MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a420cf9353018576f8b446fd12723e585b96e2086b4aabf06cd113f376a6369. 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 17 File information Comments
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SHA256 hash: 5a420cf9353018576f8b446fd12723e585b96e2086b4aabf06cd113f376a6369
SHA3-384 hash: 3f5640f9da03eaf072fccaa2c640a7e5fe165395aa2a8bf79f55e3e778ed57f913b59bfd9f352b7022ccfb1110615b5f
SHA1 hash: 17eed19e35d8424ef45ace39c13b929a6a209ae9
MD5 hash: f2fcd44fd69512b96bc679243b22e5a9
humanhash: oregon-zulu-golf-potato
File name:SecuriteInfo.com.Win32.CrypterX-gen.24138.2522
Download: download sample
Signature Formbook
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File size:669'184 bytes
First seen:2023-11-29 16:28:05 UTC
Last seen:2023-11-30 11:07:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:mxyvX6CvSRyno9AziP2e5RADycvEX3PlGK3SzdfcgOsf//opox:QyvX6C68onyDv8PwK3g/e
TLSH T109E41208ABB82F33E4B947F91975218487F6A57F1230EBD80DD230EA1652F480B91F5B
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)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
311
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
AgentTeslaV2
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Link:
https://www.capesandbox.com/analysis/461231/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
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SecuriteInfo.com.Win32.CrypterX-gen.24138.2522.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Setting a keyboard event handler
Stealing user critical data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/5a420cf9353018576f8b446fd12723e585b96e2086b4aabf06cd113f376a6369
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/ab4ff2dc-b6a2-4819-92cd-5bbc63fcb363
Result
Threat name:
AgentTesla
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1350004
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5a420cf9353018576f8b446fd12723e585b96e2086b4aabf06cd113f376a6369
Detection:
agenttesla
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Link:
https://mwdb.cert.pl/sample/5a420cf9353018576f8b446fd12723e585b96e2086b4aabf06cd113f376a6369/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2023-11-29 13:43:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ljbaz6jvgamfo34lirx5cjzd4wc3s3raq22kvpygzuit6n3kmnuq._file
Verdict:
malicious
Label(s):
agenttesla_v4
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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/231129-ty8brshh4w/
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 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:
51674486612e300fde800d8b11e5c3a4d3d2d164d903dcd64bcc42226b05c81a
MD5 hash:
ef1f42e650562f4ee6a1fecec8181997
SHA1 hash:
f36f5bae4eb74636233ea23fbaa6b97085140bfa
Link:
https://www.unpac.me/results/423f8f90-442b-4515-88f9-651e546ac2ac/
SH256 hash:
dc2a31ebcef7e1b02ef0b2237da0e126dfebaa6a6336f829c0194b89793e239b
MD5 hash:
3d9dd0ed4f6deb6ad320d84fa5a40542
SHA1 hash:
f2daf79f4bfd1118856e13e1487c99259415d39e
Link:
https://www.unpac.me/results/423f8f90-442b-4515-88f9-651e546ac2ac/
SH256 hash:
3da3723b138d4580ed2038ff49d892231a70dd8f3031dd143b0846a4f05240ce
MD5 hash:
dfc1def464de5859347b1c3dcca190ce
SHA1 hash:
94c552839f26dabf92e10b7c8d83a437e0500155
Detections:
win_agent_tesla_g2
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Agenttesla_type2
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INDICATOR_EXE_Packed_GEN01
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INDICATOR_SUSPICIOUS_Binary_References_Browsers
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INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
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INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
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INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
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INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
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MALWARE_Win_AgentTeslaV2
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Link:
https://www.unpac.me/results/423f8f90-442b-4515-88f9-651e546ac2ac/
Parent samples :
f965267c9355d56472408f903ba9ddfea146c796a561426eac3ec35c46857a7d
5bd3f5d12690c59a0b40566fdc674310f02d4e19d6a6c6dba23b71854872d1fd
5a420cf9353018576f8b446fd12723e585b96e2086b4aabf06cd113f376a6369
927273f7e580438d982ad6a4d7d354f9ccc7ed54b549595a8083e32e81baa500
1c6dffa90d393fdcc2db9e1cf8af2c557129bb4afadb04d87969ad3edd10ffc3
cb3cd1f7db0ac8ef966e513358935676673bd972b8baad11ef0f2a8bfdb9cbe4
SH256 hash:
5b4f31412c8322c612688b995088d1ac4fc19238a39a5e2642e2ebae381e62d6
MD5 hash:
7c18260286611be9b22e92d6a23de587
SHA1 hash:
29947d707a9ec6db6d8defe13b56ad104ed44712
Link:
https://www.unpac.me/results/423f8f90-442b-4515-88f9-651e546ac2ac/
SH256 hash:
5a420cf9353018576f8b446fd12723e585b96e2086b4aabf06cd113f376a6369
MD5 hash:
f2fcd44fd69512b96bc679243b22e5a9
SHA1 hash:
17eed19e35d8424ef45ace39c13b929a6a209ae9
Link:
https://www.unpac.me/results/423f8f90-442b-4515-88f9-651e546ac2ac/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5a420cf93530/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/5a420cf9353018576f8b446fd12723e585b96e2086b4aabf06cd113f376a6369

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:AgentTeslaV2
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Author:ditekshen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
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
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifcats 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:MALWARE_Win_AgentTeslaV2
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Author:ditekSHen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:NET
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Author:malware-lu
Rule name:pe_imphash
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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/461231/

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