MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84446f83c331a16f15d0ca65db1728a528a1050e4d3cc64d4870d65eba49320c. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 84446f83c331a16f15d0ca65db1728a528a1050e4d3cc64d4870d65eba49320c
SHA3-384 hash: 9872354c8c061dcec8eca578587a83a8a0de18a73d092836708556c7fae92114ab67a1a44a9ba6c976d2dabadf465545
SHA1 hash: 6bb3957d63aa273eefe79b4a6c77ebee6754b63e
MD5 hash: 1f4bdd2354206769f8cf3216f0612911
humanhash: bacon-comet-leopard-louisiana
File name:采购订单 - 紧急14052024pjt付款.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:721'920 bytes
First seen:2024-05-14 08:12:37 UTC
Last seen:2024-05-15 07:35:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:iS1AXYMjhvPie/rByY7777777777777MxkaigquW5FGCNi6syzAKi5WHE/AhWsRP:iS1AXYMFniyyvxdBquWA0sl0N75lZ+/2
TLSH T168E4230E33288731D6BCDB3255D860C2033AD116E116D79B9CDB98D6B8BA3B89D14F87
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 TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
345
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
84446f83c331a16f15d0ca65db1728a528a1050e4d3cc64d4870d65eba49320c.exe
Verdict:
Malicious activity
Analysis date:
2024-05-14 09:14:40 UTC
Tags:
evasion stealer agenttesla ftp exfiltration
Link:
https://app.any.run/tasks/95d2e32a-deda-4420-bc73-15fe000cb6c3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.TrojanX-gen.27000.4387.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/84446f83c331a16f15d0ca65db1728a528a1050e4d3cc64d4870d65eba49320c
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/be7ccbac-4839-4044-bc8b-af26c237852c
Result
Threat name:
AgentTesla, PureLog Stealer
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1441171
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
Loading BitLocker PowerShell Module
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)
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 ftp login credentials
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
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1441171 Sample: #U91c7#U8d2d#U8ba2#U5355 - ... Startdate: 14/05/2024 Architecture: WINDOWS Score: 100 30 ip-api.com 2->30 32 ftp.jeepcommerce.rs 2->32 34 bg.microsoft.map.fastly.net 2->34 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Sigma detected: Scheduled temp file as task from temp location 2->44 46 15 other signatures 2->46 8 #U91c7#U8d2d#U8ba2#U5355 - #U7d27#U602514052024pjt#U4ed8#U6b3e.exe 15 6 2->8         started        13 zAaekFzlWmvPoA.exe 3 2->13         started        signatures3 process4 dnsIp5 36 ip-api.com 208.95.112.1, 49706, 80 TUT-ASUS United States 8->36 38 ftp.jeepcommerce.rs 195.252.110.253, 21, 49708 BEOTEL-AShttpwwwbeotelnetRS Serbia 8->38 26 C:\Users\user\AppData\...\zAaekFzlWmvPoA.exe, PE32 8->26 dropped 28 C:\Users\user\AppData\Local\...\tmp41CD.tmp, XML 8->28 dropped 48 Tries to steal Mail credentials (via file / registry access) 8->48 50 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->50 52 Tries to harvest and steal ftp login credentials 8->52 58 2 other signatures 8->58 15 powershell.exe 23 8->15         started        18 schtasks.exe 1 8->18         started        54 Multi AV Scanner detection for dropped file 13->54 56 Machine Learning detection for dropped file 13->56 file6 signatures7 process8 signatures9 60 Loading BitLocker PowerShell Module 15->60 20 WmiPrvSE.exe 15->20         started        22 conhost.exe 15->22         started        24 conhost.exe 18->24         started        process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/84446f83c331a16f15d0ca65db1728a528a1050e4d3cc64d4870d65eba49320c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/84446f83c331a16f15d0ca65db1728a528a1050e4d3cc64d4870d65eba49320c/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-05-14 07:45:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qrcg7a6dggqw6foqzjs5wfziuuukcbioju6mmtkiodlf5osjgiga._file
Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240514-j4eljagf97/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Looks up external IP address via web service
Checks computer location settings
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
Command and Scripting Interpreter: PowerShell
AgentTesla
Unpacked files
SH256 hash:
fd3f1f3f0c984361bb23b2f6ba22a4bbd636095bf6e9d0c31d77b5ccfceed307
MD5 hash:
1e504d0d93436a776666cc8236d65844
SHA1 hash:
834490f9be03a0814c6460f5aae33af12e83b8f5
Link:
https://www.unpac.me/results/370fc424-7a35-4ade-ab1c-7e4322517bf2/
SH256 hash:
7e843a764288885629db944e03560845bd6aae31be1e1ce1d92799b4dffb5f7a
MD5 hash:
2c3f7108d4525ac2856cb70871f15c32
SHA1 hash:
5d04332dac4d5324d89ebca26a2a609b8fd9895e
Link:
https://www.unpac.me/results/370fc424-7a35-4ade-ab1c-7e4322517bf2/
SH256 hash:
a03619719336c6b43cff4bddda670aa39df6340398ed14f67882a77a3d4b4c4a
MD5 hash:
8c72ef6fef1e6a064d9c202c721568db
SHA1 hash:
2b1d13940408110950095b3ba9839821c40894f6
Link:
https://www.unpac.me/results/370fc424-7a35-4ade-ab1c-7e4322517bf2/
SH256 hash:
703f5e60fded94a8fda75bd5bbed5877b2a02bbdfaa36ca9ef2784ab9dbd72f9
MD5 hash:
54ffb1061565672b07f927351c2f2b39
SHA1 hash:
26d5ed01e75b7b0543c9d31cea8b11ee32cebabf
Detections:
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
MALWARE_Win_AgentTeslaV2
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
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/370fc424-7a35-4ade-ab1c-7e4322517bf2/
Parent samples :
84446f83c331a16f15d0ca65db1728a528a1050e4d3cc64d4870d65eba49320c
9665879c5c26c6bce2c05c977f91dad5a19188059b4f380bec54a380f9f7c9c4
SH256 hash:
1a35649cb5c1adf982e0793eb6834ffa91aa47c2b26120a3ee19ad857018a0af
MD5 hash:
d53542e241a56165c77e800b2e8ac907
SHA1 hash:
12a72deed37494c5fe3738e5f074eadea406e8a4
Link:
https://www.unpac.me/results/370fc424-7a35-4ade-ab1c-7e4322517bf2/
SH256 hash:
84446f83c331a16f15d0ca65db1728a528a1050e4d3cc64d4870d65eba49320c
MD5 hash:
1f4bdd2354206769f8cf3216f0612911
SHA1 hash:
6bb3957d63aa273eefe79b4a6c77ebee6754b63e
Link:
https://www.unpac.me/results/370fc424-7a35-4ade-ab1c-7e4322517bf2/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/84446f83c331/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/84446f83c331a16f15d0ca65db1728a528a1050e4d3cc64d4870d65eba49320c

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:AgentTesla_DIFF_Common_Strings_01
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Author:schmidtsz
Description:Identify partial Agent Tesla strings
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.

Malspam

Formbook

Executable exe 84446f83c331a16f15d0ca65db1728a528a1050e4d3cc64d4870d65eba49320c

(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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