MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 10242d6d10284f205f738f1b5663b0c5c3030a37ddfab0b81b859c2b0b547de7. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: 10242d6d10284f205f738f1b5663b0c5c3030a37ddfab0b81b859c2b0b547de7
SHA3-384 hash: 64702323b82a04c2e06efefc2a5cc2490fdf9ce66f4fd80e2264fd0414aa35279f4625551a41a14bb97dc60c620da91b
SHA1 hash: 840a26d3b9beee1452e64c9ac17e3f18506fc462
MD5 hash: 436d78de92fe6cf4718f444b6d77c430
humanhash: cat-wisconsin-spring-vermont
File name:Vari.exe
Download: download sample
Signature Formbook
File size:513'024 bytes
First seen:2022-04-26 08:43:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:zFuewAqxbqpM2ayRaiBtSEVtFuxdClzjB1bB1e9tYsDfPYUYKZMUSlka4LYdcGHM:6AquRaiBt5qx6zSGeLSl6GHtdl6ZF
Threatray 15'168 similar samples on MalwareBazaar
TLSH T1C5B40268BB97DD15C26C47B384D624050730AB17E4E3E68F1ACE16EF1A12BD25D80BE7
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f8e4f239d9b8f8e0 (21 x SnakeKeylogger, 20 x AgentTesla, 11 x Formbook)
Reporter Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated 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
C2 URLs / IPs found in malware configuration
Found 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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 615562 Sample: Vari.exe Startdate: 26/04/2022 Architecture: WINDOWS Score: 100 32 www.haozhugou.com 2->32 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 7 other signatures 2->48 11 Vari.exe 3 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\Vari.exe.log, ASCII 11->30 dropped 60 Tries to detect virtualization through RDTSC time measurements 11->60 15 Vari.exe 11->15         started        signatures6 process7 signatures8 62 Modifies the context of a thread in another process (thread injection) 15->62 64 Maps a DLL or memory area into another process 15->64 66 Sample uses process hollowing technique 15->66 68 Queues an APC in another process (thread injection) 15->68 18 explorer.exe 15->18 injected process9 dnsIp10 34 www.badkyker.quest 37.123.118.150, 49812, 80 UK2NET-ASGB United Kingdom 18->34 36 www.p2psite.net 154.197.50.6, 80 SONDERCLOUDLIMITED-AS-APSonderCloudLimitedHK Seychelles 18->36 38 2 other IPs or domains 18->38 50 System process connects to network (likely due to code injection or exploit) 18->50 22 explorer.exe 12 18->22         started        signatures11 process12 dnsIp13 40 www.p2psite.net 22->40 52 System process connects to network (likely due to code injection or exploit) 22->52 54 Self deletion via cmd delete 22->54 56 Modifies the context of a thread in another process (thread injection) 22->56 58 2 other signatures 22->58 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-06 18:59:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
28 of 42 (66.67%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:hfhf loader rat
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Unpacked files
SH256 hash:
d3492b6c0770fa388c60451a16c6f713d13a01f4a811944a0233b9fb11bba155
MD5 hash:
989d8703a267516a3651bdd106ec6f79
SHA1 hash:
fce51a59c0c9d7559766fc77acafe6663a416ea3
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
fe58122a2dc9f6b7c57eb945796affbcaa214b940cc31ea78bb3a93ec99b78bd
MD5 hash:
d4be86e94d2483566e3b788be1cf4658
SHA1 hash:
9e859c78492536bbcb13ce9a1efdebf5b73a6316
SH256 hash:
4ef652b5a25bbc858799b88c60ebb1735a7d574142e9c372d916b662d82d9b88
MD5 hash:
8e1cc21bff95ca05be5f361b825729b4
SHA1 hash:
63da9fd9f96df02a44e20afddaedc8e9dc5b7cc8
SH256 hash:
793f0d4d3ca4945c5e58df1e842c1fcaca4c33c87174ad2c0871973b1255dbd8
MD5 hash:
a00761f8f2f9a98fabcaa81812d297f2
SHA1 hash:
0a406c26e0d7dde09bf753aad20d91dd29900c8b
SH256 hash:
10242d6d10284f205f738f1b5663b0c5c3030a37ddfab0b81b859c2b0b547de7
MD5 hash:
436d78de92fe6cf4718f444b6d77c430
SHA1 hash:
840a26d3b9beee1452e64c9ac17e3f18506fc462
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.

Comments