MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13e8e9cf97e4d1357797ef4253db3c784ef8dbf39725214f1b174991c0e1ae4d. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 13e8e9cf97e4d1357797ef4253db3c784ef8dbf39725214f1b174991c0e1ae4d
SHA3-384 hash: 136c204dbdbb4ef454ca2b39ccc1e9ab6bbc053a4a924dfa999472f3be547583296785be0d67acf9d9e061c686f8fded
SHA1 hash: a949ff75e683ec0a7f2126a8f1df543139c6f46a
MD5 hash: c7e9150cc6ae77c5bbd9be7b502a7359
humanhash: florida-maine-fanta-black
File name:tmgF4oswp3fH2HU.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:656'904 bytes
First seen:2024-04-28 09:22:15 UTC
Last seen:2024-04-28 10:35:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:JNgLeFR635lv312Z3jvtbxmJRll6MuVkC2GGEiHB781c/Ih8DTo92lMnO+qBtLuO:o5J312ZL52ZuV1jjiHq1c/Ih8XlMnmP
Threatray 615 similar samples on MalwareBazaar
TLSH T109D4121537FD8E42C27E6FB60DBA810507F2F85E6930C2DD0C9652DEA1C5B509EA1B2B
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon ccd444444444d4d4 (6 x Formbook, 4 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
318
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
13e8e9cf97e4d1357797ef4253db3c784ef8dbf39725214f1b174991c0e1ae4d.exe
Verdict:
Malicious activity
Analysis date:
2024-04-28 09:45:36 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/30369e73-8425-42e9-82de-269a6b4710fd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/662e157b47bfd8641eb8ce47/reports/fc04f0d0-82b1-48ba-a006-8411ad7e0f43/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/13e8e9cf97e4d1357797ef4253db3c784ef8dbf39725214f1b174991c0e1ae4d
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/5c86a24f-9377-4789-b530-80654c578bba
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1432838
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Multi AV Scanner detection for submitted file
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 detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1432838 Sample: tmgF4oswp3fH2HU.exe Startdate: 28/04/2024 Architecture: WINDOWS Score: 100 36 www.tractionendurancecoaching.com 2->36 38 www.kiwiceleste.store 2->38 40 5 other IPs or domains 2->40 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 10 other signatures 2->50 11 tmgF4oswp3fH2HU.exe 3 2->11         started        signatures3 process4 signatures5 58 Tries to detect virtualization through RDTSC time measurements 11->58 60 Injects a PE file into a foreign processes 11->60 14 tmgF4oswp3fH2HU.exe 11->14         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 17 explorer.exe 27 1 14->17 injected process8 dnsIp9 30 wp.wpenginepowered.com 141.193.213.11, 49717, 80 DV-PRIMARY-ASN1US United States 17->30 32 shops.myshopify.com 23.227.38.74, 49714, 80 CLOUDFLARENETUS Canada 17->32 34 2 other IPs or domains 17->34 42 System process connects to network (likely due to code injection or exploit) 17->42 21 systray.exe 17->21         started        24 autochk.exe 17->24         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/13e8e9cf97e4d1357797ef4253db3c784ef8dbf39725214f1b174991c0e1ae4d
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/13e8e9cf97e4d1357797ef4253db3c784ef8dbf39725214f1b174991c0e1ae4d/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-04-24 05:02:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cpuott4x4titk54x55bfhwz4pbhprw7ts4sscty3c5ezdqhbvzgq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
6465b2c5702a723c7229e33fdf38676e3b0e0049b5b632e2fe6e210713f6a7e7
Formbook
81f6e3ff9cc821300e30acd628d0579793806ebfb89941d04f9bc33998f9a851
Formbook
864b5669f18681ae03edbd7c3b3bbf6732e55191d4883f18783eb9c611fa9a17
Formbook
87698c1e19d65ae8f35f18b98690093601458944fe6317009f884c4e3b2a4842
Formbook
bcf3670fe7a029d453f1887f16b97b8577235980909aa282d410cd927fb53a7f
Formbook
d0b94b855d2f24add1edf6b3a6ecae24e4366f181a1ccd0bcd3b27e94de95bc0
Formbook
e3c50af5dfca67fd9af9530c801ef172bde856241cf6b2c8596421b9a7ae8882
Formbook
f7decb942c4d2f001d2f810978463780697403597ed4f5102a19c27edd649ce3
Formbook
ff5d67d2cfdae5296cda453f2f78fcacd79169bb9dbbe94a2007d9dcb382d2ef
Formbook
+ 605 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:be03 rat spyware stealer trojan
Link:
https://tria.ge/reports/240428-lcgmxscg5w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
5b6088011ffd5987d7865e80b4beffb0956de30e9302c4e02967cd3db015c764
MD5 hash:
d4ba0da7424479013329b0c45f055acf
SHA1 hash:
a5cb4377e88ba0de340ad2a9a18bf5dae543b2fd
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/d5f59348-4ae8-450d-82fe-015fa9254811/
Parent samples :
864b5669f18681ae03edbd7c3b3bbf6732e55191d4883f18783eb9c611fa9a17
6465b2c5702a723c7229e33fdf38676e3b0e0049b5b632e2fe6e210713f6a7e7
13e8e9cf97e4d1357797ef4253db3c784ef8dbf39725214f1b174991c0e1ae4d
c4b6e4bd4131eaa2fba28259570135346ea35a90bf271bab1560f019550698fd
e5435dd5c1dab1fd1a738ddf914ea9af64e89daa4b141b3075f53f0960805dbe
SH256 hash:
1c633f39a192f108f755e0bcf412e8489ad80781f3b7807c80892deb2526ff0d
MD5 hash:
e4b5d57e9e46a4e76075b5b92f71577f
SHA1 hash:
d76dc165724148193c6911cc75fc62c198737d3a
Link:
https://www.unpac.me/results/d5f59348-4ae8-450d-82fe-015fa9254811/
Parent samples :
d89ea6a01347b82f963ed7960583e5d76c6a07e91852fae83bc290e0f64a06b2
3f700fd41c6cca501d50cc2f62afd8e0d951efc1a918aa65ab3e84ee563ff1d6
26a36920e7a463398a4251828ec02fd965ad1d782f819b0c04904706efb083be
SH256 hash:
a3de65d9607fa28995b6d60b0ad501d36107454865c7a74e8121ec11320ae565
MD5 hash:
7dfefede4d4b4d15fe2c4d83996e9e1a
SHA1 hash:
62e0258f0a8d23d17225ff7ad0b304ab12a9fd6a
Link:
https://www.unpac.me/results/d5f59348-4ae8-450d-82fe-015fa9254811/
SH256 hash:
37e7075b4b338be557ca3e2d8140663ccec638ca99473ee0bf40b6429509d65e
MD5 hash:
56826b0a8f28d99b00899940f5121402
SHA1 hash:
58c2240729bd336befe1abfdf84497cb685d7ce6
Link:
https://www.unpac.me/results/d5f59348-4ae8-450d-82fe-015fa9254811/
SH256 hash:
13e8e9cf97e4d1357797ef4253db3c784ef8dbf39725214f1b174991c0e1ae4d
MD5 hash:
c7e9150cc6ae77c5bbd9be7b502a7359
SHA1 hash:
a949ff75e683ec0a7f2126a8f1df543139c6f46a
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/d5f59348-4ae8-450d-82fe-015fa9254811/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/13e8e9cf97e4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/13e8e9cf97e4d1357797ef4253db3c784ef8dbf39725214f1b174991c0e1ae4d

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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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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