MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab3b2d262d28cb3b2fb07bb5c3692f09eafefe29057c4c35a3e62088f2d09bd1. 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 5 File information Comments

SHA256 hash: ab3b2d262d28cb3b2fb07bb5c3692f09eafefe29057c4c35a3e62088f2d09bd1
SHA3-384 hash: f08b7a2971795a00961677484a8f39e1c74f58f6be6017baa8986e99c21889d3401cbdab81cdf7492da4420cecb33b19
SHA1 hash: 231fd222c20e5f3ae53c0714cd458b0c8fbd2f7e
MD5 hash: 7df636c2bce919edadc8c3063fb302e8
humanhash: jupiter-texas-seventeen-maryland
File name:SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.7751.14342
Download: download sample
Signature Formbook
File size:231'116 bytes
First seen:2022-11-09 03:40:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 3072:WfJSq+ytGIon9KcSMuIhhwZPLNmr1bgQFqybfMe/G3Y4O6TvX6BejSrwjI3YmTjl:MEa0NJwdLNmm2Q8G3LbyBprUOYYQSJ
TLSH T15134121516E060E3E041BA7388A3EBDACB7BC914461256938B9D1F3F6177293FB3A1C5
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.7751.14342
Verdict:
Malicious activity
Analysis date:
2022-11-09 03:43:15 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
Searching for the window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
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.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Multi AV Scanner detection for domain / URL
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
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 741559 Sample: SecuriteInfo.com.Trojan.NSI... Startdate: 09/11/2022 Architecture: WINDOWS Score: 100 33 Multi AV Scanner detection for domain / URL 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 4 other signatures 2->39 9 SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.7751.14342.exe 18 2->9         started        process3 file4 25 C:\Users\user\AppData\Local\Temp\wpxbr.exe, PE32 9->25 dropped 12 wpxbr.exe 9->12         started        process5 signatures6 51 Multi AV Scanner detection for dropped file 12->51 53 Machine Learning detection for dropped file 12->53 55 Maps a DLL or memory area into another process 12->55 15 wpxbr.exe 12->15         started        process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 27 boxgamevn.com 103.200.23.179, 49704, 49705, 80 VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN Viet Nam 18->27 29 eatingdisorderstest.site 64.190.62.22, 49697, 80 NBS11696US United States 18->29 31 7 other IPs or domains 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 22 cmstp.exe 13 18->22         started        signatures11 process12 signatures13 43 Tries to steal Mail credentials (via file / registry access) 22->43 45 Tries to harvest and steal browser information (history, passwords, etc) 22->45 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49
Threat name:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2022-11-09 02:32:39 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
18 of 41 (43.90%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:fqsu rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
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
Loads dropped DLL
Executes dropped EXE
Formbook
Unpacked files
SH256 hash:
bbc5a60f9140e40979a13d24e8fae142bff9140af94fe95cc1455160781aafbb
MD5 hash:
f13d54398929634fd143ef5ea8c6a3e3
SHA1 hash:
2c9224e7a169098f9c05f869746e84fb7f6fd928
Detections:
XLoader win_formbook_auto win_formbook_g0
SH256 hash:
fc1e9c9d0524f405aab192c521a553a1483ae0de315d3277a69402fdade05491
MD5 hash:
b2a5b0e0e70eb909712785ad6fd3d296
SHA1 hash:
cd4a580c6152738ecf553db9ec4fdc8673156f80
SH256 hash:
6e59b6e2dcf1c8fa84cda9f64d7cf0190535919cf266693096453a3257a29dc6
MD5 hash:
b6fb3d6bd96f5fdfb3d2ea45bb2ebf93
SHA1 hash:
ff55c9e8e86d85f9c154f43b461d8ad0c0b68037
SH256 hash:
ab3b2d262d28cb3b2fb07bb5c3692f09eafefe29057c4c35a3e62088f2d09bd1
MD5 hash:
7df636c2bce919edadc8c3063fb302e8
SHA1 hash:
231fd222c20e5f3ae53c0714cd458b0c8fbd2f7e
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments