MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb23ee4f82f854f59fff3169ac33ea885b62d02cc0005df2bf7c260c641336de. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: fb23ee4f82f854f59fff3169ac33ea885b62d02cc0005df2bf7c260c641336de
SHA3-384 hash: 211a5e75f6ce0006a24828fc2c4069c3c26a80b32b7c43784cd4fb7c53744ff36861efcd07438e5af38cc661c063e633
SHA1 hash: 4bc720e015bcf1260243232cdd5dbf04e70894ab
MD5 hash: 92357379ae043eb18398eef86596e769
humanhash: ohio-sierra-oxygen-lamp
File name:PO SAGE560.exe
Download: download sample
Signature Formbook
File size:954'368 bytes
First seen:2024-01-29 13:57:13 UTC
Last seen:2024-01-29 15:25:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:OLb2HSg3/gOxOewx0AKgv/8xor/BtJPUHUaW9Feid:43OxO7x0AKgvEqZ7sHUaWre
TLSH T135156DD1F1508C9AED6B46F1BD2AA53015E3BE9C54A4810C5A9EBB1776F3342209FE0F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
dhash icon eeacac8cb6e2ba86 (561 x SnakeKeylogger, 142 x AgentTesla, 40 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
289
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
infostealer loki 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.evad
Score:
96 / 100
Signature
.NET source code contains potential unpacker
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1382737 Sample: PO_SAGE560.exe Startdate: 29/01/2024 Architecture: WINDOWS Score: 96 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected FormBook 2->32 34 4 other signatures 2->34 9 PO_SAGE560.exe 3 2->9         started        process3 signatures4 40 Injects a PE file into a foreign processes 9->40 12 PO_SAGE560.exe 9->12         started        15 PO_SAGE560.exe 9->15         started        17 PO_SAGE560.exe 9->17         started        process5 signatures6 42 Maps a DLL or memory area into another process 12->42 19 thcUTibQgRNNYt.exe 12->19 injected process7 process8 21 DWWIN.EXE 19->21         started        signatures9 36 Maps a DLL or memory area into another process 21->36 38 Queues an APC in another process (thread injection) 21->38 24 explorer.exe 4 1 21->24 injected 26 thcUTibQgRNNYt.exe 21->26 injected process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-01-14 02:36:00 UTC
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
6901f6055fd1a9ef4eb5e0c1486eb3b0ba84fc5833c3228d48739bd5c4c310bc
MD5 hash:
35ffd9bdf0b372f95f922dac23d3441e
SHA1 hash:
5a9d34df50f68423c7ca50a1319f5cf764033e9c
Detections:
win_formbook_w0 win_formbook_g0
SH256 hash:
11d94408453f175f935f2557c48105883e289de4d53e7c228395e42c7d0d43d2
MD5 hash:
7847b2fe014ae4ec3456ec9aebfb0f3a
SHA1 hash:
7c094b787386d248323c57a8116fadd354979da5
SH256 hash:
05c701e796567a98afd664481f2667abff69a58a6d8ad3af7616a27cc4f36ed4
MD5 hash:
4b462faff3377bfbfc79fa40c9e87b60
SHA1 hash:
f719f9c1dd83df22a212ac700cd56e20e7fd892c
SH256 hash:
21afe82a0b71ee589c26f32dc88e0a6e22817f21194b2a83f1807c6cecc8c818
MD5 hash:
440bb4db146ccb1161ac2bcf365d7676
SHA1 hash:
506eda511b46df6e95d86861e70fda81307f8623
SH256 hash:
cd46040e57a5b40f8fc13e5f3331498b1a490ddfd457365f8140c44c637a35be
MD5 hash:
821bb29ca6ebec35379a0a1d7d3707c4
SHA1 hash:
09122ec4bc66eeb4090394d85cd56126d0c32d9e
SH256 hash:
fb23ee4f82f854f59fff3169ac33ea885b62d02cc0005df2bf7c260c641336de
MD5 hash:
92357379ae043eb18398eef86596e769
SHA1 hash:
4bc720e015bcf1260243232cdd5dbf04e70894ab
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:NET
Author:malware-lu
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.

Malspam

Formbook

Executable exe fb23ee4f82f854f59fff3169ac33ea885b62d02cc0005df2bf7c260c641336de

(this sample)

  
Delivery method
Distributed via e-mail attachment

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