MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 632ef368af47bedba7af9cf7ab05e6a99aa914c6290123b1c1a74cc432b6e312. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: 632ef368af47bedba7af9cf7ab05e6a99aa914c6290123b1c1a74cc432b6e312
SHA3-384 hash: 43082494046ae00f5c8aac1352d6d9733bec4e1ad9c7ef602e283a5ebd41e1ea2b320d43583949a299d968828a0851f8
SHA1 hash: 51671e10f24b93775b6b172464c6dc459e06e10d
MD5 hash: 34303e9dcd08ea32797626ad42bf0b2c
humanhash: hawaii-mango-hawaii-nine
File name:Orden de compra.pdf.exe
Download: download sample
Signature Formbook
File size:402'432 bytes
First seen:2021-11-08 21:59:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:WgrAL3/zsLfpqC+vaNsqI4ymT2xkSBO2S9jjbwG133roCr4u2:WgrAXsVqCjq4yw2xO24j0GZ7Hs
Threatray 9'247 similar samples on MalwareBazaar
TLSH T1A384E03153B9ABAAD6BD5739251050401BF5348AE337EB3E3DE140E82A75F015AB2B73
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Orden de compra.pdf.zip
Verdict:
Malicious activity
Analysis date:
2021-11-09 08:16:31 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
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
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 domain / URL
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 an obfuscated file name to hide its real file extension (double extension)
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: 518052 Sample: Orden de compra.pdf.exe Startdate: 08/11/2021 Architecture: WINDOWS Score: 100 43 www.natsmartultimatebest.rest 2->43 53 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->53 55 Multi AV Scanner detection for domain / URL 2->55 57 Found malware configuration 2->57 59 14 other signatures 2->59 11 Orden de compra.pdf.exe 7 2->11         started        signatures3 process4 file5 39 C:\Users\user\AppData\...\xLTyqOunuUyzQ.exe, PE32 11->39 dropped 41 C:\Users\user\AppData\Local\...\tmpEE5C.tmp, XML 11->41 dropped 63 Adds a directory exclusion to Windows Defender 11->63 15 RegSvcs.exe 11->15         started        18 RegSvcs.exe 11->18         started        20 powershell.exe 25 11->20         started        22 schtasks.exe 1 11->22         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 24 explorer.exe 15->24 injected 73 Tries to detect virtualization through RDTSC time measurements 18->73 28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        process9 dnsIp10 45 www.sauna-kuu.com 35.194.122.208, 49806, 80 GOOGLEUS United States 24->45 61 System process connects to network (likely due to code injection or exploit) 24->61 32 cscript.exe 24->32         started        signatures11 process12 signatures13 47 Modifies the context of a thread in another process (thread injection) 32->47 49 Maps a DLL or memory area into another process 32->49 51 Tries to detect virtualization through RDTSC time measurements 32->51 35 cmd.exe 1 32->35         started        process14 process15 37 conhost.exe 35->37         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-08 22:00:08 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:dv9n rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Gathers network information
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
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.elianedefalco.com/dv9n/
Unpacked files
SH256 hash:
91247d29e38c5d0736f69467ea73ab3b5c5af447002f4fec5aef94fa0910ea49
MD5 hash:
aff6bd42cdae47f707eb7f7d7963cbb7
SHA1 hash:
9a760d8c0bd93904227152211c9ce9418cd79858
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
91655863c7906a8d20c7c782144f553c027843a72f2fdab2b1ccc80808083af0
MD5 hash:
b5044dd0e9c91b1a9185d491da7d07f2
SHA1 hash:
a9ff8129771d85f77b6a145f750c70e53f51125e
SH256 hash:
72ef10f780e449e34a4a5cea9e07d9c79f7574cd2de6fb1a1cb26c78b57b8663
MD5 hash:
2b217525af6dd79f3dcb78e2e34fc8be
SHA1 hash:
31e4baa5f9548be7d1bb85d3ef74e86a41577c01
SH256 hash:
632ef368af47bedba7af9cf7ab05e6a99aa914c6290123b1c1a74cc432b6e312
MD5 hash:
34303e9dcd08ea32797626ad42bf0b2c
SHA1 hash:
51671e10f24b93775b6b172464c6dc459e06e10d
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: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 632ef368af47bedba7af9cf7ab05e6a99aa914c6290123b1c1a74cc432b6e312

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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