MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1cffd19785a4ab9e8dc1dcbc52790d3fbec49f85d9def84ee1cfdc5f1334fb79. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1cffd19785a4ab9e8dc1dcbc52790d3fbec49f85d9def84ee1cfdc5f1334fb79
SHA3-384 hash: 0fe4df24b111415d1c9bb812ac64e723f556e34d0da3347bd4ce76056e4197f7e3ac3cc598155e683195d3f0c807f79c
SHA1 hash: 9de42aced7aefdf054482286e0b8743b827adf88
MD5 hash: 9527cbf8afed8edc235a9601368b0619
humanhash: pluto-double-speaker-arizona
File name:U3GtcsEtcwXNKUK.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:939'008 bytes
First seen:2023-02-15 14:10:31 UTC
Last seen:2023-02-15 15:43:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:FFHaf6ojWL2FhQYK2uz7/DaXi3pTPRuP1:FZ1rLqu3h/ZZRu
TLSH T13315C33CD9A82D2A8277E57AEAC5F517FA9048C7771D8D9F81C2AB410523413BC9BC2D
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon ecf0c68ac2c298f2 (60 x SnakeKeylogger, 14 x Formbook, 6 x AgentTesla)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
U3GtcsEtcwXNKUK.exe
Verdict:
Malicious activity
Analysis date:
2023-02-15 14:43:31 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/ed23c6cf-7ef5-4a3d-97fc-4db1f67baf38

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/366644/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.65510479.2916.21094.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
packed
Link:
https://www.filescan.io/uploads/63ece7f745632f5c85b3628d/reports/35f6fb54-3b58-4bfc-b3cd-c7f186bc4752/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1cffd19785a4ab9e8dc1dcbc52790d3fbec49f85d9def84ee1cfdc5f1334fb79
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/8853deb8-96ca-4a80-acc9-6ba0642c767d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1176401
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus detection for URL or domain
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
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)
Uses netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 809210 Sample: U3GtcsEtcwXNKUK.exe Startdate: 16/02/2023 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 5 other signatures 2->40 8 U3GtcsEtcwXNKUK.exe 3 2->8         started        process3 file4 22 C:\Users\user\...\U3GtcsEtcwXNKUK.exe.log, ASCII 8->22 dropped 50 Injects a PE file into a foreign processes 8->50 12 U3GtcsEtcwXNKUK.exe 8->12         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 12->52 54 Maps a DLL or memory area into another process 12->54 56 Sample uses process hollowing technique 12->56 58 Queues an APC in another process (thread injection) 12->58 15 explorer.exe 1 12->15 injected process8 dnsIp9 24 www.iaaconsultants.com 156.254.170.153, 49711, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 15->24 26 www.lgcypowernc.com 74.220.199.6, 49706, 80 UNIFIEDLAYER-AS-1US United States 15->26 28 www.berylsecret.shop 188.114.97.3, 49707, 49708, 80 CLOUDFLARENETUS European Union 15->28 30 System process connects to network (likely due to code injection or exploit) 15->30 32 Uses netstat to query active network connections and open ports 15->32 19 NETSTAT.EXE 13 15->19         started        signatures10 process11 signatures12 42 Tries to steal Mail credentials (via file / registry access) 19->42 44 Tries to harvest and steal browser information (history, passwords, etc) 19->44 46 Modifies the context of a thread in another process (thread injection) 19->46 48 Maps a DLL or memory area into another process 19->48
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1cffd19785a4ab9e8dc1dcbc52790d3fbec49f85d9def84ee1cfdc5f1334fb79/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-02-14 17:45:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 25 (76.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dt75df4fusvz5dob3s6fe6inh67mjh4f3hppqtxbz7of6ezu7n4q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:g44n rat spyware stealer trojan
Link:
https://tria.ge/reports/230215-rg9gdsbh4x/
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
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Formbook
Unpacked files
SH256 hash:
e7242ae1cd799ea3200b7705221fdddd8abf588e87215a28057e02135bf547ad
MD5 hash:
6b1c0c833df93681eafdcf57072e8075
SHA1 hash:
5081196e5fd1e90c7564ce07096baf4668bbc3fc
Detections:
XLoader
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/5b4d7571-b566-4b29-9183-538aca6fe531/
Parent samples :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 hash:
59bcd4203167ab824809004c0f4030f58acbd7c4f382b6e2d5f0c5695a71e170
MD5 hash:
3820d6b49c5470a173913d3933e38cff
SHA1 hash:
563a66c1ccd79d751de8b717f050300bdbf776db
Link:
https://www.unpac.me/results/5b4d7571-b566-4b29-9183-538aca6fe531/
SH256 hash:
fd1f45257d143983805528e20f674c652fa182a9d3fac0a947c142f5c09e22ab
MD5 hash:
3a5f99f0b0e4d84c73977ea1f6b25295
SHA1 hash:
de299d57eabc8dd1efe899dfc53fe060964bba04
Link:
https://www.unpac.me/results/5b4d7571-b566-4b29-9183-538aca6fe531/
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/5b4d7571-b566-4b29-9183-538aca6fe531/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
46cb32256dba295b72212185d3bf29e54de9f78fe32a8e43c82288285c3bf721
MD5 hash:
453d8d23d417dacecac4ad0235d2b420
SHA1 hash:
6aaffef79f32f151aef9d5c548ac9055ea6c2f35
Link:
https://www.unpac.me/results/5b4d7571-b566-4b29-9183-538aca6fe531/
SH256 hash:
3fda0127b67f95f31741539750387869ed194202b61c1132e0566657350a4c38
MD5 hash:
9db628138425ad3929029bf45ac10fab
SHA1 hash:
0911c193494ccfe38ecd566726945e163b181da7
Link:
https://www.unpac.me/results/5b4d7571-b566-4b29-9183-538aca6fe531/
SH256 hash:
1cffd19785a4ab9e8dc1dcbc52790d3fbec49f85d9def84ee1cfdc5f1334fb79
MD5 hash:
9527cbf8afed8edc235a9601368b0619
SHA1 hash:
9de42aced7aefdf054482286e0b8743b827adf88
Link:
https://www.unpac.me/results/5b4d7571-b566-4b29-9183-538aca6fe531/
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/1cffd19785a4ab9e8dc1dcbc52790d3fbec49f85d9def84ee1cfdc5f1334fb79

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/366644/

Comments