MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 609e38239c20a1b1a2a1d773e18e467fb8097dcb2f398580c8780fc27d1df443. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 609e38239c20a1b1a2a1d773e18e467fb8097dcb2f398580c8780fc27d1df443
SHA3-384 hash: 6d864d8f22bfa92a9e15fe55aa01ae5b16f93bc00066ecf20db376a35f0ef797cf7aab3580307918365c14d08c698a68
SHA1 hash: ca8a67dad7647e240626fa68760d428f7de4cda5
MD5 hash: 61fc5f4d615ccb70cbe78ae9ca1e9802
humanhash: floor-washington-berlin-oxygen
File name:PO 700125-pdf-.exe
Download: download sample
Signature Formbook
File size:813'056 bytes
First seen:2023-01-24 14:12:20 UTC
Last seen:2023-01-26 17:17:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:fxEOxdueifbK2iNUdrs/NIWig8dMatAYFutXevoHWARz57WA5mjo2AX+oNa:fxEO7oK1GFsqra4AmuVeQHWKL9M
TLSH T12305D00D23786B23EAFF43FCC061500453F1A143E25FE75D2DC674EA1AA37A099696A7
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon f0e8cc9696cce850 (9 x AgentTesla, 5 x Formbook, 2 x SnakeKeylogger)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PO 700125-pdf-.exe
Verdict:
Malicious activity
Analysis date:
2023-01-24 14:15:07 UTC
Tags:
formbook xloader

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

Behaviour
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Creating a window
Sending a custom TCP request
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
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed phishing
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
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
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)
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 dnsIp2 2 Behavior Graph ID: 790672 Sample: PO 700125-pdf-.exe Startdate: 24/01/2023 Architecture: WINDOWS Score: 100 55 www.charmedbymonet.com 2->55 69 Malicious sample detected (through community Yara rule) 2->69 71 Antivirus detection for URL or domain 2->71 73 Sigma detected: Scheduled temp file as task from temp location 2->73 75 11 other signatures 2->75 11 PO 700125-pdf-.exe 7 2->11         started        15 LyFWmikmv.exe 5 2->15         started        signatures3 process4 file5 47 C:\Users\user\AppData\Roaming\LyFWmikmv.exe, PE32 11->47 dropped 49 C:\Users\...\LyFWmikmv.exe:Zone.Identifier, ASCII 11->49 dropped 51 C:\Users\user\AppData\Local\...\tmpEF6B.tmp, XML 11->51 dropped 53 C:\Users\user\...\PO 700125-pdf-.exe.log, ASCII 11->53 dropped 83 Adds a directory exclusion to Windows Defender 11->83 85 Injects a PE file into a foreign processes 11->85 17 PO 700125-pdf-.exe 11->17         started        20 powershell.exe 20 11->20         started        22 schtasks.exe 1 11->22         started        87 Multi AV Scanner detection for dropped file 15->87 89 Machine Learning detection for dropped file 15->89 91 Tries to detect virtualization through RDTSC time measurements 15->91 24 LyFWmikmv.exe 15->24         started        26 schtasks.exe 1 15->26         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 17->61 63 Maps a DLL or memory area into another process 17->63 65 Sample uses process hollowing technique 17->65 67 Queues an APC in another process (thread injection) 17->67 28 explorer.exe 1 17->28 injected 32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        36 conhost.exe 26->36         started        process9 dnsIp10 57 www.wlan.page 28->57 59 www.efefabaft.buzz 28->59 93 System process connects to network (likely due to code injection or exploit) 28->93 38 cmmon32.exe 28->38         started        41 WWAHost.exe 28->41         started        signatures11 process12 signatures13 77 Modifies the context of a thread in another process (thread injection) 38->77 79 Maps a DLL or memory area into another process 38->79 81 Tries to detect virtualization through RDTSC time measurements 38->81 43 cmd.exe 1 38->43         started        process14 process15 45 conhost.exe 43->45         started       
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-01-24 05:30:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:a09e 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
Unpacked files
SH256 hash:
3cd60a51a38cd2769a5e62a275aba12b9908aeb4af85972a3a101c508b17ae05
MD5 hash:
353c298f14b34212c6a1735dbcf9fd91
SHA1 hash:
c665622d92eb3d2ccde6b46625886f3f6263bcd0
SH256 hash:
bad58e8df64b5678e9e88d5fe99a866648963d30f7261fb55991978c2770844c
MD5 hash:
0d88b7255c5d442466e6395b50f54c58
SHA1 hash:
ba1e0015b89d480f1da4bd80a3ba9e4a44c94cda
SH256 hash:
411569f9f0b865c651adc1234d23f86cd98fe5cd641704702276e9882be113b6
MD5 hash:
7648892096f37af50468509c5b051180
SHA1 hash:
a56a074c2770152761f6c4975db0e9f7d57f8cda
SH256 hash:
ab2f8dbc2b147528cecac6ea1a8886951c424be0b2026743b39d97f0cbabb04c
MD5 hash:
77ab42f4bbbf4565846eb8953192d71f
SHA1 hash:
3c662c756cc31867c0473716a74e777a65ced550
SH256 hash:
609e38239c20a1b1a2a1d773e18e467fb8097dcb2f398580c8780fc27d1df443
MD5 hash:
61fc5f4d615ccb70cbe78ae9ca1e9802
SHA1 hash:
ca8a67dad7647e240626fa68760d428f7de4cda5
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.

  
Delivery method
Other

Comments