MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44bfa379d0909c03b402dec91beea39690da79d033823b27a55ec04ff36e1368. 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 2 File information Comments

SHA256 hash: 44bfa379d0909c03b402dec91beea39690da79d033823b27a55ec04ff36e1368
SHA3-384 hash: d466b9cde4746385db4e148e3b4b55858d42aa69e310725be4b6d8a6c1f762ce82b7b749e4ffca2b2d68ef76186f8e18
SHA1 hash: c48df5f4e377778f8ecca02b3971bdbd01443fff
MD5 hash: ea078d24104981f1d4cbfaf96f7c64ae
humanhash: zebra-idaho-foxtrot-montana
File name:ea078d24104981f1d4cbfaf96f7c64ae.exe
Download: download sample
Signature Formbook
File size:817'664 bytes
First seen:2022-11-19 07:18:42 UTC
Last seen:2022-11-19 08:37:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:9PxzjZnbCkIDnG3ch9YoyrV1Zrp6Aql2fsCA:7jZnbCkIDnrr/y3L6A+z
Threatray 16'477 similar samples on MalwareBazaar
TLSH T148055AE968936D2EE5B8727D54F1E890CBB34C724EC1AE2541A83DC26D335D3B0529F8
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
TedarikciSiparisi_83613 .xls
Verdict:
Malicious activity
Analysis date:
2022-11-18 22:46:28 UTC
Tags:
macros opendir exploit cve-2017-11882 loader formbook trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Adds a directory exclusion to Windows Defender
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 dropped file
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 dropped file
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
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 749762 Sample: icOtFc9MZL.exe Startdate: 19/11/2022 Architecture: WINDOWS Score: 100 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 Sigma detected: Scheduled temp file as task from temp location 2->58 60 7 other signatures 2->60 8 icOtFc9MZL.exe 7 2->8         started        12 vUTzYyNHEArq.exe 5 2->12         started        process3 file4 40 C:\Users\user\AppData\...\vUTzYyNHEArq.exe, PE32 8->40 dropped 42 C:\Users\...\vUTzYyNHEArq.exe:Zone.Identifier, ASCII 8->42 dropped 44 C:\Users\user\AppData\Local\...\tmp6404.tmp, XML 8->44 dropped 46 C:\Users\user\AppData\...\icOtFc9MZL.exe.log, ASCII 8->46 dropped 70 Uses schtasks.exe or at.exe to add and modify task schedules 8->70 72 Adds a directory exclusion to Windows Defender 8->72 74 Injects a PE file into a foreign processes 8->74 14 icOtFc9MZL.exe 8->14         started        17 powershell.exe 21 8->17         started        19 schtasks.exe 1 8->19         started        76 Multi AV Scanner detection for dropped file 12->76 78 Machine Learning detection for dropped file 12->78 21 vUTzYyNHEArq.exe 12->21         started        23 schtasks.exe 1 12->23         started        signatures5 process6 signatures7 84 Modifies the context of a thread in another process (thread injection) 14->84 86 Maps a DLL or memory area into another process 14->86 88 Sample uses process hollowing technique 14->88 90 Queues an APC in another process (thread injection) 14->90 25 explorer.exe 14->25 injected 29 conhost.exe 17->29         started        31 conhost.exe 19->31         started        33 conhost.exe 23->33         started        process8 dnsIp9 48 hf9blwwuwpx7j8k.live 216.18.208.202, 49699, 80 WEBNXUS United States 25->48 50 natroredirect.natrocdn.com 85.159.66.93, 49700, 49701, 80 CIZGITR Turkey 25->50 52 3 other IPs or domains 25->52 80 System process connects to network (likely due to code injection or exploit) 25->80 82 Performs DNS queries to domains with low reputation 25->82 35 control.exe 13 25->35         started        38 WWAHost.exe 25->38         started        signatures10 process11 signatures12 62 Tries to steal Mail credentials (via file / registry access) 35->62 64 Tries to harvest and steal browser information (history, passwords, etc) 35->64 66 Modifies the context of a thread in another process (thread injection) 35->66 68 Maps a DLL or memory area into another process 35->68
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
Status:
Malicious
First seen:
2022-11-19 00:51:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
20 of 26 (76.92%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:pgnt rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
1dd741e15b6b62895a5a00735ec7f4bdc86a3285f087048a39df8a7fa33a74af
MD5 hash:
8f8b738d3a54b913894665bc2eb9989c
SHA1 hash:
85ad9f68794c4c560e540bf0325eea53a9903f97
SH256 hash:
04f01a69f04390dd144f6051d51e8975845c5b28c1848b6bf237e9be2512ec94
MD5 hash:
7105071d5c5c069cdf77bff7f2c44c77
SHA1 hash:
d911308fa332638a09e4af6832ecdce0d8720c6a
SH256 hash:
ab86cadb1796bd2b59bee184c31f5cddffef13c6a72b7285605c212e1f2d5a87
MD5 hash:
8964ec5b8885a3d431333a0b309d154e
SHA1 hash:
5956dacb9005c96459d1cec203bf03fb26ccd72a
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
SH256 hash:
44bfa379d0909c03b402dec91beea39690da79d033823b27a55ec04ff36e1368
MD5 hash:
ea078d24104981f1d4cbfaf96f7c64ae
SHA1 hash:
c48df5f4e377778f8ecca02b3971bdbd01443fff
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:pe_imphash
Rule name:Skystars_Malware_Imphash
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 44bfa379d0909c03b402dec91beea39690da79d033823b27a55ec04ff36e1368

(this sample)

  
Delivery method
Distributed via web download

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