MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b01ea964fe231d0b56d71ca6b447a1d51a31530e307227ff44fa8552f86bf3d5. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: b01ea964fe231d0b56d71ca6b447a1d51a31530e307227ff44fa8552f86bf3d5
SHA3-384 hash: a6c97a4052a433f32a0a4a1af042ade38226463e37d7e32558a26251c6a052c8a5f6ec95ea683702f405359be6828e91
SHA1 hash: 99e7cde8be31494e739877882711d5f7ca2794a3
MD5 hash: c8c5be1ddcbab78c1e6445ecb20530a5
humanhash: oscar-romeo-vermont-tennis
File name:5th Hire remittance copy.exe
Download: download sample
Signature Formbook
File size:515'584 bytes
First seen:2022-06-27 08:23:07 UTC
Last seen:2022-06-27 09:20:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:pmPAr/YT5YA89aYmpBWHN6Lw2bSGDHZZ7DyU4z7w8rrR4XmlPrQd6NNGyRUdW9Cy:pmPTYa7acEG/7x4QswmJSi18wt0CV
TLSH T17DB4128047EA6FAED868D37775B20420276D6BF32D47EB6F6249F25205323D0D412AE7
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2f949b1bafab8b0 (18 x AgentTesla, 17 x Loki, 17 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
DNS request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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
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)
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 652723 Sample: 5th Hire remittance copy.exe Startdate: 27/06/2022 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 7 other signatures 2->42 10 5th Hire remittance copy.exe 3 2->10         started        process3 file4 28 C:\Users\...\5th Hire remittance copy.exe.log, ASCII 10->28 dropped 52 Injects a PE file into a foreign processes 10->52 14 5th Hire remittance copy.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Queues an APC in another process (thread injection) 14->58 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.markslaundromat.com 188.114.96.3, 49720, 80 CLOUDFLARENETUS European Union 17->30 32 www.e-zrental.com 44.227.65.245, 80 AMAZON-02US United States 17->32 34 2 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 wscript.exe 17->21         started        signatures10 process11 signatures12 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 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-06-27 06:40:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
21 of 40 (52.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:d89x loader persistence rat spyware stealer suricata trojan
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
System policy modification
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Blocklisted process makes network request
Xloader Payload
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
cc9fac4de0050a3e54160d3dfab9c8636e1b00fb734a536bbe29eda206ac61ca
MD5 hash:
2b1ca85a3532d5eb7ece17f5796b9027
SHA1 hash:
007449addcd6525ec175a5fd1870dbbe7934cf9e
Detections:
win_formbook_g0 win_formbook_auto XLoader
SH256 hash:
0aa8ea56f670ef5041fe87ee1a27b6623c2cf7996ed489214aa076996ca40cac
MD5 hash:
faf84cab64260654988db2f9157f8f89
SHA1 hash:
e1e6ebeaf252c78e74c1355cdefc6a2c52cfab70
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
SH256 hash:
95258532eb243f5790c3a46d9071f35d7e50c7c223c3391d50259011348893f2
MD5 hash:
43eb770215ea939dd8297d2518c729e3
SHA1 hash:
b6e84984b3054e3f038c61a305712be2479f4bde
SH256 hash:
b79be17b4e802024d0a58b21f11071918c26378cbfeca2bd5e84496f583d1f2e
MD5 hash:
fda9f20a40bd8d0ec206d5170caebcb6
SHA1 hash:
7ce75830d0ed7d3510ee5d0cec1be1100c79d28c
SH256 hash:
b01ea964fe231d0b56d71ca6b447a1d51a31530e307227ff44fa8552f86bf3d5
MD5 hash:
c8c5be1ddcbab78c1e6445ecb20530a5
SHA1 hash:
99e7cde8be31494e739877882711d5f7ca2794a3
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
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.

Comments