MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 234d425a3c85a27252fa477d05a387a30a6e248f1ea17b2e7fcaac13cb9c8db3. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments

SHA256 hash: 234d425a3c85a27252fa477d05a387a30a6e248f1ea17b2e7fcaac13cb9c8db3
SHA3-384 hash: af2c0f6e55b8f01f03ec9c96945973be872d18e1efeb8e1bdbb3a7d0387aa2b1e397ace56a9cebaa9707e7fe3c3c05ec
SHA1 hash: 1fd7d75d3f8a54f329ddba0ead08cc1479078dd2
MD5 hash: c2855f1c6721f12db295ec53b0b7de27
humanhash: carbon-bacon-charlie-india
File name:Quotation-pdf-.exe
Download: download sample
Signature Formbook
File size:696'320 bytes
First seen:2023-05-01 12:23:46 UTC
Last seen:2023-05-13 22:56:04 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:vpdYkj8CFtxtIT2BenxiJC7vokQwpP2zk/fb3I3UTvJrDE6x:j9j8anIHGuT4kcEvq+
Threatray 899 similar samples on MalwareBazaar
TLSH T162E4E0132059C88AFD2DCB34D464FBF426B5BCF3E8D495272A7A3D89F9B5B01094825E
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon c0f43ebeb45012b2 (7 x AgentTesla, 4 x Loki, 2 x Formbook)
Reporter Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
248
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Quotation-pdf-.exe
Verdict:
Malicious activity
Analysis date:
2023-05-01 12:24:56 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
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:
Suspicious
Threat level:
  5/10
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
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Sigma detected: Scheduled temp file as task from temp location
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 856953 Sample: Quotation-pdf-.exe Startdate: 01/05/2023 Architecture: WINDOWS Score: 100 55 www.k59963.com 2->55 71 Snort IDS alert for network traffic 2->71 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 8 other signatures 2->77 11 Quotation-pdf-.exe 7 2->11         started        15 SHSEGwmh.exe 5 2->15         started        signatures3 process4 file5 47 C:\Users\user\AppData\Roaming\SHSEGwmh.exe, PE32 11->47 dropped 49 C:\Users\...\SHSEGwmh.exe:Zone.Identifier, ASCII 11->49 dropped 51 C:\Users\user\AppData\Local\...\tmp5B71.tmp, XML 11->51 dropped 53 C:\Users\user\...\Quotation-pdf-.exe.log, CSV 11->53 dropped 85 Uses schtasks.exe or at.exe to add and modify task schedules 11->85 87 Adds a directory exclusion to Windows Defender 11->87 89 Tries to detect virtualization through RDTSC time measurements 11->89 17 Quotation-pdf-.exe 11->17         started        20 powershell.exe 21 11->20         started        22 schtasks.exe 1 11->22         started        91 Multi AV Scanner detection for dropped file 15->91 93 Machine Learning detection for dropped file 15->93 24 SHSEGwmh.exe 15->24         started        26 schtasks.exe 1 15->26         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 17->63 65 Maps a DLL or memory area into another process 17->65 67 Sample uses process hollowing technique 17->67 69 Queues an APC in another process (thread injection) 17->69 28 explorer.exe 3 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 shops.lazyshop.com 104.18.21.149, 49685, 80 CLOUDFLARENETUS United States 28->57 59 www.howlsmovingcastlemerch.store 28->59 61 2 other IPs or domains 28->61 95 System process connects to network (likely due to code injection or exploit) 28->95 38 cmstp.exe 28->38         started        41 mstsc.exe 28->41         started        signatures11 process12 signatures13 79 Modifies the context of a thread in another process (thread injection) 38->79 81 Maps a DLL or memory area into another process 38->81 83 Tries to detect virtualization through RDTSC time measurements 38->83 43 cmd.exe 1 38->43         started        process14 process15 45 conhost.exe 43->45         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2023-05-01 02:44:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ae30 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:
b56fd59488310faed9f321af83f087656ac3c3c7d0e38f2d21a4283ed8b077a3
MD5 hash:
282ebb9b52249c2d2d05c07a3f73bb5a
SHA1 hash:
987b1df03d441c27d03b18b0ae9c3cc16570231b
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
0d34bbd8f1b13cadcbf158e777980061b6795fd81accd29825205aba00c01cd2
MD5 hash:
a5b325809c4a8fe7c12c56d45e74d8a8
SHA1 hash:
9f77583865f6f4d1467fa2e982be8c6a35723c6c
SH256 hash:
df4d1a90a574d2ee8947665da5093bd2d707bbf17c4d83c53d3f2d60fd1837df
MD5 hash:
d1ed78159811a41348e93f24b9bb3c2d
SHA1 hash:
8e0fd8888f4a17cc216ff401f01ecf057f57e9f7
SH256 hash:
e5518e76f14e87bcc58a705c6f8f3a686cbffefc0e55985d17a067adfddf3688
MD5 hash:
920a2854e9c183ad2ef7d5543c296d38
SHA1 hash:
2c20da753bdf6f1a46261e2c132dd42f75c94229
SH256 hash:
e09073dcf998e22393781592c47b91b9d5ad6b1746ed7f760f043dcffb0f5652
MD5 hash:
24500156303431e3896102dab69ea794
SHA1 hash:
1655d327ed83f1de5a28a4eafa307ee059302326
SH256 hash:
234d425a3c85a27252fa477d05a387a30a6e248f1ea17b2e7fcaac13cb9c8db3
MD5 hash:
c2855f1c6721f12db295ec53b0b7de27
SHA1 hash:
1fd7d75d3f8a54f329ddba0ead08cc1479078dd2
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 234d425a3c85a27252fa477d05a387a30a6e248f1ea17b2e7fcaac13cb9c8db3

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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