MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3230e570068c3d5d6d0017a368fd6e5b179eadbfec7a8d5eb9b10308fa22c637. 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: 3230e570068c3d5d6d0017a368fd6e5b179eadbfec7a8d5eb9b10308fa22c637
SHA3-384 hash: adc9e22ad054acd676038602af9414ace0fee5a4dfbd42a5a5d9f4c38e5720b124512acf5a92bff0c8aa06680c8c91f0
SHA1 hash: f33829a093901801d3a35f5c7bdfe5c08ddd4ab6
MD5 hash: bcf7f91a0663e048df762c473c1589ee
humanhash: louisiana-lima-thirteen-colorado
File name:UDFT9203S.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'129'472 bytes
First seen:2022-03-29 04:22:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 24576:ATevBbF8Oc6mbY5dfXDDAlaLeBxDdQPKfd4Xk+skd:ATeZitBYbfXFAxYId4XYk
Threatray 14'723 similar samples on MalwareBazaar
TLSH T13E350185ABA494A0ED7E53F6A471C8304B327C2F6135E61C4ACA3CEB3E773825916357
File icon (PE):PE icon
dhash icon d4c4c4d8ccd4f0c4 (63 x Formbook, 23 x AgentTesla, 8 x RemcosRAT)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/258854/
Detection(s):
SecuriteInfo.com.Trojan.Siggen17.31509.2231.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/624289a71f2042394847d032/reports/8c4c077d-bfa5-4c6b-b33e-09e9be640635/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/e8fbde88-2f98-4eb2-b1df-8ed8df888bd5
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/966321
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Self deletion via cmd delete
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 detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 598812 Sample: UDFT9203S.exe Startdate: 29/03/2022 Architecture: WINDOWS Score: 100 36 Multi AV Scanner detection for domain / URL 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 10 other signatures 2->42 10 UDFT9203S.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\UDFT9203S.exe.log, ASCII 10->30 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 UDFT9203S.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 32 coatweather.com 31.170.164.53, 49830, 80 AS-HOSTINGERLT United States 17->32 34 www.coatweather.com 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 cmd.exe 17->21         started        24 autoconv.exe 17->24         started        signatures10 process11 signatures12 46 Self deletion via cmd delete 21->46 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3230e570068c3d5d6d0017a368fd6e5b179eadbfec7a8d5eb9b10308fa22c637/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-29 04:23:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=giyok4agrq6v23iac6rwr7lolmlz5ln75r5i2xvzwebqr6rcyy3q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2c81b04d9509cf29e05309b84972fa9bf47b34bdf64032ade464fcc55a54a1b8
Formbook
6b9529ef9582e73d4ac7bc63d46bd152a1bc894ce781308b8798ea9689312e60
Formbook
9621e6459dc138fb11bc279b6583fc68eed0db7b284e198c74dda8385db8ce0d
Formbook
9ce095407360621d73c9274fa4c8ada20469de99c13dfa17c546c50516b0e9b0
Formbook
9e3075aeadf4672cd6edfeb02d197a31a05be6330e3d179125c68c9d60893d18
Formbook
c6a3fd36f07d97fb287fbac946ae8b8d12d1fcde36fa87395de79d59f0c3fb77
Formbook
d0d6b8f342215efb1adba27088bb7f6dfe14dd3734612aecf1124b121c3a7cc6
Formbook
d61835164215f1881467e717012874796721d02a9995733190b7d831733754c6
Formbook
de9fdb344c542595de3ddf65357a6982f0085d0f7b42c1de534c3963134c2cb3
Formbook
eabfcd738bc46581870a5671823ed4dda66a507606187b0f2a25a3b0f1fa9720
Formbook
+ 14'713 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ky13 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220329-ezsv5sfehk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
7ef3b8bd3782f639b20371cbbc81e488efa76fc401fc786254830b953b9ac98f
MD5 hash:
0dbc653c405cc7620470520559ea5ba8
SHA1 hash:
8e89713f9312bc28a3dea4df33cd3b9db6dc7e78
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/8995cd2c-5d57-4e0d-8fcf-948987564ea2/
Parent samples :
6c072202b1317248aa9654a34913ddd82a99633f5eb364d41f939bc7bc3b26f0
3230e570068c3d5d6d0017a368fd6e5b179eadbfec7a8d5eb9b10308fa22c637
87945ecb2a81ea654a98c72800f03a4202873f30f58212cdec3d6d577be04d4d
98555514bbd11ff97bc555c553087b857314f4da0488e2235080651ee71a0f0f
13e6fbc0a4ca130a7410f6b3446cc6bb776ff729b43e2fd3c54495885bd2b2b6
SH256 hash:
62d668a021f09b226799b4d13a5b8499574569c44228485eaa880571f54120dc
MD5 hash:
69c9dd6d557e9061c757f9f35380bd1b
SHA1 hash:
faaf7febdd18c17a69f5272f60837421386c2f90
Link:
https://www.unpac.me/results/8995cd2c-5d57-4e0d-8fcf-948987564ea2/
SH256 hash:
25ee45eb7ad60b4527ee476f2f0280a786161a6069d5d24aa1a9734bb8294bd9
MD5 hash:
db81294b8206ad87cbaa4e9c76ac9b1d
SHA1 hash:
e44a101d934f0450f01cff76854c4817934db0f2
Link:
https://www.unpac.me/results/8995cd2c-5d57-4e0d-8fcf-948987564ea2/
SH256 hash:
613b2819d35360cbfe6c94b2b998d1a4998c89f5bdef505e0e158e1288ab684c
MD5 hash:
3096cbaf4b5d40f9c61bf7ce13fde62f
SHA1 hash:
6b3c580e51fd306bfdc2e727ca3bc7805aba4b53
Link:
https://www.unpac.me/results/8995cd2c-5d57-4e0d-8fcf-948987564ea2/
SH256 hash:
3230e570068c3d5d6d0017a368fd6e5b179eadbfec7a8d5eb9b10308fa22c637
MD5 hash:
bcf7f91a0663e048df762c473c1589ee
SHA1 hash:
f33829a093901801d3a35f5c7bdfe5c08ddd4ab6
Link:
https://www.unpac.me/results/8995cd2c-5d57-4e0d-8fcf-948987564ea2/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/3230e570068c/report/overview.html
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/3230e570068c3d5d6d0017a368fd6e5b179eadbfec7a8d5eb9b10308fa22c637

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe 3230e570068c3d5d6d0017a368fd6e5b179eadbfec7a8d5eb9b10308fa22c637

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/258854/

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