MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 663ec89a94f78d665675cd9e092942bf0560665f0653bbfceccb3929c27fe2f7. 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: 663ec89a94f78d665675cd9e092942bf0560665f0653bbfceccb3929c27fe2f7
SHA3-384 hash: c4944f52d352597f5d64bddc1ef8882694a957d1bc8ef8329bccfb485c98814692cc9f57e92fc3dc7a6108e4ee9c2a2c
SHA1 hash: 53ac6dabcdc5cf432483c948e26613d1aa6d06c7
MD5 hash: e99f946b8fc286d99dc6472639bb7171
humanhash: mango-pasta-foxtrot-november
File name:hO4IvKE1VMhPi4X.exe
Download: download sample
Signature Formbook
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File size:931'840 bytes
First seen:2023-01-16 07:49:17 UTC
Last seen:2023-01-23 09:08:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:lwPDJIb3ewHdqoXpDDLQaG5ROj1s+Ybrn/2FoPk:6PDJIb/1LQ3jOjLYP/EoPk
TLSH T13315BEE1069DC6D5E8E60E38062C3D1467999C97837DA17EBEC7247B84F678F40783A2
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)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
179
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
hO4IvKE1VMhPi4X.exe
Verdict:
Malicious activity
Analysis date:
2023-01-16 07:49:42 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/137a3083-76b3-4236-9d5c-0ddce9bde97f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/353305/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen3.25333.6210.32073.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
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63c501adfdb747329962bbb2/reports/9d2bc70d-cfb0-4f5a-8062-26d6bc7e4985/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/5d03e76f-4100-4ef9-a73c-0f20b04389a5
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1152196
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in 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)
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 signatures2 2 Behavior Graph ID: 784928 Sample: hO4IvKE1VMhPi4X.exe Startdate: 16/01/2023 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 7 other signatures 2->38 8 hO4IvKE1VMhPi4X.exe 3 2->8         started        process3 file4 24 C:\Users\user\...\hO4IvKE1VMhPi4X.exe.log, ASCII 8->24 dropped 50 Injects a PE file into a foreign processes 8->50 12 hO4IvKE1VMhPi4X.exe 8->12         started        15 hO4IvKE1VMhPi4X.exe 8->15         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 12->52 54 Maps a DLL or memory area into another process 12->54 56 Sample uses process hollowing technique 12->56 58 Queues an APC in another process (thread injection) 12->58 17 explorer.exe 2 6 12->17 injected process8 dnsIp9 26 www.iaaconsultants.com 156.254.170.153, 49723, 49724, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 17->26 28 www.lgcypowernc.com 74.220.199.6, 49718, 80 UNIFIEDLAYER-AS-1US United States 17->28 30 2 other IPs or domains 17->30 40 System process connects to network (likely due to code injection or exploit) 17->40 21 help.exe 13 17->21         started        signatures10 process11 signatures12 42 Tries to steal Mail credentials (via file / registry access) 21->42 44 Tries to harvest and steal browser information (history, passwords, etc) 21->44 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/663ec89a94f78d665675cd9e092942bf0560665f0653bbfceccb3929c27fe2f7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2023-01-16 03:25:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=my7mrguu66gwmvtvzwpaskkcx4cwazs7azj3x7hmzm4stqt74l3q._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:g44n rat spyware stealer trojan
Link:
https://tria.ge/reports/230116-jn9rqsbg39/
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
Loads dropped DLL
Formbook
Unpacked files
SH256 hash:
e7242ae1cd799ea3200b7705221fdddd8abf588e87215a28057e02135bf547ad
MD5 hash:
6b1c0c833df93681eafdcf57072e8075
SHA1 hash:
5081196e5fd1e90c7564ce07096baf4668bbc3fc
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/8e4fcc3f-9384-4d7c-9b6b-214857f6bf91/
Parent samples :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 hash:
59bcd4203167ab824809004c0f4030f58acbd7c4f382b6e2d5f0c5695a71e170
MD5 hash:
3820d6b49c5470a173913d3933e38cff
SHA1 hash:
563a66c1ccd79d751de8b717f050300bdbf776db
Link:
https://www.unpac.me/results/8e4fcc3f-9384-4d7c-9b6b-214857f6bf91/
SH256 hash:
044c39b28ed124d42ad5c5c11dcc836dfb6a0662185843800c8a6e2ebdf645a0
MD5 hash:
97d554bf476c2abd8b1c6ac4f1f3b4f5
SHA1 hash:
f9382b9354d7c8eee716d29f695a8b858d1c8b71
Link:
https://www.unpac.me/results/8e4fcc3f-9384-4d7c-9b6b-214857f6bf91/
SH256 hash:
dc0c82f29030f8043935c26d3803c7de16f160efa88b3fb2e9830a0727aca825
MD5 hash:
6ff11b148fd870567cc22b9c8d66971f
SHA1 hash:
7cc5dc7b157789c3d8d08da85bae5f2abd69bbbe
Link:
https://www.unpac.me/results/8e4fcc3f-9384-4d7c-9b6b-214857f6bf91/
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
Link:
https://www.unpac.me/results/8e4fcc3f-9384-4d7c-9b6b-214857f6bf91/
SH256 hash:
37a63d80b500c4c7c9f743f771551453fcc034e8a4f95b90af339400e98b3ed1
MD5 hash:
f130c77e7fef7c5250771450ef690ec5
SHA1 hash:
0598b7c107fdf5e4deafa2d25effa7cd4207f92c
Link:
https://www.unpac.me/results/8e4fcc3f-9384-4d7c-9b6b-214857f6bf91/
SH256 hash:
663ec89a94f78d665675cd9e092942bf0560665f0653bbfceccb3929c27fe2f7
MD5 hash:
e99f946b8fc286d99dc6472639bb7171
SHA1 hash:
53ac6dabcdc5cf432483c948e26613d1aa6d06c7
Link:
https://www.unpac.me/results/8e4fcc3f-9384-4d7c-9b6b-214857f6bf91/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/663ec89a94f7/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/663ec89a94f78d665675cd9e092942bf0560665f0653bbfceccb3929c27fe2f7

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
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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.

Malspam

Formbook

Executable exe 663ec89a94f78d665675cd9e092942bf0560665f0653bbfceccb3929c27fe2f7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/353305/

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