MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3529bb4358b034bf22fde4efddd1a4cf78f882f8778fb47ab9acf90345edb353. 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 3 File information Comments

SHA256 hash: 3529bb4358b034bf22fde4efddd1a4cf78f882f8778fb47ab9acf90345edb353
SHA3-384 hash: 52064db77cae4ce25da7a8fce6efb0950f2b4f581c390c58cb3641a061462cba1826f3b34e39244d9fb562d170b65d8c
SHA1 hash: 7732f2bca70e31107df8970afeb1cfc3f05a8f1c
MD5 hash: 169392441c74578071a93fe83516c2c2
humanhash: may-princess-social-oregon
File name:RFQ.exe
Download: download sample
Signature Formbook
File size:610'816 bytes
First seen:2022-06-15 09:01:57 UTC
Last seen:2022-06-20 09:12:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:B6ea0F0jxKb2SvS/BBx55uBbmSdl885OnXWUZc1IV0tOC99D207P1zEA+cxCel0v:zb2/BBx55ulmSdl8OOnmX
TLSH T1B2D4D6AC366C75DFC85BC4729AA85C64EA6024BFA71B5203902315EDEE0DB87DF144F2
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
274
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
RFQ.exe
Verdict:
Malicious activity
Analysis date:
2022-06-15 09:03:48 UTC
Tags:
formbook

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

Behaviour
Сreating synchronization primitives
Creating a window
Launching a process
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 646031 Sample: RFQ.exe Startdate: 15/06/2022 Architecture: WINDOWS Score: 100 36 www.modelhouse-cyberhill.com 2->36 44 Multi AV Scanner detection for domain / URL 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 7 other signatures 2->50 10 RFQ.exe 3 2->10         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\...\RFQ.exe.log, ASCII 10->34 dropped 64 Writes to foreign memory regions 10->64 66 Injects a PE file into a foreign processes 10->66 14 RegSvcs.exe 10->14         started        17 RegSvcs.exe 10->17         started        signatures6 process7 signatures8 68 Modifies the context of a thread in another process (thread injection) 14->68 70 Maps a DLL or memory area into another process 14->70 72 Sample uses process hollowing technique 14->72 74 Queues an APC in another process (thread injection) 14->74 19 msdt.exe 1 12 14->19         started        22 explorer.exe 1 14->22 injected 76 Tries to detect virtualization through RDTSC time measurements 17->76 process9 dnsIp10 52 Tries to steal Mail credentials (via file / registry access) 19->52 54 Tries to harvest and steal browser information (history, passwords, etc) 19->54 56 Modifies the context of a thread in another process (thread injection) 19->56 60 2 other signatures 19->60 25 cmd.exe 2 19->25         started        28 cmd.exe 1 19->28         started        38 www.gljxpj.com 156.234.184.244, 49857, 49858, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 22->38 40 www.timinis23.com 199.192.23.166, 49827, 80 NAMECHEAP-NETUS United States 22->40 42 3 other IPs or domains 22->42 58 System process connects to network (likely due to code injection or exploit) 22->58 signatures11 process12 signatures13 62 Tries to harvest and steal browser information (history, passwords, etc) 25->62 30 conhost.exe 25->30         started        32 conhost.exe 28->32         started        process14
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-15 03:58:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:sdzp loader persistence rat suricata
Behaviour
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
Adds policy Run key to start application
Blocklisted process makes network request
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
458ad19d732bfa0cd002f00706b0e4681fd772c8a088bbf65e664be761f8ce3a
MD5 hash:
fc16296d4278495c6cc333ba10e8791c
SHA1 hash:
ccd0048b59dc250030730c7fe4f52aa9d9418c68
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
3529bb4358b034bf22fde4efddd1a4cf78f882f8778fb47ab9acf90345edb353
MD5 hash:
169392441c74578071a93fe83516c2c2
SHA1 hash:
7732f2bca70e31107df8970afeb1cfc3f05a8f1c
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.

Malspam

Formbook

Executable exe 3529bb4358b034bf22fde4efddd1a4cf78f882f8778fb47ab9acf90345edb353

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments