MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4555bb45a8a8d87ec2a075e1715934c8c43b4f260ad7d175668d4926cb4a664e. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4555bb45a8a8d87ec2a075e1715934c8c43b4f260ad7d175668d4926cb4a664e
SHA3-384 hash: 049ddeaf7ec8326cd745b7f2cc5d1f1af68147108706e6a767b8db2838f30a056f2c36dec4781ab16bf27b516ab86f49
SHA1 hash: 1f309140f69293922750d4ba6222ed6d2b42cacc
MD5 hash: ac891dbd7ffd6d31b32e0faf17f0c4d7
humanhash: fix-carpet-violet-crazy
File name:new quotations order pdf .exe
Download: download sample
Signature Formbook
Create hunting rule
File size:673'792 bytes
First seen:2022-08-19 04:44:56 UTC
Last seen:2022-09-01 23:42:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:mio411R/5Pn+/Sp1O86VriHdf8KsPKqPcJlUqaW8ZpyJs7z2X9wn0LUEjwS:ZpPdDyiHdfYP/EeWOpUwz2mnQw
TLSH T1EAE4233A63FC09B9CE1D3B71F6A90818037CB2656413EB998649F7E91F71BC08827567
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.3% (.SCR) Windows screen saver (13101/52/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon c6c6dadbd3b00810 (4 x Loki, 2 x NanoCore, 1 x RemcosRAT)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
340
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
new quotations order pdf .exe
Verdict:
Malicious activity
Analysis date:
2022-08-19 04:47:59 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/bec10cb8-f2d3-4906-b584-a89734e6f266

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/299709/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.12627.30770.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62ff15518adad7d773a1d4c7/reports/5781a79e-6d68-4331-bbe5-841613c2a2c0/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0f782026-9199-4c4a-b339-77e93801098c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1054200
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
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 submitted file
Queues an APC in another process (thread injection)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4555bb45a8a8d87ec2a075e1715934c8c43b4f260ad7d175668d4926cb4a664e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-08-17 02:14:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ivk3wrnivdmh5qvaoxqxcwjuzdcdwtzgbll5c5lgrvesns2kmzha._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ng04 rat spyware stealer trojan
Link:
https://tria.ge/reports/220819-fdd1jabdc3/
Behaviour
Gathers network information
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
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
8c70809310f41a91ff32acc19f100291f1f891b50f755f7aaf3cfaa9b3605081
MD5 hash:
c31e5d9ba7aec5414d391e20a40e396f
SHA1 hash:
7c6fadf94aa41dbbc6c36ff1ae283d054e659843
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Link:
https://www.unpac.me/results/b02b6f32-05a3-4b17-8858-7661ad72de71/
Parent samples :
bd29947fc88d96b3f5b2982d67f1d5df99aad570ce86b87ed91103b8f43c3b8f
37e6fcc2791cdc7fa2f5a433d7b13d0d57857cde8ab4aec7e5da2879eee8bb59
3267b1eb2ba481661c36673fd9ece9d49a3e6ebe215ec02210fac50673cad1be
4555bb45a8a8d87ec2a075e1715934c8c43b4f260ad7d175668d4926cb4a664e
6670643884f45c79ebf03330570074899755e1f3902d7c08316ecbde4f57efa4
886f9ff18b92cf41d4c0a56e6720304130b15a1656bdc235bd4bf190ef8fd26c
7bfd0cbe00b3e14080e2001ec896a53d2f205caa56480a0d760f8460980da76b
062e12bd387057d358d7f0ba9a20f0fd62e3f589e2660bf63e2c85eb5ea827bd
0c7b5e8115ca42bf2a539dc86e042acdd873463d4724fbb61c923a6d0aa0e869
a5b3f39420dfafa9d157f75e980c1fd8742ab42ec71d4170a8e1752589c5c83d
af4e4f24d35ee2d2d5efdfcaff5d9b5c0b6173165d66e5e22ff44c53e8a316f4
7f8b18cb89b63284a7d5fed4c53f861f8ce52a6c7c776e8d7c4b1b223202c6f8
7b7a2b8c271be1e85158974a71fc1403a4ef4d617905f019d47206084e49eb52
c0f5e01dded221a720c2173447e936c1e1148928016187fa4e8ac8e3a087b4ee
8131924855c3926690be5745c37966c5bef10c9c851054fab7729fc7fb02ba13
09cda694bcb240c7b0742de73888b7ab55db4f29ee1c6c471f4b8982dc150f5d
3d0400fb45ebf52e42f40e3c6c3c246a6c1e1550f8b974b848f57a4294084162
dae07c0c93ddde9c93128b15ba4fd8ec83a07538d3b03eda7374cfcb5441c84f
dd7311a0428c78cec1db4fbca409094ab6694db68c03aa878f9f1872ecc6e1db
e8ed49650b42ebb3a251a7353809309e94f885316bf1b0153def1c180628cee4
2cb3478355fda005cf47b9c74d29944815892efe821a57b0974969939c106d09
dd7c962afea2752944885fdd3551a0a50fc3a58f676c1466f5fb71eda72d5a24
2de425eff8193440b8b171e724acec8404b9d81ec48600847946b2b828b494f0
SH256 hash:
551ef0181260a5ab5728a618c2e86443753aaeb425e6c3b1346dfb0a661c73af
MD5 hash:
3c7205139e6aabd7de040b15021c24ed
SHA1 hash:
e4c66e4ca1bb3b5488d7c4ba7fddc8cac118955f
Link:
https://www.unpac.me/results/b02b6f32-05a3-4b17-8858-7661ad72de71/
SH256 hash:
f769caba657dc5da1d58721594c6eeb95120046de64befa672f62a2fbd4b2c8f
MD5 hash:
70c007b4889389fab518d1d937ad9a37
SHA1 hash:
a69aef97f3554c95949b050ba8ec33e847d34777
Link:
https://www.unpac.me/results/b02b6f32-05a3-4b17-8858-7661ad72de71/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/b02b6f32-05a3-4b17-8858-7661ad72de71/
SH256 hash:
41231b6a93c4a51e70c001d6d302f6c12fdc94488a0d569a03b450be57af3636
MD5 hash:
bb0f0044e948c3adefb989e0d09d0db0
SHA1 hash:
0143d9268b2c89d68e5bbd09ed62cba45182358b
Link:
https://www.unpac.me/results/b02b6f32-05a3-4b17-8858-7661ad72de71/
SH256 hash:
4555bb45a8a8d87ec2a075e1715934c8c43b4f260ad7d175668d4926cb4a664e
MD5 hash:
ac891dbd7ffd6d31b32e0faf17f0c4d7
SHA1 hash:
1f309140f69293922750d4ba6222ed6d2b42cacc
Link:
https://www.unpac.me/results/b02b6f32-05a3-4b17-8858-7661ad72de71/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/4555bb45a8a8d87ec2a075e1715934c8c43b4f260ad7d175668d4926cb4a664e

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 4555bb45a8a8d87ec2a075e1715934c8c43b4f260ad7d175668d4926cb4a664e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/299709/

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