MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f78b3fe415cb88dfb0537659f2a8fe93bfd47282bc7df0994ef3f6a86e440b3. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments
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SHA256 hash: 2f78b3fe415cb88dfb0537659f2a8fe93bfd47282bc7df0994ef3f6a86e440b3
SHA3-384 hash: 586a1880f881dd65cf8e3647f3f7944eb270383ba42ffc4a120a429ff933211c298519f7f28e1723389064d1502785c9
SHA1 hash: 60055327b0f7288cac4b3df8fda46f63a4f7fcdd
MD5 hash: d9b7a393c95ae97707d02e75b4868004
humanhash: delta-magazine-moon-salami
File name:2f78b3fe415cb88dfb0537659f2a8fe93bfd47282bc7df0994ef3f6a86e440b3
Download: download sample
Signature Formbook
Create hunting rule
File size:1'104'896 bytes
First seen:2022-10-10 12:57:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:fqbo13JTFaQ06CL5gfOhKPAb2DYgHdXJN:fq0bx09L2OEPlh
TLSH T13F35F1262AEA8F07D12E66BC90D1D2F693A9DC10B163C3D75FC66C5FF08B6718621352
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/318409/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
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SecuriteInfo.com.Trojan.PackedNET.389.UNOFFICIAL
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Win.Dropper.LokiBot-9971787-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/634416daf70d3755bbbf89ce/reports/9ff7b62d-cd3d-4347-85aa-cf5f795211e1/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e75810b2-5e2b-431d-b832-f16edfefd21b
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1087309
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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 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
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: 719887 Sample: ausCVCR92K.exe Startdate: 11/10/2022 Architecture: WINDOWS Score: 100 31 www.purebeautysolutions.org 2->31 33 purebeautysolutions.org 2->33 37 Snort IDS alert for network traffic 2->37 39 Multi AV Scanner detection for domain / URL 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 8 other signatures 2->43 9 ausCVCR92K.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\user\AppData\...\ausCVCR92K.exe.log, ASCII 9->23 dropped 53 Injects a PE file into a foreign processes 9->53 13 ausCVCR92K.exe 9->13         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 13->55 57 Maps a DLL or memory area into another process 13->57 59 Sample uses process hollowing technique 13->59 61 Queues an APC in another process (thread injection) 13->61 16 explorer.exe 13->16 injected process9 dnsIp10 25 www.stocktecnovisioncr.com 104.21.65.35, 49727, 80 CLOUDFLARENETUS United States 16->25 27 www.minneapolisuniversity.com 185.83.214.222, 49728, 49729, 49734 ANONYMIZEEpikNetworkCH Portugal 16->27 29 192.168.2.1 unknown unknown 16->29 35 System process connects to network (likely due to code injection or exploit) 16->35 20 help.exe 13 16->20         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 20->45 47 Tries to harvest and steal browser information (history, passwords, etc) 20->47 49 Deletes itself after installation 20->49 51 2 other signatures 20->51
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/2f78b3fe415cb88dfb0537659f2a8fe93bfd47282bc7df0994ef3f6a86e440b3/
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
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Status:
Malicious
First seen:
2022-09-27 07:10:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
25 of 26 (96.15%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f54lh7sbls4i36yfg5sz6kup5e572rzifpd56cmu547wvbxeiczq._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:4nfu rat spyware stealer trojan
Link:
https://tria.ge/reports/221010-p7g4qacagm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/fb2addb1-7d22-4780-bec6-b84e486a1d4e
Unpacked files
SH256 hash:
f2c4c107143ce97ec7c35074e04887eec5f68aaf646291269edd5072205d707a
MD5 hash:
02407687c7103ba650d7d030bf7235bd
SHA1 hash:
beacccc5becc5b62690f0400de76441561980962
Detections:
XLoader
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/2f76ce47-b90a-41cc-ac95-3bbc1df522b3/
SH256 hash:
435889eb43f0361b68ad01c0e1858b9c1cc73f0da6982572e05cc7e7e31a7333
MD5 hash:
f58e80124520452df783166df54a953b
SHA1 hash:
8b8cc4143cdfb4efe676052d855e9571d9761bd7
Link:
https://www.unpac.me/results/2f76ce47-b90a-41cc-ac95-3bbc1df522b3/
SH256 hash:
f8f4d1395b04677527749dcec9b74743fe62f41e7060a82f92b2e51559ce216a
MD5 hash:
1b01091d55687fb210e94af34023f508
SHA1 hash:
a4d357c05adf3636a644aeb03888cd3ce5f80d05
Link:
https://www.unpac.me/results/2f76ce47-b90a-41cc-ac95-3bbc1df522b3/
SH256 hash:
2470b39032f6182252039c88199016566b0de30c6aa02163a143427afedd12af
MD5 hash:
c3a1924684ca30ed22234ce1d9111dfc
SHA1 hash:
7347706241422758c06440fd6044ae4e042b456b
Link:
https://www.unpac.me/results/2f76ce47-b90a-41cc-ac95-3bbc1df522b3/
SH256 hash:
3cf58cf324f7ee0381c1633af4fa26cbfde6e2272f6ec19b24c833e691e60008
MD5 hash:
6d5e83d9bda2e4c5df6695f33caddca4
SHA1 hash:
46e610a846ed18dbcb3a6afec3e8a3b86806e59a
Link:
https://www.unpac.me/results/2f76ce47-b90a-41cc-ac95-3bbc1df522b3/
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
Link:
https://www.unpac.me/results/2f76ce47-b90a-41cc-ac95-3bbc1df522b3/
SH256 hash:
2f78b3fe415cb88dfb0537659f2a8fe93bfd47282bc7df0994ef3f6a86e440b3
MD5 hash:
d9b7a393c95ae97707d02e75b4868004
SHA1 hash:
60055327b0f7288cac4b3df8fda46f63a4f7fcdd
Link:
https://www.unpac.me/results/2f76ce47-b90a-41cc-ac95-3bbc1df522b3/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/2f78b3fe415cb88dfb0537659f2a8fe93bfd47282bc7df0994ef3f6a86e440b3

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
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Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:meth_get_eip
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Author:Willi Ballenthin
Rule name:pe_imphash
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Rule name:RansomwareTest4
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest5
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Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest7
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Author:Daoyuan Wu
Description:Test Ransomware YARA rules
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.

Cape
Cape
https://www.capesandbox.com/analysis/318409/

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