MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e5ba47d37554211c555170329555afae35d41989297a18bddbf33bfb2d30a6f0. 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 16 File information Comments
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SHA256 hash: e5ba47d37554211c555170329555afae35d41989297a18bddbf33bfb2d30a6f0
SHA3-384 hash: 106beb2744334c9e973f2fb273d9deb37c8f7cd9ad99a984bc9bca0914ebc74d99a225631b9ae6f48a9eb73f11909972
SHA1 hash: 134b24237893807f233724214179899a9f66ffde
MD5 hash: 81587f5481276b1bc883bdd572de5058
humanhash: sweet-may-may-oklahoma
File name:PO-010816-WA0002.pdf.ST-07scr.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:720'384 bytes
First seen:2024-02-19 15:45:56 UTC
Last seen:2024-02-20 10:07:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:HGSmPwRYnOELz89s5lvqcjduVrut90Rrmka8u0uZitL1dZ5SNlzpTbKYwVNkHV:mSmP0Y74szvFduB60Rr9BtuZitxBAzhB
TLSH T11AE42248A7AC4B8AEDB66FF05163A01543F7A1260972E35A5ECB30CF5E93F514B28743
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 :
3
# of downloads :
397
Origin country :
US US
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/476829/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
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SecuriteInfo.com.Win32.CrypterX-gen.11183.13512.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65d377c0e304215defb45e81/reports/3ca8e5ee-87a7-4430-b383-b9d34eaa4c01/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/e5ba47d37554211c555170329555afae35d41989297a18bddbf33bfb2d30a6f0
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/ad382362-c6b3-4170-81c4-b89ff8744247
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1394674
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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
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)
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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
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
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1394674 Sample: PO-010816-WA0002.pdf.ST-07scr.exe Startdate: 19/02/2024 Architecture: WINDOWS Score: 100 23 smtp.doogeee.com 2->23 25 us2.smtp.mailhostbox.com 2->25 27 2 other IPs or domains 2->27 35 Snort IDS alert for network traffic 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 12 other signatures 2->41 8 PO-010816-WA0002.pdf.ST-07scr.exe 4 2->8         started        signatures3 process4 signatures5 43 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->43 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->45 47 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->47 49 3 other signatures 8->49 11 PO-010816-WA0002.pdf.ST-07scr.exe 15 2 8->11         started        15 powershell.exe 19 8->15         started        17 PO-010816-WA0002.pdf.ST-07scr.exe 8->17         started        process6 dnsIp7 29 ip-api.com 208.95.112.1, 49717, 80 TUT-ASUS United States 11->29 31 us2.smtp.mailhostbox.com 208.91.198.143, 49718, 49731, 49733 PUBLIC-DOMAIN-REGISTRYUS United States 11->31 33 api.ipify.org 172.67.74.152, 443, 49715 CLOUDFLARENETUS United States 11->33 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->51 53 Tries to steal Mail credentials (via file / registry access) 11->53 55 Tries to harvest and steal browser information (history, passwords, etc) 11->55 19 WmiPrvSE.exe 15->19         started        21 conhost.exe 15->21         started        signatures8 process9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e5ba47d37554211c555170329555afae35d41989297a18bddbf33bfb2d30a6f0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e5ba47d37554211c555170329555afae35d41989297a18bddbf33bfb2d30a6f0/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-02-19 07:07:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4w5epu3vkqqryvkroazjkvnpvy25igmjff5brpo36m57wljqu3ya._file
Verdict:
malicious
Label(s):
agenttesla_v4
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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/240219-s7lzfsfa8y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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:
1dd28cb3792676a20e9f736201a3eef79c0d111c37844867528f85d2cb585fd7
MD5 hash:
0b0815a9c6f8636f597056add7a03ced
SHA1 hash:
ef5ec9f8272cc6de10a9c5b6ef5b3927f4c13ad5
Link:
https://www.unpac.me/results/e08afb4c-ade5-4276-8790-804dd426a9f1/
SH256 hash:
6d428f570f89af8607428870058faba381f29cb1d262a180695ceab23ecee5b8
MD5 hash:
7dbc7aa8a8e744872ea910398f868919
SHA1 hash:
e9b0aa849a97710d87f3b91589fbece61a1a90b6
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_EXE_Packed_GEN01
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INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/e08afb4c-ade5-4276-8790-804dd426a9f1/
Parent samples :
e5ba47d37554211c555170329555afae35d41989297a18bddbf33bfb2d30a6f0
dcbd4ccc44f8e25f19fba42304e8d4c7e491b85459cc7885dd65d1de31f6ab8e
SH256 hash:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
Link:
https://www.unpac.me/results/e08afb4c-ade5-4276-8790-804dd426a9f1/
SH256 hash:
06e657f27dec7d4238de33bccffe2afe0ddeb0db34b1b67c9824784dc4c2ab0b
MD5 hash:
4e889cbaa7a03d4d3c31d6ef203ad840
SHA1 hash:
7b2723a8cbfa237773b733fd59c8445ea9e3356b
Link:
https://www.unpac.me/results/e08afb4c-ade5-4276-8790-804dd426a9f1/
SH256 hash:
e5ba47d37554211c555170329555afae35d41989297a18bddbf33bfb2d30a6f0
MD5 hash:
81587f5481276b1bc883bdd572de5058
SHA1 hash:
134b24237893807f233724214179899a9f66ffde
Link:
https://www.unpac.me/results/e08afb4c-ade5-4276-8790-804dd426a9f1/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e5ba47d37554/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e5ba47d37554211c555170329555afae35d41989297a18bddbf33bfb2d30a6f0

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: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
Create hunting rule
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
Create hunting rule
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 artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security

File information

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

Malspam

Formbook

zip fec7941dda7aae6dfc4f9fc98837b0d1d1ef9010df21fa1f2e7edf918ca2fcb0

Formbook

Executable exe e5ba47d37554211c555170329555afae35d41989297a18bddbf33bfb2d30a6f0

(this sample)

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/476829/
  
Dropped by
SHA256 fec7941dda7aae6dfc4f9fc98837b0d1d1ef9010df21fa1f2e7edf918ca2fcb0
  
Dropped by
MD5 92669097624b9221e4f5fd24f32436f6

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