MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8cab98913ed816e5302e5d6bdf36b565088b35c0235e017879acba43219015b. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: c8cab98913ed816e5302e5d6bdf36b565088b35c0235e017879acba43219015b
SHA3-384 hash: 6f2fa5b7e23e184175af56abcc95c0ad279b9370224a37b97281b3fe0d3de64375bc866a7430bfe8d4238a7720982765
SHA1 hash: c711ede7a4456d5dcb4672025a4f57ba18597f5d
MD5 hash: 2656591419bdcfbd0713d130141ddfd7
humanhash: cat-bakerloo-winter-alaska
File name:SecuriteInfo.com.Variant.Strictor.270431.21119.21809
Download: download sample
Signature Formbook
File size:1'041'920 bytes
First seen:2022-05-25 11:59:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:82vpr7feJCzgo16n3sVLVklKqbBc8poUNfkjZI9s/t/GHicCkt5GLSFHAiD+:9Br7JzR8n8VLVFq9azVkCt/GHNHD+
Threatray 15'810 similar samples on MalwareBazaar
TLSH T126259030264D45D8EF7D6A3AC3AEA6DC01F54DE7DA2F8D0839C62797E910E1268D3316
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 64e4ccdcb2c2d4cc (9 x Formbook, 4 x BluStealer, 3 x RemcosRAT)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
281
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Variant.Strictor.270431.21119.21809
Verdict:
Suspicious activity
Analysis date:
2022-05-25 12:08:29 UTC
Tags:
n/a

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

Behaviour
Searching for the window
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Creating a file
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Found malware configuration
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)
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 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
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 634038 Sample: SecuriteInfo.com.Variant.St... Startdate: 25/05/2022 Architecture: WINDOWS Score: 100 25 www.cushionsandmorehn.com 2->25 27 www.gurbuzsuaritma.com 2->27 29 parkingpage.namecheap.com 2->29 37 Snort IDS alert for network traffic 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 7 other signatures 2->43 10 SecuriteInfo.com.Variant.Strictor.270431.21119.exe 1 2->10         started        signatures3 process4 process5 12 cacls.exe 10->12         started        signatures6 45 Modifies the context of a thread in another process (thread injection) 12->45 47 Maps a DLL or memory area into another process 12->47 49 Sample uses process hollowing technique 12->49 51 2 other signatures 12->51 15 help.exe 12->15         started        18 explorer.exe 12->18 injected process7 dnsIp8 53 Modifies the context of a thread in another process (thread injection) 15->53 55 Maps a DLL or memory area into another process 15->55 57 Tries to detect virtualization through RDTSC time measurements 15->57 21 cmd.exe 1 15->21         started        31 www.advanceddataenterprise.net 162.255.119.204, 49795, 80 NAMECHEAP-NETUS United States 18->31 33 aryocoding.com 203.161.184.119, 49808, 80 JOGJACAMP-AS-IDPTJCIndonesiaID Indonesia 18->33 35 7 other IPs or domains 18->35 59 System process connects to network (likely due to code injection or exploit) 18->59 signatures9 process10 process11 23 conhost.exe 21->23         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-05-25 12:17:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
44
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:vadq loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
c8cab98913ed816e5302e5d6bdf36b565088b35c0235e017879acba43219015b
MD5 hash:
2656591419bdcfbd0713d130141ddfd7
SHA1 hash:
c711ede7a4456d5dcb4672025a4f57ba18597f5d
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.

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