MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6554b0a7613034f990e33f388d12b994fdf9cc316359b4f6094b3d089b933163. 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: 6554b0a7613034f990e33f388d12b994fdf9cc316359b4f6094b3d089b933163
SHA3-384 hash: cd310c79b777559c11018047f8ebde09fe3575af5adc73cc10338303c1f7cf35018d5abc97df2cddebda84328d009f28
SHA1 hash: 3da2190804fb0de5b884bc6a5e7c32140f9e2509
MD5 hash: 14c0edf834c3f3f9f5d3d482f86afbff
humanhash: robert-single-maine-crazy
File name:IN00292Q1541104NBOM.exe
Download: download sample
Signature Formbook
File size:486'400 bytes
First seen:2022-03-07 08:49:03 UTC
Last seen:2022-03-07 11:14:05 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 12288:46SGRUcZ644/w1TzsuL91tx6sFYVotqo7CuZ:4HcUed9x6sFYCtq4XZ
Threatray 13'933 similar samples on MalwareBazaar
TLSH T167A4D0497D361EE4E568CB30056E14FCCFD76226935EB2B82C87B06940B0B5B47EAD27
File icon (PE):PE icon
dhash icon 233bbf6de61f1b5c (7 x Formbook, 6 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
198
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
Forced shutdown of a system process
Unauthorized injection to a system process
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 method to dynamically call methods (often used by packers)
.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)
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
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
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 584117 Sample: IN00292Q1541104NBOM.exe Startdate: 07/03/2022 Architecture: WINDOWS Score: 100 31 www.yhs1688.com 2->31 33 www.nametest.info 2->33 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 9 other signatures 2->43 11 IN00292Q1541104NBOM.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\IN00292Q1541104NBOM.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 IN00292Q1541104NBOM.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.syllyl.com 221.231.138.11, 49756, 80 CHINATELECOM-JIANGSU-NANJING-IDCNanjingJiangsuProvince China 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 47 Uses netstat to query active network connections and open ports 18->47 22 NETSTAT.EXE 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 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:
2022-03-07 00:45:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
24 of 27 (88.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Unpacked files
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
f25a3e6de8eaf72f02017fca87c686ba59b0c21e2bb480b8642a90c82d844c1f
MD5 hash:
e4ac9c14bf71180c35bb9a847f1c1604
SHA1 hash:
3ced92d8406cb238b9f381de14b521050c21969a
SH256 hash:
6554b0a7613034f990e33f388d12b994fdf9cc316359b4f6094b3d089b933163
MD5 hash:
14c0edf834c3f3f9f5d3d482f86afbff
SHA1 hash:
3da2190804fb0de5b884bc6a5e7c32140f9e2509
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 6554b0a7613034f990e33f388d12b994fdf9cc316359b4f6094b3d089b933163

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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