MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cece430fe47c584014f22676866c0b4328d878aae3856b544bc11a9ae308b90. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 4cece430fe47c584014f22676866c0b4328d878aae3856b544bc11a9ae308b90
SHA3-384 hash: dac248c3fbbc735b2a7d17fcbb29a527c0b164bcc1035f0354a931eede402341ab8f8cfafb7fd7f8a383bf3b41365ae2
SHA1 hash: 5eb54435c52d56ee577c84b6b17518c2aadd93f8
MD5 hash: 2157c6493f6126d3cd077adf842e2515
humanhash: mirror-kilo-sink-sierra
File name:New Inquiry Request For Quotation.exe
Download: download sample
Signature Formbook
File size:696'832 bytes
First seen:2022-09-01 04:38:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:+/LMFu3XDG2blC7+xmxNZwKx6iB9xIfa3FI3shWuov3IMsY76z:+/LxG2RhYxPzafkI3sJovT6z
TLSH T140E4129063A92B16D8F65BF3107E94435B753E62AC81E94E5CD432EE4D32B1CA702F27
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)
File icon (PE):PE icon
dhash icon c0866969696986c0 (7 x Loki, 6 x Formbook, 2 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
281
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching the process to change network settings
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed remcos
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 potential unpacker
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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)
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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 694925 Sample: New Inquiry Request For Quo... Startdate: 01/09/2022 Architecture: WINDOWS Score: 100 29 www.tbwtaobao.org 2->29 33 Malicious sample detected (through community Yara rule) 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Yara detected AntiVM3 2->37 39 6 other signatures 2->39 9 New Inquiry Request For Quotation.exe 3 2->9         started        signatures3 process4 file5 25 New Inquiry Reques...r Quotation.exe.log, ASCII 9->25 dropped 47 Injects a PE file into a foreign processes 9->47 13 New Inquiry Request For Quotation.exe 9->13         started        signatures6 process7 signatures8 49 Modifies the context of a thread in another process (thread injection) 13->49 51 Maps a DLL or memory area into another process 13->51 53 Sample uses process hollowing technique 13->53 55 Queues an APC in another process (thread injection) 13->55 16 explorer.exe 13->16 injected process9 dnsIp10 27 www.injuryrefferalgroup.com 192.187.111.219, 49744, 80 NOCIXUS United States 16->27 31 System process connects to network (likely due to code injection or exploit) 16->31 20 cscript.exe 16->20         started        23 autochk.exe 16->23         started        signatures11 process12 signatures13 41 Deletes itself after installation 20->41 43 Modifies the context of a thread in another process (thread injection) 20->43 45 Maps a DLL or memory area into another process 20->45
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-08-23 02:04:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
44
AV detection:
28 of 41 (68.29%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
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
Unpacked files
SH256 hash:
ceda93fdfce3ad8e4f800d4f2d940d793b68b4b0b254b652bf42e13dbd189ba7
MD5 hash:
786afe844ec1723b635cace747b60efd
SHA1 hash:
fa647a584a7fcad392147a182e3a2435b3ad5bb9
SH256 hash:
9747f8a045a4c81bd0d99c0589b1203fd8e9ee825d1ff94342b55045a3027149
MD5 hash:
55332d0f6718ac8c4c6e371653ad8adc
SHA1 hash:
30f51d32932d07b97c6742eb0016e77737829b96
SH256 hash:
f1ddcb898a8a3da9ac2e4a2cfb01f206cad61c2c50659c4c3388633535b78416
MD5 hash:
3e28b28b1cfe890ed2d1d33aeaa6ccf5
SHA1 hash:
260a50ab3046073f9627979df0524f09800beffe
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
4cece430fe47c584014f22676866c0b4328d878aae3856b544bc11a9ae308b90
MD5 hash:
2157c6493f6126d3cd077adf842e2515
SHA1 hash:
5eb54435c52d56ee577c84b6b17518c2aadd93f8
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.

Malspam

Formbook

Executable exe 4cece430fe47c584014f22676866c0b4328d878aae3856b544bc11a9ae308b90

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments