MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ba5bc20c0063cb1a4e8192d7a552cd7dba167607b57e2f44552df8a34ed490ad. 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 2 File information Comments
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SHA256 hash: ba5bc20c0063cb1a4e8192d7a552cd7dba167607b57e2f44552df8a34ed490ad
SHA3-384 hash: 9924b34748acb53047b47a504006c168d8ba1eca92ce157bfe977304fa84ca745d8bc979b2ed14e0075dc0b3196ee762
SHA1 hash: fa0183f8e4367fa7f4b72209a4f040007c37a219
MD5 hash: 9c50d404eadf1b8a4c4fcfb57c7736f2
humanhash: nitrogen-sodium-louisiana-mars
File name:z17rasbpaltaasaprbqbr.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:876'032 bytes
First seen:2023-03-07 12:08:45 UTC
Last seen:2023-03-07 13:46:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:46CCF1W6ZesX2vB9OLmn8SowCNPM3sP6PMYH4WVI2UIKsRcGaDm2:46CCF1W6ZesX2vB9OLm8xwI03sP6PWc8
Threatray 2'281 similar samples on MalwareBazaar
TLSH T1D5154A0B643E9002F49D20B51B12272FBE78D65D5E67E2F23686542BE14AD633FC2B35
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)
Reporter FXOLabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
z17rasbpaltaasaprbqbr.exe
Verdict:
Malicious activity
Analysis date:
2023-03-07 12:09:15 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/ec4eae89-ad63-4a67-9017-f54007707a4e

