MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98b2cb93fa623172e361ba9afdaad0c9597f9030a0275752e7b94b53a300ca35. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 98b2cb93fa623172e361ba9afdaad0c9597f9030a0275752e7b94b53a300ca35
SHA3-384 hash: 76a846dd0aa81b8db66ef55dc52a1d8f24005d4ffdbda1583d8181d998bd3a0cc06fdef34217a873ae2f70c57eaff99e
SHA1 hash: d215f74307389fe5b343e9b185a2312151fdd43d
MD5 hash: e1c5971066671101439652e2b14812d0
humanhash: oven-vermont-alpha-bravo
File name:po no-3.exe
Download: download sample
Signature Formbook
File size:527'872 bytes
First seen:2022-04-08 09:39:12 UTC
Last seen:2022-04-08 11:11:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:sh7caq/9DxtlvYRZGwMWqCR34O487LaO3c4A8b0waNm2EtplbqWDYCogZtJrx9:stAtqHJ3iOf
Threatray 14'771 similar samples on MalwareBazaar
TLSH T123B438E9365031DFC857C872CA999CB4FA9074BA430BA347B0534AADAE9D497CF101F6
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
200
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
po no-3.exe
Verdict:
Malicious activity
Analysis date:
2022-04-08 21:33:20 UTC
Tags:
formbook trojan stealer

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

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit formbook 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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-08 09:40:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
18 of 25 (72.00%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:inga loader rat
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
40c79c1389c65d04c9cb312c8289809ce29b608ac012a0340d47f3a38e605008
MD5 hash:
8f0fb0965ae5a62713154a5108c02b70
SHA1 hash:
5407d0e0646e663d9b0dc43804618cab796ac671
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
e1b1e465dd0b15fbca14d1ae6e976551f9b4ebc2374012c3cf5956dd8fd4f9dc
MD5 hash:
3fbaaadef162b4a901621b0516c4a6c6
SHA1 hash:
61cf3ea9fee2b1f59bb8031692f76e9836859c09
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
98b2cb93fa623172e361ba9afdaad0c9597f9030a0275752e7b94b53a300ca35
MD5 hash:
e1c5971066671101439652e2b14812d0
SHA1 hash:
d215f74307389fe5b343e9b185a2312151fdd43d
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 98b2cb93fa623172e361ba9afdaad0c9597f9030a0275752e7b94b53a300ca35

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments