MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2998cbe4e07c4aab6a9b58891e6823fa52f11cbcf49bdbc39b25b118abb24e4f. 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: 19


Intelligence 19 IOCs YARA 19 File information Comments
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SHA256 hash: 2998cbe4e07c4aab6a9b58891e6823fa52f11cbcf49bdbc39b25b118abb24e4f
SHA3-384 hash: 85348ec3bb61a56a96c16bab30df46214eada345bf32b9b741b217ede2d2d8a26ea7efeb70f93b310d97803f913e4009
SHA1 hash: df4012b5101c84dd3f2547255bd95a25a3fb1e47
MD5 hash: 115601c7539bec143f7a78ab15e9690e
humanhash: twenty-mobile-lactose-avocado
File name:Transaction Notification.exe
Download: download sample
Signature Formbook
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File size:489'984 bytes
First seen:2024-06-20 03:52:06 UTC
Last seen:2024-06-20 04:27:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'604 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:s6wA9s0fkKyYbeyBk8oLOARUDUFJ/P0VI+26rvluuTHxgzoBlEFAj5bXZYW3wRio:hRwFMItqoupj5bpz3gip4DDxqfhDNL
TLSH T183A4C015B678D36BCA6D43783C61650802F9504F32EEFFC98D93A0E72AD67C184762A7
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) (4504/4/1)
Reporter mautshim
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
364
Origin country :
ID ID
Vendor Threat Intelligence
Malware family:
agenttesla
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ID:
1
File name:
2998cbe4e07c4aab6a9b58891e6823fa52f11cbcf49bdbc39b25b118abb24e4f.exe
Verdict:
Malicious activity
Analysis date:
2024-06-20 03:53:11 UTC
Tags:
evasion smtp agenttesla stealer exfiltration
Link:
https://app.any.run/tasks/68361532-1557-4de0-9aaf-61a207b8bacb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.62.21980.28853.UNOFFICIAL
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Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6673a9480f8138dd4eb0ff65win7simulatehigh_evasion
Tags:
Generic Malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Searching for synchronization primitives
Creating a file
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade monero
Link:
https://www.filescan.io/uploads/6673a79e0bf5978c0b10c3aa/reports/d6633e5a-c0db-4f01-a073-2f125d4c6e0b/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/2998cbe4e07c4aab6a9b58891e6823fa52f11cbcf49bdbc39b25b118abb24e4f
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:
Agent Tesla
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/716b7a03-a364-4074-a097-0cf071b02ad2
Result
Threat name:
AgentTesla
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1459856
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to inject code into remote processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2998cbe4e07c4aab6a9b58891e6823fa52f11cbcf49bdbc39b25b118abb24e4f
Detection:
agenttesla
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Link:
https://mwdb.cert.pl/sample/2998cbe4e07c4aab6a9b58891e6823fa52f11cbcf49bdbc39b25b118abb24e4f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2024-05-29 22:21:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fgmmxzhaprfkw2u3lcer42bd7jjpchf46sn5xq43ewyrrk5sjzhq._file
Verdict:
malicious
Label(s):
agenttesla
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Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240620-efmj1sxdma/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5b4d4051-1d37-408e-82ae-b5b44f87f8e9
Unpacked files
SH256 hash:
4c9992f294bc88aaab3386f5169a3605cdeec546366392c2aeca92078b9d95bc
MD5 hash:
11df7cb2571c6c9d54061b03eaf5db08
SHA1 hash:
0c4696bddf50e472f714507e0f7c3eb7ac929d5a
Detections:
AgentTesla
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win_agent_tesla_g2
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INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
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Agenttesla_type2
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INDICATOR_SUSPICIOUS_Binary_References_Browsers
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INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
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INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
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INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
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INDICATOR_EXE_Packed_GEN01
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INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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Link:
https://www.unpac.me/results/23c0fe52-5166-4eef-afb6-8f34899e2f05/
Parent samples :
59bfb982d029cacbcb298fb5f5cd32d30a4420c92cca120304e144aad3608068
4c9992f294bc88aaab3386f5169a3605cdeec546366392c2aeca92078b9d95bc
40f8707dad42d413a25571f4e20538877c6b2e2c5a8d758788da4522c3a085a1
7ef843eff8a539d4296d4ef84613b9d1efae655d3d5bbe7d23972ac414e0a25b
2998cbe4e07c4aab6a9b58891e6823fa52f11cbcf49bdbc39b25b118abb24e4f
SH256 hash:
2998cbe4e07c4aab6a9b58891e6823fa52f11cbcf49bdbc39b25b118abb24e4f
MD5 hash:
115601c7539bec143f7a78ab15e9690e
SHA1 hash:
df4012b5101c84dd3f2547255bd95a25a3fb1e47
Link:
https://www.unpac.me/results/23c0fe52-5166-4eef-afb6-8f34899e2f05/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2998cbe4e07c/report/overview.html
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
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Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
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Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
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Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:BitcoinAddress
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Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:DebuggerCheck__RemoteAPI
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
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Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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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
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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
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Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
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Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
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Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
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Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
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Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NETexecutableMicrosoft
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Author:malware-lu
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_ebf431a8
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Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

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

Malspam

Formbook

Executable exe 2998cbe4e07c4aab6a9b58891e6823fa52f11cbcf49bdbc39b25b118abb24e4f

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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