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/372200/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/6407295f660450d9feb946e7/reports/4b7b7bcd-6b7d-45bd-8948-d03ae7fb4f0b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/ba5bc20c0063cb1a4e8192d7a552cd7dba167607b57e2f44552df8a34ed490ad
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/fe0c21b6-9a11-43b5-88da-122f2f016dc7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1188511
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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
Uses ipconfig to lookup or modify the Windows network settings
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 821387 Sample: z17rasbpaltaasaprbqbr.exe Startdate: 07/03/2023 Architecture: WINDOWS Score: 100 68 Snort IDS alert for network traffic 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus detection for URL or domain 2->72 74 7 other signatures 2->74 10 z17rasbpaltaasaprbqbr.exe 7 2->10         started        14 FxZSkxDKUWvcAC.exe 5 2->14         started        process3 file4 46 C:\Users\user\AppData\...\FxZSkxDKUWvcAC.exe, PE32 10->46 dropped 48 C:\...\FxZSkxDKUWvcAC.exe:Zone.Identifier, ASCII 10->48 dropped 50 C:\Users\user\AppData\Local\...\tmpC0DE.tmp, XML 10->50 dropped 52 C:\Users\...\z17rasbpaltaasaprbqbr.exe.log, ASCII 10->52 dropped 82 Uses schtasks.exe or at.exe to add and modify task schedules 10->82 84 Writes to foreign memory regions 10->84 86 Allocates memory in foreign processes 10->86 94 2 other signatures 10->94 16 RegSvcs.exe 10->16         started        19 powershell.exe 21 10->19         started        21 schtasks.exe 1 10->21         started        88 Antivirus detection for dropped file 14->88 90 Multi AV Scanner detection for dropped file 14->90 92 Machine Learning detection for dropped file 14->92 23 RegSvcs.exe 14->23         started        25 schtasks.exe 1 14->25         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 16->60 62 Maps a DLL or memory area into another process 16->62 64 Sample uses process hollowing technique 16->64 66 2 other signatures 16->66 27 explorer.exe 2 1 16->27 injected 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 25->35         started        process8 dnsIp9 54 www.ciceroneto.com 156.254.249.87, 49697, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 27->54 56 www.hikehome.com 27->56 58 2 other IPs or domains 27->58 96 System process connects to network (likely due to code injection or exploit) 27->96 98 Uses ipconfig to lookup or modify the Windows network settings 27->98 37 ipconfig.exe 27->37         started        40 colorcpl.exe 27->40         started        signatures10 process11 signatures12 76 Modifies the context of a thread in another process (thread injection) 37->76 78 Maps a DLL or memory area into another process 37->78 80 Tries to detect virtualization through RDTSC time measurements 37->80 42 cmd.exe 1 37->42         started        process13 process14 44 conhost.exe 42->44         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ba5bc20c0063cb1a4e8192d7a552cd7dba167607b57e2f44552df8a34ed490ad/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-03-07 01:59:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xjn4edaampfrutubsll2kuwnpw5bm5qhwv7c6rcvfx4kgtwuscwq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
03315fc089295a2ff5733402c9a928e0fa0c26c3d67dd3610ea121845bde4f1f
Formbook
4422661ccc0d1ca90ea0427fbe9eacc398d819ef1f557c163a686fa127444c3a
Formbook
53495ecf8b97a44f42431f7a069d6d993728788af54c20ce7ece289640c3e1c9
Formbook
53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03
Formbook
9580bddf76a3d9179e760fba40850e85f6dc3baad1356165b78cf160bad11f28
Formbook
a8d97304d740bb44b27e40303d72326a34d30973e801161f4bf026fff552c1a8
Formbook
ad8fd0b0690db382dc13e6e8a7365581877af214c39ca5dd673b8cea760e8891
Formbook
c18ffd59ba4e78061980e650dc6a2b6062f2829781ff7c061ba27f96cad60b5a
Formbook
d57ad8a21aa598c3aea680ee4abdebc2ee552c290a1f5d498f3516b084a95d38
Formbook
facf2fbbac21edd7550d00e6f6916f9ee598f9c3bdc2ca0feb288c139d687672
Formbook
+ 2'271 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:de12 rat spyware stealer trojan
Link:
https://tria.ge/reports/230307-pbfwsahh38/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
47c67811d762bacc315a31a06dc94f9e541c018514540349749c70c0a2c247c9
MD5 hash:
ccdd83a29d92c3387adcec49f1a1d623
SHA1 hash:
8d82521925c19ec179b8d0d624f2a90ab079b3b8
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/5e01fdee-e752-4da6-86d1-7ae07d8fad35/
Parent samples :
6ed1841d8da5de23418d6537bd4113571b5978b5ea1199b33b24efe09d84a727
5dc78112397a04a6b3cef6f63aa0c817e641cb4cefb8fd91958cdfed48d57bbe
331a1fa77bd0b90483ec0d32a815e1e766f75ce389a8c9f26f24d3db61459e20
ba5bc20c0063cb1a4e8192d7a552cd7dba167607b57e2f44552df8a34ed490ad
a442f82c38de8318198d6dd2415b2ff10eb9851e20687ba6d4105525d1e56f0b
2e423af6933fc3a0ea48495c544378ced38053a65b5d386648e4e083d1b90198
SH256 hash:
498c0460da26cfc2c4ec95b9b394bbd3db719ba08ccbd5964a533bc9006dcf8f
MD5 hash:
f4e7e91d4fdda2d3feb401b5b1d53abf
SHA1 hash:
cf9e76e6418850ac853bd9c6ce82a0be7920fc1d
Link:
https://www.unpac.me/results/5e01fdee-e752-4da6-86d1-7ae07d8fad35/
SH256 hash:
465b6d040cf685ba6e578fd1ecf386dd4c0b04e8a0c5774ed3536d2601888edd
MD5 hash:
21b36e35589f210048a56894e0b15e43
SHA1 hash:
b8673dff9382f93f1d9f708e2cbef8e28c33d1dd
Link:
https://www.unpac.me/results/5e01fdee-e752-4da6-86d1-7ae07d8fad35/
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/5e01fdee-e752-4da6-86d1-7ae07d8fad35/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
608fdd0ae6b272e9262550bac1f6e54d5eb75e96dfd98f362b6001df445d7bf2
MD5 hash:
3abdced3fa3481be96ec0e0033f10a84
SHA1 hash:
65a49f75d6f5db7b923ae262ebd4e6fb6f975480
Link:
https://www.unpac.me/results/5e01fdee-e752-4da6-86d1-7ae07d8fad35/
SH256 hash:
ba5bc20c0063cb1a4e8192d7a552cd7dba167607b57e2f44552df8a34ed490ad
MD5 hash:
9c50d404eadf1b8a4c4fcfb57c7736f2
SHA1 hash:
fa0183f8e4367fa7f4b72209a4f040007c37a219
Link:
https://www.unpac.me/results/5e01fdee-e752-4da6-86d1-7ae07d8fad35/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ba5bc20c0063/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ba5bc20c0063cb1a4e8192d7a552cd7dba167607b57e2f44552df8a34ed490ad

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 ba5bc20c0063cb1a4e8192d7a552cd7dba167607b57e2f44552df8a34ed490ad

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/372200/

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