MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f6eb70a36cac8f02755669f252fc3e2889dbae5a492dbeed0d11467d68efefc. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1f6eb70a36cac8f02755669f252fc3e2889dbae5a492dbeed0d11467d68efefc
SHA3-384 hash: d43ca663c4b257affeeafc2739c0e3b0f2cccae053443acdb0c41c55cd63fbbad4868f7c227f26f9016ce8ed6c5ce37e
SHA1 hash: 038da6b979a0af131acf10d506b0c4134dcede54
MD5 hash: bd3813d4192cebce0f14bedcc9eae1d4
humanhash: arizona-nuts-floor-cola
File name:ESM202200000000000pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:260'973 bytes
First seen:2022-10-18 10:32:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:mbE/HUbaoLEfNj1hZYuYMzt8Am8jTE4JOKgUEmb0xQP2l:mb/xLErhZC8tbHJ1Il
TLSH T1C54412015B90DA57DA7206740D7287AECFBDA62561B3BE4713643F4EBD33AC2A90E341
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.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 :
1
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/321319/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
Searching for the window
Setting browser functions hooks
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
Link:
https://dragonfly.certego.net/analysis/43617/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/634e80dffdf6478a15af76b7/reports/aa421ba4-4363-4373-b006-93f60a6afb44/overview
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/16ede958-afd1-44c5-bf3b-ce80e0daa43c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1092638
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found hidden mapped module (file has been removed from disk)
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
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 725258 Sample: ESM202200000000000pdf.exe Startdate: 18/10/2022 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for dropped file 2->47 49 Multi AV Scanner detection for dropped file 2->49 51 4 other signatures 2->51 11 ESM202200000000000pdf.exe 18 2->11         started        process3 file4 35 C:\Users\user\AppData\Local\...\vexixbmm.exe, PE32 11->35 dropped 14 vexixbmm.exe 1 11->14         started        process5 file6 37 C:\Users\user\AppData\Local\Temp\C382.tmp, PE32 14->37 dropped 69 Multi AV Scanner detection for dropped file 14->69 71 Machine Learning detection for dropped file 14->71 73 Found hidden mapped module (file has been removed from disk) 14->73 75 Tries to detect virtualization through RDTSC time measurements 14->75 18 vexixbmm.exe 14->18         started        21 WerFault.exe 23 9 14->21         started        signatures7 process8 dnsIp9 53 Modifies the context of a thread in another process (thread injection) 18->53 55 Maps a DLL or memory area into another process 18->55 57 Sample uses process hollowing technique 18->57 59 Queues an APC in another process (thread injection) 18->59 24 explorer.exe 6 18->24 injected 39 192.168.2.1 unknown unknown 21->39 signatures10 process11 dnsIp12 41 www.tophatlimitless.buzz 24->41 43 parking.namesilo.com 45.58.190.82, 49725, 80 ST-BGPUS United States 24->43 61 System process connects to network (likely due to code injection or exploit) 24->61 28 cmd.exe 24->28         started        signatures13 process14 signatures15 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        process16 process17 33 conhost.exe 31->33         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1f6eb70a36cac8f02755669f252fc3e2889dbae5a492dbeed0d11467d68efefc/
Threat name:
Win32.Trojan.GenericML
Create hunting rule
Status:
Malicious
First seen:
2022-10-18 10:33:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=d5xlocrwzlepaj2vm2pskl6d4kej3oxfusjnx3wq2ekgpvuo736a._file
Verdict:
malicious
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:mr06 rat spyware stealer trojan
Link:
https://tria.ge/reports/221018-mlhr1sfdf7/
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
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d9d48151-ea31-4cdf-aae4-45a33383f3e5
Unpacked files
SH256 hash:
ed1e2e2f1cb6f0c8f9337571bfcc82db71ccc19ed4000f91fd41ccfa77f3d3da
MD5 hash:
d23cc85959b5cfe1992171da34ea4b02
SHA1 hash:
60bee44c1630f5d2b8ab56179b9163fb839a74a1
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/61e080f8-4f96-4246-8bf0-626ce623eb1d/
Parent samples :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 hash:
360b05d16317bec3c7c324c72c6c9652e4b48265f91062653f45ca8fe714ab83
MD5 hash:
52061ba3b0873bd8efb01538e893ffe0
SHA1 hash:
c866b735c19703a54e68df993a5de47e22cec0cb
Link:
https://www.unpac.me/results/61e080f8-4f96-4246-8bf0-626ce623eb1d/
SH256 hash:
1f6eb70a36cac8f02755669f252fc3e2889dbae5a492dbeed0d11467d68efefc
MD5 hash:
bd3813d4192cebce0f14bedcc9eae1d4
SHA1 hash:
038da6b979a0af131acf10d506b0c4134dcede54
Link:
https://www.unpac.me/results/61e080f8-4f96-4246-8bf0-626ce623eb1d/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1f6eb70a36ca/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1f6eb70a36cac8f02755669f252fc3e2889dbae5a492dbeed0d11467d68efefc

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
Create hunting rule
Author:Willi Ballenthin

File information

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

Malspam

Formbook

Executable exe 1f6eb70a36cac8f02755669f252fc3e2889dbae5a492dbeed0d11467d68efefc

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/321319/

Comments