MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48f6e66bd79f4963bd12037988a93f1708a63e4caa7e17a0ba7cc11fdb90076b. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash: 48f6e66bd79f4963bd12037988a93f1708a63e4caa7e17a0ba7cc11fdb90076b
SHA3-384 hash: 6c3a9de21b2210da608ced8217d5112e7cdd4cfbb25ddb07346df2ee01e3c64a965295e2a61a30b249a5bbed5eb88dc5
SHA1 hash: 12d233ba99de9340c269bd5f05dd5bb09597570e
MD5 hash: 7b799a10aa556e5cc43ec2c5812de583
humanhash: fruit-tennis-salami-enemy
File name:Purchase Order.exe
Download: download sample
Signature Formbook
File size:537'088 bytes
First seen:2021-12-01 10:31:36 UTC
Last seen:2021-12-01 12:47:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:ihvHO/CzOG5cQeIN7pJZj35GtTUFw09F7JowuPJ:ihvHOA5ewFJp5GA5/7Jowuh
Threatray 11'894 similar samples on MalwareBazaar
TLSH T152B4122136F48B62D5BC43F88952549747F4333B31A2E3494EDE68DF46A6B201BA8DD3
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order.exe
Verdict:
Suspicious activity
Analysis date:
2021-12-01 10:33:39 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated 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
.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
Injects a PE file into a foreign processes
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)
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: CMSTP Execution Process Creation
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 531784 Sample: Purchase Order.exe Startdate: 01/12/2021 Architecture: WINDOWS Score: 100 34 www.jrecsoccer.com 2->34 36 jrecsoccer.com 2->36 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 9 other signatures 2->48 11 Purchase Order.exe 3 2->11         started        signatures3 process4 signatures5 58 Injects a PE file into a foreign processes 11->58 14 Purchase Order.exe 11->14         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 14->17 injected process8 dnsIp9 28 www.pilatesvilanova.com 217.76.128.34, 49813, 80 ONEANDONE-ASBrauerstrasse48DE Spain 17->28 30 www.141156141.xyz 44.227.65.245, 49815, 80 AMAZON-02US United States 17->30 32 10 other IPs or domains 17->32 38 System process connects to network (likely due to code injection or exploit) 17->38 40 Performs DNS queries to domains with low reputation 17->40 21 cmstp.exe 17->21         started        signatures10 process11 signatures12 50 Self deletion via cmd delete 21->50 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-01 10:32:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:ecus loader rat
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
Malware Config
C2 Extraction:
http://www.ptintelligence.com/ecus/
Unpacked files
SH256 hash:
1e754ced89bea64e21f9bec6fa014a1fca0214a67188c64a41705fdf9dd3869a
MD5 hash:
c2b10b50dd7b36392a7f0f203ac3fbc2
SHA1 hash:
b2eb928c1679abd3282528a64bc5096251b0bc7b
SH256 hash:
b19104b568ca3ddccc2a8d3d10ecddb1ea240171e798dc3a486292cfa14b6365
MD5 hash:
7b0900da932f4ed9630d65b04422736d
SHA1 hash:
6fa340436e3a8e73ae2b3e911f861483183c68ef
SH256 hash:
48f6e66bd79f4963bd12037988a93f1708a63e4caa7e17a0ba7cc11fdb90076b
MD5 hash:
7b799a10aa556e5cc43ec2c5812de583
SHA1 hash:
12d233ba99de9340c269bd5f05dd5bb09597570e
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
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 48f6e66bd79f4963bd12037988a93f1708a63e4caa7e17a0ba7cc11fdb90076b

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments