MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1903589a4b2f66ac3bc6e3d2a6244d886fe976d930fc5ab1ba15048c85241475. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1903589a4b2f66ac3bc6e3d2a6244d886fe976d930fc5ab1ba15048c85241475
SHA3-384 hash: 736783d8356040caa7ef1587bbf812e1b663e6b15437c45349049f946e0201105c0334b3cab479789c42396f732e55e6
SHA1 hash: e1b88a0e0a0af6a351af4e6e7f2a0fa11ef3055b
MD5 hash: 1959eb177c68b8e74acfffff40382c89
humanhash: lamp-minnesota-autumn-uniform
File name:RE RFQ AQQ -T2190-CVE97,pdf.img
Download: download sample
Signature AgentTesla
Create hunting rule
File size:709'632 bytes
First seen:2023-10-22 07:15:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:euYI7s9swf+CLYJYNIl05wqp+UkbPK8WfA+QGXDqKVx46ya7J30ZXfm0aeenilTd:zYI7s9s2+CLCW5wqpgi8OVQGFxIAM+gJ
Threatray 364 similar samples on MalwareBazaar
TLSH T1AFE4120271D44633CF760FB88DA2121157F2AE6A2C77D28BCD95B28A45DEB384235BD7
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)
File icon (PE):PE icon
dhash icon 00f0f0d4cc69b244 (10 x AgentTesla, 9 x Formbook, 3 x SnakeKeylogger)
Reporter abuse_ch
Tags:AgentTesla exe img

Intelligence

File Origin
# of uploads :
1
# of downloads :
271
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
RE RFQ AQQ -T2190-CVE97,pdf.img
Verdict:
Malicious activity
Analysis date:
2023-10-22 07:48:59 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/9c304e58-0546-43f9-bf26-97ecfbf927e8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.11974.5191.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/6534cc3d2614136586e91c24/reports/9db4f4a7-1290-42f8-87da-f7cd2ff85415/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1903589a4b2f66ac3bc6e3d2a6244d886fe976d930fc5ab1ba15048c85241475
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/a517749f-a693-402e-8a26-c3d6aa3bc221
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1329900
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
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 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
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
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1329900 Sample: RE_RFQ_AQQ_-T2190-CVE97,pdf... Startdate: 22/10/2023 Architecture: WINDOWS Score: 100 36 mail.absbldg.com 2->36 38 h12.hksx.com 2->38 42 Found malware configuration 2->42 44 Sigma detected: Scheduled temp file as task from temp location 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 8 other signatures 2->48 8 IQzDSWNqxjt.exe 5 2->8         started        11 RE_RFQ_AQQ_-T2190-CVE97,pdf.img.exe 7 2->11         started        signatures3 process4 file5 50 Multi AV Scanner detection for dropped file 8->50 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->52 54 Machine Learning detection for dropped file 8->54 56 Injects a PE file into a foreign processes 8->56 14 IQzDSWNqxjt.exe 2 8->14         started        17 schtasks.exe 1 8->17         started        32 C:\Users\user\AppData\...\IQzDSWNqxjt.exe, PE32 11->32 dropped 34 C:\Users\user\AppData\Local\...\tmp62D8.tmp, XML 11->34 dropped 58 Uses schtasks.exe or at.exe to add and modify task schedules 11->58 60 Adds a directory exclusion to Windows Defender 11->60 19 RE_RFQ_AQQ_-T2190-CVE97,pdf.img.exe 2 11->19         started        22 powershell.exe 22 11->22         started        24 schtasks.exe 1 11->24         started        signatures6 process7 dnsIp8 62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->62 64 Tries to steal Mail credentials (via file / registry access) 14->64 66 Tries to harvest and steal browser information (history, passwords, etc) 14->66 26 conhost.exe 17->26         started        40 h12.hksx.com 202.181.239.232, 49714, 49717, 587 HKCIX-AS-APHongKongCommercialInternetExchangeHK Hong Kong 19->40 28 conhost.exe 22->28         started        30 conhost.exe 24->30         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1903589a4b2f66ac3bc6e3d2a6244d886fe976d930fc5ab1ba15048c85241475
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1903589a4b2f66ac3bc6e3d2a6244d886fe976d930fc5ab1ba15048c85241475/
Threat name:
Win32.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2023-10-06 03:45:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=debvrgslf5tkyo6g4pjkmjcnrbx6s5wzgd6fvmn2cucizbjecr2q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0d05c9ec5cbccc7252bfa4f1fe3da5ac89c431fb9aba15fcbf28621cf2f2a48d
AgentTesla
246d6ffb502aa4b83300c5bb35e008e245ad36d243a83e6bdfee04eefdaac71e
AgentTesla
524368752b84b9040d4ea648e6fa1197da3be58af376b2c09b375e21f5cc7fb0
AgentTesla
78091d62251b24e840b99cf80f6f9f68a1725a1b2cc3a11aee84847e59b38ff6
AgentTesla
954c1a6eaa6c9946aef8dbf957e00b6eb2ab564f564bde22c4a1c1af6b7e2c23
AgentTesla
dfbecad8d36fe0dcdcb4d403209d8762fd4507e14674fabef306e28a5ede518b
AgentTesla
e146c10d13f2ed30acbf8733bf5b3ae1e75572fd917d8b6749b69c54676e9923
AgentTesla
+ 354 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231022-h3thmadh8z/
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
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:
93641bb536cc31c12fe0d724c76ce7bd6822caafbaa4137bcb8160b307b37b45
MD5 hash:
afbc4e74ff5fead5cf905b6545f41637
SHA1 hash:
fb61cd07fc2f651b7096624460ca7daff7918afa
Link:
https://www.unpac.me/results/77319825-0102-49a2-886e-5ab296267f1a/
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
Link:
https://www.unpac.me/results/77319825-0102-49a2-886e-5ab296267f1a/
SH256 hash:
af10a81d30ea6c14a0857caa64697f78672a941419d679b34eedb82e080ad46b
MD5 hash:
ec0b80883f0b18fb75a48dd18795f514
SHA1 hash:
afe9537c27362b6769a1df0ad414b8e58d34ea40
Link:
https://www.unpac.me/results/77319825-0102-49a2-886e-5ab296267f1a/
SH256 hash:
fd994a74f803dd5a29f7cf82f48584c3e45850ed2bd2756357379deef70d1e32
MD5 hash:
7a67a1e4b75f96c8c75b462b2f70a7c7
SHA1 hash:
39fd7d33cfe5c66cd03f3f7a9e9096518fc9b35b
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/77319825-0102-49a2-886e-5ab296267f1a/
Parent samples :
4571baeca67cf5bdbf435a6c65112b6fe2a2d2f36e5da65ce6150faae407f841
4910064584a83b348a17494b285f381eb9e6fabb59c528320ba90b31965c014c
1903589a4b2f66ac3bc6e3d2a6244d886fe976d930fc5ab1ba15048c85241475
SH256 hash:
1903589a4b2f66ac3bc6e3d2a6244d886fe976d930fc5ab1ba15048c85241475
MD5 hash:
1959eb177c68b8e74acfffff40382c89
SHA1 hash:
e1b88a0e0a0af6a351af4e6e7f2a0fa11ef3055b
Link:
https://www.unpac.me/results/77319825-0102-49a2-886e-5ab296267f1a/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1903589a4b2f/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/1903589a4b2f66ac3bc6e3d2a6244d886fe976d930fc5ab1ba15048c85241475

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: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

Executable exe 1903589a4b2f66ac3bc6e3d2a6244d886fe976d930fc5ab1ba15048c85241475

(this sample)

  
Delivery method
Distributed via e-mail attachment

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