MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a728c1fb664386652b92e9384d57eb3c2b9a65e0d02769600ea5cd6bf45698d. 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


DBatLoader


Vendor detections: 12


Intelligence 12 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a728c1fb664386652b92e9384d57eb3c2b9a65e0d02769600ea5cd6bf45698d
SHA3-384 hash: ddd4999954d9b947c041b58b6c7b11de01d1d205452ac8aa03f54de278f26f46216be7031afbe23539f681a4be04f3df
SHA1 hash: 6136189cfa51100ad51b51c0b6c6ba0567ddab7d
MD5 hash: 237c23b0ad15bce6114c3d981d3c88ee
humanhash: uniform-skylark-juliet-low
File name:documentosXdeXembarqueXBLXpdf.exe
Download: download sample
Signature DBatLoader
Create hunting rule
File size:895'488 bytes
First seen:2022-08-15 11:35:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56fcbf938fcaf605f597e44973bb5c3f (4 x Formbook, 2 x RemcosRAT, 2 x DBatLoader)
ssdeep 24576:pkS1iKn5q5M4y7BAgAiIekzFgYgl4O2XeLoPx:pkNl5aivAl4fOLoJ
TLSH T1BA158D3AB7D58833C6B325348D1B53F4AC2A7D2A1DA8744726E92D2C6F39540773A393
TrID 26.5% (.EXE) Win32 Executable Delphi generic (14182/79/4)
24.5% (.SCR) Windows screen saver (13101/52/3)
19.7% (.EXE) Win64 Executable (generic) (10523/12/4)
8.4% (.EXE) Win32 Executable (generic) (4505/5/1)
5.6% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon 27d0d8e4d4d8f007 (7 x Formbook, 6 x RemcosRAT, 6 x DBatLoader)
Reporter lowmal3
Tags:DBatLoader exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
gond.exe
Verdict:
Malicious activity
Analysis date:
2022-08-15 07:55:35 UTC
Tags:
formbook
Link:
https://app.any.run/tasks/b9faa3a7-62cc-47c1-ae5a-93e94486a904

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/298646/
Detection(s):
SecuriteInfo.com.AI.Packer.F0A6F58C19.8063.9807.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching cmd.exe command interpreter
Creating a file in the %temp% directory
Searching for synchronization primitives
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/28987/overview
Behaviour
MalwareBazaar
CheckScreenResolution
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm greyware keylogger overlay
Link:
https://www.filescan.io/uploads/62fa2fe1e456f39ac94c2104/reports/c76be41c-da7c-436a-9ddd-a472cf5ec799/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/89a4cae0-99f8-4e99-b0e0-824ec5f5641c
Result
Threat name:
FormBook, DBatLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1051480
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject threads in other processes
Creates a thread in another existing process (thread injection)
Detected FormBook malware
Initial sample is a PE file and has a suspicious name
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 dropped 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 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 DBatLoader
Yara detected FormBook
Yara detected UAC Bypass using ComputerDefaults
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 683986 Sample: documentosXdeXembarqueXBLXpdf.exe Startdate: 15/08/2022 Architecture: WINDOWS Score: 100 84 Malicious sample detected (through community Yara rule) 2->84 86 Antivirus detection for URL or domain 2->86 88 Antivirus / Scanner detection for submitted sample 2->88 90 6 other signatures 2->90 10 documentosXdeXembarqueXBLXpdf.exe 1 16 2->10         started        process3 dnsIp4 68 ph-files.fe.1drv.com 10->68 70 onedrive.live.com 10->70 72 gheafa.ph.files.1drv.com 10->72 46 C:\Users\Public\Libraries\Cngvyckcv.exe, PE32 10->46 dropped 48 C:\Users\...\Cngvyckcv.exe:Zone.Identifier, ASCII 10->48 dropped 116 Contains functionality to inject threads in other processes 10->116 118 Writes to foreign memory regions 10->118 120 Allocates memory in foreign processes 10->120 122 2 other signatures 10->122 15 rasphone.exe 10->15         started        file5 signatures6 process7 signatures8 124 Modifies the context of a thread in another process (thread injection) 15->124 126 Maps a DLL or memory area into another process 15->126 128 Sample uses process hollowing technique 15->128 130 2 other signatures 15->130 18 explorer.exe 2 15->18 injected process9 dnsIp10 50 11ramshornroad.com 173.192.101.249, 49819, 49822, 49824 SOFTLAYERUS United States 18->50 52 www.a2zglobalimports.com 108.62.225.112, 49813, 49816, 49817 LEASEWEB-USA-SEA-10US United States 18->52 54 8 other IPs or domains 18->54 92 System process connects to network (likely due to code injection or exploit) 18->92 22 Cngvyckcv.exe 13 18->22         started        26 control.exe 18->26         started        29 Cngvyckcv.exe 13 18->29         started        31 2 other processes 18->31 signatures11 process12 dnsIp13 56 l-0003.l-dc-msedge.net 13.107.43.12, 443, 49770, 49772 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 22->56 58 l-0004.l-dc-msedge.net 13.107.43.13, 443, 49769, 49771 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 22->58 66 3 other IPs or domains 22->66 94 Antivirus detection for dropped file 22->94 96 Multi AV Scanner detection for dropped file 22->96 98 Writes to foreign memory regions 22->98 33 calc.exe 22->33         started        42 C:\Users\user\AppData\...\323logrv.ini, data 26->42 dropped 44 C:\Users\user\AppData\...\323logri.ini, data 26->44 dropped 100 Detected FormBook malware 26->100 102 Tries to steal Mail credentials (via file / registry access) 26->102 104 Tries to harvest and steal browser information (history, passwords, etc) 26->104 114 2 other signatures 26->114 36 cmd.exe 26->36         started        60 ph-files.fe.1drv.com 29->60 62 onedrive.live.com 29->62 64 gheafa.ph.files.1drv.com 29->64 106 Allocates memory in foreign processes 29->106 108 Creates a thread in another existing process (thread injection) 29->108 110 Injects a PE file into a foreign processes 29->110 38 calc.exe 29->38         started        112 Tries to detect virtualization through RDTSC time measurements 31->112 file14 signatures15 process16 signatures17 74 Modifies the context of a thread in another process (thread injection) 33->74 76 Maps a DLL or memory area into another process 33->76 78 Sample uses process hollowing technique 33->78 80 Tries to detect virtualization through RDTSC time measurements 33->80 82 Tries to harvest and steal browser information (history, passwords, etc) 36->82 40 conhost.exe 36->40         started        process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a728c1fb664386652b92e9384d57eb3c2b9a65e0d02769600ea5cd6bf45698d/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-08-15 11:33:09 UTC
File Type:
PE (Exe)
Extracted files:
44
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rjziyh5wmq4gmuvzf2jyjvl6wpbltjs6bubhnfqa5jonnp2fnggq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
modiloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:modiloader campaign:kmge persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/220815-nqkmvadac2/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Formbook payload
Formbook
ModiLoader, DBatLoader
Unpacked files
SH256 hash:
1aa0b0480f4a4a41977ee8725c0be025bf8ea30f83696633062d5741af8200af
MD5 hash:
1324549c176999f791dc1b3cb2eb1fc2
SHA1 hash:
11f4e74ba73cda5d6861fa5bf93dc5062a71e98f
Link:
https://www.unpac.me/results/7b6183b1-fe74-438c-abbf-e2021a4ea746/
SH256 hash:
8a728c1fb664386652b92e9384d57eb3c2b9a65e0d02769600ea5cd6bf45698d
MD5 hash:
237c23b0ad15bce6114c3d981d3c88ee
SHA1 hash:
6136189cfa51100ad51b51c0b6c6ba0567ddab7d
Link:
https://www.unpac.me/results/7b6183b1-fe74-438c-abbf-e2021a4ea746/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8a728c1fb664386652b92e9384d57eb3c2b9a65e0d02769600ea5cd6bf45698d

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

DBatLoader

Executable exe 8a728c1fb664386652b92e9384d57eb3c2b9a65e0d02769600ea5cd6bf45698d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/298646/

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