MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99a8dbacf70de531b3f0fe81ab684aebb845ddf2148942548edbb23f239aa487. 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: 17


Intelligence 17 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 99a8dbacf70de531b3f0fe81ab684aebb845ddf2148942548edbb23f239aa487
SHA3-384 hash: 20acfcb1a7ce590b3b19d1de4719bfb0d41982dc3168e011fb30a56ffa1288013debb0ef889735e2db5289c4fd79a114
SHA1 hash: c1a2f26c4b0bcfbaa99e065f865305ce965527de
MD5 hash: dd0a598210eb6329f2d614ead679d3e6
humanhash: item-hot-happy-fanta
File name:PDA Invoices.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:927'744 bytes
First seen:2023-09-20 16:56:42 UTC
Last seen:2023-09-20 19:10:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:s5FImlfJw1U4z5HZGTwrjoBC/kIzOxk7fW2rDCfACWN+Ulql094jKS:mbBwrzm20Y/kIzOJ2nu2Lql094K
Threatray 1'419 similar samples on MalwareBazaar
TLSH T1AF15021372AE0616E6FB56F946B00014A7B7B94A3262D7EC1C5014DE19F1BC38B93F67
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 71f0d4d4d4d4c8d4 (4 x AgentTesla)
Reporter cocaman
Tags:AgentTesla exe INVOICE

Intelligence

File Origin
# of uploads :
2
# of downloads :
278
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
PDA Invoices.exe
Verdict:
Malicious activity
Analysis date:
2023-09-20 17:02:12 UTC
Tags:
stealer agenttesla trojan
Link:
https://app.any.run/tasks/cbefb1e7-c2a8-49cc-9da0-33c042c0574b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/450105/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/650b24660870810f01830e8f/reports/b6e813c1-12dc-427c-a1e0-724d89169810/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/99a8dbacf70de531b3f0fe81ab684aebb845ddf2148942548edbb23f239aa487
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2925b3dc-9b23-4ae0-a4a1-9b3aa0e55fa2
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1311747
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1311747 Sample: PDA_Invoices.exe Startdate: 20/09/2023 Architecture: WINDOWS Score: 100 53 mail.unitechautomations.com 2->53 57 Snort IDS alert for network traffic 2->57 59 Found malware configuration 2->59 61 Antivirus / Scanner detection for submitted sample 2->61 63 9 other signatures 2->63 8 PDA_Invoices.exe 7 2->8         started        12 JFGIPLyTVwmau.exe 5 2->12         started        14 fCVSa.exe 2->14         started        16 fCVSa.exe 2->16         started        signatures3 process4 file5 49 C:\Users\user\AppData\...\JFGIPLyTVwmau.exe, PE32 8->49 dropped 51 C:\Users\user\AppData\Local\...\tmpB015.tmp, XML 8->51 dropped 75 Uses schtasks.exe or at.exe to add and modify task schedules 8->75 77 Writes to foreign memory regions 8->77 79 Adds a directory exclusion to Windows Defender 8->79 81 Injects a PE file into a foreign processes 8->81 18 RegSvcs.exe 1 4 8->18         started        23 powershell.exe 23 8->23         started        25 powershell.exe 23 8->25         started        27 schtasks.exe 1 8->27         started        83 Antivirus detection for dropped file 12->83 85 Multi AV Scanner detection for dropped file 12->85 87 Machine Learning detection for dropped file 12->87 29 RegSvcs.exe 12->29         started        31 schtasks.exe 12->31         started        37 2 other processes 12->37 33 conhost.exe 14->33         started        35 conhost.exe 16->35         started        signatures6 process7 dnsIp8 55 mail.unitechautomations.com 192.185.129.60, 49712, 49713, 49714 UNIFIEDLAYER-AS-1US United States 18->55 47 C:\Users\user\AppData\Roaming\...\fCVSa.exe, PE32 18->47 dropped 65 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->65 67 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->67 69 Tries to steal Mail credentials (via file / registry access) 18->69 39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 27->43         started        71 Tries to harvest and steal browser information (history, passwords, etc) 29->71 73 Hides that the sample has been downloaded from the Internet (zone.identifier) 29->73 45 conhost.exe 31->45         started        file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/99a8dbacf70de531b3f0fe81ab684aebb845ddf2148942548edbb23f239aa487/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-09-19 06:45:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
24 of 38 (63.16%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tgunxlhxbxstdm7q72a2w2ck5o4elxpscseueveo3ozd6i42usdq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
099239f804cec77a75d9142dbc302c3c75fb607ec967d9ee38ea1eb21b392a49
AgentTesla
0a9c0028ca8e438ed316db1335b3a25af6d923fd25c61ce4c79a7bc41a843c76
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1464482f2d705d8813e983c4ee8582bde6f1d515c5e2c9406f13146fcf3f2687
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1583539750a0978ddd44e880b98312186bb4cb236635201b209c67703e899e8e
AgentTesla
3c4a2782dee4d2ba36d30300117f2ada72254fff19c923d0560eb0ce1afd2faa
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657c920b2a5333f8dfadd7fa40d1fa0e741526e4d539530961562f9db55ac27b
AgentTesla
88d9bc2a3b864ddf5b1e1763a9f3489be3f6d1480bcc4be9dd9d7d688d59af77
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a787e3b32663d3b07dfa01f487ab5b0b94dcc8d28ff7a819b30275dd04b269b5
AgentTesla
+ 1'409 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230920-vf9mjshe51/
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
Adds Run key to start application
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
4a8d70ece798fb6955e46bdb4b4813924a3bbcf205e585fd0aef148123a44489
MD5 hash:
3bcd5e9d69da03ebe27b9c2e472d9e8d
SHA1 hash:
aa268bd00ed60a5907b4b2a669ddd21a1b8bb4da
Link:
https://www.unpac.me/results/65ebdb8a-554a-494a-ab3c-d32911a4c663/
SH256 hash:
eb86083196618495db7e96ee0f94fbf15c5a4b1b435b50d5096cef76cc37e258
MD5 hash:
e1e657881ecf07639b35fdbb465f6ed6
SHA1 hash:
93b145210502dae87dd88fd6b848f54818f021ad
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/65ebdb8a-554a-494a-ab3c-d32911a4c663/
Parent samples :
99e3eacb8e3e7a864986921418025df3e67f4e8e0c0c63337a7e58ce7e810ed5
bb455210f31c280bcc19cf45abe2c1c4dada8e2f97d37f6241b8a299b2232813
657c920b2a5333f8dfadd7fa40d1fa0e741526e4d539530961562f9db55ac27b
99a8dbacf70de531b3f0fe81ab684aebb845ddf2148942548edbb23f239aa487
SH256 hash:
0630b864e828fff2d66f33ab7d00fad231df4c00fc0bbad313ee0d12ca503198
MD5 hash:
f559a9abbd849eb977d262d597d6e4fd
SHA1 hash:
0a8769b40b026852690c89b913c2812817ef43c8
Link:
https://www.unpac.me/results/65ebdb8a-554a-494a-ab3c-d32911a4c663/
Parent samples :
cef72412a1dd9486bae5f7e606d4330660fba98575ba1c939559ccc83536f41a
81ccf158093718305b3499d0f16d8a82bcad69f2740066daca8d5b5ca9979688
SH256 hash:
69f9a4895365cf4d19e77894d57ac3e630f66a54e77ecf7e4e2ee728ff6730c9
MD5 hash:
79fe79ed40317d702fa89047eba33ced
SHA1 hash:
090acde44dc06eed10f525b2839fe100f971c06e
Link:
https://www.unpac.me/results/65ebdb8a-554a-494a-ab3c-d32911a4c663/
SH256 hash:
99a8dbacf70de531b3f0fe81ab684aebb845ddf2148942548edbb23f239aa487
MD5 hash:
dd0a598210eb6329f2d614ead679d3e6
SHA1 hash:
c1a2f26c4b0bcfbaa99e065f865305ce965527de
Link:
https://www.unpac.me/results/65ebdb8a-554a-494a-ab3c-d32911a4c663/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/99a8dbacf70d/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/99a8dbacf70de531b3f0fe81ab684aebb845ddf2148942548edbb23f239aa487

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
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
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

File information

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

Malspam

AgentTesla

zip 1a0877854d1dbca39a40b3c89b4474f59e2f8a8911245ce49f88512a951cb271

AgentTesla

Executable exe 99a8dbacf70de531b3f0fe81ab684aebb845ddf2148942548edbb23f239aa487

(this sample)

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/450105/
  
Dropped by
SHA256 1a0877854d1dbca39a40b3c89b4474f59e2f8a8911245ce49f88512a951cb271
  
Dropped by
MD5 3dd1f68f16c0f3d9943b71a69c79a9ca

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