MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef9f2b6e7e8bc31cf9db1b0038f1613e93454cca28711fd71e57cf0575bd943a. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: ef9f2b6e7e8bc31cf9db1b0038f1613e93454cca28711fd71e57cf0575bd943a
SHA3-384 hash: 0ec27ca83efc32385f74424886371bfaa62ff081946700f2fe3c0e17b00f4ca9dd6e025065504e9ffecafd836294652e
SHA1 hash: 70330eab841fd25888ecbc09833ea461f3c7124f
MD5 hash: 52cd84db6f9e312e6678f10025e46687
humanhash: carbon-pip-september-uncle
File name:Updated SOA.exe
Download: download sample
Signature Formbook
File size:529'408 bytes
First seen:2021-11-30 21:17:01 UTC
Last seen:2021-11-30 23:03:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:Iaig1PLZ8HkCMZPoQAqJzfGo0MkSYbWuBX08:1igBLZ8HxMZAQAUfGoy7WYR
Threatray 12'342 similar samples on MalwareBazaar
TLSH T15BB40229A7A80619E5BE47BDF4E180041B3E6E17A447E34E768D34DD1FB33C2DA112A7
File icon (PE):PE icon
dhash icon 04081e9e9e0e0810 (2 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
187
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Updated SOA.exe
Verdict:
Malicious activity
Analysis date:
2021-11-30 21:20:04 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
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for the window
Creating a window
DNS request
Сreating synchronization primitives
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
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
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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: 531525 Sample: Updated SOA.exe Startdate: 30/11/2021 Architecture: WINDOWS Score: 100 38 www.kellibrat.com 2->38 40 www.extremesavings.net 2->40 42 2 other IPs or domains 2->42 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 7 other signatures 2->52 11 Updated SOA.exe 1 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\...\Updated SOA.exe.log, ASCII 11->30 dropped 14 Updated SOA.exe 11->14         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 17 explorer.exe 6 154 14->17         started        21 explorer.exe 14->21 injected process8 dnsIp9 32 colorfulworldpublishing.com 15.197.142.173, 49844, 80 TANDEMUS United States 17->32 34 www.spectehnika-rb.com 81.177.135.251, 49843, 80 RTCOMM-ASRU Russian Federation 17->34 36 9 other IPs or domains 17->36 44 System process connects to network (likely due to code injection or exploit) 17->44 23 chkdsk.exe 17->23         started        signatures10 process11 signatures12 54 Self deletion via cmd delete 23->54 56 Modifies the context of a thread in another process (thread injection) 23->56 58 Maps a DLL or memory area into another process 23->58 60 Tries to detect virtualization through RDTSC time measurements 23->60 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-30 13:24:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
17 of 27 (62.96%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:mqi9 loader rat
Behaviour
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
Malware Config
C2 Extraction:
http://www.vulcanopresale.icu/mqi9/
Unpacked files
SH256 hash:
b19104b568ca3ddccc2a8d3d10ecddb1ea240171e798dc3a486292cfa14b6365
MD5 hash:
7b0900da932f4ed9630d65b04422736d
SHA1 hash:
6fa340436e3a8e73ae2b3e911f861483183c68ef
SH256 hash:
4cc909af9577a9ee8e94f2031db52f4c891aabe2a3cf9741315e7977f6ab0869
MD5 hash:
c3f2c066f6a71968cccbb6aee9f6ce94
SHA1 hash:
0323fbcd831404044cd98cd4d306dc2b36daa1b2
SH256 hash:
ef9f2b6e7e8bc31cf9db1b0038f1613e93454cca28711fd71e57cf0575bd943a
MD5 hash:
52cd84db6f9e312e6678f10025e46687
SHA1 hash:
70330eab841fd25888ecbc09833ea461f3c7124f
Malware family:
XLoader
Verdict:
Malicious
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 ef9f2b6e7e8bc31cf9db1b0038f1613e93454cca28711fd71e57cf0575bd943a

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments