MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a08fda66d16f86ef516a81de248994dd1559d5ee2a1eda0ff01fc1e201df58e. 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: 9a08fda66d16f86ef516a81de248994dd1559d5ee2a1eda0ff01fc1e201df58e
SHA3-384 hash: c297962fd2533fff86c43be7e75474c26d5de608d94e6285a81152d8214ea92cf530ebaa73f6b3cb8bf453959db4f868
SHA1 hash: 5021bb809417dcb61161079603fb5794ce7acfa8
MD5 hash: 6071f70a3e485e0e99f747f67e310d53
humanhash: ceiling-cola-floor-harry
File name:Keryer Group Company Ltd.-pdf-.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:929'280 bytes
First seen:2022-10-26 13:45:51 UTC
Last seen:2022-11-01 05:22:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:YOq/oCJJtYJz8m2iNaX/fiv1bEeZfXX5OFFpoMlLqbt5K9g:zyYJz8m1eifH54gMC2
Threatray 15'546 similar samples on MalwareBazaar
TLSH T11E158C74279E4F07D0E9CE34A4B1D1F006A25D7B786ECB8ACAD06CFB39223A15A0D557
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 James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
269
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Keryer Group Company Ltd.-pdf-.exe
Verdict:
Malicious activity
Analysis date:
2022-10-26 13:53:33 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/c5994e78-d733-4daf-814c-bb93ae9ee526

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/324428/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Launching the process to change network settings
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
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/149f2e2a-5072-4243-8f9a-31ac749be01b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1098432
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 731084 Sample: Keryer Group Company Ltd.-p... Startdate: 26/10/2022 Architecture: WINDOWS Score: 100 53 www.190huntin.club 2->53 55 parkingpage.namecheap.com 2->55 65 Malicious sample detected (through community Yara rule) 2->65 67 Antivirus detection for URL or domain 2->67 69 Sigma detected: Scheduled temp file as task from temp location 2->69 71 11 other signatures 2->71 11 Keryer Group Company Ltd.-pdf-.exe 7 2->11         started        15 sYXvwA.exe 5 2->15         started        signatures3 process4 file5 45 C:\Users\user\AppData\Roaming\sYXvwA.exe, PE32 11->45 dropped 47 C:\Users\user\...\sYXvwA.exe:Zone.Identifier, ASCII 11->47 dropped 49 C:\Users\user\AppData\Local\...\tmp19E9.tmp, XML 11->49 dropped 51 C:\...\Keryer Group Company Ltd.-pdf-.exe.log, ASCII 11->51 dropped 79 Adds a directory exclusion to Windows Defender 11->79 81 Injects a PE file into a foreign processes 11->81 17 Keryer Group Company Ltd.-pdf-.exe 11->17         started        20 powershell.exe 21 11->20         started        22 schtasks.exe 1 11->22         started        83 Multi AV Scanner detection for dropped file 15->83 85 Machine Learning detection for dropped file 15->85 87 Tries to detect virtualization through RDTSC time measurements 15->87 24 sYXvwA.exe 15->24         started        26 schtasks.exe 1 15->26         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 17->57 59 Maps a DLL or memory area into another process 17->59 61 Sample uses process hollowing technique 17->61 63 Queues an APC in another process (thread injection) 17->63 28 explorer.exe 17->28 injected 30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        34 conhost.exe 26->34         started        process9 process10 36 mstsc.exe 28->36         started        39 cmstp.exe 28->39         started        signatures11 73 Modifies the context of a thread in another process (thread injection) 36->73 75 Maps a DLL or memory area into another process 36->75 77 Tries to detect virtualization through RDTSC time measurements 36->77 41 cmd.exe 1 36->41         started        process12 process13 43 conhost.exe 41->43         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9a08fda66d16f86ef516a81de248994dd1559d5ee2a1eda0ff01fc1e201df58e/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-10-26 07:29:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
40
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tiep3jtnc34g55iwvao6esezjxivlhk64kq63ih7ah6b4ia56wha._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
401d8ede073c42e3cb7c03934bbbb8b1ace7ae84c88098a680c6cefbaab26cdf
Formbook
46cbbf73c50dd90268f30bec98085b53402a7de7d0911f4045fb286162687e60
Formbook
9e6253eadc5d2960862d03ba5e28577fc6132497bd86f359557be8b8c22c1210
Formbook
a14a7402e2a08d44585f37122f323cfbfd13f2e5d36377242e60dba60a348610
Formbook
ab6ca79d5ad4fe400e7c57b831c71c0a11503f827e66abf52f51ba218854d7f9
Formbook
b9919579d8d7357ce721b68c6e06709eb9a6fd10066aa0d238fccc55ef7d2112
Formbook
cdda311b19b7310a22c171a9e83e6eb26f0319b9ea904cd6cbbed31b371e8fc7
Formbook
e8db90d8d2528f0767e5b82262223e07578e29f8e4166df3cf495318006ebbd6
Formbook
+ 15'536 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:a20e rat spyware stealer trojan
Link:
https://tria.ge/reports/221026-q2zl9afgg3/
Behaviour
Creates scheduled task(s)
Gathers network information
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
Unpacked files
SH256 hash:
401d37bb542e818ee49038c652fa9d769d216b912fbf638b768d2370cd184854
MD5 hash:
705e49ed906ae2317fb8f126f2ab2f4b
SHA1 hash:
33996978fe870cb59c5bf620bf4c38415ffe1e37
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/0f79fc4f-ec69-4fde-9081-ed5390369ccc/
Parent samples :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 hash:
73c8bdfbe0633323f3d7c49f76aac245e96c9049a402e94f971abfd9b14821eb
MD5 hash:
9cfdc330f73711aa6d230918f8e1c0fe
SHA1 hash:
ce15e3299b65d59ac0d35983eb2ddc12c2852c68
Link:
https://www.unpac.me/results/0f79fc4f-ec69-4fde-9081-ed5390369ccc/
SH256 hash:
11423f4b9cdfc09f847fc866ce1fa1720e0bc62c2ab8dcec054c94de00ed9589
MD5 hash:
76784618e4f7472327171a450500e1a4
SHA1 hash:
8e2f53cdbfae8870acd66c6b4b059709f173b9cd
Link:
https://www.unpac.me/results/0f79fc4f-ec69-4fde-9081-ed5390369ccc/
SH256 hash:
32b137d5641b02dfd503257e2f7f0b7ec95fb2498d24d0a2d573fe986948b9ec
MD5 hash:
128fa5167fb64a1b25e9202cfb442b72
SHA1 hash:
4ea7a5683859c74c97df16898a96e97c8a221a70
Link:
https://www.unpac.me/results/0f79fc4f-ec69-4fde-9081-ed5390369ccc/
SH256 hash:
6a7c2ffed8f175ab2b7d6ca5b3debcb28cb2932aeaa1ca98670371545ea62026
MD5 hash:
28275bb20163dca78d8d1342a62bc605
SHA1 hash:
262f75d83108dc73200c1c054ffa12e8329d90f1
Link:
https://www.unpac.me/results/0f79fc4f-ec69-4fde-9081-ed5390369ccc/
SH256 hash:
9a08fda66d16f86ef516a81de248994dd1559d5ee2a1eda0ff01fc1e201df58e
MD5 hash:
6071f70a3e485e0e99f747f67e310d53
SHA1 hash:
5021bb809417dcb61161079603fb5794ce7acfa8
Link:
https://www.unpac.me/results/0f79fc4f-ec69-4fde-9081-ed5390369ccc/
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/9a08fda66d16f86ef516a81de248994dd1559d5ee2a1eda0ff01fc1e201df58e

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/324428/

Comments