MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4adcc8ef0f0f441cf8e44f0c3c446f620409dbf79353811fa4d6526c6752f6ae. 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: 4adcc8ef0f0f441cf8e44f0c3c446f620409dbf79353811fa4d6526c6752f6ae
SHA3-384 hash: 33113a1b9febde89436c05d8fb30e544cbae38c9e494f5bd77bcd20ff73b6d79c876108fdc56356e81ea3b57aafc706d
SHA1 hash: 76bf341ee3479f46af168f488c175002befaa0f7
MD5 hash: 5362fe7836b074ef80dc63cd3e39b7d6
humanhash: utah-colorado-magazine-carolina
File name:Akbank_Ekstre_20191102_073809_405251-PDF.com
Download: download sample
Signature Formbook
File size:301'968 bytes
First seen:2023-02-17 07:42:36 UTC
Last seen:2023-02-17 09:28:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6U85X0OjihFnvBUJ+aaUvWQSndOv5bpzyD215UlK01cGeZO:/Yy85kOWhFvIDtOQSgZyDe8eZO
Threatray 2'005 similar samples on MalwareBazaar
TLSH T10E5412A479F8C563DC56AA734CFE15879AA53213984AD30F17B06F6E3A32241C92D323
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 :
202
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Akbank_Ekstre_20191102_073809_405251-PDF.com
Verdict:
Malicious activity
Analysis date:
2023-02-17 07:44:34 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
Searching for the window
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
Reading critical registry keys
Launching a process
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Launching the default Windows debugger (dwwin.exe)
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.evad.rans.spyw
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Machine Learning detection for dropped file
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Nsisx
Status:
Malicious
First seen:
2023-02-17 07:43:05 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
13 of 39 (33.33%)
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:
edc22acc0e59095fc0f9588cf8a9eec04cdfdcc5bb238bf75a0c0ec6feedf452
MD5 hash:
60152346adcfdf331f269471ea5f2367
SHA1 hash:
bfdd2cb72806cf4c2055a87b4dc61e85e286b35f
SH256 hash:
4adcc8ef0f0f441cf8e44f0c3c446f620409dbf79353811fa4d6526c6752f6ae
MD5 hash:
5362fe7836b074ef80dc63cd3e39b7d6
SHA1 hash:
76bf341ee3479f46af168f488c175002befaa0f7
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: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.
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Malspam

Formbook

Executable exe 4adcc8ef0f0f441cf8e44f0c3c446f620409dbf79353811fa4d6526c6752f6ae

(this sample)

  
Delivery method
Distributed via e-mail attachment

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