MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d62663072daa5bde186f1d0c406225099d7ae372d00969a57016206c099ee1b7. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: d62663072daa5bde186f1d0c406225099d7ae372d00969a57016206c099ee1b7
SHA3-384 hash: 7f05479a77eb585a6daf4d6f2b8fe77abd20e09c509b23e74663f50f9d6734967d1af6406db659e6c0adc064b04a6393
SHA1 hash: a731bbf3310af1d83119131c0e182e4302062eef
MD5 hash: 0650530c0192eead0466f36564026598
humanhash: music-item-india-venus
File name:PO.exe
Download: download sample
Signature Formbook
File size:496'128 bytes
First seen:2021-09-03 03:34:52 UTC
Last seen:2021-09-06 12:58:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'448 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:oEmZZ3ps81rwzCnSiBn7oxs3gX7gHHxpfFnUTf08QBEF/zzvsH7qriOEGo6RD9GA:olZ3hdnd7oOQcn7uTfUI/3Bp1YZGnPuY
Threatray 8'907 similar samples on MalwareBazaar
TLSH T182B42328EB6C953FCFFA06794486558487B3FE1582C1EB4DAE4D10E5A9C33CA0D15BE2
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
5
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO.exe
Verdict:
Malicious activity
Analysis date:
2021-09-03 03:36:40 UTC
Tags:
trojan formbook stealer

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

Behaviour
Creating a file in the %temp% directory
Deleting a recently created file
Creating a file
Creating a window
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 476921 Sample: PO.exe Startdate: 03/09/2021 Architecture: WINDOWS Score: 100 31 www.ahhtcd.com 2->31 33 www.gromov-plc.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 8 other signatures 2->47 10 PO.exe 3 2->10         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\PO.exe.log, ASCII 10->29 dropped 57 Writes to foreign memory regions 10->57 59 Injects a PE file into a foreign processes 10->59 14 RegSvcs.exe 10->14         started        17 RegSvcs.exe 10->17         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 14->61 63 Maps a DLL or memory area into another process 14->63 65 Sample uses process hollowing technique 14->65 67 Queues an APC in another process (thread injection) 14->67 19 explorer.exe 14->19         started        22 explorer.exe 14->22 injected 69 Tries to detect virtualization through RDTSC time measurements 17->69 process9 dnsIp10 49 Modifies the context of a thread in another process (thread injection) 19->49 51 Maps a DLL or memory area into another process 19->51 53 Tries to detect virtualization through RDTSC time measurements 19->53 25 cmd.exe 1 19->25         started        35 www.wecarefamilyphysicians.com 185.151.30.167, 49751, 80 TWENTYIGB United Kingdom 22->35 37 rutroms.club 95.215.210.10, 49743, 80 NEWIT-ASRU Russian Federation 22->37 39 10 other IPs or domains 22->39 55 System process connects to network (likely due to code injection or exploit) 22->55 signatures11 process12 process13 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-09-03 01:48:29 UTC
AV detection:
13 of 43 (30.23%)
Threat level:
  2/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:n58i loader rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.mack3sleeve.com/n58i/
Unpacked files
SH256 hash:
8cff129ca2360c5eff1f061536fe264c44a88b66519fd7f3353f6fcfd2bc111a
MD5 hash:
f914c8bfed6d43272fb24a861f2ca041
SHA1 hash:
5bf498268bc92b4cd8463fed104bda65297dc794
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
2a9eb190844d64a61818a0be967599b236fc92fdb91940b289a8b243bb5435e2
MD5 hash:
e5ed2f3f105e0f30a08c0cd70dbe34db
SHA1 hash:
72c488f2aec82eccd94db14d108d971f896b5c03
SH256 hash:
81f9eac76804c02f5baaa34c91b5775f965a34ad7811218d9c24e50cb6d9a90c
MD5 hash:
bae511742374b721136acaa03b0c1fa0
SHA1 hash:
215c50455b01a78ea173bbb034ddbe4b452ea734
SH256 hash:
d62663072daa5bde186f1d0c406225099d7ae372d00969a57016206c099ee1b7
MD5 hash:
0650530c0192eead0466f36564026598
SHA1 hash:
a731bbf3310af1d83119131c0e182e4302062eef
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: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 d62663072daa5bde186f1d0c406225099d7ae372d00969a57016206c099ee1b7

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments