MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1a882d7abefdec8678649330339a2f080a777450da1be5110b88e81a8ea38cc. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a1a882d7abefdec8678649330339a2f080a777450da1be5110b88e81a8ea38cc
SHA3-384 hash: f53bd0469c951cec1e359b1ec19a72f6e13e8679e1361a47390850a1cce03c202dbbbd6ac653d61a153e5e9650a86c84
SHA1 hash: e0ee65052e3ff42cd3cfeb798dee85d25376b013
MD5 hash: 0a0a483d55322204ce0c960af3ed5cdc
humanhash: autumn-whiskey-green-bakerloo
File name:Payment Utr Copy.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:896'512 bytes
First seen:2023-05-10 13:24:21 UTC
Last seen:2023-05-13 22:54:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:TNU42rcBqZfOtXyWqeufFdFu+5NUAVKlylMH9rhFrWC4l5Zm:TL2rGIqXofFdZ5FVp+KC4l5Zm
Threatray 2'921 similar samples on MalwareBazaar
TLSH T1DB159D3C21DA5C26C35573FA8998C5E103396F00AFABD25A26BE30CC89B1B93ED5554F
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9d9e1969696b0646 (9 x SnakeKeylogger, 8 x AgentTesla, 4 x Loki)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
256
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Payment Utr Copy.exe
Verdict:
Malicious activity
Analysis date:
2023-05-10 13:26:23 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/480d3073-d81e-4903-8b89-a6bf69a115a4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/388200/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys comodo lokibot packed
Link:
https://www.filescan.io/uploads/645b9b2fca21d4c52e1ba965/reports/bc2aa3cb-3a37-4bac-be4e-9a844af00db4/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/a1a882d7abefdec8678649330339a2f080a777450da1be5110b88e81a8ea38cc
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/6aa9de56-b62a-40b2-9d3a-8b2c749a38b1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1230062
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus detection for URL or domain
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 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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sample uses string decryption to hide its real strings
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
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: 863045 Sample: Payment_Utr_Copy.exe Startdate: 10/05/2023 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 8 other signatures 2->40 10 Payment_Utr_Copy.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\Payment_Utr_Copy.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 Payment_Utr_Copy.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 2 6 14->17 injected process8 dnsIp9 30 www.osmosstore.com 17->30 32 www.amd-soft1.site 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 44 Uses netstat to query active network connections and open ports 17->44 21 NETSTAT.EXE 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a1a882d7abefdec8678649330339a2f080a777450da1be5110b88e81a8ea38cc/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-05-10 05:53:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
33
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uguifv5l57pmqz4gjezqgonc6cako52fbwq34uiqxchidkhkhdga._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
044c6038df71898680d1927a2a3251d58925ab0b91a5cc17ffc6599fe155f9c4
Formbook
067bea125f176d75cabed99b0bc6bd3a3957baf3a361d6d3848911446e48d1b1
Formbook
33b5ccf1b3b48e22ab607320e0bb143ad0ac2a9770b0e385c0365366de472ceb
Formbook
4f3beb04e0d4713530c2f9c369c300186ab01d902f060a904e5648490e8ba708
Formbook
61141d9453d13d203de8255903f1aec9fea4906616f000cca0b906a58d754cca
Formbook
6afbb9ebc94ae5fbc1a98207af3ce84dec75c243605ebbd6b15b721165e4130a
Formbook
abbf85558290e3fa302f88f51243e5216f24c9bc4fce64a0f616db3be2c46e8e
Formbook
c930599e45ce9f8d2d1ffcce335e47b1beef8119dabef13eefe381927a4f6719
Formbook
cbdac32d6f43a1f03a26cc2fcc6ea13586f0d7f85764c1626cc71ce30bc0434b
Formbook
e843a90ec56b0efbd176b3856d811875e24b98ae6fdf77985e1b77916ab4259b
Formbook
+ 2'911 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:gtt8 rat spyware stealer trojan
Link:
https://tria.ge/reports/230510-qnx69sgb94/
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
Unpacked files
SH256 hash:
e811c7f5003f7ad8afff2dc585e2f70789486c016fb562ed7042398ed768de29
MD5 hash:
2f8e388ddef1cb2290916f78999be660
SHA1 hash:
3a6a5b1f7dac5e2640524ed1a1b98f8668cd2ef1
Detections:
FormBook
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/bd86a2df-9338-464d-a7bb-600efd2f8463/
Parent samples :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 hash:
840e27af0738c326615ae8e1af0a86664611adcc8f9deb6ee1d5ae70f372466b
MD5 hash:
024f1ed14b500dba1403fcad28aa7fa0
SHA1 hash:
8067b9393ce7c74b96a97991cb4fe1aae19962d4
Link:
https://www.unpac.me/results/bd86a2df-9338-464d-a7bb-600efd2f8463/
SH256 hash:
7332f2caa478d0894db6c1d274fc5bab1343fb4d4dfc54301b14b20b504b4162
MD5 hash:
3bd35785c9fe137c3420c85f43b0a881
SHA1 hash:
75c9bf521db02f2294fcea8be516e539fcfc1b76
Link:
https://www.unpac.me/results/bd86a2df-9338-464d-a7bb-600efd2f8463/
SH256 hash:
bcaef088e32d60b47f0366a828712b41ff58c9802a39a20fc6db70310f5eeb6d
MD5 hash:
b2da0f917400760e4bbeea0710cea6a4
SHA1 hash:
6519c2df9924eabf880e523b436fe582398920af
Link:
https://www.unpac.me/results/bd86a2df-9338-464d-a7bb-600efd2f8463/
SH256 hash:
d8fc5dfdf2800247eb610beb076fec4d2becf6d951e89445d43237fe97814218
MD5 hash:
e5d93dadd08b8bc727e4f4853c6881ba
SHA1 hash:
27e0e057d33f01586193b0cbf06561c2863951f4
Link:
https://www.unpac.me/results/bd86a2df-9338-464d-a7bb-600efd2f8463/
SH256 hash:
a1a882d7abefdec8678649330339a2f080a777450da1be5110b88e81a8ea38cc
MD5 hash:
0a0a483d55322204ce0c960af3ed5cdc
SHA1 hash:
e0ee65052e3ff42cd3cfeb798dee85d25376b013
Link:
https://www.unpac.me/results/bd86a2df-9338-464d-a7bb-600efd2f8463/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a1a882d7abef/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a1a882d7abefdec8678649330339a2f080a777450da1be5110b88e81a8ea38cc

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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 a1a882d7abefdec8678649330339a2f080a777450da1be5110b88e81a8ea38cc

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/388200/

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