MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3a00b759deeeee0e3b83af767eb61b2aa9d3ef76fbe6d8fac1864fdfda474c4. 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: 18


Intelligence 18 IOCs YARA 3 File information Comments

SHA256 hash: a3a00b759deeeee0e3b83af767eb61b2aa9d3ef76fbe6d8fac1864fdfda474c4
SHA3-384 hash: c5c68c43078298696a522d20f944c666bb9327bcfb6c84dce3833769c05ab8cb59de0756dc339527327fa8b5a358fe17
SHA1 hash: 7b79ee2b629c3447de09355a90486990dd1b09ce
MD5 hash: 58ef5f3f6113004bd6059a1efaa5508d
humanhash: ack-sixteen-sodium-shade
File name:TIGx.exe
Download: download sample
Signature Formbook
File size:636'928 bytes
First seen:2023-08-18 17:47:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:FymHFFDrLTUyU1gGx+Uy2rDQNASoEErSKN8iZ8B7iIV:omXbqgG0UywDkoBrJ38B9V
Threatray 3'601 similar samples on MalwareBazaar
TLSH T19BD4E04133BC6A47E6BAD2F854A9518083F67E2E6161E7DE1CC530DA29F1F404BA1E37
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 00c0c4caf2d6c400 (8 x AgentTesla, 5 x Formbook, 1 x Loki)
Reporter smica83
Tags:exe FormBook HUN

Intelligence


File Origin
# of uploads :
1
# of downloads :
287
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
TIGx.exe
Verdict:
Malicious activity
Analysis date:
2023-08-18 17:50:31 UTC
Tags:
formbook xloader stealer spyware

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

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
clipbanker comodo darkkomet packed
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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: 1293548 Sample: TIGx.exe Startdate: 18/08/2023 Architecture: WINDOWS Score: 100 34 www.bmsexpert.com 2->34 36 traff-5.hugedomains.com 2->36 38 hdr-nlb7-aebd5d615260636b.elb.us-east-1.amazonaws.com 2->38 44 Snort IDS alert for network traffic 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 4 other signatures 2->50 11 TIGx.exe 3 2->11         started        signatures3 process4 signatures5 58 Tries to detect virtualization through RDTSC time measurements 11->58 60 Injects a PE file into a foreign processes 11->60 14 TIGx.exe 11->14         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 17 explorer.exe 4 6 14->17 injected process8 dnsIp9 28 www.jiahao668.com 107.149.88.241, 49755, 80 PEGTECHINCUS United States 17->28 30 parkingpage.namecheap.com 198.54.117.212, 49759, 80 NAMECHEAP-NETUS United States 17->30 32 8 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 42 Performs DNS queries to domains with low reputation 17->42 21 WWAHost.exe 17->21         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
Win32.Trojan.Tnega
Status:
Malicious
First seen:
2023-08-18 08:07:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:v93r rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
5bf4a35733e047ded9257716dc75cd6e055c34aeadb9a25fbf7cef84a99166ea
MD5 hash:
4cbe9d63bbec3127f530e5beea7580a9
SHA1 hash:
f772eda5f6f8f23b3ad24fb4ee920a5f275a7c0c
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
SH256 hash:
4d2a1a17ce2176af0fd78c038cd2eb0a9babbf2ef0218b1c77e7f680ff33dcd5
MD5 hash:
69fa9c7d00edc900cafab90773e8cf72
SHA1 hash:
b3d021b8c15f3c4a2aa315230f5bd878ea89e519
SH256 hash:
a3a00b759deeeee0e3b83af767eb61b2aa9d3ef76fbe6d8fac1864fdfda474c4
MD5 hash:
58ef5f3f6113004bd6059a1efaa5508d
SHA1 hash:
7b79ee2b629c3447de09355a90486990dd1b09ce
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:NET
Author:malware-lu
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