MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 93eb6ab13a2431d0479ef05cc8334bf562877b13a88d47009a490bb7a71ff186. 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: 17


Intelligence 17 IOCs YARA 3 File information Comments

SHA256 hash: 93eb6ab13a2431d0479ef05cc8334bf562877b13a88d47009a490bb7a71ff186
SHA3-384 hash: cb950844bc8f22539947761877d9213537e6e9d1ebeabb1ea867fa097ed2012bab5e5caf4c3f8299619a61161e2ab6d6
SHA1 hash: 92ae68f1af2ff0b93fb5f4a5294d4293a74ef173
MD5 hash: acc5813edae75d280923baad2c2aaedd
humanhash: helium-december-violet-nuts
File name:KL587469.exe
Download: download sample
Signature Formbook
File size:887'296 bytes
First seen:2022-09-15 21:17:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:Hatlwx1EmPYG1HciYFb5QxW1A5SGA73baoFXytKlC3+knN6dsWCd0Y/j4D0vot+R:qqxRYG1Hy1A5lebaQitTDNldrr4L8Z
TLSH T17B152A0721D509A5C07651BC24CCC5B39BAADE85E63BC945BFC98CAFF192F2846D23B1
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
392
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
KL587469.exe
Verdict:
Malicious activity
Analysis date:
2022-09-16 06:40:05 UTC
Tags:
formbook trojan stealer

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
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
packed
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:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in 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)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 703805 Sample: KL587469.exe Startdate: 15/09/2022 Architecture: WINDOWS Score: 100 43 www.southocpicnics.com 2->43 45 ext-sq.squarespace.com 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 10 other signatures 2->53 11 KL587469.exe 7 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\mysSkayKdGGG.exe, PE32 11->35 dropped 37 C:\Users\...\mysSkayKdGGG.exe:Zone.Identifier, ASCII 11->37 dropped 39 C:\Users\user\AppData\Local\...\tmp9386.tmp, XML 11->39 dropped 41 C:\Users\user\AppData\...\KL587469.exe.log, ASCII 11->41 dropped 55 Uses schtasks.exe or at.exe to add and modify task schedules 11->55 57 Adds a directory exclusion to Windows Defender 11->57 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 KL587469.exe 11->15         started        18 powershell.exe 21 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 75 Queues an APC in another process (thread injection) 15->75 22 explorer.exe 15->22 injected 24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        process9 process10 28 control.exe 22->28         started        signatures11 63 Modifies the context of a thread in another process (thread injection) 28->63 65 Maps a DLL or memory area into another process 28->65 67 Tries to detect virtualization through RDTSC time measurements 28->67 31 cmd.exe 1 28->31         started        process12 process13 33 conhost.exe 31->33         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-09-13 04:54:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
20 of 40 (50.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ez03 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
3c90e9f5da49378cdfe1267b97478e61f241b48571c315770fd32a7c4630f121
MD5 hash:
13faedba42736d0787fb6931da58f14d
SHA1 hash:
f7acd745b6cb24543eafdb7d930f968fddf641d7
SH256 hash:
8b533ffaed24e0351e489b14aaac6960b731db189ce7ed0c0c02d4a546af8e63
MD5 hash:
dbc7be56e6e32349315170599c8b333f
SHA1 hash:
d8e5840e3574b87d435e55a65ac648e040871aee
SH256 hash:
b3e30a5867674b2de2c5cf8deee57d36b135e1162a04f8f9e3a1c9497e5edc1c
MD5 hash:
8245633b943b72201eb3fb4b76b55f83
SHA1 hash:
2e3fec506a37864887c4ff8aed6cc265eeb8a83e
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
93eb6ab13a2431d0479ef05cc8334bf562877b13a88d47009a490bb7a71ff186
MD5 hash:
acc5813edae75d280923baad2c2aaedd
SHA1 hash:
92ae68f1af2ff0b93fb5f4a5294d4293a74ef173
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:meth_get_eip
Author:Willi Ballenthin
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 93eb6ab13a2431d0479ef05cc8334bf562877b13a88d47009a490bb7a71ff186

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments