MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 351d5d8f07f576809436526f67d2402882d59b09ad08368995875a188b186e11. 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 4 File information Comments
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SHA256 hash: 351d5d8f07f576809436526f67d2402882d59b09ad08368995875a188b186e11
SHA3-384 hash: 08236bdd8a6c595f287b1d677260af454b1d5fca9f11450bcb76cdf2b78ca276472524d60e8f0c9f0aff8c9a84adebbd
SHA1 hash: 5a223e6211460c6710a634c054b6868350d1a78f
MD5 hash: f741144162d50a9bc1f4a02e65b9517d
humanhash: zebra-fanta-three-romeo
File name:SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.27676.1020
Download: download sample
Signature Formbook
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File size:235'412 bytes
First seen:2022-10-24 16:09:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:0weENklT9SnhSwaA0LknwWARu82XNa5sppL1:5u9i4FjeBA48cImT
TLSH T11D34127731E2D4BBDA47247219779778E2B4C2444174238F8BF08FBB6B612C29D89663
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 13331333690d3749 (11 x Formbook, 5 x AgentTesla, 1 x AveMariaRAT)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
188
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.27676.1020
Verdict:
Malicious activity
Analysis date:
2022-10-24 16:12:10 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/8e14f3b6-bc1e-4839-ad5f-b82558b6cb8f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/323500/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.27676.1020.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/45068/overview
Behaviour
MalwareBazaar
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/52644562-ec1e-402b-b8bf-a87cc298332c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1096788
Signature
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)
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
Queues an APC in another process (thread injection)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 729554 Sample: SecuriteInfo.com.Trojan.NSI... Startdate: 24/10/2022 Architecture: WINDOWS Score: 100 30 www.bernamontsteven.com 2->30 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected FormBook 2->50 52 2 other signatures 2->52 10 SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.27676.1020.exe 18 2->10         started        signatures3 process4 file5 28 C:\Users\user\AppData\...\rbkephyjmd.exe, PE32 10->28 dropped 13 rbkephyjmd.exe 1 10->13         started        process6 signatures7 64 Multi AV Scanner detection for dropped file 13->64 66 Machine Learning detection for dropped file 13->66 68 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 13->68 70 Maps a DLL or memory area into another process 13->70 16 rbkephyjmd.exe 13->16         started        19 conhost.exe 13->19         started        process8 signatures9 38 Modifies the context of a thread in another process (thread injection) 16->38 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 explorer.exe 16->21 injected process10 dnsIp11 32 ptvcfajl.bsn-10h4qyd4.com 20.205.36.223, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 21->32 34 20.24.88.137, 49711, 49712, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 21->34 36 3 other IPs or domains 21->36 54 System process connects to network (likely due to code injection or exploit) 21->54 25 colorcpl.exe 13 21->25         started        signatures12 process13 signatures14 56 Tries to steal Mail credentials (via file / registry access) 25->56 58 Tries to harvest and steal browser information (history, passwords, etc) 25->58 60 Modifies the context of a thread in another process (thread injection) 25->60 62 Maps a DLL or memory area into another process 25->62
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/351d5d8f07f576809436526f67d2402882d59b09ad08368995875a188b186e11/
Threat name:
Win32.Trojan.GenericML
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Status:
Malicious
First seen:
2022-10-24 17:01:11 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=guov3dyh6v3ibfbwkjxwpusafcbnlgyjvuedncmvq5nbrcyynyiq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:qnz3 rat spyware stealer trojan
Link:
https://tria.ge/reports/221024-tmc2gshfa4/
Behaviour
Modifies Internet Explorer settings
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
Formbook
Unpacked files
SH256 hash:
bbd76e910169e0cd12c9e64fc560ce233723939f00456bf0f6dd3627980c77ee
MD5 hash:
20888cf76aa200099bcd783a9a0da3fd
SHA1 hash:
32b6b1ff79522e8c0193ad2b169ab5956dacdf69
Detections:
XLoader
Create hunting rule
win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/728a00d5-2784-4dbc-a16d-e0babf214cff/
Parent samples :
351d5d8f07f576809436526f67d2402882d59b09ad08368995875a188b186e11
73976a1f5b3b50590e4566fe4d5f0c7ab481af202add905a33cca33c07175772
8e1d1e260a675471d507b5d54f5a716fbfb77cc999dd648231f9e05b26d59c56
SH256 hash:
25c9406ab683433e2f1d4f3b1c3adbf8f0880df42e6039a61e9376de53a79a95
MD5 hash:
90256b2b47dd9c147b243086e85ddb00
SHA1 hash:
9d973e85ab64b690e2f8f31246dae76b2afe30d0
Link:
https://www.unpac.me/results/728a00d5-2784-4dbc-a16d-e0babf214cff/
SH256 hash:
9c9391fe1d8c4277170cbba42807363e0f454cc02a8727766e5b1b4d0f4a8d85
MD5 hash:
a129f0fbac065ce852abe62726ef711d
SHA1 hash:
31d0302879bc73075d2cc938a34be39a43ccf49d
Link:
https://www.unpac.me/results/728a00d5-2784-4dbc-a16d-e0babf214cff/
SH256 hash:
351d5d8f07f576809436526f67d2402882d59b09ad08368995875a188b186e11
MD5 hash:
f741144162d50a9bc1f4a02e65b9517d
SHA1 hash:
5a223e6211460c6710a634c054b6868350d1a78f
Link:
https://www.unpac.me/results/728a00d5-2784-4dbc-a16d-e0babf214cff/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/351d5d8f07f576809436526f67d2402882d59b09ad08368995875a188b186e11

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
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Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

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/323500/

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