MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f72cb6a89b2416ff755cd63ae5bd2c0016846f5351227cc80e2242060e88a1b. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1f72cb6a89b2416ff755cd63ae5bd2c0016846f5351227cc80e2242060e88a1b
SHA3-384 hash: 94916762059523b588709ba69a898078e4da88ba319ec375e8fe216cfe9ab5185b3630475820100a2fda3d5bb132e8cb
SHA1 hash: af51bfe320f3ce71740adc4bc9859bc688f87a79
MD5 hash: 4aee56f4ee8222417feabca2aff739f3
humanhash: tango-venus-black-magazine
File name:DHL#NO67898745678.PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:816'640 bytes
First seen:2022-07-19 01:17:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:fZTtdeMMNzB0Wv09b2gb3IU3FnmewvJDdnw7fwQ0OvxVbXHCjgod2SY06jP3k2af:+Nl0Fd9NmVnwUUvTiUokSWk2aQS
TLSH T1BA05021AFAE7CD06C56853F7C0E144104772AB066522CB9F7EC621D71A227CB4AC7B6B
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 :
301
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1f72cb6a89b2416ff755cd63ae5bd2c0016846f5351227cc80e2242060e88a1b.zip
Verdict:
Malicious activity
Analysis date:
2022-07-19 03:39:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2d821d8d-b6ae-4322-9709-b69ed1bda10e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/291735/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.44341.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
packed
Link:
https://www.filescan.io/uploads/62d60655752a4892e1224af0/reports/809fe566-0d19-4a8c-a5db-13c88066541f/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/23ebe9be-8f08-49ac-850e-0d2ce630caa3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1036202
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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 sandboxes and other dynamic analysis tools (process name or module or function)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 668696 Sample: DHL#NO67898745678.PDF.exe Startdate: 19/07/2022 Architecture: WINDOWS Score: 100 29 www.hiddeneats.xyz 2->29 31 www.estateofcaseykasem.com 2->31 33 4 other IPs or domains 2->33 47 Snort IDS alert for network traffic 2->47 49 Multi AV Scanner detection for domain / URL 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 12 other signatures 2->53 10 DHL#NO67898745678.PDF.exe 3 2->10         started        signatures3 process4 file5 27 C:\Users\...\DHL#NO67898745678.PDF.exe.log, ASCII 10->27 dropped 55 Injects a PE file into a foreign processes 10->55 14 DHL#NO67898745678.PDF.exe 10->14         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 14->57 59 Maps a DLL or memory area into another process 14->59 61 Sample uses process hollowing technique 14->61 63 Queues an APC in another process (thread injection) 14->63 17 WWAHost.exe 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 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 23 cmd.exe 1 17->23         started        35 www.girftrocket.com 185.53.179.170, 49842, 80 TEAMINTERNET-ASDE Germany 20->35 37 shops.myshopify.com 23.227.38.74, 49834, 80 CLOUDFLARENETUS Canada 20->37 39 3 other IPs or domains 20->39 45 System process connects to network (likely due to code injection or exploit) 20->45 signatures11 process12 process13 25 conhost.exe 23->25         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1f72cb6a89b2416ff755cd63ae5bd2c0016846f5351227cc80e2242060e88a1b/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-07-19 01:18:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
51
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d5zmw2ujwjaw752vzvr24w6syaawqrxvgujcptea4iscayhirinq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220719-bnyepsdgc8/
Behaviour
Modifies Internet Explorer settings
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
System policy modification
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Adds policy Run key to start application
Blocklisted process makes network request
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/671d92e7-34e6-4a35-9c9d-fd9d48f9ea32/
SH256 hash:
b0f401742a3dd12dd9dc7d25422ec67566f11205a764400e0b9ad0d928df0ede
MD5 hash:
976c75fb10fb85e62535905fe0e2ac1c
SHA1 hash:
b88ce2aa24ea716de428d82125aa2fc0d79fac2c
Link:
https://www.unpac.me/results/671d92e7-34e6-4a35-9c9d-fd9d48f9ea32/
SH256 hash:
be67a5d5b858c949efa08a8777b891275774af446f759d53e1d045ff5661d6a7
MD5 hash:
e53760a70bd92a842429e31ee01fe974
SHA1 hash:
5217fa45df2016cb03c39efa8b40326deceb111b
Link:
https://www.unpac.me/results/671d92e7-34e6-4a35-9c9d-fd9d48f9ea32/
SH256 hash:
1f72cb6a89b2416ff755cd63ae5bd2c0016846f5351227cc80e2242060e88a1b
MD5 hash:
4aee56f4ee8222417feabca2aff739f3
SHA1 hash:
af51bfe320f3ce71740adc4bc9859bc688f87a79
Link:
https://www.unpac.me/results/671d92e7-34e6-4a35-9c9d-fd9d48f9ea32/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1f72cb6a89b2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/1f72cb6a89b2416ff755cd63ae5bd2c0016846f5351227cc80e2242060e88a1b

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 1f72cb6a89b2416ff755cd63ae5bd2c0016846f5351227cc80e2242060e88a1b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/291735/

Comments