agenttesla | 5fa5a6b45df59e9fc4e65b5b56371e7c920716c2b2373233c3af9f2676797d36

Analysis

max time kernel
138s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
17/11/2023, 16:45

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General

Target

S25C pdf.exe
Size

830KB
MD5

fe9248da6b2c906f903252d6e4063286
SHA1

956e2ab03cb1f862f642a2f6f2e859b1a40edb1d
SHA256

5fa5a6b45df59e9fc4e65b5b56371e7c920716c2b2373233c3af9f2676797d36
SHA512

4b3b6a166e9ba5b5eb0ad8e5524ebec7e1b306ed76e822eddf59d697361aff52d724e25c9778af88aea2fc8e800671b6c800511e598cb8d3091ecbd9ec83c4c4
SSDEEP

12288:lbWoBa/mFiTEJ0+0OR8FCko17apYxr5zXe2QtKC47b1ec5sKXL/0QT+BRTYaW:lqS7apYhNO2Qtth6oysSb

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.premiermotor.com.bn
Port:
587
Username:
[email protected]
Password:
e3Q9hj?1

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.premiermotor.com.bn
Port:
587
Username:
[email protected]
Password:
e3Q9hj?1
Email To:
[email protected]

Signatures

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

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Control Panel\International\Geo\Nation	S25C pdf.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HqAJrII = "C:\\Users\\Admin\\AppData\\Roaming\\HqAJrII\\HqAJrII.exe"	S25C pdf.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.

flow	ioc
30	api.ipify.org
31	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3096 set thread context of 4916	3096	S25C pdf.exe	100

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

pid	Process
888	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3096	S25C pdf.exe
3096	S25C pdf.exe
1476	powershell.exe
3096	S25C pdf.exe
4828	powershell.exe
3096	S25C pdf.exe
4916	S25C pdf.exe
4916	S25C pdf.exe
1476	powershell.exe
4828	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3096	S25C pdf.exe
Token: SeDebugPrivilege	1476	powershell.exe
Token: SeDebugPrivilege	4828	powershell.exe
Token: SeDebugPrivilege	4916	S25C pdf.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3096 wrote to memory of 1476	3096	S25C pdf.exe	94
PID 3096 wrote to memory of 1476	3096	S25C pdf.exe	94
PID 3096 wrote to memory of 1476	3096	S25C pdf.exe	94
PID 3096 wrote to memory of 4828	3096	S25C pdf.exe	96
PID 3096 wrote to memory of 4828	3096	S25C pdf.exe	96
PID 3096 wrote to memory of 4828	3096	S25C pdf.exe	96
PID 3096 wrote to memory of 888	3096	S25C pdf.exe	98
PID 3096 wrote to memory of 888	3096	S25C pdf.exe	98
PID 3096 wrote to memory of 888	3096	S25C pdf.exe	98
PID 3096 wrote to memory of 4916	3096	S25C pdf.exe	100
PID 3096 wrote to memory of 4916	3096	S25C pdf.exe	100
PID 3096 wrote to memory of 4916	3096	S25C pdf.exe	100
PID 3096 wrote to memory of 4916	3096	S25C pdf.exe	100
PID 3096 wrote to memory of 4916	3096	S25C pdf.exe	100
PID 3096 wrote to memory of 4916	3096	S25C pdf.exe	100
PID 3096 wrote to memory of 4916	3096	S25C pdf.exe	100
PID 3096 wrote to memory of 4916	3096	S25C pdf.exe	100

C:\Users\Admin\AppData\Local\Temp\S25C pdf.exe
"C:\Users\Admin\AppData\Local\Temp\S25C pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3096
- 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\S25C pdf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1476
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AaPGfgAaiqEc.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4828
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AaPGfgAaiqEc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3B3F.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:888
- C:\Users\Admin\AppData\Local\Temp\S25C pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\S25C pdf.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

Filesize
18KB

MD5
e3cadb057f398e7823d07d15ac7e3a4f

SHA1
bc91e433d8d2ce0a235109306a388cecdb0aef7d

SHA256
846191355a5f2ce06fd541803d6595e4f9a324ac84cede73d37cdc3766b843e1

SHA512
32f5035ae2848bd0a2da7948f96108f8e4019add2597b744619067cb1fee9ca466ae717dd5d757ccb1a967d73505321798e061e1129c0afca1c65264161e3683

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ecv1t00g.ei5.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3B3F.tmp

