MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5658c7c8569ab75900d22eaae71debe1b35de848590e3e740b01baf9b05a0efa. 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: 5658c7c8569ab75900d22eaae71debe1b35de848590e3e740b01baf9b05a0efa
SHA3-384 hash: 2a376e8fcf316d696a0023bd2bd44b84cc63e8f60064b5906ab499351eff6dc2475be41d6537ed9c53cb490064d016c8
SHA1 hash: afb17d274376d1657d9cb9f9c0be5a76788006d8
MD5 hash: d0325df9173531f483806b8eae8a3020
humanhash: cat-oranges-georgia-grey
File name:NSP310923ES.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:736'256 bytes
First seen:2023-04-29 02:53:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:tiUJvOuzkDQP71x/mS0AVnJ2k1sDFatmcgEa:t3Qk7b/mwVJ2k1sDF/cla
Threatray 2'674 similar samples on MalwareBazaar
TLSH T18DF4263C19BE223BC179DBA5CFE5C427F01499AF3121AD65A8D787664706E6234C323E
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
444
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
NSP310923ES.exe
Verdict:
Malicious activity
Analysis date:
2023-04-29 02:56:10 UTC
Tags:
stealer formbook trojan
Link:
https://app.any.run/tasks/d4809fc8-e554-4c07-b271-9b22e662b4ec

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/385633/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/644c86ca1facab193c66ae6a/reports/e75497b0-bbd7-4fd1-8361-82e6510b34ba/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/5658c7c8569ab75900d22eaae71debe1b35de848590e3e740b01baf9b05a0efa
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/9d12eaf0-3c1a-4a76-984a-9d30e18d3678
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1223339
Signature
Antivirus detection for URL or domain
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 domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 856292 Sample: NSP310923ES.exe Startdate: 29/04/2023 Architecture: WINDOWS Score: 100 29 Snort IDS alert for network traffic 2->29 31 Multi AV Scanner detection for domain / URL 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 4 other signatures 2->35 8 NSP310923ES.exe 3 2->8         started        process3 file4 21 C:\Users\user\AppData\...21SP310923ES.exe.log, ASCII 8->21 dropped 11 NSP310923ES.exe 8->11         started        process5 signatures6 45 Modifies the context of a thread in another process (thread injection) 11->45 47 Maps a DLL or memory area into another process 11->47 49 Sample uses process hollowing technique 11->49 51 Queues an APC in another process (thread injection) 11->51 14 explorer.exe 2 6 11->14 injected process7 dnsIp8 23 hotelyeah.top 75.102.22.168, 49702, 49703, 49704 SERVERCENTRALUS United States 14->23 25 www.profitz.live 199.192.30.193, 49699, 49700, 49701 NAMECHEAP-NETUS United States 14->25 27 11 other IPs or domains 14->27 53 System process connects to network (likely due to code injection or exploit) 14->53 55 Performs DNS queries to domains with low reputation 14->55 18 raserver.exe 13 14->18         started        signatures9 process10 signatures11 37 Tries to steal Mail credentials (via file / registry access) 18->37 39 Tries to harvest and steal browser information (history, passwords, etc) 18->39 41 Modifies the context of a thread in another process (thread injection) 18->41 43 Maps a DLL or memory area into another process 18->43
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5658c7c8569ab75900d22eaae71debe1b35de848590e3e740b01baf9b05a0efa/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-04-26 07:08:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kzmmpscwtk3vsagsf2voohpl4gzv32cilehd45alag5ptmc2b35a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
04641e247441a72cb287998b6f36b49959d43cfef538dd806aea04a8606817fb
Formbook
0fdc5a8bd9026a352ad7c986e4c690f7a85924235ef648a2a313f12f9ea885d5
Formbook
10e1fd083fbaa700f1580863bc6bdc928fff23f2edc479c6a8d4e3d7ff57926c
Formbook
354c8752e895e413f243d8893cb1ba53c61d35c7e44233dfc59b85e382ec3c9b
Formbook
4a5ee921941ba55cd069a52fc95732b78f4c430a28236c3bd752ac350e4ffa79
Formbook
6f36dc3fdd643325de052e582d3d42a4b65b0ed900870b245540c397e31404a6
Formbook
833a839bf412c22e06f2a3c0622e460df8fc5edbf55cdad09e7b76d5d73dacaa
Formbook
d52990c3733f37b8d26a05d7db3864d5815bdfe6ecbaade840b81402e3cc29e7
Formbook
e6d16fced75e8265e62b73cf660a303c0e03f50cead978df78b0a05f51aa42dd
Formbook
+ 2'664 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230429-ddvxyabd3t/
Behaviour
Modifies Internet Explorer settings
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
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
677e31767f6a4f6c790f3f606dce29d249e620308cf0d41addc5351920afe27c
MD5 hash:
3ffa8d88a83ebb598d6ac4d3eed167cd
SHA1 hash:
89bd2403fb7bfd0805b8b856ba825dd0e314a7f2
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/b64b95d5-6952-4520-8458-c005c586b526/
Parent samples :
6f36dc3fdd643325de052e582d3d42a4b65b0ed900870b245540c397e31404a6
5658c7c8569ab75900d22eaae71debe1b35de848590e3e740b01baf9b05a0efa
7a5485f2125069864504a7667e5b12ec25e918195a849768c39148c752b023c3
cc6eac2e2359b08c5e5c37cafac26d252ca8f22992168fbf5c70a5471ed86ad6
SH256 hash:
a4548f9312f271e747ba1a89dfb35d754c0f90417674e41182af564a8a0bdd00
MD5 hash:
f7f660b583b309e75167ae044ddab9b5
SHA1 hash:
d3f470124d4a636e3d332e6ed63d6dd0138be8a7
Link:
https://www.unpac.me/results/b64b95d5-6952-4520-8458-c005c586b526/
SH256 hash:
dd942869a0c14ac107709e4244d7ccda9344c6441cd361fc92208e1fb220dd52
MD5 hash:
beef22303793584755858466859d4482
SHA1 hash:
f890bc6c05afa855ecf6f3cc279058b491bce2b7
Link:
https://www.unpac.me/results/b64b95d5-6952-4520-8458-c005c586b526/
SH256 hash:
1a9ec7803e0502435bba7ac32ad59dd2b55d63b31448074f3cdfa94f97f6a654
MD5 hash:
497715517f7909cbb04ec229a7c1c077
SHA1 hash:
aeae5216f31fdcd4678b8638ca8760f9c6bb3f36
Link:
https://www.unpac.me/results/b64b95d5-6952-4520-8458-c005c586b526/
SH256 hash:
40c050c20d957d26b932faf690f9c2933a194aa6607220103ec798f46ac03403
MD5 hash:
c768bac25fc6f0551a11310e7caba8d5
SHA1 hash:
95f9195e959fb48277c95d1dd1c97a4edff7cb3a
Link:
https://www.unpac.me/results/b64b95d5-6952-4520-8458-c005c586b526/
SH256 hash:
985add789883ebe3a7fe6b838dea358b82f645ac18403d97ae6c13044d8ab933
MD5 hash:
e909598b20760248f9c04044f389ef25
SHA1 hash:
6642171f5853fe8b4fd931ca8e95c8549011c5ba
Link:
https://www.unpac.me/results/b64b95d5-6952-4520-8458-c005c586b526/
SH256 hash:
5658c7c8569ab75900d22eaae71debe1b35de848590e3e740b01baf9b05a0efa
MD5 hash:
d0325df9173531f483806b8eae8a3020
SHA1 hash:
afb17d274376d1657d9cb9f9c0be5a76788006d8
Link:
https://www.unpac.me/results/b64b95d5-6952-4520-8458-c005c586b526/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/5658c7c8569ab75900d22eaae71debe1b35de848590e3e740b01baf9b05a0efa

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 5658c7c8569ab75900d22eaae71debe1b35de848590e3e740b01baf9b05a0efa

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/385633/

Comments