MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d. 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: 18


Intelligence 18 IOCs YARA 18 File information Comments

SHA256 hash: 72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d
SHA3-384 hash: 161d081185de1d4c2515dea0ed5c6b8b1aee60efcab7a2142c366a71f2766b6d88d3a4868d2294cc504e7348596b998d
SHA1 hash: f1d36a5fe6d583244a133b38dc9e3a211c0ab133
MD5 hash: 9cc2315d58203686c68c13889ed991b7
humanhash: uniform-triple-mars-muppet
File name:AMENDED PO_#KRMU _YMHG7 PO#QSB-8927393QSB-94 & QSB-95_24.exe
Download: download sample
Signature Formbook
File size:769'024 bytes
First seen:2024-02-12 14:18:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:mSqcMkzqHKMbzhV2eMKOgubfwNgxh30kzl7Q+ml+02C0Fon/XrA2Ua/IbRX/fheo:mETz87b4ZlDwNgxhThc3atFQ/dCXxr
TLSH T190F40211F2F85F26DB7E87F8266091404FF6389B6456E2DE4CDA50DEA1A4F808D52F23
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
368
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d.exe
Verdict:
Malicious activity
Analysis date:
2024-02-12 14:19:48 UTC
Tags:
evasion stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1390845 Sample: AMENDED PO_#KRMU _YMHG7 PO#... Startdate: 12/02/2024 Architecture: WINDOWS Score: 100 61 mail.coperwire.com 2->61 63 ip-api.com 2->63 65 2 other IPs or domains 2->65 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 Antivirus / Scanner detection for submitted sample 2->77 79 17 other signatures 2->79 8 AMENDED PO_#KRMU _YMHG7 PO#QSB-8927393QSB-94 & QSB-95_24.exe 7 2->8         started        12 CxwaRYFFIhQpF.exe 5 2->12         started        14 xElDY.exe 2->14         started        16 xElDY.exe 2->16         started        signatures3 process4 file5 57 C:\Users\user\AppData\...\CxwaRYFFIhQpF.exe, PE32 8->57 dropped 59 C:\Users\user\AppData\Local\...\tmp515D.tmp, XML 8->59 dropped 89 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->89 91 Adds a directory exclusion to Windows Defender 8->91 93 Injects a PE file into a foreign processes 8->93 18 AMENDED PO_#KRMU _YMHG7 PO#QSB-8927393QSB-94 & QSB-95_24.exe 16 5 8->18         started        23 powershell.exe 22 8->23         started        35 3 other processes 8->35 95 Antivirus detection for dropped file 12->95 97 Multi AV Scanner detection for dropped file 12->97 99 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->99 25 CxwaRYFFIhQpF.exe 12->25         started        27 schtasks.exe 12->27         started        101 Machine Learning detection for dropped file 14->101 29 xElDY.exe 14->29         started        37 3 other processes 14->37 31 xElDY.exe 16->31         started        33 schtasks.exe 16->33         started        signatures6 process7 dnsIp8 67 ip-api.com 208.95.112.1, 49705, 49710, 49717 TUT-ASUS United States 18->67 69 coperwire.com 149.56.180.35, 49708, 49711, 49718 OVHFR Canada 18->69 71 api.ipify.org 104.26.12.205, 443, 49704, 49709 CLOUDFLARENETUS United States 18->71 53 C:\Users\user\AppData\Roaming\...\xElDY.exe, PE32 18->53 dropped 55 C:\Users\user\...\xElDY.exe:Zone.Identifier, ASCII 18->55 dropped 81 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->81 83 Tries to steal Mail credentials (via file / registry access) 18->83 85 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->85 39 WmiPrvSE.exe 23->39         started        41 conhost.exe 23->41         started        43 conhost.exe 27->43         started        87 Tries to harvest and steal browser information (history, passwords, etc) 31->87 45 conhost.exe 33->45         started        47 conhost.exe 35->47         started        49 conhost.exe 35->49         started        51 conhost.exe 37->51         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2024-02-12 06:55:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
466b4ef33d68b0ed011d82f786be671148b9c6340d79d7db2ca072d0b293b09f
MD5 hash:
7e789ecdbeb62cea2147ccfbdd2e2291
SHA1 hash:
b64ae5a4d3d0ae0433b4e05376c784620185bacc
SH256 hash:
38e0c6d980305c75802c29c0296f16fe0e9d8ef0c387580096acbfb914a805a3
MD5 hash:
6d6dc9776d8f8feaf6f35048c87e3c85
SHA1 hash:
2a93098d71c171354d458ecabd97c5b2aca00cf4
SH256 hash:
187289df4ed67c7f713aac278c8fb513fb520df2eb133788385ce5b99ffe66ef
MD5 hash:
42f2a716c5b04f13b797ba0267a7921e
SHA1 hash:
1493dc271e7068d185e79ff898d6173a1442f7fc
Detections:
AgentTesla win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
9a64ec015503b6727fd9869859489b6b51a469ca0f055c9ced0e75d82bb88581
MD5 hash:
6fca78665b11438917f1c0f97364c5bb
SHA1 hash:
142ea01a2876b3a0aa62e413bafd87f1f4d71e1d
SH256 hash:
72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d
MD5 hash:
9cc2315d58203686c68c13889ed991b7
SHA1 hash:
f1d36a5fe6d583244a133b38dc9e3a211c0ab133
Malware family:
AgentTesla
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

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