MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fff4ae5faba33cf9265b80fb2cd328fbd08fd6649fe71c95a5e8bedb22036a7a. 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: 14


Intelligence 14 IOCs YARA 16 File information Comments
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SHA256 hash: fff4ae5faba33cf9265b80fb2cd328fbd08fd6649fe71c95a5e8bedb22036a7a
SHA3-384 hash: 5e656a863ccb4261674d9fecc08b0b4cb707279bff66493f16b4864ea1c0b1a27cd0a341fb06ecbac55c8c253eabb0c3
SHA1 hash: 58995f9d5657e4c4770b8aa0474c05d1d1e3715d
MD5 hash: 1d63f7d2a014f4c254552ff878cf5eb0
humanhash: earth-colorado-burger-bluebird
File name:SOA to KLI Freight in OCT 2023-USD33520.00-Sinotech Logistics.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:312'524 bytes
First seen:2023-10-09 05:29:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9dda1a1d1f8a1d13ae0297b47046b26e (64 x Formbook, 39 x GuLoader, 22 x RemcosRAT)
ssdeep 6144:BnPdudwDsPCB/YQC7Lc1VioXg0erzkbNmpn/IxkPqQLwtQsN9+7A82:BnPdwqBQRLgZXberLu5QLFsN9+8Z
Threatray 39 similar samples on MalwareBazaar
TLSH T1216423646394C8F3CE9B1B308D726BE70E95A42213B51B4A1710CAAEFFB1E615F1F251
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
296
Origin country :
HU HU
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Rogue.0hr.20231005-0636.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control formbook lolbin overlay packed remcos shell32 threat virus
Link:
https://www.filescan.io/uploads/65238fe3e509ddb6cd1c9062/reports/4eb127bc-8150-48db-a429-950ce550d4b2/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/fff4ae5faba33cf9265b80fb2cd328fbd08fd6649fe71c95a5e8bedb22036a7a
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/649ef484-36ae-4887-8903-d5e3ba8db576
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1321957
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
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
Snort IDS alert for network traffic
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1321957 Sample: SOA_to_KLI_Freight_in_OCT_2... Startdate: 09/10/2023 Architecture: WINDOWS Score: 100 48 www.zrzaz.cfd 2->48 50 www.zarabelgium.com 2->50 52 12 other IPs or domains 2->52 68 Snort IDS alert for network traffic 2->68 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 7 other signatures 2->74 12 SOA_to_KLI_Freight_in_OCT_2023-USD33520.00-Sinotech_Logistics.exe 18 2->12         started        signatures3 process4 file5 44 C:\Users\user\AppData\Local\Temp\ihiuws.exe, PE32 12->44 dropped 15 ihiuws.exe 1 2 12->15         started        process6 file7 46 C:\Users\user\AppData\...\joxdmirb.exe, PE32 15->46 dropped 60 Multi AV Scanner detection for dropped file 15->60 62 Machine Learning detection for dropped file 15->62 64 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->64 66 2 other signatures 15->66 19 ihiuws.exe 15->19         started        signatures8 process9 signatures10 76 Modifies the context of a thread in another process (thread injection) 19->76 78 Maps a DLL or memory area into another process 19->78 80 Sample uses process hollowing technique 19->80 82 Queues an APC in another process (thread injection) 19->82 22 explorer.exe 12 2 19->22 injected process11 dnsIp12 54 www.unityunionbank.com 74.220.199.9, 49743, 80 UNIFIEDLAYER-AS-1US United States 22->54 56 squibbs10year.com 15.197.142.173, 49741, 80 TANDEMUS United States 22->56 58 5 other IPs or domains 22->58 90 Uses netstat to query active network connections and open ports 22->90 26 joxdmirb.exe 22->26         started        29 joxdmirb.exe 22->29         started        31 NETSTAT.EXE 22->31         started        33 4 other processes 22->33 signatures13 process14 signatures15 92 Multi AV Scanner detection for dropped file 26->92 94 Machine Learning detection for dropped file 26->94 96 Maps a DLL or memory area into another process 26->96 35 joxdmirb.exe 26->35         started        38 joxdmirb.exe 29->38         started        98 Modifies the context of a thread in another process (thread injection) 31->98 100 Tries to detect virtualization through RDTSC time measurements 31->100 40 cmd.exe 1 31->40         started        process16 signatures17 84 Modifies the context of a thread in another process (thread injection) 35->84 86 Maps a DLL or memory area into another process 35->86 88 Sample uses process hollowing technique 35->88 42 conhost.exe 40->42         started        process18
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/fff4ae5faba33cf9265b80fb2cd328fbd08fd6649fe71c95a5e8bedb22036a7a/
Threat name:
Win32.Trojan.Leonem
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Status:
Malicious
First seen:
2023-10-04 22:56:44 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=772k4x5lum6psjs3qd5szuzi7pii7vtet7trzfnf5c7nwiqdnj5a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
180fce98cac3dd64109fcf09745194ced61a15c25ff1e698754105dde6586a58
Formbook
393f41d6aaa447a3fc89f83b3ffb08574464197bf45704ba8226cd070b63c6ed
Formbook
7da9294ba554d4c17ed9e4caac9836e303980814c7898b422ccde7a246ac26a5
Formbook
b835220d18074195e2df569e8088470b7f400c334aef1dd54dfe30e2019dab7a
Formbook
b88b53db5c1fd0779cb7718630d7ac90f0ff81cfc7e8495bff1325743adeff65
Formbook
+ 29 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:ge58 persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/231009-f66w1saf8x/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
fff4ae5faba33cf9265b80fb2cd328fbd08fd6649fe71c95a5e8bedb22036a7a
MD5 hash:
1d63f7d2a014f4c254552ff878cf5eb0
SHA1 hash:
58995f9d5657e4c4770b8aa0474c05d1d1e3715d
Link:
https://www.unpac.me/results/e08565b9-11ff-4efb-8637-b9001b734000/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fff4ae5faba3/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/fff4ae5faba33cf9265b80fb2cd328fbd08fd6649fe71c95a5e8bedb22036a7a

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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
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Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:RIPEMD160_Constants
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Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Malspam

Formbook

Executable exe fff4ae5faba33cf9265b80fb2cd328fbd08fd6649fe71c95a5e8bedb22036a7a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments