MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7467efea87f019ef06f012f2b8bdd694106b06442fa7f1a9541051cd28cc3f2b. 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 2 File information Comments

SHA256 hash: 7467efea87f019ef06f012f2b8bdd694106b06442fa7f1a9541051cd28cc3f2b
SHA3-384 hash: c655a7321f57065f755081c9ba8ff93ad0bef69f407a50faf96c554a530bb14f5587f2ba7fa695baad0ab3683ecfa65d
SHA1 hash: a95dc919cf1d946b8f25efcf73ffb5db73bb1408
MD5 hash: 82908cc84af008bbd91f98b03a8a1579
humanhash: nebraska-fruit-utah-cola
File name:Keryer Group Company Ltd-pdf-.exe
Download: download sample
Signature Formbook
File size:830'976 bytes
First seen:2022-11-10 08:24:47 UTC
Last seen:Never
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:YzWxQir2iNt27toeMPVRSQKlxAtIHS8Ql2JvGGYOGz5/Zep1W2ne6vMKE5Y:Y4r1HaHMtYdjAGr42JvGRfzsz3MKE
Threatray 18'325 similar samples on MalwareBazaar
TLSH T18605026AF362FAA4E43D03B428314D522F72A509ADACDD3C1CC6369A0D35353565BDCB
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 :
204
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Keryer Group Company Ltd-pdf-.exe
Verdict:
Malicious activity
Analysis date:
2022-11-10 08:27:20 UTC
Tags:
formbook trojan stealer

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

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 742857 Sample: Keryer Group Company Ltd-pdf-.exe Startdate: 10/11/2022 Architecture: WINDOWS Score: 100 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus detection for URL or domain 2->62 64 Sigma detected: Scheduled temp file as task from temp location 2->64 66 11 other signatures 2->66 10 Keryer Group Company Ltd-pdf-.exe 7 2->10         started        14 lgdvuFiHA.exe 5 2->14         started        process3 file4 44 C:\Users\user\AppData\Roaming\lgdvuFiHA.exe, PE32 10->44 dropped 46 C:\Users\...\lgdvuFiHA.exe:Zone.Identifier, ASCII 10->46 dropped 48 C:\Users\user\AppData\Local\Temp\tmpA44.tmp, XML 10->48 dropped 50 C:\...\Keryer Group Company Ltd-pdf-.exe.log, ASCII 10->50 dropped 74 Adds a directory exclusion to Windows Defender 10->74 16 Keryer Group Company Ltd-pdf-.exe 10->16         started        19 powershell.exe 21 10->19         started        21 schtasks.exe 1 10->21         started        76 Multi AV Scanner detection for dropped file 14->76 78 Machine Learning detection for dropped file 14->78 80 Tries to detect virtualization through RDTSC time measurements 14->80 23 lgdvuFiHA.exe 14->23         started        25 schtasks.exe 1 14->25         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 16->52 54 Maps a DLL or memory area into another process 16->54 56 Sample uses process hollowing technique 16->56 58 Queues an APC in another process (thread injection) 16->58 27 explorer.exe 16->27 injected 29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        33 conhost.exe 25->33         started        process8 process9 35 systray.exe 27->35         started        38 WWAHost.exe 27->38         started        signatures10 68 Modifies the context of a thread in another process (thread injection) 35->68 70 Maps a DLL or memory area into another process 35->70 72 Tries to detect virtualization through RDTSC time measurements 35->72 40 cmd.exe 1 35->40         started        process11 process12 42 conhost.exe 40->42         started       
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-11-07 08:58:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:a20e rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
SH256 hash:
92bd802a0f7eb1213758a6c1a4c07302e0320c3a2aeb6273b0303dd3bbdefe90
MD5 hash:
046e97119545e5abde2f40b5dc3a0344
SHA1 hash:
3e69b67ddff2554c8cd72e129d4da9c8acd9d331
SH256 hash:
6e280c7a411738d6e533bf7084a7ded2103e8aedacac9b800f25e8736d3c6b0b
MD5 hash:
b121227f458552cc64b2cbeeeb9184fd
SHA1 hash:
2306a0760d7bc289ab9473bbcebff22d939eb7f8
SH256 hash:
ab17511e5d74b212ac28688ca289663e3b1eba4986102bcde102ab854a90338b
MD5 hash:
5f1353022dbb2643b5609d91071fe33b
SHA1 hash:
2263a5a711ec2a7a034d11bc5a1fd8f3eee48706
SH256 hash:
7467efea87f019ef06f012f2b8bdd694106b06442fa7f1a9541051cd28cc3f2b
MD5 hash:
82908cc84af008bbd91f98b03a8a1579
SHA1 hash:
a95dc919cf1d946b8f25efcf73ffb5db73bb1408
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:pe_imphash
Rule name:Skystars_Malware_Imphash
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 7467efea87f019ef06f012f2b8bdd694106b06442fa7f1a9541051cd28cc3f2b

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments