MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b548189f28a4ba9eb3b0260dc786c4e6ca3d8758fafa26e08e3abfb9e495ef02. 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: b548189f28a4ba9eb3b0260dc786c4e6ca3d8758fafa26e08e3abfb9e495ef02
SHA3-384 hash: 390ad433727c617cbcd8d3c486ff78bea35a85442e15fa92d27107ac51b5bda1679d532c225ea578ddf0d04fad1c0637
SHA1 hash: 8778ab32a162527ed7f20e6c99bafe69d07acaa8
MD5 hash: 3b89b9b2d326b441417358a10e566fa9
humanhash: spring-football-video-cup
File name:Updated SOA.exe
Download: download sample
Signature Formbook
File size:424'448 bytes
First seen:2021-11-30 05:32:50 UTC
Last seen:2021-11-30 07:48:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:6+unk2kQqvZRH4rVbR7Mtu4KYnvT5B7adShr72DNcAjjwfxVamPnRHq/85Kb1tlQ:6zFrVbR7M3nb37adYG1jax39emStPH
Threatray 12'316 similar samples on MalwareBazaar
TLSH T14094DF9332A493F1E4795B737E53A44E17A26DF49921C10C6ED3F6DB2871B600E60AB3
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
139
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Updated SOA.exe
Verdict:
Malicious activity
Analysis date:
2021-11-30 05:36:09 UTC
Tags:
trojan formbook stealer

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
DNS request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
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:
obfuscated 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 potential unpacker
C2 URLs / IPs found in malware configuration
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
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 530885 Sample: Updated SOA.exe Startdate: 30/11/2021 Architecture: WINDOWS Score: 100 33 www.woodbinecommunityplan.com 2->33 35 irkhc4v.impervadns.net 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 7 other signatures 2->49 11 Updated SOA.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\Updated SOA.exe.log, ASCII 11->31 dropped 61 Injects a PE file into a foreign processes 11->61 15 Updated SOA.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.yanduy.com 103.224.182.241, 49779, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 18->37 39 ratqueen.art 51.161.86.13, 49777, 80 OVHFR Canada 18->39 41 10 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 WWAHost.exe 18->22         started        25 autoconv.exe 18->25         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 22->53 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-30 04:53:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:mqi9 loader rat suricata
Behaviour
Enumerates system info in registry
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
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.vulcanopresale.icu/mqi9/
Unpacked files
SH256 hash:
b19104b568ca3ddccc2a8d3d10ecddb1ea240171e798dc3a486292cfa14b6365
MD5 hash:
7b0900da932f4ed9630d65b04422736d
SHA1 hash:
6fa340436e3a8e73ae2b3e911f861483183c68ef
SH256 hash:
085bf7a12e7db5b1a1ef3dde82bae569827b1b52f44dd198838d252778cc400c
MD5 hash:
bfbb1acc7cf05cca6a110a4a590a3c47
SHA1 hash:
33561baee7913b7beea9044442ddb9c7998c341a
SH256 hash:
b548189f28a4ba9eb3b0260dc786c4e6ca3d8758fafa26e08e3abfb9e495ef02
MD5 hash:
3b89b9b2d326b441417358a10e566fa9
SHA1 hash:
8778ab32a162527ed7f20e6c99bafe69d07acaa8
Malware family:
XLoader
Verdict:
Malicious
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: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 b548189f28a4ba9eb3b0260dc786c4e6ca3d8758fafa26e08e3abfb9e495ef02

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments