MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e1523aa5db6577a8b9e202e999aebcc1d69ff78dc8907e7deff5b3486eb7d57c. 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



AgentTesla


Vendor detections: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: e1523aa5db6577a8b9e202e999aebcc1d69ff78dc8907e7deff5b3486eb7d57c
SHA3-384 hash: 41ee9bf94ab0a30a7d227205321fb61b2e9df1436e37f2aba663bd6f536e1dfbf622a7a2b75fe7dcf240c48766783bfa
SHA1 hash: 0da8a459fbca2f8a8c03ee54b4faa922d1013dd8
MD5 hash: f1f7f47a837dfa5ec901b8a89efce22f
humanhash: fourteen-wyoming-item-monkey
File name:remittance slip.exe
Download: download sample
Signature AgentTesla
File size:877'056 bytes
First seen:2022-04-14 11:52:59 UTC
Last seen:2022-04-20 10:23:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'813 x AgentTesla, 19'735 x Formbook, 12'282 x SnakeKeylogger)
ssdeep 24576:NFRsCLaHZOKX0WAnygCIhhrHc7G2o1Zxmh:JsCLaH8EzADjTc7hixm
Threatray 15'964 similar samples on MalwareBazaar
TLSH T121150100F2E9AFA6D43983F48C74D40823B5B75A187DCA197CF6B4DB0971BC26265E4B
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
268
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
remittance slip.exe
Verdict:
Malicious activity
Analysis date:
2022-04-14 12:01:56 UTC
Tags:
agenttesla

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

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed replace.exe update.exe
Result
Verdict:
UNKNOWN
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.adwa.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
Found malware configuration
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)
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 609301 Sample: remittance slip.exe Startdate: 14/04/2022 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for dropped file 2->42 44 12 other signatures 2->44 7 remittance slip.exe 7 2->7         started        process3 file4 26 C:\Users\user\AppData\Roaming\rnrwnpKYR.exe, PE32 7->26 dropped 28 C:\Users\...\rnrwnpKYR.exe:Zone.Identifier, ASCII 7->28 dropped 30 C:\Users\user\AppData\Local\...\tmp8FC4.tmp, XML 7->30 dropped 32 C:\Users\user\...\remittance slip.exe.log, ASCII 7->32 dropped 46 Writes to foreign memory regions 7->46 48 Adds a directory exclusion to Windows Defender 7->48 50 Injects a PE file into a foreign processes 7->50 11 RegSvcs.exe 2 7->11         started        16 RegSvcs.exe 7->16         started        18 powershell.exe 25 7->18         started        20 schtasks.exe 1 7->20         started        signatures5 process6 dnsIp7 36 mail.majulah.com.sg 110.4.45.230, 49759, 587 EXABYTES-AS-APExaBytesNetworkSdnBhdMY Malaysia 11->36 34 C:\Windows\System32\drivers\etc\hosts, ASCII 11->34 dropped 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->52 54 Tries to steal Mail credentials (via file / registry access) 11->54 56 Tries to harvest and steal ftp login credentials 11->56 62 2 other signatures 11->62 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->58 60 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 16->60 22 conhost.exe 18->22         started        24 conhost.exe 20->24         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-14 09:16:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Drops file in Drivers directory
AgentTesla
Unpacked files
SH256 hash:
b9ac500f7e86ba5c7cc208b0ce88e0a0124cf361cb042b3c9b5747d233abaf36
MD5 hash:
21b51d83c2905d482c4792cfbfe6ea33
SHA1 hash:
b127cadfb78fd3f31be1d952d5a6fc8c33bcb56d
SH256 hash:
7a2d87ce9a68d0bc34ccde84b67a9a7e4239ba09e4751e521c18ee0834a469a9
MD5 hash:
c599e15f7f99b7c1828edb0f1aa04324
SHA1 hash:
954ee1d98078df747d8a2f6a4819508b0fa6faa1
SH256 hash:
c14ea4bdd27d729f044bf4e83e0bdb1e1cfcc92c987036fdbc439283c1022211
MD5 hash:
0587f7540c5eefae2bb042a11ff155d5
SHA1 hash:
24ca734b95fe93790c053f748791de56e66ebc1e
SH256 hash:
609f76b68be80a03a815c76b3c18e97f6ef061931c1d2560f0d5660f883bcd0c
MD5 hash:
a055542f674c6caebe5d176219189fc1
SHA1 hash:
1f41aed9388247b1eb4e7d27216837e638a55251
SH256 hash:
e1523aa5db6577a8b9e202e999aebcc1d69ff78dc8907e7deff5b3486eb7d57c
MD5 hash:
f1f7f47a837dfa5ec901b8a89efce22f
SHA1 hash:
0da8a459fbca2f8a8c03ee54b4faa922d1013dd8
Malware family:
AgentTesla.v3
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:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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

AgentTesla

Executable exe e1523aa5db6577a8b9e202e999aebcc1d69ff78dc8907e7deff5b3486eb7d57c

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments