MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c4498328cef0faaab309c43e2b0122dd33164c9cadeae33f47d3a348d1bcb8c. 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: 7c4498328cef0faaab309c43e2b0122dd33164c9cadeae33f47d3a348d1bcb8c
SHA3-384 hash: 3c00e5d915cc0d96aa7717005792e022eabfcf53fec0d56a901cc7715d65d702830249ec528a3e7608cecb9a3055d73d
SHA1 hash: 51099ae2efd1c4273aa82a8b497c6caa0010fc8f
MD5 hash: 0808b68d09cd655fffd75fa7ff512cdd
humanhash: glucose-cold-single-green
File name:Payment_INVC 4894983swift_845595488.exe
Download: download sample
Signature Formbook
File size:1'102'848 bytes
First seen:2022-03-28 06:18:08 UTC
Last seen:2022-03-28 06:53:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:apX3hMap5/5L5GMtLW5QlppvA5VKP38Wq0GG:ght5/ZpxlppvsKP3Q0z
Threatray 13'954 similar samples on MalwareBazaar
TLSH T12235F10236E05B95D07A53B6CC6844DC07717E096E7DD20F2DD276CF1AB1B818A2AF9B
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe explorer.exe findstr.exe greyware obfuscated packed replace.exe shell32.dll update.exe
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
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 598007 Sample: Payment_INVC 4894983swift_8... Startdate: 28/03/2022 Architecture: WINDOWS Score: 100 30 www.nidoumenojinsei.online 2->30 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 9 other signatures 2->46 11 Payment_INVC 4894983swift_845595488.exe 3 2->11         started        14 explorer.exe 44 2->14         started        signatures3 process4 file5 28 Payment_INVC 48949...t_845595488.exe.log, ASCII 11->28 dropped 16 Payment_INVC 4894983swift_845595488.exe 11->16         started        process6 signatures7 32 Modifies the context of a thread in another process (thread injection) 16->32 34 Maps a DLL or memory area into another process 16->34 36 Sample uses process hollowing technique 16->36 38 Queues an APC in another process (thread injection) 16->38 19 explorer.exe 16->19 injected process8 process9 21 explorer.exe 19->21         started        signatures10 48 Self deletion via cmd delete 21->48 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process11 process12 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-28 06:20:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
74
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:inga loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
40c79c1389c65d04c9cb312c8289809ce29b608ac012a0340d47f3a38e605008
MD5 hash:
8f0fb0965ae5a62713154a5108c02b70
SHA1 hash:
5407d0e0646e663d9b0dc43804618cab796ac671
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
2e78176e22e8895174ac60f99fa25623d507d3841c9da404e420e3fe782c2298
MD5 hash:
6ee4b1f963dee83731e2dba1f3e25e47
SHA1 hash:
bfee1ac43b35b2f1c617f8f198810bc51c65ccdd
SH256 hash:
613b2819d35360cbfe6c94b2b998d1a4998c89f5bdef505e0e158e1288ab684c
MD5 hash:
3096cbaf4b5d40f9c61bf7ce13fde62f
SHA1 hash:
6b3c580e51fd306bfdc2e727ca3bc7805aba4b53
SH256 hash:
9a3508e331add3e99a5370aeb8bd1804dafad33deb653a2820ea3221865a0e1f
MD5 hash:
5dc3af15b92fc48c58317cc4f4ea44ef
SHA1 hash:
18f8438016a134446ea03848acb972548bb00f1b
SH256 hash:
7c4498328cef0faaab309c43e2b0122dd33164c9cadeae33f47d3a348d1bcb8c
MD5 hash:
0808b68d09cd655fffd75fa7ff512cdd
SHA1 hash:
51099ae2efd1c4273aa82a8b497c6caa0010fc8f
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 7c4498328cef0faaab309c43e2b0122dd33164c9cadeae33f47d3a348d1bcb8c

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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