MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c2c5930d4e3db44fe52126af7f02cceac19a620633a173a68962f3de642e61ec. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c2c5930d4e3db44fe52126af7f02cceac19a620633a173a68962f3de642e61ec
SHA3-384 hash: a4d86fbd1fcfb51d94a7f203a102ce41a1ff33b5c7ebe037518200085f0cda800e10eb40251235846e097bfba24ae5cf
SHA1 hash: 0f61a11aed5a3ac951461bfa775b21b9d9487494
MD5 hash: 774a6a734218e126c0a25c718026b401
humanhash: bakerloo-black-leopard-alabama
File name:Fatura.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:727'040 bytes
First seen:2022-07-19 12:27:01 UTC
Last seen:2022-07-19 13:39:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:GN6/hGqDDfRB2TFmdNwiy3B3qmljW+Wb2gb3IU3ScaFlSNS:GcxDDpB2T0yB3qCRO9VaQS
TLSH T1D5F4235236B4CF1CD56F07BE5471D48253B6DB8130A1E3AD9E81A1DE3A22F01934AB33
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
277
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/291866/
Detection(s):
SecuriteInfo.com.Trojan.Siggen18.25681.32140.15479.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62d6a3a97b83f958a9681cf4/reports/dad8f9e8-b321-4eef-b38b-479df2ad4968/overview
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/f08ad304-7e95-4c92-8dca-39b120e0b9b7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1036495
Signature
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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 uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 668989 Sample: Fatura.exe Startdate: 19/07/2022 Architecture: WINDOWS Score: 100 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected AntiVM3 2->36 38 5 other signatures 2->38 10 Fatura.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\Fatura.exe.log, ASCII 10->30 dropped 46 Tries to detect virtualization through RDTSC time measurements 10->46 48 Injects a PE file into a foreign processes 10->48 14 Fatura.exe 10->14         started        17 Fatura.exe 10->17         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 14->50 52 Maps a DLL or memory area into another process 14->52 54 Sample uses process hollowing technique 14->54 56 Queues an APC in another process (thread injection) 14->56 19 explorer.exe 14->19 injected process8 process9 21 chkdsk.exe 19->21         started        signatures10 40 Modifies the context of a thread in another process (thread injection) 21->40 42 Maps a DLL or memory area into another process 21->42 44 Tries to detect virtualization through RDTSC time measurements 21->44 24 cmd.exe 1 21->24         started        26 explorer.exe 86 21->26         started        process11 process12 28 conhost.exe 24->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c2c5930d4e3db44fe52126af7f02cceac19a620633a173a68962f3de642e61ec/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-07-19 09:44:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
56
AV detection:
23 of 39 (58.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ylczgdkohw2e7zjbe2xx6awm5lazuyqggoqxhjujmlz54zbomhwa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:my24 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220719-pmspqachfq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
37c61ebe56b10053ab75cbd9a4a10d0b7508e4c8ad2430dc34bf1377843e68d5
MD5 hash:
689515c90b1556600751994a94decda4
SHA1 hash:
82e2bf63e74e7c005c9df1b0dec0dbc72ef31d7d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Link:
https://www.unpac.me/results/7ecc4926-77cc-4cbb-83ab-9af1aea752b5/
Parent samples :
c3b780e1a34896abf6217364f6616a1f45c78b3723ba4f4ad35b57c9ce1ad7cc
c2c5930d4e3db44fe52126af7f02cceac19a620633a173a68962f3de642e61ec
d64822fecb22e8811efd243871f2446db656e1f89a02e1b97e92930bc4cb7c41
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/7ecc4926-77cc-4cbb-83ab-9af1aea752b5/
SH256 hash:
f6d1cda2efe2622064025631b2a1ee8e5bdc057798de203ed5841916e662b4a1
MD5 hash:
fb7cc194309b03e66b160fe20f371762
SHA1 hash:
7b6fe95b9b6af1328d43ef9fff27919d807b9c47
Link:
https://www.unpac.me/results/7ecc4926-77cc-4cbb-83ab-9af1aea752b5/
SH256 hash:
8b61be84cb58fec0efdd02e7893aa3ff20c78f98c9715a7633256eb4164b889a
MD5 hash:
a7a7cbcc8a976aafe0fe4a937d0f3927
SHA1 hash:
3e2bb95e8c71a0d4481465962c986a29af4d3259
Link:
https://www.unpac.me/results/7ecc4926-77cc-4cbb-83ab-9af1aea752b5/
SH256 hash:
7495d3f97b1ad2e5db89e5cb4fe3889f65c4c2e179e7941cd78a611897aafac1
MD5 hash:
7edd31a8d30b382cc630881827ef8d90
SHA1 hash:
07bb06195b4c120a66d09a7bd7c3b5189a68e4b1
Link:
https://www.unpac.me/results/7ecc4926-77cc-4cbb-83ab-9af1aea752b5/
SH256 hash:
c2c5930d4e3db44fe52126af7f02cceac19a620633a173a68962f3de642e61ec
MD5 hash:
774a6a734218e126c0a25c718026b401
SHA1 hash:
0f61a11aed5a3ac951461bfa775b21b9d9487494
Link:
https://www.unpac.me/results/7ecc4926-77cc-4cbb-83ab-9af1aea752b5/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/c2c5930d4e3db44fe52126af7f02cceac19a620633a173a68962f3de642e61ec

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 c2c5930d4e3db44fe52126af7f02cceac19a620633a173a68962f3de642e61ec

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/291866/

Comments