MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64ac613672e24621e590d79800c1028624f90cd6edbab8b64c9608c17497e8bb. 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
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SHA256 hash: 64ac613672e24621e590d79800c1028624f90cd6edbab8b64c9608c17497e8bb
SHA3-384 hash: 61ab26d09e42e04c2f2e8df292cf5b836b573a3be323d23e8aecab1856bd9daebe6afc05310fd15dda82e6ec7e461514
SHA1 hash: 047a2fac7f1e5d59340867c99d14f90adf5a1a16
MD5 hash: 0405849afe352cb943b5ef38e33e5f39
humanhash: item-magazine-hot-oklahoma
File name:Confirmaci?n de pago.pdf.exe
Download: download sample
Signature Formbook
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File size:715'776 bytes
First seen:2022-08-04 15:55:32 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:CuJg6SKlpxr5SRwJmxvN/LzlIYOHK9TgIRqaVNZFryxx8w1219KAJ:1nLlpxr5SRwJmxvNLpeHK9lv8M7KAJ
TLSH T12DE40141329A4F47D2BB6FF0B26510411BF2667FB562E2980DDA2CFB55B3B434A21E07
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 604Kuzushi
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
420
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
bc3e1e48-a4f4-49cb-b62c-03452c0061c6
Verdict:
Malicious activity
Analysis date:
2022-08-04 15:57:56 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/b6fbeb18-7f3b-4197-91e6-1287942ca741

