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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f1d97b426097b4534644a7950d22e0e41aa9355dadea037fc2d7712c5bdc669. 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: 6f1d97b426097b4534644a7950d22e0e41aa9355dadea037fc2d7712c5bdc669
SHA3-384 hash: 3b6ace13cb24708257b36dd4c493311e23d7f56e8be73ce0d0c16c2e290f5faa7df45998bfe234a998b3c1921ad6f7c2
SHA1 hash: 1dd3e798f915bef3165a649b307cb4881fdbd41d
MD5 hash: f63d6f2e2dde5f8bc0e1975321f4786a
humanhash: equal-september-sad-india
File name:IN0098767898AA.exe
Download: download sample
Signature Formbook
File size:650'240 bytes
First seen:2023-02-09 03:52:01 UTC
Last seen:2023-02-09 05:31:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'294 x AgentTesla, 20'712 x Formbook, 12'401 x SnakeKeylogger)
ssdeep 12288:AyGiPb+HT0qE8S6S7ztLHKNu+A+/1bKBZlAN4wss0uM8Du9ud30UopGHzGv0dF:Tb8vOztLHKNu+A+/1bKBwKLl8iM1TGv+
TLSH T1FAD4C33E1D7656E2E0B9FB7186E28420B59C8193330FC91AD9DADBC07F016826DCE65D
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter Anonymous
Tags:exe FormBook Gozi

Intelligence


File Origin
# of uploads :
2
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
IN0098767898AA.exe
Verdict:
Malicious activity
Analysis date:
2023-02-09 03:54:47 UTC
Tags:
trojan formbook 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 window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Reading critical registry keys
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
packed
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
Antivirus detection for URL or domain
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
Snort IDS alert for network traffic
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 802359 Sample: IN0098767898AA.exe Startdate: 09/02/2023 Architecture: WINDOWS Score: 100 31 www.lastmilerent.com 2->31 35 Snort IDS alert for network traffic 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 6 other signatures 2->41 9 IN0098767898AA.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\user\...\IN0098767898AA.exe.log, ASCII 9->23 dropped 51 Injects a PE file into a foreign processes 9->51 13 IN0098767898AA.exe 9->13         started        signatures6 process7 signatures8 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 16 explorer.exe 3 1 13->16 injected process9 dnsIp10 25 www.domainsupportcenter.com 81.17.18.196, 49707, 49708, 49709 PLI-ASCH Switzerland 16->25 27 www.nortonseecurity.com 77.247.179.88, 49701, 49702, 49703 NFORCENL Netherlands 16->27 29 6 other IPs or domains 16->29 33 System process connects to network (likely due to code injection or exploit) 16->33 20 explorer.exe 13 16->20         started        signatures11 process12 signatures13 43 Tries to steal Mail credentials (via file / registry access) 20->43 45 Tries to harvest and steal browser information (history, passwords, etc) 20->45 47 Modifies the context of a thread in another process (thread injection) 20->47 49 Maps a DLL or memory area into another process 20->49
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2023-02-08 11:57:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Gathers network information
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
985b8033795e5ab9b05c6918f64329cf23ba39754d2c68a04988f7cec1b9c6b8
MD5 hash:
b919eb27c521e48212adb1a3a408e3af
SHA1 hash:
5da964ae7d4486b45c5740aeefdd9de6bdef6f84
Detections:
win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
6a988947bcf69f3e4065160af73efbe8b1a9827937662d0ffc4dd5a9c987fc80
MD5 hash:
4a4c507f5cb7896acc5a93ad9860de1b
SHA1 hash:
8a7fdc14855aee028cd2303fbcf23325335b2bc7
SH256 hash:
145dbc06545c560c868f1ebf62010df69fb493a0da01b18b3a414187694bbbd4
MD5 hash:
420760978baf92af8e4a815cdab99b9b
SHA1 hash:
9b185f1e229be211bd7cfee0e9336353ad4fcb54
SH256 hash:
94c2ba257a21a0eb4527346753abdedc7bb2fe3aa72d20642546994626602129
MD5 hash:
874dcc6be499121b1425bfdff1f8ad46
SHA1 hash:
66f83bedc73876b77e152c604b8214bde86d965e
SH256 hash:
6f1d97b426097b4534644a7950d22e0e41aa9355dadea037fc2d7712c5bdc669
MD5 hash:
f63d6f2e2dde5f8bc0e1975321f4786a
SHA1 hash:
1dd3e798f915bef3165a649b307cb4881fdbd41d
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 6f1d97b426097b4534644a7950d22e0e41aa9355dadea037fc2d7712c5bdc669

(this sample)

  
Dropped by
gOzI
  
Delivery method
Distributed via e-mail attachment

Comments