MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b980a607bf3bf7e57c2f0745195b2040ea0aafd0a9bea23d0985bff045c72db. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b980a607bf3bf7e57c2f0745195b2040ea0aafd0a9bea23d0985bff045c72db
SHA3-384 hash: e8de0ce6531990926a4ce11b965cd0376330e289ac45724d5200d927e316af2cb8838658b9e58c7289509a28a9180037
SHA1 hash: 9233491ccf82ccecdecbae1a2ce48aeee3973b01
MD5 hash: 68641dda684fa0e75812fcd786eb24a9
humanhash: magnesium-india-october-butter
File name:23433.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:328'137 bytes
First seen:2022-11-22 04:17:43 UTC
Last seen:2022-11-22 05:30:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:MEa0N39tTkFUIxHabEPWBUEgrhOCTPkezIGCLUuxWuu7Lr5D4lr1rZcVU:XLil0CjPTPHzIGCQuxWf798s+
Threatray 839 similar samples on MalwareBazaar
TLSH T11F64133360E0C2A7C21776734C2BB76BC675903689A66B874B8C4FB598B5752B1123CF
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
183
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
23433.exe
Verdict:
Malicious activity
Analysis date:
2022-11-22 04:22:00 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/c0e73015-f182-4ad3-8997-c2de77ec34d3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/337038/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.63700951.21599.1962.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook lokibot overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/637c4d7a903ba0eaf36cf28f/reports/3d1b051c-4232-47c8-ab0f-30a882b131e3/overview
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4b48c5e0-cb0d-499a-9601-3ce6bc7f3ee6
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1118635
Signature
.NET source code contains very large array initializations
Creates multiple autostart registry keys
Detected unpacking (creates a PE file in dynamic memory)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
May check the online IP address of the machine
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)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 751347 Sample: 23433.exe Startdate: 22/11/2022 Architecture: WINDOWS Score: 100 66 Malicious sample detected (through community Yara rule) 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 Yara detected AgentTesla 2->70 72 2 other signatures 2->72 7 23433.exe 18 2->7         started        10 sqbkcfkrxtfrf.exe 2->10         started        13 sqbkcfkrxtfrf.exe 2->13         started        process3 file4 28 C:\Users\user\AppData\Local\...\zjglmqof.exe, PE32 7->28 dropped 15 zjglmqof.exe 1 2 7->15         started        80 Multi AV Scanner detection for dropped file 10->80 82 Detected unpacking (creates a PE file in dynamic memory) 10->82 84 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->84 88 3 other signatures 10->88 19 sqbkcfkrxtfrf.exe 14 3 10->19         started        86 Maps a DLL or memory area into another process 13->86 22 sqbkcfkrxtfrf.exe 3 13->22         started        signatures5 process6 dnsIp7 30 C:\Users\user\AppData\...\sqbkcfkrxtfrf.exe, PE32 15->30 dropped 50 Multi AV Scanner detection for dropped file 15->50 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->52 54 May check the online IP address of the machine 15->54 64 4 other signatures 15->64 24 zjglmqof.exe 17 4 15->24         started        32 3.232.242.170, 443, 49701, 49702 AMAZON-AESUS United States 19->32 34 api.ipify.org.herokudns.com 19->34 36 api.ipify.org 19->36 38 mail.jackbarber.com 22->38 40 jackbarber.com 22->40 42 2 other IPs or domains 22->42 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->56 58 Tries to steal Mail credentials (via file / registry access) 22->58 60 Tries to harvest and steal ftp login credentials 22->60 62 Tries to harvest and steal browser information (history, passwords, etc) 22->62 file8 signatures9 process10 dnsIp11 44 mail.jackbarber.com 24->44 46 jackbarber.com 138.128.163.242, 49700, 49703, 587 DIMENOCUS United States 24->46 48 2 other IPs or domains 24->48 74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->74 76 Tries to steal Mail credentials (via file / registry access) 24->76 78 Creates multiple autostart registry keys 24->78 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3b980a607bf3bf7e57c2f0745195b2040ea0aafd0a9bea23d0985bff045c72db/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-11-17 09:02:12 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=homauyd36o7x4v6c6b2fdfnsaqhkbkx5bkn6ui6qtbn76bc4olnq._file
Verdict:
malicious
Similar samples:
29f62f439141ded1b38ef98adb31a7504aea04ce96047a05b050a6723f94a458
AgentTesla
2a7f4ff5530858f39321d14a3d55315ed9c616cb352e080467968a8f7904849c
AgentTesla
5b086d5fdd4e2bcf856eb5ee73d1b139589c12d3416abf3ce75042bbdf4ed374
AgentTesla
72903788ca82bf6ef459c9dc518bc1af0227dfa78f3800c982c7e00ced7ff6a7
AgentTesla
bb8796a9e1daa6418cbc7fceaebbf08608bbf85f8af57ee4ddabdf388024cc87
AgentTesla
d0ce808328bbe9addb7b091ca3a486e05530c873ed21bc51610227ed3daf47a8
AgentTesla
+ 829 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/221122-ewybfsaa62/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
Looks up external IP address via web service
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
AgentTesla
Unpacked files
SH256 hash:
c1ec67150d9449b9875157ea000d9093ccd4fd05d1ff4c5c0a615007e706adc6
MD5 hash:
6e8d94f6e8b2a073138f1aaf1f847c95
SHA1 hash:
a6b4643797ea709b8047a69b35628d8235db390e
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/f594a595-dc4e-4d9c-9806-eaf2f85e184a/
Parent samples :
81f5eecb34f22bd640cee738295303153d9afda2a35e365d061d058fbbfed498
fe106c74f3eeef6d52fd27e83aea992b37896aaceb6ac5b969a9cfaf096c9d54
3b980a607bf3bf7e57c2f0745195b2040ea0aafd0a9bea23d0985bff045c72db
SH256 hash:
1640c0d8ce984d7e31aa153c38e5d2dbdec8f2f9adf4940c1fc1dab795c405f6
MD5 hash:
24f006d9b06f339885e97b64777b3e8d
SHA1 hash:
1775552c8d039586170e3ad2c9f5b2e0603a99c1
Link:
https://www.unpac.me/results/f594a595-dc4e-4d9c-9806-eaf2f85e184a/
SH256 hash:
1c68439f904b5553b63987b0abe730ae8f9d0bbf785ea1f9f5b5f56581cb428d
MD5 hash:
ffcae5cd8d19624525478d12a14048bd
SHA1 hash:
3439021f3315ad3f607424b0cb91cbd2eeda59c6
Link:
https://www.unpac.me/results/f594a595-dc4e-4d9c-9806-eaf2f85e184a/
SH256 hash:
3b980a607bf3bf7e57c2f0745195b2040ea0aafd0a9bea23d0985bff045c72db
MD5 hash:
68641dda684fa0e75812fcd786eb24a9
SHA1 hash:
9233491ccf82ccecdecbae1a2ce48aeee3973b01
Link:
https://www.unpac.me/results/f594a595-dc4e-4d9c-9806-eaf2f85e184a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.98
Link:
https://yomi.yoroi.company/submissions/3b980a607bf3bf7e57c2f0745195b2040ea0aafd0a9bea23d0985bff045c72db

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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_d3ac2b2f
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

AgentTesla

Executable exe 3b980a607bf3bf7e57c2f0745195b2040ea0aafd0a9bea23d0985bff045c72db

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/337038/

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