MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ef009e7f463f7547633cf58782dc38fe61e38e9e4fcbedf2f70311c6fa0e5a7. 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: 16


Intelligence 16 IOCs YARA 17 File information Comments
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SHA256 hash: 3ef009e7f463f7547633cf58782dc38fe61e38e9e4fcbedf2f70311c6fa0e5a7
SHA3-384 hash: 5ea8aded08e7e52df7624bda7678facb91ab806000d802063a1c9b87cd19f82aaedd1a968e6c5102e9c5164b05d3e94e
SHA1 hash: 0fa608826609fc8b0156c3cb16446ede0557051a
MD5 hash: 1bff7b7c5fb02011f9916e1a352437d4
humanhash: berlin-snake-friend-zulu
File name:PROFORMA INVOICE.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:711'680 bytes
First seen:2024-05-29 13:09:18 UTC
Last seen:2024-05-29 13:22:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:V7C9rvd+GMwgYn//56a+oHesNqOpI7hsJiVIxQ7/xsOGpYXGatL9MnPDrq:V+rvdFMgn/BbeslWhsJiGxQbxsOGWVt9
TLSH T1D4E4231CA6EDD628E13E1771D6328561C7329CA74535CF2E1FD410DA0C6FB809E2AF9A
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
411
Origin country :
US US
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
PROFORMA INVOICE.exe
Verdict:
Malicious activity
Analysis date:
2024-05-29 12:48:26 UTC
Tags:
formbook xloader stealer spyware
Link:
https://app.any.run/tasks/ee6f8791-cda8-4a6e-8ddb-542374e89d24

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.TrojanX-gen.15922.16327.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6657293b20ad30d287676bccwin7simulatehigh_evasion
Tags:
Network Heur
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/6657292efce7975594f8eda2/reports/9a862d8c-e153-41ad-824a-408af0217bd6/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3ef009e7f463f7547633cf58782dc38fe61e38e9e4fcbedf2f70311c6fa0e5a7
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/28ba28d7-3028-45ce-85bd-93401c062af3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1448980
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1448980 Sample: PROFORMA INVOICE.exe Startdate: 29/05/2024 Architecture: WINDOWS Score: 100 28 www.ycwtch.co.uk 2->28 30 www.pricekaboom.com 2->30 32 24 other IPs or domains 2->32 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 7 other signatures 2->48 10 PROFORMA INVOICE.exe 3 2->10         started        signatures3 process4 signatures5 60 Writes to foreign memory regions 10->60 62 Allocates memory in foreign processes 10->62 64 Injects a PE file into a foreign processes 10->64 13 RegSvcs.exe 10->13         started        process6 signatures7 66 Maps a DLL or memory area into another process 13->66 16 GKQSYEFqlsJgTUt.exe 13->16 injected process8 signatures9 40 Found direct / indirect Syscall (likely to bypass EDR) 16->40 19 iexpress.exe 13 16->19         started        process10 signatures11 50 Tries to steal Mail credentials (via file / registry access) 19->50 52 Tries to harvest and steal browser information (history, passwords, etc) 19->52 54 Modifies the context of a thread in another process (thread injection) 19->54 56 2 other signatures 19->56 22 GKQSYEFqlsJgTUt.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 34 pricekaboom.com 185.31.240.240, 49754, 80 ZONEZoneMediaOUEE Estonia 22->34 36 www.0bi8.fun 107.151.241.58, 49760, 49761, 49762 VPSQUANUS United States 22->36 38 9 other IPs or domains 22->38 58 Found direct / indirect Syscall (likely to bypass EDR) 22->58 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3ef009e7f463f7547633cf58782dc38fe61e38e9e4fcbedf2f70311c6fa0e5a7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3ef009e7f463f7547633cf58782dc38fe61e38e9e4fcbedf2f70311c6fa0e5a7/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-05-29 13:09:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h3yatz7ump3vi5rtz5mhqlodr7tb4ohj4t6l5xzpoayry35a4wtq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240529-qeb8fagc28/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6a9a1b8f-164b-44d7-9f69-ebc9faed152f
Unpacked files
SH256 hash:
8b61fbf60b9bfbb53489044100d6fd13911e2066242bd9b6478eeb622b4ddcb5
MD5 hash:
76a0f69d658268c4105c062e979798d6
SHA1 hash:
a461ecdc39dbfd50ecfaad1d129084c5c8a0458e
Link:
https://www.unpac.me/results/b84d4c75-e4c2-42f0-9827-03c601e01851/
SH256 hash:
fb36e835b592e7d7dd9f21db0b12b7fb99eff4d83c981beb66dbe2527399d9e2
MD5 hash:
5eef95ef55462405da2c5f0934832828
SHA1 hash:
01e7d4b5cdf17f6a2098fba3e6674e3bd2edb716
Link:
https://www.unpac.me/results/b84d4c75-e4c2-42f0-9827-03c601e01851/
SH256 hash:
1a1de9f3fe4c3a7ea7cd547cdd9d78b3873d6e243e544e5bb647452d6d9f6cfe
MD5 hash:
ceb52a5c98659e8905ea76737fe00c01
SHA1 hash:
bb7b30ff84d6aa26eaa0021c9fa3cd2c5a08e694
Link:
https://www.unpac.me/results/b84d4c75-e4c2-42f0-9827-03c601e01851/
SH256 hash:
e10be2fe3c5a03105334c4aa5d041375cfff5003a8fcfbdae3f85f065c8b2dfb
MD5 hash:
75abab80ec6efc209f38159d0315ae35
SHA1 hash:
685a9f54991985599ccfeb049ad7aa4df859b0da
Link:
https://www.unpac.me/results/b84d4c75-e4c2-42f0-9827-03c601e01851/
SH256 hash:
25b5214317428b6661d063585c9de0ceb173e0cbf529069873599ac09f179ae9
MD5 hash:
a09ba49a164d02715cea9498b85dadb3
SHA1 hash:
5cb0c737d9fb738c36ca64082b53cd2d816b6e8b
Link:
https://www.unpac.me/results/b84d4c75-e4c2-42f0-9827-03c601e01851/
Parent samples :
6379fc2cce3608db3ed95f85abf8e7391890b839c151224cca1dfc64c545b4d1
655a38b1686aa4f75f6dd4f2b59c8e9e09cde9997b46bafbe4e3dee38d859c99
SH256 hash:
3ef009e7f463f7547633cf58782dc38fe61e38e9e4fcbedf2f70311c6fa0e5a7
MD5 hash:
1bff7b7c5fb02011f9916e1a352437d4
SHA1 hash:
0fa608826609fc8b0156c3cb16446ede0557051a
Link:
https://www.unpac.me/results/b84d4c75-e4c2-42f0-9827-03c601e01851/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3ef009e7f463/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/3ef009e7f463f7547633cf58782dc38fe61e38e9e4fcbedf2f70311c6fa0e5a7

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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

  
Delivery method
Other

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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