MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a49d17874ab1a9d119d30dff24a2d6c053acd6fe40a54cdcf76e9b65c363d0b8. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: a49d17874ab1a9d119d30dff24a2d6c053acd6fe40a54cdcf76e9b65c363d0b8
SHA3-384 hash: 82092525f93077c1405d06192fe1a832563988e9ec9eea48a176144a05052f3db55692e936fae827e09a4ae908c72c01
SHA1 hash: 82e94c59cbfd93c9b474d539e2e9213b099306c0
MD5 hash: b9f388160af3bbdd21c891501c9b0e95
humanhash: colorado-oscar-ohio-pip
File name:request_for_quotation#0116.exe
Download: download sample
Signature Formbook
File size:726'528 bytes
First seen:2022-07-07 19:03:12 UTC
Last seen:2022-07-07 19:17:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'812 x AgentTesla, 19'735 x Formbook, 12'281 x SnakeKeylogger)
ssdeep 12288:ti91DqWjsZ5uEd2iNnG1Z4DltlpbWSiukyiDC8blK4qzruBhwn8jb6jTU9khEzAE:W1D/W5X1wpkkrDZP8n8jb6jTzEz
TLSH T138F41209FF9ADE51D8181676C0C4897203795A46E123F72FAA8B735E6117BF78803B4B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
313
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit 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
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 dnsIp2 2 Behavior Graph ID: 659230 Sample: request_for_quotation#0116.exe Startdate: 07/07/2022 Architecture: WINDOWS Score: 100 31 www.jcmboost.net 2->31 33 www.kgr249p.icu 2->33 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected AntiVM3 2->41 43 7 other signatures 2->43 11 request_for_quotation#0116.exe 3 2->11         started        signatures3 process4 file5 29 C:\...\request_for_quotation#0116.exe.log, ASCII 11->29 dropped 51 Tries to detect virtualization through RDTSC time measurements 11->51 53 Injects a PE file into a foreign processes 11->53 15 request_for_quotation#0116.exe 11->15         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Sample uses process hollowing technique 15->59 61 Queues an APC in another process (thread injection) 15->61 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.jcmboost.net 44.227.76.166, 80 AMAZON-02US United States 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 msiexec.exe 18->22         started        signatures11 process12 signatures13 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-07-07 17:13:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:at36 rat spyware stealer suricata trojan
Behaviour
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
Deletes itself
Formbook payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
5ac3b237b00316f6a62912a72fa6881d8d9461f01c5dcf0e01cb27aa6064e6f0
MD5 hash:
b0b18e96e1bb76f8eee4e39537257455
SHA1 hash:
6b5619d6fd76b3fcdd6873411ccb5473d8171f47
Detections:
win_formbook_g0 win_formbook_auto FormBook
SH256 hash:
8cf96472ece2d1729b7b6039fa3eec2212b371c38655292ac937f79b32799ddb
MD5 hash:
cc27b46fe1ee9084a6f8722530ca4297
SHA1 hash:
e6b697ec68108a74ef28cf82b95249cece4cc583
SH256 hash:
3b59fe180dd50e3f3d4fdcbdd4e7a2d4e3e1c85ae43cb4f3716c4be41e9ec2ae
MD5 hash:
9ea556e333e216a65aa09c102f36004f
SHA1 hash:
814c07f1dc68bd61840384aac3aa8346d9f8148f
SH256 hash:
afff2a5a8f549522d63e553fce37813c54d6cdfa4ac029e3fc496746f1c4882a
MD5 hash:
4c29e03f5e1c61449f7562b150c56bb9
SHA1 hash:
5161167fe0a9266e9bae22231d464b0ec6a61291
SH256 hash:
ca63adf98f716fb562604ea298b595b6d2216c6b1fa0f672c2cca0dba74809e3
MD5 hash:
79a9a02a51ccb4482366cf0be3f3ae16
SHA1 hash:
05fe41fe2d5be1e0c79460365c00631df77b7682
SH256 hash:
a49d17874ab1a9d119d30dff24a2d6c053acd6fe40a54cdcf76e9b65c363d0b8
MD5 hash:
b9f388160af3bbdd21c891501c9b0e95
SHA1 hash:
82e94c59cbfd93c9b474d539e2e9213b099306c0
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.

  
Delivery method
Other

Comments