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/296522/
Detection(s):
SecuriteInfo.com.Trojan.Siggen18.31908.2865.17160.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62ebec4fbcf76fcb6ce4b0c3/reports/280c62a3-bcd0-44bb-9d49-c0cbbebaac79/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/77abc9db-100a-4a03-8b54-e94f5c5d10fa
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1046379
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
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Uses netstat to query active network connections and open ports
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 signatures2 2 Behavior Graph ID: 678872 Sample: Confirmaci_n de pago.pdf.exe Startdate: 04/08/2022 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 Yara detected AntiVM3 2->49 51 10 other signatures 2->51 10 Confirmaci_n de pago.pdf.exe 7 2->10         started        process3 file4 37 C:\Users\user\AppData\...\txDCmPlJtF.exe, PE32 10->37 dropped 39 C:\Users\...\txDCmPlJtF.exe:Zone.Identifier, ASCII 10->39 dropped 41 C:\Users\user\AppData\Local\Temp\tmp350.tmp, XML 10->41 dropped 43 C:\Users\...\Confirmaci_n de pago.pdf.exe.log, ASCII 10->43 dropped 55 Adds a directory exclusion to Windows Defender 10->55 14 RegSvcs.exe 10->14         started        17 RegSvcs.exe 10->17         started        19 powershell.exe 21 10->19         started        21 2 other processes 10->21 signatures5 process6 signatures7 57 Modifies the context of a thread in another process (thread injection) 14->57 59 Maps a DLL or memory area into another process 14->59 61 Sample uses process hollowing technique 14->61 63 Queues an APC in another process (thread injection) 14->63 23 explorer.exe 14->23 injected 65 Tries to detect virtualization through RDTSC time measurements 17->65 26 conhost.exe 19->26         started        28 conhost.exe 21->28         started        process8 signatures9 53 Uses netstat to query active network connections and open ports 23->53 30 NETSTAT.EXE 23->30         started        process10 signatures11 67 Modifies the context of a thread in another process (thread injection) 30->67 69 Maps a DLL or memory area into another process 30->69 71 Tries to detect virtualization through RDTSC time measurements 30->71 33 cmd.exe 1 30->33         started        process12 process13 35 conhost.exe 33->35         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/64ac613672e24621e590d79800c1028624f90cd6edbab8b64c9608c17497e8bb/
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
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Status:
Malicious
First seen:
2022-08-04 15:56:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
22 of 26 (84.62%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mswgcnts4jdcdzmq26mabqicqyspsdgw5w5lrnsmsyemc5ex5c5q._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:de08 rat spyware stealer trojan
Link:
https://tria.ge/reports/220804-tdcdlahfcp/
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
Formbook payload
Formbook
Unpacked files
SH256 hash:
3f78f0ffadf4d713bbf5893516266f1528159c5f76d2b0c004162c3c76ca1684
MD5 hash:
035b80025b80603c2338447c8f9deae9
SHA1 hash:
99cd99c2d63e71c6e0d389b8ec0734d4b98c0e72
Detections:
win_formbook_g0
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win_formbook_auto
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FormBook
Create hunting rule
Link:
https://www.unpac.me/results/9e941b91-8490-420d-86af-b0d13a55e70e/
Parent samples :
f6a2ab289569d6ab9ecdc198bda044a10591fb4dfb2178977abbe4fdf168df09
089fdb9024c9f8436e2c2a7e0e8734266fe5d65bcdbaf99fac4a26b0879b29d9
a4d4881fbb39f3c33e4cca9b4b3d129e8dec8033cf37fb291eacd909e40bab80
8b3400df5cde1ae7cb0fd19326152d173f6a43cfc7864355f047232dd7f53df0
b91bc0502520088a6dc736f33af703305dc0c17ad94085ac6f4f9a027a9757a4
11f548bf822afed0e9721c9dad0132cfc29fe5cc5812a2051ccde349ce213f49
0001fbca7cb8ec51415d5ffb9fe2d910dc2b14805d9daa1cc98bbbb9c701a261
80d967b707bb161f63ea1f4dd4b18ca3bea87e5ccc1ecfbbafe1ce251eaf2386
a69ee77f4eb102a3528594435748d3a1e2925022a6d986eac8d32feb068c1f36
48e555471397fce54223437aa6e9db5221c563ba4af719bbbfa473349439d06e
64ac613672e24621e590d79800c1028624f90cd6edbab8b64c9608c17497e8bb
9f5c15008d8c1a4483280a798be31f8bec9a3924e9ccb4e74a33bb7dfa077c3b
88faa5aa9f7b5ec0c332eb9c1be6024c984240f61a40d27db64a5a88adb3cbdf
3b59b87549a05648ed765f8de50208d3454d35fcad8c01cce3126f3bb56c96aa
6de750cf7e7a9f7a3fced7712ebde1360102bf175362c71e3f304d01eaa59e30
fcdb032b3ca98e852552b0fef55d098f05cc1da4137cf0b50ef78837788202bf
869eb8d82b8d7148e06b8545f0a69506d59f1bb8ef51eca9bf703b40391ff3a2
7d929f57b1c799a23dfbdcd1bfbfbd51d410b9ff8f967103caeed51886226621
96f3c5ec010ca95c0a3f1df85987132464bfc6a33564fc9e7d4c36b4f535fb4f
80553589648306a021f1ba53410b6bc40a3b30392a1dfd0993f131514207b162
27acd2d5346bddc51729ae4f186f5f9b50d04ad1045d3d67a3fa855ed04ff6ae
7b01392dcda28188e0a1c6b4a37937cac12cd1578b3c0c7aa934944383404d44
SH256 hash:
4757f855519e5c765afbf04b06ca58253d215f874dbd03427263c032c5136c18
MD5 hash:
d23b83819ea90a290bff38fdd4cbcdba
SHA1 hash:
ff08f24a88c006802baa21ca7474d8a8cd04fe01
Link:
https://www.unpac.me/results/9e941b91-8490-420d-86af-b0d13a55e70e/
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/9e941b91-8490-420d-86af-b0d13a55e70e/
SH256 hash:
a9c5b2c628a47247402ff05d399855caf6f6a22146d44cd0fd9d7fc05a65ba66
MD5 hash:
228ff1006be83039e4de2b5e0475a5b0
SHA1 hash:
3adef5cc343067fa6b9d5e712114dc619c867a72
Link:
https://www.unpac.me/results/9e941b91-8490-420d-86af-b0d13a55e70e/
SH256 hash:
d50e704a39ee342ac38f82c0082700be9799df2e7cdf9aec06745e76c7a462a7
MD5 hash:
4b5ce24b0c293cd33d8c0731d768cd17
SHA1 hash:
02ce5d72b961096a60fe47b4db2d22cec8dc0772
Link:
https://www.unpac.me/results/9e941b91-8490-420d-86af-b0d13a55e70e/
SH256 hash:
64ac613672e24621e590d79800c1028624f90cd6edbab8b64c9608c17497e8bb
MD5 hash:
0405849afe352cb943b5ef38e33e5f39
SHA1 hash:
047a2fac7f1e5d59340867c99d14f90adf5a1a16
Link:
https://www.unpac.me/results/9e941b91-8490-420d-86af-b0d13a55e70e/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/64ac613672e2/report/overview.html
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/64ac613672e24621e590d79800c1028624f90cd6edbab8b64c9608c17497e8bb

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
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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.

Malspam

Formbook

Executable exe 64ac613672e24621e590d79800c1028624f90cd6edbab8b64c9608c17497e8bb

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/296522/

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