MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c281a71fb596469b127df24339591627da2a8abbb0293103965c85fd6672254f. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: c281a71fb596469b127df24339591627da2a8abbb0293103965c85fd6672254f
SHA3-384 hash: 415b0c60f8fe63753e02487108a9cee4d12539588d6f1f2c3feddda13701f707c0dc5af57dfe9a40352a1fd9bf6697d8
SHA1 hash: 6c2b4c821034063e0bfa8d96d0e6d1b1fbe42192
MD5 hash: d93789ed480aadd2f976c2108830f06a
humanhash: angel-mobile-jig-social
File name:Ödeme pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:693'760 bytes
First seen:2023-01-30 12:31:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:g7dhjdKsFuYEG/GWPJCYZ3Yqrl29+Weh3ih9HnA:gBh7uYV/GI5Frl29+BYTA
TLSH T12EE412A98720CEF9D694037B22B454988B313AEDF466D78803AF9315C48F3129B757BD
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 cc9692b83832968e (13 x AgentTesla, 8 x SnakeKeylogger, 4 x Loki)
Reporter abuse_ch
Tags:exe FormBook geo TUR

Intelligence

File Origin
# of uploads :
1
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Ödeme pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-01-30 12:34:49 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/975ae94b-db41-4c4f-830c-206252a08640

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/358285/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
80%
Tags:
packed
Link:
https://www.filescan.io/uploads/63d7b8c61c9cbf7d6254844b/reports/da80cb9b-8187-4817-8afd-55c9b5cc7a5f/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/15e0a7de-5a84-482e-8746-ab0a1d7dc2b7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1161690
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Sigma detected: Scheduled temp file as task from temp location
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 794445 Sample: #U00d6deme pdf.exe Startdate: 30/01/2023 Architecture: WINDOWS Score: 100 68 Malicious sample detected (through community Yara rule) 2->68 70 Antivirus detection for URL or domain 2->70 72 Sigma detected: Scheduled temp file as task from temp location 2->72 74 9 other signatures 2->74 10 #U00d6deme pdf.exe 7 2->10         started        14 lcmteuR.exe 5 2->14         started        process3 file4 46 C:\Users\user\AppData\Roaming\lcmteuR.exe, PE32 10->46 dropped 48 C:\Users\user\...\lcmteuR.exe:Zone.Identifier, ASCII 10->48 dropped 50 C:\Users\user\AppData\Local\...\tmp3351.tmp, XML 10->50 dropped 52 C:\Users\user\...\#U00d6deme pdf.exe.log, CSV 10->52 dropped 82 Adds a directory exclusion to Windows Defender 10->82 16 RegSvcs.exe 10->16         started        19 powershell.exe 21 10->19         started        21 schtasks.exe 1 10->21         started        84 Multi AV Scanner detection for dropped file 14->84 86 Machine Learning detection for dropped file 14->86 23 RegSvcs.exe 14->23         started        25 schtasks.exe 1 14->25         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 16->60 62 Maps a DLL or memory area into another process 16->62 64 Sample uses process hollowing technique 16->64 66 2 other signatures 16->66 27 explorer.exe 2 1 16->27 injected 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 25->35         started        process8 dnsIp9 54 connect.shopbase.com 52.32.142.147, 49709, 80 AMAZON-02US United States 27->54 56 www.luckystc.com 27->56 58 2 other IPs or domains 27->58 88 System process connects to network (likely due to code injection or exploit) 27->88 90 Uses netsh to modify the Windows network and firewall settings 27->90 37 cmstp.exe 27->37         started        40 netsh.exe 27->40         started        signatures10 process11 signatures12 76 Modifies the context of a thread in another process (thread injection) 37->76 78 Maps a DLL or memory area into another process 37->78 80 Tries to detect virtualization through RDTSC time measurements 37->80 42 cmd.exe 1 37->42         started        process13 process14 44 conhost.exe 42->44         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c281a71fb596469b127df24339591627da2a8abbb0293103965c85fd6672254f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-01-30 12:32:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yka2oh5vszdjwet56jbtswiwe7ncvcv3wautca4wlsc72ztsevhq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:oy19 rat spyware stealer trojan
Link:
https://tria.ge/reports/230130-pqm9eaac83/
Behaviour
Creates scheduled task(s)
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
Formbook payload
Formbook
Unpacked files
SH256 hash:
e00d23c21d20f3ad79ac43594d3970aeddce9318628faf78c6efd880346b9e6d
MD5 hash:
0a39b0a94ed753588fc2eac578a595da
SHA1 hash:
beaf0196c84ad5b2c33ca4702dff52a9106e4bb9
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/5f453999-5a2f-4380-8704-52c88b17caed/
Parent samples :
0fd4b66034d069ae5f17717c688357a56a3cb89b950334e5ae7c35d5b0d0da77
5bd386596a8a19b4259f04241321bd50de564708a21272378dd8012c82c08ff6
e7c6958473fa6def6ed7f484fb05baa83844a7e6af26df3ea1074a9194465175
c281a71fb596469b127df24339591627da2a8abbb0293103965c85fd6672254f
SH256 hash:
178cc7474b323b0ae6b3095ff67127726530d9d44be5cb58ba7315ef3a1199ad
MD5 hash:
159af9cf7f94d64c8120c80268965306
SHA1 hash:
fb41ab37af2c83e96d97e9cd066f90e72d4887ea
Link:
https://www.unpac.me/results/5f453999-5a2f-4380-8704-52c88b17caed/
SH256 hash:
9771759fd93ac4c907e851a51b06d06a69bbc75fd15fa41d3df8496a91309297
MD5 hash:
644baa2638bbd2ea170da591ecdb3dad
SHA1 hash:
dc7165b3a8e293d3f0440725dd598aa9daf56cf2
Link:
https://www.unpac.me/results/5f453999-5a2f-4380-8704-52c88b17caed/
SH256 hash:
54d781f0dee6692c47390edf1ada295fb17a7e80ed5ccd58ab14c6ddf80a0ad8
MD5 hash:
4f6caebd865502f7c8046fbae3284c61
SHA1 hash:
be357e832bf6f61454875b37a1759cf1c5fa5ca4
Link:
https://www.unpac.me/results/5f453999-5a2f-4380-8704-52c88b17caed/
SH256 hash:
fb0fd972d31dcddbf038946f2e5f7124b3922bc407b5b3110c19b1fd6813cb6d
MD5 hash:
94c026cd65aab22dd95a553df8db05ad
SHA1 hash:
36203532e5f916996b769f72be0383740a758d6f
Link:
https://www.unpac.me/results/5f453999-5a2f-4380-8704-52c88b17caed/
SH256 hash:
c281a71fb596469b127df24339591627da2a8abbb0293103965c85fd6672254f
MD5 hash:
d93789ed480aadd2f976c2108830f06a
SHA1 hash:
6c2b4c821034063e0bfa8d96d0e6d1b1fbe42192
Link:
https://www.unpac.me/results/5f453999-5a2f-4380-8704-52c88b17caed/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c281a71fb596/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/c281a71fb596469b127df24339591627da2a8abbb0293103965c85fd6672254f

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.

Cape
Cape
https://www.capesandbox.com/analysis/358285/

Comments