agenttesla | b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a

General

Target

b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe
Size

660KB
MD5

818c1d4d7b71a802240c5b04010c0929
SHA1

21ab4b40707da5ccdadf53c37458cc5b5ea674a7
SHA256

b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a
SHA512

fb4e9f6eb2b8b4e1f5e9e3b332a3bc40297f69924c60c052632e68ba44e666c2ceea9b5dc2b6aeb0125ebb03b722e5b1668c8ad90618e0a2e96e2c892584892a
SSDEEP

12288:aH2iNlw09szFS6U2/fdkuj+JvDUPXn1+hVh7ziEy27/MxC1GKuMDwK5J8XVhB+g:01XKC2XdLj+JLSX1kEE/M4wK/wK5qVH9

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.oceanskylogistics.in
Port:
587
Username:
export@oceanskylogistics.in
Password:
Oce@n@1234
Email To:
jose.oliveirea655@gmail.com

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1632-36-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1632-36-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with SmartAssembly 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3300-8-0x0000000005CD0000-0x0000000005CDC000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1632-36-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1632-36-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1632-36-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1632-36-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\JLfew = "C:\\Users\\Admin\\AppData\\Roaming\\JLfew\\JLfew.exe"	RegSvcs.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

17 api.ipify.org
18 api.ipify.org

flow	ioc
17	api.ipify.org
18	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe

description	pid	process	target process
PID 3300 set thread context of 1632	3300	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	RegSvcs.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

4864 schtasks.exe

pid	process
4864	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exeRegSvcs.exe

pid	process
3280	powershell.exe
3280	powershell.exe
5100	powershell.exe
5100	powershell.exe
1632	RegSvcs.exe
1632	RegSvcs.exe
1632	RegSvcs.exe
3280	powershell.exe
5100	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 3280 powershell.exe
Token: SeDebugPrivilege 5100 powershell.exe
Token: SeDebugPrivilege 1632 RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3280	powershell.exe
Token: SeDebugPrivilege	5100	powershell.exe
Token: SeDebugPrivilege	1632	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe

description	pid	process	target process
PID 3300 wrote to memory of 5100	3300	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	powershell.exe
PID 3300 wrote to memory of 5100	3300	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	powershell.exe
PID 3300 wrote to memory of 5100	3300	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	powershell.exe
PID 3300 wrote to memory of 3280	3300	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	powershell.exe
PID 3300 wrote to memory of 3280	3300	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	powershell.exe
PID 3300 wrote to memory of 3280	3300	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	powershell.exe
PID 3300 wrote to memory of 4864	3300	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	schtasks.exe
PID 3300 wrote to memory of 4864	3300	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	schtasks.exe
PID 3300 wrote to memory of 4864	3300	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	schtasks.exe
PID 3300 wrote to memory of 1632	3300	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	RegSvcs.exe
PID 3300 wrote to memory of 1632	3300	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	RegSvcs.exe
PID 3300 wrote to memory of 1632	3300	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	RegSvcs.exe
PID 3300 wrote to memory of 1632	3300	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	RegSvcs.exe
PID 3300 wrote to memory of 1632	3300	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	RegSvcs.exe
PID 3300 wrote to memory of 1632	3300	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	RegSvcs.exe
PID 3300 wrote to memory of 1632	3300	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	RegSvcs.exe
PID 3300 wrote to memory of 1632	3300	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe
"C:\Users\Admin\AppData\Local\Temp\b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3300

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5100

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uJJKThDIVHPLhE.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3280

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uJJKThDIVHPLhE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5C2A.tmp"
2⤵
- Creates scheduled task(s)
PID:4864

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1632

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
18KB

MD5
2401d03ace90ac0f59cc6ab02abdd50a

SHA1
888355b4cf3b82bb94f51e42f4016d3c1be19ed0

SHA256
5605a35972a726da563d603e6038f28ef24c6ad99fb630009d9a55a50bfdba53

SHA512
e05a700a46700226d7eef42b26b2636c350fb8a152b87a8db7bf394bd71bdf496fdecd5fdcad82fbb26c880ecaf1de03910f1c9c97438f5aadc1f84a6bc72a6a

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nk0h2kpz.fo1.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5C2A.tmp
Filesize
1KB

MD5
78ed409b97f49c80a67783de21d34c63

SHA1
419a9e147749b4d9e40e6f3cdb7209048f2c7900

SHA256
d5965319ce9bc6f305bd8d5edf315150135efb1ac3dd21a20acb12e5429887d1

SHA512
c79a1aa26b9aea0fc813356940de0770b1d4c790b731fcc9734d9618850f36c55f2353da427197fea26c03ca3e361f7130362617085f9b5f7e8fdde6f8524eed

Download Submit
memory/1632-99-0x00000000055F0000-0x0000000005600000-memory.dmp

Filesize
64KB

Download
memory/1632-47-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/1632-49-0x00000000055F0000-0x0000000005600000-memory.dmp

