MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4aba71c5e7292eeea13722a41fc53166e50a6d7cdf6a1a28b94ca8c1cfc2245. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: d4aba71c5e7292eeea13722a41fc53166e50a6d7cdf6a1a28b94ca8c1cfc2245
SHA3-384 hash: a9a7697dfe7767b9b2ea46f8a3ea037157a3b11bb2fbd4bdd575be7d2c78dafa73a0d7ff33d04c92ef97522a6bb59da5
SHA1 hash: 2de2ff251c9fc219643733316138af6d210bb725
MD5 hash: 3a50c049cb7c89e9a6829f1725d31555
humanhash: mountain-happy-lemon-thirteen
File name:SecuriteInfo.com.W32.AIDetectNet.01.17983.29545
Download: download sample
Signature Formbook
File size:278'040 bytes
First seen:2022-06-20 13:43:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:Q89PfqA8dGP9bFbwps2/Jn4LpzFLwvPi7Pox5KXGIj7rsT:QymE9btz2xWHLwvGPFX7rsT
TLSH T11A44F11BB3988F01C5686A3AD8DF0A2427E49EC23533E7167F59725C49833E35E1A6CD
TrID 52.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
22.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.5% (.EXE) Win64 Executable (generic) (10523/12/4)
4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Searching for synchronization primitives
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay 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
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Performs DNS queries to domains with low reputation
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
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 648846 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 20/06/2022 Architecture: WINDOWS Score: 100 32 www.gtmbod.xyz 2->32 34 www.hecsearc.com 2->34 38 Snort IDS alert for network traffic 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 7 other signatures 2->44 9 SecuriteInfo.com.W32.AIDetectNet.01.17983.exe 1 2->9         started        signatures3 process4 file5 24 SecuriteInfo.com.W...et.01.17983.exe.log, ASCII 9->24 dropped 12 cvtres.exe 9->12         started        15 cvtres.exe 9->15         started        process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 12->52 54 Maps a DLL or memory area into another process 12->54 56 Sample uses process hollowing technique 12->56 58 Queues an APC in another process (thread injection) 12->58 17 explorer.exe 12->17 injected 60 Tries to detect virtualization through RDTSC time measurements 15->60 process8 dnsIp9 26 seinoflower.net 133.167.8.74, 49859, 80 SAKURA-CSAKURAInternetIncJP Japan 17->26 28 crock-biscuiterie.com 109.234.164.224, 49868, 80 O2SWITCHFR France 17->28 30 8 other IPs or domains 17->30 36 System process connects to network (likely due to code injection or exploit) 17->36 21 cmmon32.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50
Threat name:
Win32.Trojan.Tiggre
Status:
Malicious
First seen:
2022-06-20 09:57:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:r8f2 loader rat spyware stealer suricata
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
ca018c21a3e848b96d807bc5d7b465d147ca5005d83743ffc3fe79d840e82c16
MD5 hash:
17141e0156ed9702c4cb8f4807680053
SHA1 hash:
59c5365610742c5fb3b9cf06a1eab1f6143a241e
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
c391ae31938be57ac5adae02d0b873de1cdda6637a87b323817d0af47c8af37f
MD5 hash:
b608fe91b6a2f51cd3ee532f7d918f20
SHA1 hash:
c8c0008700f73e46110da8483a45f78dfb28b46f
SH256 hash:
d4aba71c5e7292eeea13722a41fc53166e50a6d7cdf6a1a28b94ca8c1cfc2245
MD5 hash:
3a50c049cb7c89e9a6829f1725d31555
SHA1 hash:
2de2ff251c9fc219643733316138af6d210bb725
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:exploit_any_poppopret
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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