MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f1fdd853ecbdbfc3bb305ae99020e0671fa6e3a5f96f7d7c41afb2a751c1a59. 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 11 File information Comments
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SHA256 hash: 4f1fdd853ecbdbfc3bb305ae99020e0671fa6e3a5f96f7d7c41afb2a751c1a59
SHA3-384 hash: 736abc15266c978586789e05975dc94dfcd9e44ce99f9b4624415c5ebd94d81d0cac3689e47acf68f855685a0030be37
SHA1 hash: 678548c12b8a3bac4157d9fb781c074ef144c71f
MD5 hash: d478a7b6d57d691e70a1521a675e10d3
humanhash: ten-pizza-early-charlie
File name:PMP-INS-93-2436-IN-1017.scr
Download: download sample
Signature Formbook
Create hunting rule
File size:717'832 bytes
First seen:2024-06-18 06:41:17 UTC
Last seen:2024-06-18 07:21:55 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:pFIsPAx7E6NyFdTLGHe8LRX0b5dzo/fx2+nfJDeLFgSQ2ZterZApQJb5XEitkR:vIKCw6N20e8d0bPQfU+nfJDuqd2/erZE
TLSH T1BAE4124677BC9B54D6BA0BF081A1450227F9BAA73274D2DE5C8135EB09F2F508353E2B
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)
File icon (PE):PE icon
dhash icon 72ead2ceaeeccea2 (5 x Formbook, 1 x RedLineStealer)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
340
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4f1fdd853ecbdbfc3bb305ae99020e0671fa6e3a5f96f7d7c41afb2a751c1a59.exe
Verdict:
Malicious activity
Analysis date:
2024-06-18 06:42:10 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/56d7dd82-baeb-4664-99cc-e8c98a84e2a6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.11634.5176.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66712e410f8138dd4ead07e4win7simulatehigh_evasion
Tags:
Encryption Generic Static Msil
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade overlay packed vbnet
Link:
https://www.filescan.io/uploads/66712c3aef9fdf64aa6c4e3e/reports/084a7e13-346a-4bff-8896-08d3648b5704/overview
Verdict:
Malicious
Labled as:
Strictor.Generic
Link:
https://www.hybrid-analysis.com/sample/4f1fdd853ecbdbfc3bb305ae99020e0671fa6e3a5f96f7d7c41afb2a751c1a59
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:
MSIL Injector
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d294c2ef-7567-4e82-bf17-9584fc46dba8
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1458697
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
AI detected suspicious sample
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Snort IDS alert for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1458697 Sample: PMP-INS-93-2436-IN-1017.scr.exe Startdate: 18/06/2024 Architecture: WINDOWS Score: 100 31 www.techsterverse.xyz 2->31 33 www.tedjp-x.com 2->33 35 13 other IPs or domains 2->35 45 Snort IDS alert for network traffic 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 53 8 other signatures 2->53 10 PMP-INS-93-2436-IN-1017.scr.exe 3 2->10         started        signatures3 51 Performs DNS queries to domains with low reputation 31->51 process4 file5 29 C:\...\PMP-INS-93-2436-IN-1017.scr.exe.log, ASCII 10->29 dropped 65 Injects a PE file into a foreign processes 10->65 14 PMP-INS-93-2436-IN-1017.scr.exe 10->14         started        signatures6 process7 signatures8 67 Maps a DLL or memory area into another process 14->67 17 IhhTwboThVxMJfSsfiKyKbxgtur.exe 14->17 injected process9 signatures10 43 Found direct / indirect Syscall (likely to bypass EDR) 17->43 20 w32tm.exe 13 17->20         started        process11 signatures12 55 Tries to steal Mail credentials (via file / registry access) 20->55 57 Tries to harvest and steal browser information (history, passwords, etc) 20->57 59 Modifies the context of a thread in another process (thread injection) 20->59 61 3 other signatures 20->61 23 IhhTwboThVxMJfSsfiKyKbxgtur.exe 20->23 injected 27 firefox.exe 20->27         started        process13 dnsIp14 37 www.techsterverse.xyz 203.161.49.220, 49732, 49733, 49734 VNPT-AS-VNVNPTCorpVN Malaysia 23->37 39 www.globalcred.co 103.224.182.250, 49728, 49729, 49730 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 23->39 41 8 other IPs or domains 23->41 63 Found direct / indirect Syscall (likely to bypass EDR) 23->63 signatures15
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4f1fdd853ecbdbfc3bb305ae99020e0671fa6e3a5f96f7d7c41afb2a751c1a59
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4f1fdd853ecbdbfc3bb305ae99020e0671fa6e3a5f96f7d7c41afb2a751c1a59/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-06-18 04:54:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j4p53bj6zpn7yo5tawxjsaqoazy7u3r2l6lppv6edl5su5i4djmq._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/240618-hgb2fsvhnr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7cb63ab9-82ef-467d-a43d-14e10e018bde
Unpacked files
SH256 hash:
e2327f54d264f8bcedd2ec06c8a4319e0cc85d352f648e73a356e429ee98e984
MD5 hash:
95bf2eb66d39d677372debfec399fbb0
SHA1 hash:
43b65120c4dbdf57794ed6b08a2a238658122654
Link:
https://www.unpac.me/results/7ec58547-4d5b-4c21-9051-6e41d3e4e027/
SH256 hash:
03082265a0fc5cd55397038e6162d4e5135e6f0cc847c5552e896a2f3c587fd0
MD5 hash:
6649bbe5cf8d5a99a1d1a99a2ab3dab7
SHA1 hash:
5f4f5354d23d09e00f404379f163a3cf4ccc3058
Link:
https://www.unpac.me/results/7ec58547-4d5b-4c21-9051-6e41d3e4e027/
SH256 hash:
e617f0f94d324226a4e172090dd1d68176b6631ac622a048b13ad1aaf00730a7
MD5 hash:
04464bcbef75a2e5c253b507f3f8baa8
SHA1 hash:
727294658505fc39745204e7f5852521f84c902a
Link:
https://www.unpac.me/results/7ec58547-4d5b-4c21-9051-6e41d3e4e027/
SH256 hash:
c4b12039bfed4c8bbb9d1376004da60480e49a379a84c9e60565bbd5caef07b2
MD5 hash:
144f7fcaaa3b81b0a3706203a7f1add8
SHA1 hash:
4bc14913fd448b4a2664e1e9ba664a1c6e9a9194
Link:
https://www.unpac.me/results/7ec58547-4d5b-4c21-9051-6e41d3e4e027/
SH256 hash:
b68369797d20c20e7c86b51e432bbb5329dabde7c01e0c3399c7daf584017bb5
MD5 hash:
3f5b0dfe4c08fe5b093a1ebded7b19a9
SHA1 hash:
14c59900c4186727d8d9a9dd296e71248a0b6206
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/7ec58547-4d5b-4c21-9051-6e41d3e4e027/
SH256 hash:
4f1fdd853ecbdbfc3bb305ae99020e0671fa6e3a5f96f7d7c41afb2a751c1a59
MD5 hash:
d478a7b6d57d691e70a1521a675e10d3
SHA1 hash:
678548c12b8a3bac4157d9fb781c074ef144c71f
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/7ec58547-4d5b-4c21-9051-6e41d3e4e027/
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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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.

Malspam

Formbook

Executable exe 4f1fdd853ecbdbfc3bb305ae99020e0671fa6e3a5f96f7d7c41afb2a751c1a59

(this sample)

  
Delivery method
Distributed via e-mail attachment

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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