MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7c4a3993e0a52f48bf8a04672d3f04c3c3c04332bf67c6037047ffc427befc1. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: a7c4a3993e0a52f48bf8a04672d3f04c3c3c04332bf67c6037047ffc427befc1
SHA3-384 hash: 9491540c1ff87a62617d303adcc62cb5df3f89a0589710d020c67423abe1bd4f80dd53ae28584622b3da6e5c6f490f22
SHA1 hash: 91254c188866f1c4762c228071485f36403e5042
MD5 hash: 86e6cf331f575603f1293e6d1f9f2ff3
humanhash: snake-mexico-winner-oregon
File name:SecuriteInfo.com.Variant.Tedy.122572.16343.12565
Download: download sample
Signature Formbook
File size:1'026'560 bytes
First seen:2022-06-02 07:30:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:q+ve3zKKGScDtqHvG0Y9VZ/eKabTQhBS0ZB9gAA6bR:qd3FvGajQHS0je
TLSH T13125DF0937EC0B1BE6FF47B9A8B1041D5776F80BAB53B76E0415A68E29717808D423B7
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13101/52/3)
8.6% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 3b39312931111141 (6 x Formbook)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
295
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Variant.Tedy.122572.16343.12565
Verdict:
Suspicious activity
Analysis date:
2022-06-02 07:46:02 UTC
Tags:
n/a

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

Behaviour
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Launching cmd.exe command interpreter
Reading critical registry keys
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cmd.exe msbuild.exe msbuild.exe obfuscated packed tracker.exe
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.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Found malware configuration
Injects a PE file into a foreign processes
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 detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 638047 Sample: SecuriteInfo.com.Variant.Te... Startdate: 02/06/2022 Architecture: WINDOWS Score: 100 36 www.vitoramsden.site 2->36 38 www.chemiststratus.com 2->38 40 vitoramsden.site 2->40 48 Snort IDS alert for network traffic 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 10 other signatures 2->54 11 SecuriteInfo.com.Variant.Tedy.122572.16343.exe 1 2->11         started        signatures3 process4 file5 34 SecuriteInfo.com.V...22572.16343.exe.log, ASCII 11->34 dropped 68 Writes to foreign memory regions 11->68 70 Allocates memory in foreign processes 11->70 72 Injects a PE file into a foreign processes 11->72 15 replace.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 42 cristiantorres.online 108.179.253.82, 49860, 49861, 49862 UNIFIEDLAYER-AS-1US United States 18->42 44 neo-dance.com 162.241.60.19, 49867, 49868, 49869 UNIFIEDLAYER-AS-1US United States 18->44 46 6 other IPs or domains 18->46 56 System process connects to network (likely due to code injection or exploit) 18->56 22 colorcpl.exe 1 12 18->22         started        signatures11 process12 signatures13 58 Tries to steal Mail credentials (via file / registry access) 22->58 60 Tries to harvest and steal browser information (history, passwords, etc) 22->60 62 Modifies the context of a thread in another process (thread injection) 22->62 64 2 other signatures 22->64 25 cmd.exe 2 22->25         started        28 cmd.exe 1 22->28         started        process14 signatures15 66 Tries to harvest and steal browser information (history, passwords, etc) 25->66 30 conhost.exe 25->30         started        32 conhost.exe 28->32         started        process16
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-06-02 02:43:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:qnse loader persistence rat spyware stealer suricata trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Adds policy Run key to start application
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
baeda288508fe2363db549f2fdad8a22fe43fb1091b891efa9bc38aed3f8e2ec
MD5 hash:
125902772a94c3454ed5f7d785c4b0bf
SHA1 hash:
bbf7adb618d66eadb8a5453dcb87a94cd56dcc7c
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
SH256 hash:
a7c4a3993e0a52f48bf8a04672d3f04c3c3c04332bf67c6037047ffc427befc1
MD5 hash:
86e6cf331f575603f1293e6d1f9f2ff3
SHA1 hash:
91254c188866f1c4762c228071485f36403e5042
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:crime_win32_ransom_avaddon_1
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
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