MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99160f7ca07e18bc3a131520825ab4ce8d2f4c57b63bffc89d8e18d5a7fa25ce. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments

SHA256 hash: 99160f7ca07e18bc3a131520825ab4ce8d2f4c57b63bffc89d8e18d5a7fa25ce
SHA3-384 hash: 80b034c1c9fbe8c6c7ce3bd6d12c5391e913d7fdfed00970b94f60b3da7504966b052b632cad53efcf58204a9f233292
SHA1 hash: 20efe2e5d9b1447fa9810fc6461607d8db6f5c40
MD5 hash: fe13115acb8c1517503b3f68cc4c4970
humanhash: massachusetts-sad-alaska-item
File name:Statement Of Account 2023.exe
Download: download sample
Signature Formbook
File size:1'184'768 bytes
First seen:2023-09-22 14:46:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:8A5ppyChPhZIIncSuBMT8mJD/pi3rXkfxR:F5Dtr35u+T87XK
Threatray 2'641 similar samples on MalwareBazaar
TLSH T1F045E01271EB1D20F276E7740B6CC555C67EB6E522B7730F334C32D995A6A01EB02A72
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter cocaman
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
270
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Statement Of Account 2023.exe
Verdict:
Malicious activity
Analysis date:
2023-09-22 14:48:25 UTC
Tags:
formbook xloader stealer spyware

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
Сreating synchronization primitives
Searching for synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade 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.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1312954 Sample: Statement_Of_Account_2023.exe Startdate: 22/09/2023 Architecture: WINDOWS Score: 100 31 www.ymjblnvo.cfd 2->31 33 www.witheres.shop 2->33 35 12 other IPs or domains 2->35 51 Snort IDS alert for network traffic 2->51 53 Multi AV Scanner detection for domain / URL 2->53 55 Found malware configuration 2->55 57 12 other signatures 2->57 12 Statement_Of_Account_2023.exe 3 2->12         started        signatures3 process4 signatures5 67 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->67 69 Tries to detect virtualization through RDTSC time measurements 12->69 71 Injects a PE file into a foreign processes 12->71 15 Statement_Of_Account_2023.exe 2 12->15         started        process6 process7 17 Statement_Of_Account_2023.exe 15->17         started        signatures8 43 Modifies the context of a thread in another process (thread injection) 17->43 45 Maps a DLL or memory area into another process 17->45 47 Sample uses process hollowing technique 17->47 49 Queues an APC in another process (thread injection) 17->49 20 explorer.exe 9 1 17->20 injected process9 dnsIp10 37 ha-ppy.happy-sljfs-iiuiuwoe.com 154.83.31.15, 49718, 80 RBNETRBNETCoLtdJP Seychelles 20->37 39 name.shoplazza.store 104.18.233.42, 49716, 80 CLOUDFLARENETUS United States 20->39 41 3 other IPs or domains 20->41 59 Uses ipconfig to lookup or modify the Windows network settings 20->59 24 ipconfig.exe 20->24         started        signatures11 process12 signatures13 61 Modifies the context of a thread in another process (thread injection) 24->61 63 Maps a DLL or memory area into another process 24->63 65 Tries to detect virtualization through RDTSC time measurements 24->65 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-09-22 02:46:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:sn26 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
57d06b57605109335f41e7529a275a14155c39bd74c54049dfcdfa8a5756c09a
MD5 hash:
612b19e1ed04b4a8f442939324963a63
SHA1 hash:
5f12391109b022d1017312892ff95a7b751afa37
Detections:
win_formbook_auto win_formbook_g0
SH256 hash:
6c8f7c4a3d4eaa44cb1dcb8aac31cb540d46cc2a381f6c882ed6755cf823788f
MD5 hash:
52874692abbb7b0412e675e3c507d31d
SHA1 hash:
cbeb5236f71a3a8bc1e6fda5c42ffa1354d8fff7
SH256 hash:
6b6f0d0008346e351a105a7839d85b9aaae5b3c957c28618dcbc347c5c9db77f
MD5 hash:
fc82262057015206c59954e04996f8ac
SHA1 hash:
8650746ca799d0bc8020a5383b03b3d747ee889b
SH256 hash:
13ffcce42e89356a96974f33c851ec3af56a7462ab5f6cca9b0032088a6801dd
MD5 hash:
e3a66c807e9e7992b5e6a42e38ce195d
SHA1 hash:
76fce738471963443f395884952112c48035b564
SH256 hash:
3d3241994ee7fbe52598a507283c73eb464a2471c9ecb5a8720efeca5779d202
MD5 hash:
97dd53d57a44f26b919fc753d0f05500
SHA1 hash:
4c9829dc3d26da337882c373e51a196583762635
SH256 hash:
99160f7ca07e18bc3a131520825ab4ce8d2f4c57b63bffc89d8e18d5a7fa25ce
MD5 hash:
fe13115acb8c1517503b3f68cc4c4970
SHA1 hash:
20efe2e5d9b1447fa9810fc6461607d8db6f5c40
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:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
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.

Malspam

Formbook

Executable exe 99160f7ca07e18bc3a131520825ab4ce8d2f4c57b63bffc89d8e18d5a7fa25ce

(this sample)

Comments