MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 371796cb762c7b686b0b81fe0028b06ac9908488ac0598ffe2fbbb7f66e675f7. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 371796cb762c7b686b0b81fe0028b06ac9908488ac0598ffe2fbbb7f66e675f7
SHA3-384 hash: a54fda107e88bb14654ce458f412a86e2785997b0b2990c1c0760a3614082cc04171e1a05626504a2f7b8d088d3d6918
SHA1 hash: 5267de2f302b9f20d21307f9e5c02887ecd7377c
MD5 hash: 9a1d07c40f260be6ee003d9ae877614b
humanhash: don-victor-nine-three
File name:pk3hXijbfHZz69Q.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:699'904 bytes
First seen:2024-06-12 06:39:16 UTC
Last seen:2024-06-12 07:34:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:IdXtfETu34NF6Zt4A8p56+gY7RrGcarLTj5S4A4hxl+gt9zoVYz2yUc:Id92amF6Mt3gYgcar/AeX+yE2z/
TLSH T193E4F115E30FDD68D82B1BB6CA4255F416723FA9F9015A0B1C5F3C6EB9B2B174025C8B
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon cccccccccccccccc (8 x AgentTesla, 4 x Formbook, 1 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
354
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
371796cb762c7b686b0b81fe0028b06ac9908488ac0598ffe2fbbb7f66e675f7.exe
Verdict:
Malicious activity
Analysis date:
2024-06-12 06:59:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1fa87db4-f50e-4e4e-a002-db326679323e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.TrojanX-gen.26436.2775.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=666942aea2bce47be7d7f8b7win7simulatehigh_evasion
Tags:
Generic Network Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/666942c421581a92819c721c/reports/cfa582f8-aef7-49e2-bc1f-a7237cedd3d1/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/371796cb762c7b686b0b81fe0028b06ac9908488ac0598ffe2fbbb7f66e675f7
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/84cdb1af-4305-4037-8936-d7a8c609eeed
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1455826
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
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)
Queues an APC in another process (thread injection)
Reads the DNS cache
Sample uses process hollowing technique
Snort IDS alert for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1455826 Sample: pk3hXijbfHZz69Q.exe Startdate: 12/06/2024 Architecture: WINDOWS Score: 100 33 www.xmmtrader.com 2->33 35 www.winningpickleballshots.com 2->35 37 12 other IPs or domains 2->37 45 Snort IDS alert for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 6 other signatures 2->51 11 pk3hXijbfHZz69Q.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\pk3hXijbfHZz69Q.exe.log, ASCII 11->31 dropped 65 Tries to detect virtualization through RDTSC time measurements 11->65 67 Injects a PE file into a foreign processes 11->67 69 Switches to a custom stack to bypass stack traces 11->69 15 pk3hXijbfHZz69Q.exe 11->15         started        18 pk3hXijbfHZz69Q.exe 11->18         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 2 other signatures 15->77 20 explorer.exe 66 1 15->20 injected process9 dnsIp10 39 www.warehouse-inventory-80963.bond 185.53.179.94, 49718, 80 TEAMINTERNET-ASDE Germany 20->39 41 parkingpage.namecheap.com 91.195.240.19, 49719, 80 SEDO-ASDE Germany 20->41 43 4 other IPs or domains 20->43 53 System process connects to network (likely due to code injection or exploit) 20->53 55 Uses ipconfig to lookup or modify the Windows network settings 20->55 24 ipconfig.exe 20->24         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Reads the DNS cache 24->59 61 Maps a DLL or memory area into another process 24->61 63 2 other signatures 24->63 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/371796cb762c7b686b0b81fe0028b06ac9908488ac0598ffe2fbbb7f66e675f7
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/371796cb762c7b686b0b81fe0028b06ac9908488ac0598ffe2fbbb7f66e675f7/
Threat name:
Win32.Trojan.Leonem
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Status:
Malicious
First seen:
2024-06-12 06:40:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g4lzns3wfr5wq2ylqh7aakfqnlezbbeivqczr77c7o5x6zxgox3q._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:cr12 rat spyware stealer trojan
Link:
https://tria.ge/reports/240612-he8yeatank/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/099929ce-7c48-452b-8d6b-4c534daf4029
Unpacked files
SH256 hash:
5354bc116f24a240380a1dd62ae528694ea44a96857ccdefe4bc98eea1c61067
MD5 hash:
89e349ef025a380916b91e997abe2487
SHA1 hash:
ad6eab55054ea27a970f6a075118665f10ea09bb
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/374dd390-232d-4ebe-a44f-bbf7d6417018/
Parent samples :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 hash:
d67867ef93204c27c126a41fa778fcdbf89e34a3750014d8cc4a9394a1300d96
MD5 hash:
cfddc0c2c035e91ecc76782ff513e30a
SHA1 hash:
efd2f376cd2a3574240be6b03c563f42630a6ef7
Link:
https://www.unpac.me/results/374dd390-232d-4ebe-a44f-bbf7d6417018/
Parent samples :
82cbe9fc57abd337a5bf0d0d478ae7fb9158987c1d7c5006b20e309c06329ae8
804aee8eba800043c912038c55c36edeb8dd761913047e99b4a5e8d8cb8ef6c4
SH256 hash:
1feba65bd2aa62dc3cad4b386b25e5a5922cfaaa4f0c1aecff536bf10f54dc12
MD5 hash:
21ca6aa79257797cfcf81faf284a9f89
SHA1 hash:
bb55c21f04bd9a0d6fbd40f7129ec68344bd524e
Link:
https://www.unpac.me/results/374dd390-232d-4ebe-a44f-bbf7d6417018/
SH256 hash:
06ba0e4ccff92fa776096ac8edeb1644dc1e47cf885bc62873f7ae584d2cc74b
MD5 hash:
2d2bd4cf5e13905a79e771118adabc48
SHA1 hash:
77f4fa85497f9d37f91b7db2e727a984b53f53c0
Link:
https://www.unpac.me/results/374dd390-232d-4ebe-a44f-bbf7d6417018/
SH256 hash:
371796cb762c7b686b0b81fe0028b06ac9908488ac0598ffe2fbbb7f66e675f7
MD5 hash:
9a1d07c40f260be6ee003d9ae877614b
SHA1 hash:
5267de2f302b9f20d21307f9e5c02887ecd7377c
Link:
https://www.unpac.me/results/374dd390-232d-4ebe-a44f-bbf7d6417018/
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
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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.

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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