MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff5d67d2cfdae5296cda453f2f78fcacd79169bb9dbbe94a2007d9dcb382d2ef. 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: ff5d67d2cfdae5296cda453f2f78fcacd79169bb9dbbe94a2007d9dcb382d2ef
SHA3-384 hash: ac1c2ee0360d6c57cfd76799bb775e160bb6cd035a1e7e159edbd747611eebd43f56052922af4a5499a52bb09413432d
SHA1 hash: 3f49034d7415ecdeaf887afff1a95199ba2043ff
MD5 hash: 4d7e0095c7770a52783f6dfc479bafa0
humanhash: solar-snake-bakerloo-cup
File name:ZIMUXIA8376.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:783'872 bytes
First seen:2024-04-28 08:58:15 UTC
Last seen:2024-04-28 09:31:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:8CqnHvjNIrpf9rN/mc/Ciu2OAgXH/q6tVKfvfOkx6Mnf1SVfeEyuOlQnPssJAMDl:8/PjKr5BNDYEUH/q6tVqvGwtsVmEXksp
Threatray 608 similar samples on MalwareBazaar
TLSH T11FF4232273789A6BC3749BB444B4511667F2B5451862EBEC5CC131CBAAB8F01EF12F93
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.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 68d0d0d898d8d868 (10 x AgentTesla, 5 x Formbook, 2 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
284
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ff5d67d2cfdae5296cda453f2f78fcacd79169bb9dbbe94a2007d9dcb382d2ef.exe
Verdict:
Malicious activity
Analysis date:
2024-04-28 09:12:32 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ac6c0926-4c0d-428e-9c32-fb42e4dfcbad

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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
infostealer packed
Link:
https://www.filescan.io/uploads/662e0fd775339da04fa45b2f/reports/5cd262a3-824f-49d1-a62b-65933d79b3cd/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/ff5d67d2cfdae5296cda453f2f78fcacd79169bb9dbbe94a2007d9dcb382d2ef
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/f2a66c9f-aa21-4bd9-bf1e-c518dd67b609
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1432816
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Rundll32 Execution Without CommandLine Parameters
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1432816 Sample: ZIMUXIA8376.exe Startdate: 28/04/2024 Architecture: WINDOWS Score: 100 57 www.seangalbraithphotography.com 2->57 59 www.luxury-collectables.com 2->59 61 2 other IPs or domains 2->61 79 Snort IDS alert for network traffic 2->79 81 Found malware configuration 2->81 83 Malicious sample detected (through community Yara rule) 2->83 85 13 other signatures 2->85 11 ZIMUXIA8376.exe 7 2->11         started        15 aBHfONTpHr.exe 5 2->15         started        signatures3 process4 file5 53 C:\Users\user\AppData\...\aBHfONTpHr.exe, PE32 11->53 dropped 55 C:\Users\user\AppData\Local\...\tmp9438.tmp, XML 11->55 dropped 93 Uses schtasks.exe or at.exe to add and modify task schedules 11->93 95 Adds a directory exclusion to Windows Defender 11->95 97 Tries to detect virtualization through RDTSC time measurements 11->97 99 Injects a PE file into a foreign processes 11->99 17 ZIMUXIA8376.exe 11->17         started        20 powershell.exe 23 11->20         started        22 schtasks.exe 1 11->22         started        24 ZIMUXIA8376.exe 11->24         started        101 Antivirus detection for dropped file 15->101 103 Multi AV Scanner detection for dropped file 15->103 105 Machine Learning detection for dropped file 15->105 26 aBHfONTpHr.exe 15->26         started        28 schtasks.exe 1 15->28         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 17->69 71 Maps a DLL or memory area into another process 17->71 73 Sample uses process hollowing technique 17->73 75 Queues an APC in another process (thread injection) 17->75 30 explorer.exe 34 1 17->30 injected 77 Loading BitLocker PowerShell Module 20->77 34 conhost.exe 20->34         started        36 WmiPrvSE.exe 20->36         started        38 conhost.exe 22->38         started        40 conhost.exe 28->40         started        process9 dnsIp10 63 www.seangalbraithphotography.com 216.40.34.41, 