MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6bfbc7a41d3737dbd09b192603c2fad7d12ca3d263881371abf3e45d5d5d92f. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b6bfbc7a41d3737dbd09b192603c2fad7d12ca3d263881371abf3e45d5d5d92f
SHA3-384 hash: 4bfdfa51f15a3d092edbb3d0acea053e03b617d907cbfccf32cb698113063f5efd908a8f5166ca4dd8d9c9b798482711
SHA1 hash: 5fe38a57d5a6fb3ab1bd379e55b39da0a8a3b485
MD5 hash: ca7a013e9df74f06ffa0cc5a1941ea08
humanhash: georgia-floor-december-cola
File name:DHL Notification_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:399'480 bytes
First seen:2022-10-17 17:36:53 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:wbE/HUlTKu1gRtv6cWGdCEocj2z4+siQpljf1TTeD2BSQMAMCImTot8w:wbwv6cxd566pLAUS6lx+
TLSH T10984AE54E5449ED6D302B23CE4FCFB1E46108FA6B26EAB48D530B94178327CF6426D8E
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 9f197f3767531b47 (39 x Formbook, 12 x AgentTesla, 2 x RemcosRAT)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
310
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/321092/
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
Searching for the window
Sending a custom TCP request
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/43503/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/634d92c1c99b342ba010c0fd/reports/423ba1a5-f47f-4dea-8170-de7118d491dc/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/76b6fcc4-1c43-4425-a2c1-a1f845359856
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1092202
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found hidden mapped module (file has been removed from disk)
Initial sample is a PE file and has a suspicious name
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
Snort IDS alert for network traffic
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: 724817 Sample: DHL Notification_pdf.exe Startdate: 17/10/2022 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 8 other signatures 2->52 11 DHL Notification_pdf.exe 18 2->11         started        process3 file4 36 C:\Users\user\AppData\Local\...\mwmffcnhm.exe, PE32 11->36 dropped 14 mwmffcnhm.exe 2 11->14         started        process5 file6 38 C:\Users\user\AppData\Local\Temp\873C.tmp, PE32 14->38 dropped 70 Multi AV Scanner detection for dropped file 14->70 72 Machine Learning detection for dropped file 14->72 74 Found hidden mapped module (file has been removed from disk) 14->74 76 Tries to detect virtualization through RDTSC time measurements 14->76 18 mwmffcnhm.exe 14->18         started        21 WerFault.exe 23 9 14->21         started        23 conhost.exe 14->23         started        signatures7 process8 signatures9 54 Modifies the context of a thread in another process (thread injection) 18->54 56 Maps a DLL or memory area into another process 18->56 58 Sample uses process hollowing technique 18->58 60 Queues an APC in another process (thread injection) 18->60 25 explorer.exe 18->25 injected process10 dnsIp11 40 selectyouroffer.info 209.188.7.135, 49707, 80 SSASN2US United States 25->40 42 www.uspabmiytr.info 155.94.129.137, 49706, 80 ASN-QUADRANET-GLOBALUS United States 25->42 44 www.selectyouroffer.info 25->44 62 System process connects to network (likely due to code injection or exploit) 25->62 29 control.exe 25->29         started        signatures12 process13 signatures14 64 Modifies the context of a thread in another process (thread injection) 29->64 66 Maps a DLL or memory area into another process 29->66 68 Tries to detect virtualization through RDTSC time measurements 29->68 32 cmd.exe 1 29->32         started        process15 process16 34 conhost.exe 32->34         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b6bfbc7a41d3737dbd09b192603c2fad7d12ca3d263881371abf3e45d5d5d92f/
Threat name:
Win32.Trojan.GenericML
Create hunting rule
Status:
Malicious
First seen:
2022-10-17 14:14:38 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
29 of 41 (70.73%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=w273y6sb2nzx3pijwgjgapbpvv6rfsr5ey4icny2x47elvov3exq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:g2e8 rat spyware stealer trojan
Link:
https://tria.ge/reports/221017-v66nkscdh6/
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
Unpacked files
SH256 hash:
72f7272d0e8af849c87030cb8b6ce362ef9896400be3ef27e56970f21cd8b691
MD5 hash:
b238075b563644dcd4566f6810971c75
SHA1 hash:
aecaabc92c02f89d34de30c1e5b265518d41b2b8
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/c79634fc-8ab8-4a98-91c7-e0addcba8b1e/
Parent samples :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 hash:
3daf9001cfbce47f04cd76cde554a805531bf5f95116bd194cf9aa1851a4da3a
MD5 hash:
fadb260d3dd4326d29024a03d4253b91
SHA1 hash:
ba577cbb535395d3c0011673f510536d0a51b299
Link:
https://www.unpac.me/results/c79634fc-8ab8-4a98-91c7-e0addcba8b1e/
SH256 hash:
b6bfbc7a41d3737dbd09b192603c2fad7d12ca3d263881371abf3e45d5d5d92f
MD5 hash:
ca7a013e9df74f06ffa0cc5a1941ea08
SHA1 hash:
5fe38a57d5a6fb3ab1bd379e55b39da0a8a3b485
Link:
https://www.unpac.me/results/c79634fc-8ab8-4a98-91c7-e0addcba8b1e/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b6bfbc7a41d3/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/b6bfbc7a41d3737dbd09b192603c2fad7d12ca3d263881371abf3e45d5d5d92f

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
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe b6bfbc7a41d3737dbd09b192603c2fad7d12ca3d263881371abf3e45d5d5d92f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/321092/

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