Filesize
64KB

Download
memory/1632-36-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1632-97-0x0000000006710000-0x0000000006760000-memory.dmp

Filesize
320KB

Download
memory/1632-98-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/3280-20-0x0000000004C00000-0x0000000004C10000-memory.dmp

Filesize
64KB

Download
memory/3280-84-0x00000000073A0000-0x00000000073B1000-memory.dmp

Filesize
68KB

Download
memory/3280-79-0x0000000004C00000-0x0000000004C10000-memory.dmp

Filesize
64KB

Download
memory/3280-17-0x0000000004C00000-0x0000000004C10000-memory.dmp

Filesize
64KB

Download
memory/3280-94-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/3280-19-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/3280-67-0x0000000071960000-0x00000000719AC000-memory.dmp

Filesize
304KB

Download
memory/3280-78-0x000000007FDA0000-0x000000007FDB0000-memory.dmp

Filesize
64KB

Download
memory/3280-24-0x0000000005140000-0x00000000051A6000-memory.dmp

Filesize
408KB

Download
memory/3280-22-0x0000000004DC0000-0x0000000004DE2000-memory.dmp

Filesize
136KB

Download
memory/3280-81-0x00000000077E0000-0x0000000007E5A000-memory.dmp

Filesize
6.5MB

Download
memory/3300-6-0x0000000005B30000-0x0000000005BCC000-memory.dmp

Filesize
624KB

Download
memory/3300-5-0x0000000005940000-0x000000000594A000-memory.dmp

Filesize
40KB

Download
memory/3300-4-0x0000000005A80000-0x0000000005A90000-memory.dmp

Filesize
64KB

Download
memory/3300-3-0x0000000005870000-0x0000000005902000-memory.dmp

Filesize
584KB

Download
memory/3300-48-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/3300-2-0x0000000005F10000-0x00000000064B4000-memory.dmp

Filesize
5.6MB

Download
memory/3300-0-0x0000000000DF0000-0x0000000000E9A000-memory.dmp

Filesize
680KB

Download
memory/3300-1-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/3300-9-0x0000000006E70000-0x0000000006EF4000-memory.dmp

Filesize
528KB

Download
memory/3300-7-0x0000000005B10000-0x0000000005B22000-memory.dmp

Filesize
72KB

Download
memory/3300-23-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/3300-8-0x0000000005CD0000-0x0000000005CDC000-memory.dmp

Filesize
48KB

Download
memory/5100-50-0x0000000006170000-0x000000000618E000-memory.dmp

Filesize
120KB

Download
memory/5100-65-0x0000000002A50000-0x0000000002A60000-memory.dmp

Filesize
64KB

Download
memory/5100-53-0x0000000007100000-0x0000000007132000-memory.dmp

Filesize
200KB

Download
memory/5100-66-0x0000000007170000-0x0000000007213000-memory.dmp

Filesize
652KB

Download
memory/5100-64-0x0000000007140000-0x000000000715E000-memory.dmp

Filesize
120KB

Download
memory/5100-54-0x0000000071960000-0x00000000719AC000-memory.dmp

Filesize
304KB

Download
memory/5100-68-0x0000000002A50000-0x0000000002A60000-memory.dmp

Filesize
64KB

Download
memory/5100-52-0x000000007F8F0000-0x000000007F900000-memory.dmp

Filesize
64KB

Download
memory/5100-80-0x00000000074B0000-0x00000000074CA000-memory.dmp

Filesize
104KB

Download
memory/5100-82-0x0000000007520000-0x000000000752A000-memory.dmp

Filesize
40KB

Download
memory/5100-83-0x0000000007730000-0x00000000077C6000-memory.dmp

Filesize
600KB

Download
memory/5100-51-0x0000000006220000-0x000000000626C000-memory.dmp

Filesize
304KB

Download
memory/5100-85-0x00000000076E0000-0x00000000076EE000-memory.dmp

Filesize
56KB

Download
memory/5100-86-0x00000000076F0000-0x0000000007704000-memory.dmp

Filesize
80KB

Download
memory/5100-87-0x00000000077F0000-0x000000000780A000-memory.dmp

Filesize
104KB

Download
memory/5100-88-0x00000000077D0000-0x00000000077D8000-memory.dmp

Filesize
32KB

Download
memory/5100-41-0x0000000005C80000-0x0000000005FD4000-memory.dmp

Filesize
3.3MB

Download
memory/5100-25-0x00000000051B0000-0x0000000005216000-memory.dmp

Filesize
408KB

Download
memory/5100-18-0x00000000053E0000-0x0000000005A08000-memory.dmp

Filesize
6.2MB

Download
memory/5100-95-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/5100-16-0x0000000002A50000-0x0000000002A60000-memory.dmp

Filesize
64KB

Download
memory/5100-15-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/5100-14-0x0000000002880000-0x00000000028B6000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads