MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 633caade7dd7f37b7795be2142a7f0ef66259b65b1095b23a2070f02446f8414. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 633caade7dd7f37b7795be2142a7f0ef66259b65b1095b23a2070f02446f8414
SHA3-384 hash: 84aa60b8e22dc23da778579e6198edee1ec8dc752ba2dc92202a73b87514fb0d4a4ae1890c05718ae96e6c419c9cbe61
SHA1 hash: 02c888d3c17afc762af413de255a37ec3720aecc
MD5 hash: fb1c2105f59a3e0cb2447baa33badefb
humanhash: arkansas-may-louisiana-beer
File name:Payment slip.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:966'144 bytes
First seen:2022-03-08 14:59:38 UTC
Last seen:Never
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:nQmQ8WxBPMWPIJFBwlrL4HrH/YQzgPN1jU2ESSf:8RIJXwlUHrwGgXo
Threatray 11'089 similar samples on MalwareBazaar
TLSH T12725BF10BA65203FE16B8D764BC0AC2389D7B5760206E2AF6C1EC64D4FDA67DCD91C72
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/248306/
Detection(s):
SecuriteInfo.com.Trojan.Siggen17.21637.31974.4867.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
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 from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62279a270cd58dbd92688280/reports/8d379921-fd91-4a7c-b32c-7c2f17dea02f/overview
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/bd707b74-2724-420e-9537-c564446229af
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/952654
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Application Executed Non-Executable Extension
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
Sigma detected: Suspicius Schtasks From Env Var Folder
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 585135 Sample: Payment slip.exe Startdate: 08/03/2022 Architecture: WINDOWS Score: 100 49 www.osqua.xyz 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Multi AV Scanner detection for dropped file 2->55 57 18 other signatures 2->57 11 Payment slip.exe 7 2->11         started        signatures3 process4 file5 41 C:\Users\user\AppData\...\KIAETeknzAPaB.exe, PE32 11->41 dropped 43 C:\...\KIAETeknzAPaB.exe:Zone.Identifier, ASCII 11->43 dropped 45 C:\Users\user\AppData\Local\Temp\tmp442.tmp, XML 11->45 dropped 47 C:\Users\user\...\Payment slip.exe.log, ASCII 11->47 dropped 59 Adds a directory exclusion to Windows Defender 11->59 61 Injects a PE file into a foreign processes 11->61 15 Payment slip.exe 11->15         started        18 powershell.exe 25 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 Queues an APC in another process (thread injection) 15->77 22 explorer.exe 15->22 injected 24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        process9 process10 28 rundll32.exe 22->28         started        signatures11 63 Self deletion via cmd delete 28->63 65 Modifies the context of a thread in another process (thread injection) 28->65 67 Maps a DLL or memory area into another process 28->67 69 Tries to detect virtualization through RDTSC time measurements 28->69 31 cmd.exe 1 28->31         started        33 explorer.exe 155 28->33         started        35 explorer.exe 28->35         started        37 explorer.exe 28->37         started        process12 process13 39 conhost.exe 31->39         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/633caade7dd7f37b7795be2142a7f0ef66259b65b1095b23a2070f02446f8414/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-08 08:09:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mm6kvxt527zxw54vxyqufj7q55tclg3fweevwi5ca4hqerdpqqka._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
096bfb362ac98121211651cf9c8343ae3d38636334e626d89e7212660507ec7a
Formbook
0b32f79b8abe4a232193f819dccfa47a922353e961d37d1becd35171c2b04a89
Formbook
0d77b75875a9194d47cc35e0a00c6ae29215e585616a28b2519239ee6a6a8165
Formbook
31f44a55873cb84506a1213469e0c884eb7f8b4dea91197bedf8a892c1404654
Formbook
3c010d88a118ba3cc666e05c6f8f82159ac38e5486b5ed60c65d870287b8cff6
Formbook
510bc545d130a8a3ba0761398b897e7f0840a393d7cd12d98699525e0eb8bfff
Formbook
54cfa1f93d985c0bf952e00247f781f36988dffec0cb8d83f79fa3e41d98b335
Formbook
b55fdab1b973c44e6fb9e7689cd2f41e191a79078fc5c0c0a9d6c8387ea9340d
Formbook
+ 11'079 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:o0i7 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220308-sdb76abadj/
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
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
0dd9623e53597656bf225ec182197137b77b54f475f386f57b563ea9d2f7d243
MD5 hash:
d81057c81549d2d721394f92d36dc407
SHA1 hash:
77405f30b5b7a678b2f23b65ee5805c5e31ae031
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/16ce3a07-0de6-4f98-91d9-769b90bb4b7a/
Parent samples :
633caade7dd7f37b7795be2142a7f0ef66259b65b1095b23a2070f02446f8414
e92ff5ee8d681a705f2fe24cd61375479b2221cf29738439839ce8ee5f3f9c5f
41573d104263a727eca5295cd59bf91c93d2a24ddb024d84f97244bc120036e2
81626ff8f2f5eb89a55ac197d51ab0d35c33e0607c9fd2a7077ac834a1a5c926
6b9529ef9582e73d4ac7bc63d46bd152a1bc894ce781308b8798ea9689312e60
0082123fa15fb43d060c2f764bdd9f31a19e53b185e5f6de37d1dfec2f59504f
91bde3e248b2850a4c78027106d8b4c0b6ba2604fd08a0a14fb45b8a1b285611
ca7d37a30904725a82277567c30ba0fe5b441dad6d86d48afc3a954e8fdbd78f
044dd751a59cd849c84966a8ec5a6f65435cbd39af7696029a3ef2583819d1f4
SH256 hash:
175285bfa8a73b3990f54994b8825c1f3396635bc344939cd8d9fc60b9569b46
MD5 hash:
f26eb90c6addfc99fa0c2e63896216d2
SHA1 hash:
77e01b96d8c211d4d24fc0a1aae91122caf5f668
Link:
https://www.unpac.me/results/16ce3a07-0de6-4f98-91d9-769b90bb4b7a/
SH256 hash:
bc478f78e3c7f2a763c5243a678489d1d01aad51dd5988a503bf9109ee758d7a
MD5 hash:
98e55988f150bae5d4e175eb05b5da9e
SHA1 hash:
74e0e43dea04f30c0b01b258fdd38501d702ea12
Link:
https://www.unpac.me/results/16ce3a07-0de6-4f98-91d9-769b90bb4b7a/
SH256 hash:
89c51d7ab668da0597b73b5639fc8b3596b79500b6f3934f6655333758165ed1
MD5 hash:
52723c9cf0de55c612a716c6a5ac0082
SHA1 hash:
25fdc9e09bfe31f2df6892643ac9efcc614883d4
Link:
https://www.unpac.me/results/16ce3a07-0de6-4f98-91d9-769b90bb4b7a/
SH256 hash:
633caade7dd7f37b7795be2142a7f0ef66259b65b1095b23a2070f02446f8414
MD5 hash:
fb1c2105f59a3e0cb2447baa33badefb
SHA1 hash:
02c888d3c17afc762af413de255a37ec3720aecc
Link:
https://www.unpac.me/results/16ce3a07-0de6-4f98-91d9-769b90bb4b7a/
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/633caade7dd7f37b7795be2142a7f0ef66259b65b1095b23a2070f02446f8414

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 633caade7dd7f37b7795be2142a7f0ef66259b65b1095b23a2070f02446f8414

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/248306/

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