MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 352eb5d636ad87a61ea9e461cb9ded8d45981e4b2ea05f025595b0b7c8830644. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 352eb5d636ad87a61ea9e461cb9ded8d45981e4b2ea05f025595b0b7c8830644
SHA3-384 hash: 7bdbea521e46f1b53cb7016e38e4e9b374d2c4610a798e893d27d0f4a5f8e14e30951a667a272c3f327801f12717e989
SHA1 hash: 6c314a5c0c62f108cb415196629dfa52b67afc14
MD5 hash: ebbeb56414bd60e4198ef2f29ca4465e
humanhash: seven-alpha-hawaii-solar
File name:SecuriteInfo.com.W32.AIDetectNet.01.31429.23525
Download: download sample
Signature Formbook
Create hunting rule
File size:492'544 bytes
First seen:2022-07-21 23:45:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'659 x Formbook, 12'250 x SnakeKeylogger)
ssdeep 12288:czrHTfbdhkf9hRqaDAEvVG//rypNBie7Z9pJSIJl:MTDdhIUqhVGHrypNBie7zvBr
TLSH T11AA4022929D83B53D885F3F18A22EB390652DE147411238D98B57C579EB1A427A3F33F
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 60d898c8d8a8c08c (7 x Formbook, 7 x SnakeKeylogger, 3 x MassLogger)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
345
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.W32.AIDetectNet.01.31429.23525
Verdict:
Malicious activity
Analysis date:
2022-07-22 08:27:41 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/6837a660-da02-4fa6-99cc-bdff90b59df7

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/293274/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.31429.23525.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
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:
packed
Link:
https://www.filescan.io/uploads/62d9e594b1b58ed7a1781054/reports/8c8c1519-c610-453d-91c7-1d7f0eeaf0e0/overview
Result
Verdict:
UNKNOWN
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/e4d7a462-03a9-4193-b6b5-5bac7f1eafe9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1038931
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in 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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 671425 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 22/07/2022 Architecture: WINDOWS Score: 100 31 www.ragznmops.com 2->31 33 ghs.googlehosted.com 2->33 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus / Scanner detection for submitted sample 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 7 other signatures 2->45 11 SecuriteInfo.com.W32.AIDetectNet.01.31429.exe 3 2->11         started        signatures3 process4 file5 29 SecuriteInfo.com.W...et.01.31429.exe.log, ASCII 11->29 dropped 55 Writes to foreign memory regions 11->55 57 Allocates memory in foreign processes 11->57 59 Injects a PE file into a foreign processes 11->59 15 InstallUtil.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 2 other signatures 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 recambiodeventanas.com 174.136.57.250, 49814, 80 AS-TIERP-36024US United States 18->35 37 www.recambiodeventanas.com 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 help.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/352eb5d636ad87a61ea9e461cb9ded8d45981e4b2ea05f025595b0b7c8830644/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-07-21 21:27:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=guxllvrwvwd2mhvj4rq4xhpnrvczqhslf2qf6asvswylpsedazca._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:nt19 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220721-3r92fsbdbr/
Behaviour
Enumerates system info in registry
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
Suspicious use of SetThreadContext
Formbook payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
46f50f09dbf31691b9e7a6bab676813824b1c8c57735fcc60b43fc280a664d51
MD5 hash:
78dad9e796802f2acd51fbb38c699086
SHA1 hash:
aff2ee8ed78e9af3bf5a1f2615fa4343b173b4e9
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Link:
https://www.unpac.me/results/fa56a22d-c787-4347-9162-739348c5ea90/
SH256 hash:
a6acfe617040a5005be0d1675756dc9f09596d3bb2bb3ebc8a2c6881b8c4cfd7
MD5 hash:
db843358b89f4074346cab346720ab06
SHA1 hash:
94d77a5f2d66f20baf557ad30c3ab284665980d9
Link:
https://www.unpac.me/results/fa56a22d-c787-4347-9162-739348c5ea90/
SH256 hash:
14d8b11fa1e41d01fe4c7b6e52bdd967571ff87766944cd9f8fc89e7cae932b4
MD5 hash:
dca16d8e189cee0727d0af4df0395d43
SHA1 hash:
6c81a5b28c4c7148cb7981419ba47bb6f607ef75
Link:
https://www.unpac.me/results/fa56a22d-c787-4347-9162-739348c5ea90/
SH256 hash:
352eb5d636ad87a61ea9e461cb9ded8d45981e4b2ea05f025595b0b7c8830644
MD5 hash:
ebbeb56414bd60e4198ef2f29ca4465e
SHA1 hash:
6c314a5c0c62f108cb415196629dfa52b67afc14
Link:
https://www.unpac.me/results/fa56a22d-c787-4347-9162-739348c5ea90/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/352eb5d636ad/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/352eb5d636ad87a61ea9e461cb9ded8d45981e4b2ea05f025595b0b7c8830644

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/293274/

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