49716, 80 TUCOWSCA Canada 30->63 65 www.luxury-collectables.com 91.195.240.117, 49714, 80 SEDO-ASDE Germany 30->65 67 2 other IPs or domains 30->67 107 System process connects to network (likely due to code injection or exploit) 30->107 42 explorer.exe 30->42         started        45 rundll32.exe 30->45         started        47 autochk.exe 30->47         started        signatures11 process12 signatures13 87 Modifies the context of a thread in another process (thread injection) 42->87 89 Maps a DLL or memory area into another process 42->89 91 Tries to detect virtualization through RDTSC time measurements 42->91 49 cmd.exe 42->49         started        process14 process15 51 conhost.exe 49->51         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ff5d67d2cfdae5296cda453f2f78fcacd79169bb9dbbe94a2007d9dcb382d2ef
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ff5d67d2cfdae5296cda453f2f78fcacd79169bb9dbbe94a2007d9dcb382d2ef/
Threat name:
ByteCode-MSIL.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2024-04-26 08:28:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=75owpuwp3lsss3g2iu7s66h4vtlzc2n3tw56ssraa7m5zm4c2lxq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1711d935991cb37bd208dec08aefb47cf049baa4aa465d3188feccd8d330e72d
Formbook
331ca91b3a643aab796547bdd69ecd624ab13ac224ea80f88ca4a8987c0625e3
Formbook
37fd7b8035bd49b8dfad405a793428dda8cbf623de0133818756d05a1191d8b7
Formbook
47d5dfe5d59cd87f1d41105123e02fa661a17e7e0623125c51956165113f8f4e
Formbook
4c60c35f29e69092f5e26e18d43f332f00f33be5006dfb0f9e8cc7327ec6db92
Formbook
81f6e3ff9cc821300e30acd628d0579793806ebfb89941d04f9bc33998f9a851
Formbook
9a565700a3d3c7a802780c0e4ba717b082175fd33b5afc7dcfeb95905b6db784
Formbook
ae300b28b2240d11d01e9066a26a88349258d4016c41460604c9ff5bb64c9b6d
Formbook
b7def3af905789a4ecedcc226d91592d8bc758ce8c5458d62ef435707de8670f
Formbook
bddecf330d5b3d2c09db0b26dc6367e2e71a2e0317cc65610cd1cca8809fd0e2
Formbook
+ 598 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:jn17 rat spyware stealer trojan
Link:
https://tria.ge/reports/240428-kxqkwscd3z/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
88f2105a6e7aab073776db334144ab1b46c99b52739883163b77b384a1304d16
MD5 hash:
3ffc8687e774e137b005b450bf8fee2e
SHA1 hash:
18a20385f5b69d83001f1a1dfe477fd42d3765b0
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/4e282f62-b156-46ed-b34f-c0419e4b9962/
Parent samples :
ff5d67d2cfdae5296cda453f2f78fcacd79169bb9dbbe94a2007d9dcb382d2ef
a5a473bc3d643ce300b72af75ae8f7a0d47ee983f1160707606ef9e818bb1a2f
0445cc730c308b40378c9133d394004d55dfdcb03db7d26485736471af6ba41e
93ffb46ce3a6d27b2cb64dbda30d1594d39c305d665bdc6665516be2a280a243
SH256 hash:
bb5c6a6f28c46a57755b3e26cde383cce844580b1e3e32942e04142367558539
MD5 hash:
41e1d0826beabfa8f86f0127d9698c9a
SHA1 hash:
a3c8653503e82ba623bab5b4ae9553c9584a371e
Link:
https://www.unpac.me/results/4e282f62-b156-46ed-b34f-c0419e4b9962/
SH256 hash:
a3de65d9607fa28995b6d60b0ad501d36107454865c7a74e8121ec11320ae565
MD5 hash:
7dfefede4d4b4d15fe2c4d83996e9e1a
SHA1 hash:
62e0258f0a8d23d17225ff7ad0b304ab12a9fd6a
Link:
https://www.unpac.me/results/4e282f62-b156-46ed-b34f-c0419e4b9962/
SH256 hash:
93af42c0d9630f63ed051536a11195fff46c801d0aba8f09610bae4ee27d3d6f
MD5 hash:
f7e32b5d74b38cb9e5ff5cfc6e70853f
SHA1 hash:
2c1785ea1daed86c29abd2137f4f9e232cc7add7
Link:
https://www.unpac.me/results/4e282f62-b156-46ed-b34f-c0419e4b9962/
SH256 hash:
ff5d67d2cfdae5296cda453f2f78fcacd79169bb9dbbe94a2007d9dcb382d2ef
MD5 hash:
4d7e0095c7770a52783f6dfc479bafa0
SHA1 hash:
3f49034d7415ecdeaf887afff1a95199ba2043ff
Link:
https://www.unpac.me/results/4e282f62-b156-46ed-b34f-c0419e4b9962/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ff5d67d2cfda/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/ff5d67d2cfdae5296cda453f2f78fcacd79169bb9dbbe94a2007d9dcb382d2ef

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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