MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5453ab6ad1bde2f5286311d91550037266ec90d9b032c61969ef0196241746c9. 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 17 File information Comments
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SHA256 hash: 5453ab6ad1bde2f5286311d91550037266ec90d9b032c61969ef0196241746c9
SHA3-384 hash: e07de3af5bd129ed90524ebfeb5802e1961526d91977ee70a732f44cdf4e13f254649096d05b86769d88a34b4cc649cf
SHA1 hash: a5df190586cc57e175d0c8f33af6b766ec7abbe5
MD5 hash: dfa626cc1b5c4fb30142ebe638aba595
humanhash: rugby-quiet-north-pasta
File name:INCORRECT INVOICE.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:401'070 bytes
First seen:2023-09-05 10:28:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6JnPjzM9OE3NYEaWsvJhK2jVI2CRg/ekQDaMEx2akjYdrMjrtKMx:/YbLEPaxo2CRrk6aMNUd8hPx
Threatray 155 similar samples on MalwareBazaar
TLSH T17C8423A45BE4E463FD3D84B22DF753EE1BF5E91134698B1F73904528BB26680260E363
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 JAMESWT_WT
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
314
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INCORRECT INVOICE.exe
Verdict:
Suspicious activity
Analysis date:
2023-09-05 10:29:25 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/bbfd612a-adca-4593-9c8c-742c2e35515d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/446281/
Detection(s):
Sanesecurity.Malware.28947.BadP.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Searching for the window
Sending a custom TCP request
Сreating synchronization primitives
Unauthorized injection to a recently created process by context flags manipulation
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/64f702f1c95366b9efff66cb/reports/9f088937-a3d5-4a70-8f2d-d8b33f00a247/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/5453ab6ad1bde2f5286311d91550037266ec90d9b032c61969ef0196241746c9
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/8710251e-a915-434f-b239-5a0250aff45a
Result
Threat name:
FormBook, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1303431
Signature
Antivirus detection for URL or domain
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample has a suspicious name (potential lure to open the executable)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1303431 Sample: INCORRECT_INVOICE.exe Startdate: 05/09/2023 Architecture: WINDOWS Score: 100 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 5 other signatures 2->52 10 INCORRECT_INVOICE.exe 18 2->10         started        process3 file4 32 C:\Users\user\AppData\...\wkeapyirdp.exe, PE32 10->32 dropped 13 wkeapyirdp.exe 1 10->13         started        process5 signatures6 64 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 13->64 66 Maps a DLL or memory area into another process 13->66 16 wkeapyirdp.exe 13->16         started        19 conhost.exe 13->19         started        process7 signatures8 40 Maps a DLL or memory area into another process 16->40 42 Sample uses process hollowing technique 16->42 44 Queues an APC in another process (thread injection) 16->44 21 LUBVcZcewkknQRF.exe 16->21 injected process9 process10 23 cmmon32.exe 13 21->23         started        signatures11 54 Tries to steal Mail credentials (via file / registry access) 23->54 56 Tries to harvest and steal browser information (history, passwords, etc) 23->56 58 Modifies the context of a thread in another process (thread injection) 23->58 60 Maps a DLL or memory area into another process 23->60 26 explorer.exe 1 1 23->26 injected 30 LUBVcZcewkknQRF.exe 23->30 injected process12 dnsIp13 34 www.saintprojetdesalers.com 103.224.182.252, 49713, 49714, 49715 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 26->34 36 hummall.com 192.187.101.110, 49723, 49724, 49725 NOCIXUS United States 26->36 38 4 other IPs or domains 26->38 62 System process connects to network (likely due to code injection or exploit) 26->62 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5453ab6ad1bde2f5286311d91550037266ec90d9b032c61969ef0196241746c9/
Threat name:
Win32.Trojan.Leonem
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Status:
Malicious
First seen:
2023-09-05 08:39:12 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=krj2w2wrxxrpkkddchmrkuadojtozegzwazmmglj54azmjaxi3eq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0694c6c0a52d6281f7ba9acc9de0549be7fd5bdb35e857609fc7adbfcda8c848
Formbook
1b29005d1fa110dfb5b924c879e64d7d4cce8af163f9e6853e4bbda2c298acf0
Formbook
1efb08a82cb31f0627287c5b4d31725dec2f9d5062cea032a454a9f1d953df5e
Formbook
20174c141584b7674b7b97ab3afdfa6bbcd8b01e868ddae97fd080f8a6c904c7
Formbook
4d698a32de4877e432bf6d6af790d86746adb3bd352844451a7505fb3d8b3492
Formbook
8249e88d3b270dba037eae0a0308f828f87e6a5c2c61678ef4943293cbe26fb3
Formbook
837fc8d2a3e348e96ea2db94abbe3319b380496b7329cde30519b26f51c1de88
Formbook
+ 145 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230905-mh8h9sef8v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
5340ef0c72b93641ccf41f99ccd94f2ef3dd155a6008269cddcf860df371b980
MD5 hash:
87a81fd11dc7286db43dfdf413a3a984
SHA1 hash:
229cc602e61f563a75078acdb7006ac636a80ca1
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/237db6dc-43e3-4018-85ef-97f8e452babe/
SH256 hash:
958fc3dc4aa087f5be62ad196b2e035a1d129da08ec4e0fa56c6c2fd4451d0e5
MD5 hash:
f00afce759a84c9f4bec31dba11712b9
SHA1 hash:
648075cbd73534b55e7ea24672b1fcd55daa8bd0
Link:
https://www.unpac.me/results/237db6dc-43e3-4018-85ef-97f8e452babe/
SH256 hash:
6ad2665473ea28a2fc3a657d938eb787e34f9dea3ac43f1016b27159aca940ac
MD5 hash:
1619996070d8ba25a63241065390a0dd
SHA1 hash:
f95ef5e598ccfbae0aee8fef8c6bfc9cf26e83b3
Link:
https://www.unpac.me/results/237db6dc-43e3-4018-85ef-97f8e452babe/
SH256 hash:
5453ab6ad1bde2f5286311d91550037266ec90d9b032c61969ef0196241746c9
MD5 hash:
dfa626cc1b5c4fb30142ebe638aba595
SHA1 hash:
a5df190586cc57e175d0c8f33af6b766ec7abbe5
Link:
https://www.unpac.me/results/237db6dc-43e3-4018-85ef-97f8e452babe/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5453ab6ad1bd/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/5453ab6ad1bde2f5286311d91550037266ec90d9b032c61969ef0196241746c9

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
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

Cape
Cape
https://www.capesandbox.com/analysis/446281/

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