MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6de63b7890315976d74cb265d71a3c370cfcc337eb20831cce254355529b4e03. 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: 15


Intelligence 15 IOCs YARA 7 File information Comments

SHA256 hash: 6de63b7890315976d74cb265d71a3c370cfcc337eb20831cce254355529b4e03
SHA3-384 hash: 137ce9718ca48b239addb9c949a2ae4e4931738e02dfafc85fdf07d977627f9f278498312333764c64cdac4b7505f118
SHA1 hash: 8459c4ffa86bf763852dc79bc989b05be6f50616
MD5 hash: a3131b657140b8f58a26255c15c07508
humanhash: fish-mike-friend-lima
File name:Halkbank_Ekstre_20191102_073809_405251-PDF.exe
Download: download sample
Signature Formbook
File size:293'250 bytes
First seen:2023-01-27 14:34:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6HT7wPnbSWNiHdAt8yWGcpxmsGKT0f73yq4eTxf1X8:/YlT7wPfId9yWTzGdMeVNM
TLSH T1E2541295B5A4D28FDCB217315F7A0B015FEB96122421A70E2BA0CB2EBD377919D0E317
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook geo Halkbank TUR

Intelligence


File Origin
# of uploads :
1
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Halkbank_Ekstre_20191102_073809_405251-PDF.exe
Verdict:
Malicious activity
Analysis date:
2023-01-27 14:36:25 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 file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
overlay packed shell32.dll
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.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 793039 Sample: Halkbank_Ekstre_20191102_07... Startdate: 27/01/2023 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 55 3 other signatures 2->55 9 Halkbank_Ekstre_20191102_073809_405251-PDF.exe 19 2->9         started        process3 dnsIp4 39 192.168.2.1 unknown unknown 9->39 27 C:\Users\user\AppData\...\kjinqdtotm.exe, PE32 9->27 dropped 13 kjinqdtotm.exe 9->13         started        file5 process6 signatures7 71 Multi AV Scanner detection for dropped file 13->71 73 Detected unpacking (changes PE section rights) 13->73 75 Maps a DLL or memory area into another process 13->75 16 kjinqdtotm.exe 13->16         started        process8 signatures9 41 Modifies the context of a thread in another process (thread injection) 16->41 43 Maps a DLL or memory area into another process 16->43 45 Sample uses process hollowing technique 16->45 47 Queues an APC in another process (thread injection) 16->47 19 explorer.exe 4 6 16->19 injected process10 dnsIp11 29 www.energybig.xyz 184.94.215.91, 49703, 80 VXCHNGE-NC01US United States 19->29 31 cutgang.net 194.102.227.30, 80 VODAFONE_ROCharlesdeGaullenr15RO Romania 19->31 33 2 other IPs or domains 19->33 57 System process connects to network (likely due to code injection or exploit) 19->57 59 Performs DNS queries to domains with low reputation 19->59 61 Uses ipconfig to lookup or modify the Windows network settings 19->61 23 ipconfig.exe 13 19->23         started        signatures12 process13 dnsIp14 35 www.cutgang.net 23->35 37 cutgang.net 23->37 63 Tries to steal Mail credentials (via file / registry access) 23->63 65 Tries to harvest and steal browser information (history, passwords, etc) 23->65 67 Modifies the context of a thread in another process (thread injection) 23->67 69 Maps a DLL or memory area into another process 23->69 signatures15
Threat name:
Win32.Trojan.Nsisx
Status:
Malicious
First seen:
2023-01-27 14:35:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Gathers network information
Modifies Internet Explorer settings
Modifies registry class
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
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
a15c8513d6045f6b20e637c749209827a2b00f4f5c4eee7da4e950d11f0552f2
MD5 hash:
2d87b7759a0ec743070c7a484d6435c2
SHA1 hash:
5085cfc12612ea590dcec452b500398464632d81
SH256 hash:
5d8c019a45641610d58755b9b8ede3b201dd559b1d48e62202081c27148e07a8
MD5 hash:
db018a28145740a8a2ebb8a0f70da24a
SHA1 hash:
93c5a75c4c57b1d7cbc93a71c4f7a6127c8b640d
SH256 hash:
6de63b7890315976d74cb265d71a3c370cfcc337eb20831cce254355529b4e03
MD5 hash:
a3131b657140b8f58a26255c15c07508
SHA1 hash:
8459c4ffa86bf763852dc79bc989b05be6f50616
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:azov_Dropped
Author:Potatech
Description:Azov Detection
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Malspam

Formbook

Executable exe 6de63b7890315976d74cb265d71a3c370cfcc337eb20831cce254355529b4e03

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments