aa9d70e85a5dc390ba5bcf25a4f11761256d1d18016
4e0083ec0b7eac1f6a517e47fc77f8aa0fe7229dc4f8ad8dc42c170ebc2dd2c1
ccbdd15e650bb5d3bb0e22c96cfb7d03b38b1fcbd7f7c161c87726fa04df6570
97989a17279bcd8fcfccf4fc1442517ff46eba38c08fa8dc3eac65b114ba8c32
6d911bfb01daa6f3acafd3ccb33b432d806c82b2b35c0c3408d822bf8c6b4c00
9669bb3304a589cfcbd3faca14cfa67aaf2b1bdb5bf61c285292e872c03ba5bf
f5fd6d272de7ed1db622c1e3fc51f5ce84338b700b94b7f86564e9f7f3de6b54
a5193fd07f44ded01330a618e8f1e1d9243171dc5433b1e64bc3ded9e05b0fd8
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/511fb482-188c-4d45-80bf-f9b7ad6d3710/
SH256 hash:
93bcbd6aa3fe4b3fea88ea219767714f441d346ed1da8e07f1775249e0153edc
MD5 hash:
dae07d22ba62c4b160004e0ca4429002
SHA1 hash:
ae4d06d237664abef647be348e142be0bf910649
Link:
https://www.unpac.me/results/511fb482-188c-4d45-80bf-f9b7ad6d3710/
SH256 hash:
62757af7ce2dcfe188245dd26d85e233c2ded82311c600c7c8ec83c8c8a071b2
MD5 hash:
804cc8416b7db140f03d251ca3abbf00
SHA1 hash:
1a1160f7db639606a1046b555b08a43035aff960
Link:
https://www.unpac.me/results/511fb482-188c-4d45-80bf-f9b7ad6d3710/
SH256 hash:
a5193fd07f44ded01330a618e8f1e1d9243171dc5433b1e64bc3ded9e05b0fd8
MD5 hash:
4c344871151e494d515a86317ad594af
SHA1 hash:
fab304c76c5cbb7687cfa08321e6f3230848306a
Link:
https://www.unpac.me/results/511fb482-188c-4d45-80bf-f9b7ad6d3710/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a5193fd07f44/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:NET
Create hunting rule
Author:malware-lu
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.

Web download

Formbook

Executable exe a5193fd07f44ded01330a618e8f1e1d9243171dc5433b1e64bc3ded9e05b0fd8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2728088/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/458305/

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