MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9dd418e3e0b939a80d00d578f63ad16004cc92646b3398ca9527c6063df0c69c. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: 9dd418e3e0b939a80d00d578f63ad16004cc92646b3398ca9527c6063df0c69c
SHA3-384 hash: d1ea1f37579297e06f0dffeb1402bdcfd6337f354fd074c59b24415edf8639f0f2104de4e84d3a436bb729a036d8d341
SHA1 hash: 880f3410a79f6cc393459fdb4a1b750c86a3ff7b
MD5 hash: 4c378ccf1107a2b0a83969443a351f88
humanhash: lion-texas-don-uncle
File name:Purchase Order.pdf.exe
Download: download sample
Signature Formbook
File size:581'632 bytes
First seen:2022-04-27 06:07:23 UTC
Last seen:2022-04-27 10:08:51 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 12288:yZhgi0Yq7rxLWJeS8yM7RB0tu/jKRbWzc:6e1Q/M7RB0tuOVF
Threatray 15'145 similar samples on MalwareBazaar
TLSH T157C40230B7DC8F5ACAFB57B9B474410047F6A70AB242FB5F8DD0B0EA0956B924621397
TrID 49.6% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
21.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.9% (.SCR) Windows screen saver (13101/52/3)
7.1% (.EXE) Win64 Executable (generic) (10523/12/4)
4.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon 69dca0e8e8e0c448 (22 x AgentTesla, 8 x SnakeKeylogger, 6 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
3
# of downloads :
270
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
msbuild.exe obfuscated packed replace.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
C2 URLs / IPs found in malware configuration
Found 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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspicious Double Extension
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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 616296 Sample: Purchase Order.pdf.exe Startdate: 27/04/2022 Architecture: WINDOWS Score: 100 33 www.smartveranda.com 2->33 35 www.chefspiceshop.com 2->35 37 chefspiceshop.com 2->37 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 9 other signatures 2->51 11 Purchase Order.pdf.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\Purchase Order.pdf.exe.log, ASCII 11->31 dropped 65 Injects a PE file into a foreign processes 11->65 15 Purchase Order.pdf.exe 11->15         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 18 explorer.exe 15->18 injected process9 dnsIp10 39 kinuami.net 153.127.159.139, 49819, 80 SAKURA-ASAKURAInternetIncJP Japan 18->39 41 www.qctxcyagmn.com 18->41 43 4 other IPs or domains 18->43 53 System process connects to network (likely due to code injection or exploit) 18->53 55 Performs DNS queries to domains with low reputation 18->55 22 mstsc.exe 18->22         started        25 autochk.exe 18->25         started        signatures11 process12 signatures13 57 Self deletion via cmd delete 22->57 59 Modifies the context of a thread in another process (thread injection) 22->59 61 Maps a DLL or memory area into another process 22->61 63 Tries to detect virtualization through RDTSC time measurements 22->63 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-27 01:46:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:j86w loader rat suricata
Behaviour
Modifies registry class
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
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
ce4d1fd62a64dc09d7922e066ebd5a7203b696f5e4f5104ed57a3cfb3180e669
MD5 hash:
08afc3e32fe48981b334d36c5da2349c
SHA1 hash:
5e007a529ef1228fa2452e8cf9ccbde5b695d234
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
92fc621e886ad486195efe1b074a5186c27599e3dd4d71c72cae3078b8660ae2
MD5 hash:
e80503550a2aa077f62f09c7dc6be7e4
SHA1 hash:
f93e86c149eac50b611a1f9a7b59f5d81026262c
SH256 hash:
0fffcfc97a261b004afb92669af3281c6bda09fcb288d76d21b42a2a561b02ad
MD5 hash:
d27bd27cd65ef8a218f893ddc9a640f0
SHA1 hash:
a42a2b0d581a1c3ef6d79007e09a75906590bdbb
SH256 hash:
ec85c963acbae91868bf4683f33a0fdb4d79d108d3163eaddc1a016cf5eb830c
MD5 hash:
9ce3b58892c369134610fa43be1e64b1
SHA1 hash:
22120fe7dce2439a8511cb7cd9a4f560be0fd259
SH256 hash:
9dd418e3e0b939a80d00d578f63ad16004cc92646b3398ca9527c6063df0c69c
MD5 hash:
4c378ccf1107a2b0a83969443a351f88
SHA1 hash:
880f3410a79f6cc393459fdb4a1b750c86a3ff7b
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 9dd418e3e0b939a80d00d578f63ad16004cc92646b3398ca9527c6063df0c69c

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments