MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05977847b0408ec1abb7b4cd05ad10b4004c97d5c949e579d695d47518f4f376. 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: 17


Intelligence 17 IOCs YARA 3 File information Comments

SHA256 hash: 05977847b0408ec1abb7b4cd05ad10b4004c97d5c949e579d695d47518f4f376
SHA3-384 hash: 2477fadfcbbb23ec63103860b16c8b5d7a868570a4a340b98a3e071d6d0c7037ea301c31c401dbc8651943ff70f68af5
SHA1 hash: 22bd76803c3d004f48be0b25ba0ec1920ccc3360
MD5 hash: 0d84005af71574a568567967e666cda5
humanhash: batman-jersey-batman-minnesota
File name:Halkbank_Ekstre_20191102_073809_405251-PDF.com
Download: download sample
Signature Formbook
File size:377'609 bytes
First seen:2023-02-20 10:18:53 UTC
Last seen:2023-02-20 11:42:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6ucWe1LyolA8cR/2eUiYI5fCqz7bIMXomfP4lkqrohrNBprLRVdNjnzO59geb:/YYFSbl5GuezCqnUMX9fwlBrohr3RLRk
Threatray 2'053 similar samples on MalwareBazaar
TLSH T14F84231A6BE1A433FC5986316D3B57F398FFDB667166034E13A08A0C783E515CA0E762
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 lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
224
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Halkbank_Ekstre_20191102_073809_405251-PDF.com
Verdict:
Malicious activity
Analysis date:
2023-02-20 10:21:12 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
Searching for synchronization primitives
Searching for the window
Launching a process
DNS request
Sending an HTTP GET request
Reading critical registry keys
Launching the default Windows debugger (dwwin.exe)
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:
Malicious
Threat level:
  10/10
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 dropped file
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)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 811929 Sample: Halkbank_Ekstre_20191102_07... Startdate: 20/02/2023 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 3 other signatures 2->46 9 Halkbank_Ekstre_20191102_073809_405251-PDF.com.exe 19 2->9         started        process3 file4 28 C:\Users\user\AppData\Local\...\vokkqsp.exe, PE32 9->28 dropped 12 vokkqsp.exe 1 9->12         started        process5 signatures6 60 Antivirus detection for dropped file 12->60 62 Multi AV Scanner detection for dropped file 12->62 64 Detected unpacking (changes PE section rights) 12->64 66 Maps a DLL or memory area into another process 12->66 15 vokkqsp.exe 12->15         started        18 conhost.exe 12->18         started        process7 signatures8 68 Modifies the context of a thread in another process (thread injection) 15->68 70 Maps a DLL or memory area into another process 15->70 72 Sample uses process hollowing technique 15->72 74 Queues an APC in another process (thread injection) 15->74 20 explorer.exe 3 1 15->20 injected process9 dnsIp10 30 www.energybig.xyz 184.94.215.91, 49698, 49699, 80 VXCHNGE-NC01US United States 20->30 32 cutgang.net 194.102.227.30, 80 VODAFONE_ROCharlesdeGaullenr15RO Romania 20->32 34 7 other IPs or domains 20->34 48 System process connects to network (likely due to code injection or exploit) 20->48 50 Performs DNS queries to domains with low reputation 20->50 24 colorcpl.exe 13 20->24         started        signatures11 process12 dnsIp13 36 www.cutgang.net 24->36 38 cutgang.net 24->38 52 Tries to steal Mail credentials (via file / registry access) 24->52 54 Tries to harvest and steal browser information (history, passwords, etc) 24->54 56 Modifies the context of a thread in another process (thread injection) 24->56 58 Maps a DLL or memory area into another process 24->58 signatures14
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-02-20 10:19:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
23 of 25 (92.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Gathers network information
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
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
a15c8513d6045f6b20e637c749209827a2b00f4f5c4eee7da4e950d11f0552f2
MD5 hash:
2d87b7759a0ec743070c7a484d6435c2
SHA1 hash:
5085cfc12612ea590dcec452b500398464632d81
SH256 hash:
781f358357ce4f799737854af64991142d497e815e3e1e3ff092d7b37ebff87b
MD5 hash:
d2faf24547268d9525ae7e78cd4de87a
SHA1 hash:
eecd83fca0b5772c22728699ae6aec2725dead04
SH256 hash:
05977847b0408ec1abb7b4cd05ad10b4004c97d5c949e579d695d47518f4f376
MD5 hash:
0d84005af71574a568567967e666cda5
SHA1 hash:
22bd76803c3d004f48be0b25ba0ec1920ccc3360
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

Malspam

Formbook

Executable exe 05977847b0408ec1abb7b4cd05ad10b4004c97d5c949e579d695d47518f4f376

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments