MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05d0a0308b3edc2f79e25eac2367de15ac201632dccede344f7df8a5ad583572. 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 9 File information Comments

SHA256 hash: 05d0a0308b3edc2f79e25eac2367de15ac201632dccede344f7df8a5ad583572
SHA3-384 hash: 6946fb782475da9d4e06741deeb0b543a7e746db58f3a7e32485933f85c23a2746a2901b6eb94ec5cf3d70d7028693c8
SHA1 hash: 8d67ef3ae13adc003996fca262ee40779338daa6
MD5 hash: 69bfa531e85418726ff2d7fbc2193418
humanhash: alaska-undress-friend-texas
File name:69bfa531e85418726ff2d7fbc2193418.exe
Download: download sample
Signature Formbook
File size:637'440 bytes
First seen:2021-03-01 18:10:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:F4GY34MhP7weKvyU47XcZABcQgcL3ABdugPYy1PPNjDKRQ5/wfds7cMlDqj:F4GePR7MmqQDABzPPxPt5wfdsYOqj
Threatray 920 similar samples on MalwareBazaar
TLSH 79D4293222545B95E07EF7749000D270F3E66D82E3E3DA48BDE93C8B7DF9A8245A3651
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
113
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice copy and Payment request.xlsx
Verdict:
Malicious activity
Analysis date:
2021-03-01 13:38:45 UTC
Tags:
encrypted exploit CVE-2017-11882 loader trojan rat asyncrat

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

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
AgentTesla AsyncRAT FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Binary contains a suspicious time stamp
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 360321 Sample: UbrikQvjSc.exe Startdate: 01/03/2021 Architecture: WINDOWS Score: 100 60 www.wrilbe.com 2->60 62 www.sbcribtionsnettflix.com 2->62 64 5 other IPs or domains 2->64 68 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->68 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 19 other signatures 2->74 12 UbrikQvjSc.exe 3 2->12         started        signatures3 process4 file5 56 C:\Users\user\AppData\...\UbrikQvjSc.exe.log, ASCII 12->56 dropped 88 Injects a PE file into a foreign processes 12->88 16 UbrikQvjSc.exe 2 5 12->16         started        signatures6 process7 dnsIp8 58 3324546.duckdns.org 152.89.247.27, 1210, 49699, 49709 COMBAHTONcombahtonGmbHDE Germany 16->58 48 C:\Users\user\AppData\Local\Temp\yrstqo.exe, PE32 16->48 dropped 50 C:\Users\user\AppData\Local\Temp\saslfx.exe, PE32 16->50 dropped 66 Tries to harvest and steal browser information (history, passwords, etc) 16->66 21 cmd.exe 1 16->21         started        24 cmd.exe 1 16->24         started        file9 signatures10 process11 signatures12 86 Suspicious powershell command line found 21->86 26 powershell.exe 15 21->26         started        28 conhost.exe 21->28         started        30 powershell.exe 11 24->30         started        32 conhost.exe 24->32         started        process13 process14 34 yrstqo.exe 6 26->34         started        38 saslfx.exe 30->38         started        file15 52 C:\Users\user\AppData\Roaming\UVUwsYKwH.exe, PE32 34->52 dropped 54 C:\Users\user\AppData\Local\...\tmpB9EE.tmp, XML 34->54 dropped 76 Multi AV Scanner detection for dropped file 34->76 78 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 34->78 80 Machine Learning detection for dropped file 34->80 82 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 34->82 40 schtasks.exe 1 34->40         started        42 yrstqo.exe 2 34->42         started        84 Injects a PE file into a foreign processes 38->84 44 saslfx.exe 38->44         started        signatures16 process17 process18 46 conhost.exe 40->46         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-03-01 15:12:58 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat spyware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
3324546.duckdns.org:1210
Unpacked files
SH256 hash:
68b716109ff4e18e21bd0acacb3796f7930771d19f6a766d7d3aa0bbde4ce7e0
MD5 hash:
a3d1d373062f59282307d4b9966d702b
SHA1 hash:
60c9c330e6ff63d3e0b3b0b700ac37bde5997ced
SH256 hash:
05d0a0308b3edc2f79e25eac2367de15ac201632dccede344f7df8a5ad583572
MD5 hash:
69bfa531e85418726ff2d7fbc2193418
SHA1 hash:
8d67ef3ae13adc003996fca262ee40779338daa6
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:Reverse_text_bin_mem
Author:James_inthe_box
Description:Reverse text detected
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla
Rule name:win_asyncrat_j1
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 05d0a0308b3edc2f79e25eac2367de15ac201632dccede344f7df8a5ad583572

(this sample)

  
Delivery method
Distributed via web download

Comments