MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 06bae25e92bc3fac52c2c12ef0540fc44a3d254a7214fa5875b721c04a62b787. 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: 18


Intelligence 18 IOCs YARA 3 File information Comments

SHA256 hash: 06bae25e92bc3fac52c2c12ef0540fc44a3d254a7214fa5875b721c04a62b787
SHA3-384 hash: ea1d92f0da5361970aa4821498a2f554fc5739eca01e28113e1d789b44bb4a949b4116e815c478b077cd68d4b4d15c4e
SHA1 hash: 5dd415ce94ebe140803d21430a35a5322947d8e6
MD5 hash: 438f1ee2a9759fb02c5aaf3f13217ba1
humanhash: rugby-bacon-tennis-eight
File name:issu_20232003.exe
Download: download sample
Signature Formbook
File size:287'580 bytes
First seen:2023-03-30 09:39:02 UTC
Last seen:2023-03-30 11:24:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 429 x GuLoader)
ssdeep 6144:/Ya6rKlWBRUKU3HgJFjdb8mWkcdQSVfwCSkNgi7GflDlwcR4:/YBKlIlU3AJvVC5NgVFlwi4
TLSH T19D54130852E4C1E7C07206B79E752B1A6FFCBA151AF893874741729EFA273A2C90F750
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
248
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
issu_20232003.exe
Verdict:
Malicious activity
Analysis date:
2023-03-30 09:42:07 UTC
Tags:
formbook xloader

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

Behaviour
Launching a process
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Searching for synchronization primitives
Searching for the window
Сreating synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook nemesis overlay packed remcos shell32.dll
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 837993 Sample: issu_20232003.exe Startdate: 30/03/2023 Architecture: WINDOWS Score: 100 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for URL or domain 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 4 other signatures 2->55 11 issu_20232003.exe 19 2->11         started        process3 file4 35 C:\Users\user\AppData\Local\...\teljwolc.exe, PE32 11->35 dropped 14 teljwolc.exe 1 11->14         started        process5 signatures6 65 Multi AV Scanner detection for dropped file 14->65 67 Detected unpacking (changes PE section rights) 14->67 69 Machine Learning detection for dropped file 14->69 71 3 other signatures 14->71 17 teljwolc.exe 14->17         started        20 conhost.exe 14->20         started        process7 signatures8 41 Modifies the context of a thread in another process (thread injection) 17->41 43 Maps a DLL or memory area into another process 17->43 45 Sample uses process hollowing technique 17->45 47 Queues an APC in another process (thread injection) 17->47 22 explorer.exe 5 6 17->22 injected process9 dnsIp10 37 www.healingthehoard.com 22->37 39 www.defrag.team 22->39 57 System process connects to network (likely due to code injection or exploit) 22->57 26 control.exe 22->26         started        29 autoconv.exe 22->29         started        signatures11 process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 26->59 61 Maps a DLL or memory area into another process 26->61 63 Tries to detect virtualization through RDTSC time measurements 26->63 31 cmd.exe 1 26->31         started        process14 process15 33 conhost.exe 31->33         started       
Threat name:
Win32.Trojan.Nemesis
Status:
Malicious
First seen:
2023-03-20 12:08:38 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
28 of 37 (75.68%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:me29 rat spyware stealer trojan
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
c652ee9ad112b213d47fb4420421222eaf65664c19a95c60964192eba9e7d623
MD5 hash:
261293da40e05cb85840f6efabd910fc
SHA1 hash:
320e8c1b3ab19aa623e32bb9fa03de08891715d3
SH256 hash:
06bae25e92bc3fac52c2c12ef0540fc44a3d254a7214fa5875b721c04a62b787
MD5 hash:
438f1ee2a9759fb02c5aaf3f13217ba1
SHA1 hash:
5dd415ce94ebe140803d21430a35a5322947d8e6
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

  
Delivery method
Other

Comments