MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5032142ba20b1c3203fb0b6c8c5f6d52c4546b233b3d11b885b4296e4887d6a8. 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: 5032142ba20b1c3203fb0b6c8c5f6d52c4546b233b3d11b885b4296e4887d6a8
SHA3-384 hash: a953a551c113c56195fefa58d2ceea8145a329e7b8b94a6e0432d2ee6e94180d83f1dcc0b612c5c8c5719ff4d8903a69
SHA1 hash: a7362cdea0f49dd256eea184b46ef78bd95b51a8
MD5 hash: c189964991dde81247ec9c506ba9d012
humanhash: ten-kitten-lemon-sink
File name:Payment Notice_pdf.exe
Download: download sample
Signature Formbook
File size:803'840 bytes
First seen:2023-02-07 17:13:08 UTC
Last seen:2023-02-07 18:40:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:D/n05FNIh652tffbnCLTkcFkiDOx92F843YLsnrsu05SlRuCOrx7p58lCrd4gyQj:Dc1465ODidRD2AsL3rxN5IC54TWMxA
TLSH T1B205230D63392B20CD8C8339D4FA5AA05335AB2DF152F71E9DD9A4E94D33F914A82B47
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)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Payment Notice_pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-02-07 17:16:59 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
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
67%
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
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 800740 Sample: Payment Notice_pdf.exe Startdate: 07/02/2023 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 7 other signatures 2->42 10 Payment Notice_pdf.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\Payment Notice_pdf.exe.log, ASCII 10->28 dropped 52 Injects a PE file into a foreign processes 10->52 14 Payment Notice_pdf.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 3 6 14->17 injected process8 dnsIp9 30 leadersvoyages.com 185.98.131.229, 49715, 80 RMI-FITECHFR France 17->30 32 www.feedfetish.com 35.213.223.0, 49714, 80 GOOGLE-2US United States 17->32 34 3 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 wscript.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-02-07 04:07:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:sz17 rat spyware stealer trojan
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
3b0d3207d4e8e1382b9f6c51594d5ff36a2bf4fb873f2296f5b3d3a6e133c198
MD5 hash:
c63ccc28137498f3e9a28af52e1c0c8f
SHA1 hash:
1c701cf3df971d7a8bef396038bbb36cdab89d26
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
6384dabeffdc0afc3d7f1e18d0033e7482790c0aa2f1f2af7cc39eb81795d0ef
MD5 hash:
f759d70f3bbee3865d9ba45b70c59bea
SHA1 hash:
f07ca29866cf8b0d92f18904860c40a284a5f550
SH256 hash:
9cb6562c69a9b4f1abdbe9d4c6182a28983ed047e5bbceb58f69e8668341817a
MD5 hash:
d41744b2d79a1b20b2e42f9f449e346d
SHA1 hash:
b730088cb33aea438ed348f31087d8e29e940b20
SH256 hash:
baf97fcebad458264d3ce8cabdcb878adfaae35585cb29db4bda2029f1636bfa
MD5 hash:
6434c928e6382053f94b71f12096fcb8
SHA1 hash:
b2053512e187c481f49988cd16ed212f631ccf7e
SH256 hash:
8617cea503c2a3961120a9c503d853bc21d38d1fca7143d6b1ef4f388bc5cec7
MD5 hash:
7f225c69df031bf0560aed3847a1221a
SHA1 hash:
4d5f3ccdb2c6015d2b2a73326c0f32b173af2819
SH256 hash:
5032142ba20b1c3203fb0b6c8c5f6d52c4546b233b3d11b885b4296e4887d6a8
MD5 hash:
c189964991dde81247ec9c506ba9d012
SHA1 hash:
a7362cdea0f49dd256eea184b46ef78bd95b51a8
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 5032142ba20b1c3203fb0b6c8c5f6d52c4546b233b3d11b885b4296e4887d6a8

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments