MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a63fd45dcc97cf19892173f6101ff932109f8e3c382db28ea077c63a65f203d. 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: 12


Intelligence 12 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a63fd45dcc97cf19892173f6101ff932109f8e3c382db28ea077c63a65f203d
SHA3-384 hash: 9f1dd81e789b6c4d82195d123653868c00c5991d15e24e5ab60c20d5896f6115ffcfcb5e6ad400a92f838b73e4e99dd6
SHA1 hash: 5213f0cd557ba8f2ccb393ae2d97ca8d277195db
MD5 hash: 07777ab79429d89e895fec96ff50b278
humanhash: arkansas-cup-maine-black
File name:PAYMENT COPY.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:530'329 bytes
First seen:2023-08-30 21:27:04 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 12288:WYePZVDtcv1rthwf4qxe4ChulTtvEHjTB2ZeauKH:WY0ZVZwSxPChSVEHZ5au8
TLSH T108B4D002E0CD99EEF01C45746C29F6ACBD275C295C229C666EC5B8485778B036BF3A3D
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 32ceaeaeb2968eaa (3 x Formbook, 1 x RedLineStealer, 1 x MassLogger)
Reporter cocaman
Tags:exe FormBook payment

Intelligence

File Origin
# of uploads :
1
# of downloads :
326
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PAYMENT COPY.exe
Verdict:
Malicious activity
Analysis date:
2023-08-30 21:29:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/df98a87c-9284-45ef-a126-63da4542f574

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/445389/
Detection(s):
SecuriteInfo.com.FileRepMalware.11583.14692.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
Сreating synchronization primitives
Sending a custom TCP request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/64efb4647444d2eb09f3854f/reports/b7e19934-632a-4c22-8942-289f060cf9c2/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4a63fd45dcc97cf19892173f6101ff932109f8e3c382db28ea077c63a65f203d
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/238551fc-49cf-41a1-b054-3d2a52aaef54
Result
Threat name:
FormBook, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1300715
Signature
Antivirus / Scanner detection for submitted sample
Detected unpacking (changes PE section rights)
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 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)
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: 1300715 Sample: PAYMENT_COPY.exe Startdate: 30/08/2023 Architecture: WINDOWS Score: 100 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 4 other signatures 2->48 10 PAYMENT_COPY.exe 18 2->10         started        process3 file4 30 C:\Users\user\AppData\...\rojadledpv.exe, PE32 10->30 dropped 13 rojadledpv.exe 10->13         started        process5 signatures6 62 Multi AV Scanner detection for dropped file 13->62 64 Detected unpacking (changes PE section rights) 13->64 66 Machine Learning detection for dropped file 13->66 68 2 other signatures 13->68 16 rojadledpv.exe 13->16         started        process7 signatures8 38 Maps a DLL or memory area into another process 16->38 40 Queues an APC in another process (thread injection) 16->40 19 UTJuaXOBnpmAWdmUXLAl.exe 16->19 injected process9 process10 21 cscript.exe 13 19->21         started        signatures11 50 Tries to steal Mail credentials (via file / registry access) 21->50 52 Tries to harvest and steal browser information (history, passwords, etc) 21->52 54 Modifies the context of a thread in another process (thread injection) 21->54 56 Maps a DLL or memory area into another process 21->56 24 explorer.exe 1 21->24 injected 28 UTJuaXOBnpmAWdmUXLAl.exe 21->28 injected process12 dnsIp13 32 www.paybillnow.info 162.0.225.178, 49745, 49746, 49747 NAMECHEAP-NETUS Canada 24->32 34 gicmeerut.com 103.13.97.220, 49737, 80 CTRLS-AS-INCtrlSDatacentersLtdIN India 24->34 36 6 other IPs or domains 24->36 58 System process connects to network (likely due to code injection or exploit) 24->58 60 Performs DNS queries to domains with low reputation 24->60 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4a63fd45dcc97cf19892173f6101ff932109f8e3c382db28ea077c63a65f203d/
Threat name:
Win32.Trojan.Nsisx
Create hunting rule
Status:
Malicious
First seen:
2023-08-30 21:27:08 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
15 of 37 (40.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jjr72ro4zf6pdgesc47wcap7smqqt6hdyobnwkhka56ghjs7ea6q._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230830-1bbgvaae2t/
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:
794e6901e3ec5dceedd734c35ab662a62528aea723b2ea0ec2959ac7655310ff
MD5 hash:
7f68186bfff6c2b66cf62dad0453318f
SHA1 hash:
c349a7a65e92835a9d788d6f5a25a0dc4e7b8911
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/ff769657-3b56-46c4-b8db-6d7e5bda13d3/
SH256 hash:
2e8588e5262e6102bfc8a87de491c57545432fb80823263db8c96b8288d792a6
MD5 hash:
a1b59932e7a91da45f1e45874637d2fb
SHA1 hash:
0fea620a89bde74c5b70c7c41eb70cc8766eaf88
Link:
https://www.unpac.me/results/ff769657-3b56-46c4-b8db-6d7e5bda13d3/
SH256 hash:
1d2bbd30dc122cca8e22dd97f5796f97eb96ec4d1299a15e07139151e7be95ee
MD5 hash:
101b890591f29885e061a03c198c6a5b
SHA1 hash:
b137ea84a338ebb1c66ee5bf8c43f93c98358d47
Link:
https://www.unpac.me/results/ff769657-3b56-46c4-b8db-6d7e5bda13d3/
SH256 hash:
4a63fd45dcc97cf19892173f6101ff932109f8e3c382db28ea077c63a65f203d
MD5 hash:
07777ab79429d89e895fec96ff50b278
SHA1 hash:
5213f0cd557ba8f2ccb393ae2d97ca8d277195db
Link:
https://www.unpac.me/results/ff769657-3b56-46c4-b8db-6d7e5bda13d3/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4a63fd45dcc9/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/4a63fd45dcc97cf19892173f6101ff932109f8e3c382db28ea077c63a65f203d

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:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
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: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_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

zip 34e5043867e982258aaa56f59d5f35abc7b53ca1293853465ca7974758ffbfe9

Formbook

Executable exe 4a63fd45dcc97cf19892173f6101ff932109f8e3c382db28ea077c63a65f203d

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 34e5043867e982258aaa56f59d5f35abc7b53ca1293853465ca7974758ffbfe9
Cape
Cape
https://www.capesandbox.com/analysis/445389/
  
Dropped by
MD5 a16b7550674c5595b00635b4a8d0818e

Comments