MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84291d10881f84cd06dd28dc30dfe76d6b8c8920f0dc63e7b068a5a03699bd90. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 84291d10881f84cd06dd28dc30dfe76d6b8c8920f0dc63e7b068a5a03699bd90
SHA3-384 hash: 03e7d66eb702c32fe0eead06a21e94cfaeab4b21ba03d7878beead32ea2c2c3140e34ac16d167d0ad18a9555b9cee68b
SHA1 hash: 2d0fae89ba336d08b690b88b365a51cf5f258799
MD5 hash: b6a83e939d77b59e15d211d4643422df
humanhash: low-florida-undress-hotel
File name:Invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:295'386 bytes
First seen:2023-07-12 06:22:58 UTC
Last seen:2023-07-12 06:43:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 429 x GuLoader)
ssdeep 6144:/Ya6y3oXELs2URiSsD+KcYOZrPp8KfCeM9QFBHyH3jzZk1oATFQ:/Yk3o0A2UR71ZZrPpzC88TdZATq
Threatray 3'328 similar samples on MalwareBazaar
TLSH T1B25412646EF0C0A7F4E209328E3D26775EADD66818345A4B17206F1AB8377D3E81F752
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 cocaman
Tags:exe FormBook INVOICE

Intelligence

File Origin
# of uploads :
3
# of downloads :
254
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice.exe
Verdict:
Suspicious activity
Analysis date:
2023-07-12 06:24:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4527a388-eb21-427c-a199-f61b8125bad2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/416322/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.22944.5227.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/97224/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/64ae46cc057bff26cf232acd/reports/3c9e84ba-243c-43dc-a2dd-0ea6fb7f1a9d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/84291d10881f84cd06dd28dc30dfe76d6b8c8920f0dc63e7b068a5a03699bd90
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/428d97ae-43a2-429e-81a3-519687975e2a
Result
Threat name:
NSISDropper, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1271614
Signature
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
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 dropped file
Multi AV Scanner detection for submitted file
Sample has a suspicious name (potential lure to open the executable)
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/84291d10881f84cd06dd28dc30dfe76d6b8c8920f0dc63e7b068a5a03699bd90/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-07-11 20:41:45 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qqur2eeid6cm2bw5fdodbx7hnvvyzcja6doghz5qncs2anuzxwia._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2ac28f2913c6e2d231d0b67b49a3491f4046221a42ca349f586e0532ac257575
Formbook
53bb0f293733cadbf6b5704cd0359b61acaa6367eb49268905714492d35ddf81
Formbook
572e8b2c173dc361f25400cbbba7a980cea2dcdf91e1245902f31d05387cec1f
Formbook
7df8d10ca657dbabf136cef185c4304862bf1a14afab532ad2708ab20789a825
Formbook
8e8dd0e9d0adac40a526531b51e77cd939d0d15f7d93fc6394d58d503b8ef8de
Formbook
dcc1c76391ceaadb1c6db678ad4811153fa107318b505d642c729abd7fe8cf1e
Formbook
e4f9c1298c90f9ffbb03d200ffdad6dae09bd94e1a408a3ba6a1b671d567b2c1
Formbook
fd4e8f61142ea384a48b69dd3b5d3b081680c3e7c6508bb5ba3cf646b813ad45
Formbook
+ 3'318 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230712-g5gq6sdb7x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
725f7c1cb88fbe4f20c377b88929c28cd50d7ace7ab02475138eb0c3e07495f9
MD5 hash:
4ec05ba605328450ecce61d190fe8869
SHA1 hash:
30f6ab43ab50109babbd52932043f4d914912935
Detections:
XLoader
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/da7b013b-f50d-4638-8a46-843ef36f4878/
Parent samples :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 hash:
dd9a00fb4e7c4ea88478607e959d011effd1fc67c56a980fec7376e5f941e009
MD5 hash:
84a3652f18fe26b7428d3394a179c166
SHA1 hash:
b7cd8ef18f98f50f0bec226aeda9c73d59c7d30e
Link:
https://www.unpac.me/results/da7b013b-f50d-4638-8a46-843ef36f4878/
SH256 hash:
0522b3f356d73a4508e12be4f79933120f3273325b1c7ae9c4b2b357d13c4df4
MD5 hash:
105dd5a40e5bd5d9be206efab585495e
SHA1 hash:
38a89da5cd58d5efc09eed07f25d30423967d4ed
Link:
https://www.unpac.me/results/da7b013b-f50d-4638-8a46-843ef36f4878/
SH256 hash:
84291d10881f84cd06dd28dc30dfe76d6b8c8920f0dc63e7b068a5a03699bd90
MD5 hash:
b6a83e939d77b59e15d211d4643422df
SHA1 hash:
2d0fae89ba336d08b690b88b365a51cf5f258799
Link:
https://www.unpac.me/results/da7b013b-f50d-4638-8a46-843ef36f4878/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/84291d10881f/report/overview.html
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
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Malspam

Formbook

rar f43ff8bb143f6da24863c080bba19cb1c8f2356ae1ce72dac146acfca67885ce

Formbook

Executable exe 84291d10881f84cd06dd28dc30dfe76d6b8c8920f0dc63e7b068a5a03699bd90

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 f43ff8bb143f6da24863c080bba19cb1c8f2356ae1ce72dac146acfca67885ce
Cape
Cape
https://www.capesandbox.com/analysis/416322/
  
Dropped by
MD5 a4f42034904b39478ddc486c0b14e2e4

Comments