MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 72445e5191879c520c587091c49587938089f641cdd49b2f435560b80e1f6cac. 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: 72445e5191879c520c587091c49587938089f641cdd49b2f435560b80e1f6cac
SHA3-384 hash: 49122b6053136328587c2cdaedc515a924f98d0838eea54ba45e36cd4f7dad7a02189dadb59e04d8c3956810157c501c
SHA1 hash: 81603b0a80a99aecde353675efbeb13165fbf2fb
MD5 hash: 25debca3c294ff386d821063cb739604
humanhash: triple-virginia-beer-carbon
File name:Purchase_Order.exe
Download: download sample
Signature Formbook
File size:960'512 bytes
First seen:2022-03-14 09:06:34 UTC
Last seen:2022-03-14 11:23:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:iZt3Zy3WD5kPSJZro3JxDnDm5r+t+eMVN2iBEigrDF/Le4Ia6ZnrhwBC72FCoeaO:8D5kKJ9iJxW5UhlimigrJLmTZ92FUQI
Threatray 14'348 similar samples on MalwareBazaar
TLSH T184159DE629EB405DF3379BB13FC8F8CE996AEA33151A30DB14912B768423990CD61735
File icon (PE):PE icon
dhash icon 00f84cfcf8f8f001 (9 x AgentTesla, 4 x Loki, 3 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
193
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:
obfuscated obfuscated packed replace.exe
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.
Malware family:
Generic Malware
Verdict:
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
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
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: 588384 Sample: Purchase_Order.exe Startdate: 14/03/2022 Architecture: WINDOWS Score: 100 31 www.48411.xyz 2->31 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 10 other signatures 2->41 11 Purchase_Order.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\Purchase_Order.exe.log, ASCII 11->29 dropped 53 Tries to detect virtualization through RDTSC time measurements 11->53 55 Injects a PE file into a foreign processes 11->55 15 Purchase_Order.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.seniorhm.com 154.94.94.47, 49773, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 18->33 43 System process connects to network (likely due to code injection or exploit) 18->43 22 mstsc.exe 18->22         started        signatures11 process12 signatures13 45 Self deletion via cmd delete 22->45 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49 51 Tries to detect virtualization through RDTSC time measurements 22->51 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:
2022-03-09 00:46:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:ct2t 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
.NET Reactor proctector
Xloader Payload
Xloader
Unpacked files
SH256 hash:
9e083f95f2a93b1c1f16a9946e8816347ee9c8a411decd05af853d98766e334a
MD5 hash:
07a7f236714b348e39a803e60940220f
SHA1 hash:
2283e45e6576af6a6d4f55f4cfa592455053a478
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
a6b3f147fe9bb3d428f4869f9c9e2e241fbd83b38474f16c26da159c065981c5
MD5 hash:
21500771ea4237afb4e0311d7b71f64f
SHA1 hash:
df23dfd36a22ff9dc77ae38360062c333cd5f4d8
SH256 hash:
d57403aa85e607b0f8de58eb30c63d6805a8a38b361fb3afaaa7f2d75d306e03
MD5 hash:
e2636a0e47a348f3362f45bdf4b3133e
SHA1 hash:
ab3b298c9533110e65191884a7b4e6f20cd36682
SH256 hash:
9b00e2fa33ad72dec22a5e107ab6886da72bbe0bed89a721e877c1dc3ce6a662
MD5 hash:
b4c9c16228f0ee1de70ffc6264fb720c
SHA1 hash:
437049e452a511e220abdb32df695cdf07f5a7d0
SH256 hash:
72445e5191879c520c587091c49587938089f641cdd49b2f435560b80e1f6cac
MD5 hash:
25debca3c294ff386d821063cb739604
SHA1 hash:
81603b0a80a99aecde353675efbeb13165fbf2fb
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 72445e5191879c520c587091c49587938089f641cdd49b2f435560b80e1f6cac

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments