MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 17bb531735f33a166212965ab1e2db2157c2c0835fb5ff1c40e7da7c10c92971. 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 3 File information Comments

SHA256 hash: 17bb531735f33a166212965ab1e2db2157c2c0835fb5ff1c40e7da7c10c92971
SHA3-384 hash: 1e9e0e50ab8df6379169894f735e3e7dba8363da05d146a6dbe2a93f1a74206b6fd27cf126853ff37190632bcf135f69
SHA1 hash: edfb84f3ac3424493306e301c4d9f77a9d9c37bb
MD5 hash: 03aef9b838cfd02eb62441f189e9ff85
humanhash: alanine-beryllium-three-magnesium
File name:SecuriteInfo.com.W32.AIDetectNet.01.380.14623
Download: download sample
Signature Formbook
File size:299'192 bytes
First seen:2022-07-07 15:43:17 UTC
Last seen:2022-07-07 21:52:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:Rka9gMW7GOsHP0mXwmEv3oiiNGNTpjnAKhscOYJTd6P4UpaUT7pSIcZoNx71Hq:BgR7GOWwLv3FEGN5AKhs9YZoP4UpaUTg
TLSH T1A7548DDD722071DEC85BC4719AA81DB8FA6075BB931B8207A02715EDEE0D99BDF140F2
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
272
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SKM_22718091909461.iso
Verdict:
Malicious activity
Analysis date:
2022-07-07 21:52:24 UTC
Tags:
formbook trojan stealer phishing

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
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed wacatac
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
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected unpacking (changes PE section rights)
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
PE file contains section with special chars
PE file has nameless sections
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 virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 659097 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 07/07/2022 Architecture: WINDOWS Score: 100 32 www.mutinybrewworks.com 2->32 34 www.blizzardboy.net 2->34 36 parking.namesilo.com 2->36 50 Snort IDS alert for network traffic 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 7 other signatures 2->56 11 SecuriteInfo.com.W32.AIDetectNet.01.380.exe 1 2->11         started        signatures3 process4 file5 30 SecuriteInfo.com.W...tNet.01.380.exe.log, ASCII 11->30 dropped 66 Detected unpacking (changes PE section rights) 11->66 68 Writes to foreign memory regions 11->68 70 Allocates memory in foreign processes 11->70 72 2 other signatures 11->72 15 cvtres.exe 11->15         started        signatures6 process7 signatures8 74 Modifies the context of a thread in another process (thread injection) 15->74 76 Maps a DLL or memory area into another process 15->76 78 Sample uses process hollowing technique 15->78 80 2 other signatures 15->80 18 explorer.exe 15->18 injected process9 dnsIp10 38 www.street-art-ink.com 217.26.61.86, 49925, 80 HOSTPOINT-ASCH Switzerland 18->38 40 www.arcwarp.com 188.114.96.3, 49920, 80 CLOUDFLARENETUS European Union 18->40 42 3 other IPs or domains 18->42 58 System process connects to network (likely due to code injection or exploit) 18->58 22 help.exe 12 18->22         started        signatures11 process12 dnsIp13 44 www.ebwagner.com 22->44 46 198.54.117.210, 49910, 80 NAMECHEAP-NETUS United States 22->46 48 2 other IPs or domains 22->48 60 Modifies the context of a thread in another process (thread injection) 22->60 62 Maps a DLL or memory area into another process 22->62 64 Tries to detect virtualization through RDTSC time measurements 22->64 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-07-07 15:33:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:tn61 loader persistence rat spyware stealer suricata
Behaviour
Gathers network information
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
c255e016dab3d29f31f8ab97b4a51e424267fd456a7a7b1fad5610b4c2b97fc0
MD5 hash:
dc42037bc83489ba6ac2513a184590c3
SHA1 hash:
26e3e9e7a3d125b7c9926a11ffcf61b8f4d5f405
Detections:
win_formbook_g0 win_formbook_auto XLoader
SH256 hash:
e9f25e72ff59631a4fb00c9cf28ea9fe45e8015d0e4ac95f4dcd879bf6b8cd57
MD5 hash:
88d7c9ce2f4589fa80fdf0a04ff37342
SHA1 hash:
4a1ea4eff12cc336afd105cf418c271cfc100951
SH256 hash:
17bb531735f33a166212965ab1e2db2157c2c0835fb5ff1c40e7da7c10c92971
MD5 hash:
03aef9b838cfd02eb62441f189e9ff85
SHA1 hash:
edfb84f3ac3424493306e301c4d9f77a9d9c37bb
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:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
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.

Comments