Filesize
1KB

MD5
91cb605d2c6b7adb3b065900dfe94eba

SHA1
5da6f9541b08b71cd85ce649cb2a8348ca7ff46c

SHA256
7de48be726542caaca0c2c7187cf8f1e3fede523cb0f7cd42cc752cd35ec51ce

SHA512
d80a651d1f0f1e90b6f5bd868a8c1948b9182a81f62b26f9d811aee42d1e2e05706d1a31cac4b11e39c7b3c6b8a4aee6857579d96a1d1c144dba0966c7349c78

Download Submit
memory/1476-41-0x0000000006160000-0x00000000064B4000-memory.dmp

Filesize
3.3MB

Download
memory/1476-32-0x0000000005ED0000-0x0000000005F36000-memory.dmp

Filesize
408KB

Download
memory/1476-96-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/1476-87-0x0000000007A50000-0x0000000007A64000-memory.dmp

Filesize
80KB

Download
memory/1476-86-0x0000000007A40000-0x0000000007A4E000-memory.dmp

Filesize
56KB

Download
memory/1476-85-0x0000000007A10000-0x0000000007A21000-memory.dmp

Filesize
68KB

Download
memory/1476-14-0x0000000002BC0000-0x0000000002BF6000-memory.dmp

Filesize
216KB

Download
memory/1476-83-0x0000000007AB0000-0x0000000007B46000-memory.dmp

Filesize
600KB

Download
memory/1476-16-0x0000000005670000-0x0000000005C98000-memory.dmp

Filesize
6.2MB

Download
memory/1476-17-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/1476-18-0x0000000005030000-0x0000000005040000-memory.dmp

Filesize
64KB

Download
memory/1476-82-0x0000000007670000-0x000000000767A000-memory.dmp

Filesize
40KB

Download
memory/1476-81-0x0000000007600000-0x000000000761A000-memory.dmp

Filesize
104KB

Download
memory/1476-21-0x0000000005030000-0x0000000005040000-memory.dmp

Filesize
64KB

Download
memory/1476-69-0x0000000074E70000-0x0000000074EBC000-memory.dmp

Filesize
304KB

Download
memory/1476-54-0x0000000005030000-0x0000000005040000-memory.dmp

Filesize
64KB

Download
memory/1476-25-0x0000000005D50000-0x0000000005D72000-memory.dmp

Filesize
136KB

Download
memory/1476-89-0x0000000007A90000-0x0000000007A98000-memory.dmp

Filesize
32KB

Download
memory/1476-31-0x0000000005DF0000-0x0000000005E56000-memory.dmp

Filesize
408KB

Download
memory/3096-22-0x0000000005310000-0x0000000005320000-memory.dmp

Filesize
64KB

Download
memory/3096-40-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3096-3-0x0000000005170000-0x0000000005202000-memory.dmp

Filesize
584KB

Download
memory/3096-6-0x00000000055A0000-0x000000000563C000-memory.dmp

Filesize
624KB

Download
memory/3096-0-0x00000000006C0000-0x0000000000796000-memory.dmp

Filesize
856KB

Download
memory/3096-5-0x0000000005240000-0x000000000524A000-memory.dmp

Filesize
40KB

Download
memory/3096-1-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3096-2-0x00000000057D0000-0x0000000005D74000-memory.dmp

Filesize
5.6MB

Download
memory/3096-7-0x0000000005440000-0x0000000005456000-memory.dmp

Filesize
88KB

Download
memory/3096-8-0x00000000054D0000-0x00000000054DA000-memory.dmp

Filesize
40KB

Download
memory/3096-9-0x0000000005700000-0x000000000577C000-memory.dmp

Filesize
496KB

Download
memory/3096-15-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3096-4-0x0000000005310000-0x0000000005320000-memory.dmp

Filesize
64KB

Download
memory/4828-53-0x0000000002170000-0x0000000002180000-memory.dmp

Filesize
64KB

Download
memory/4828-23-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/4828-79-0x0000000006DE0000-0x0000000006E83000-memory.dmp

Filesize
652KB

Download
memory/4828-52-0x0000000005F20000-0x0000000005F6C000-memory.dmp

Filesize
304KB

Download
memory/4828-68-0x0000000006190000-0x00000000061AE000-memory.dmp

Filesize
120KB

Download
memory/4828-58-0x0000000074E70000-0x0000000074EBC000-memory.dmp

Filesize
304KB

Download
memory/4828-57-0x0000000006BA0000-0x0000000006BD2000-memory.dmp

Filesize
200KB

Download
memory/4828-95-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/4828-56-0x000000007F8D0000-0x000000007F8E0000-memory.dmp

Filesize
64KB

Download
memory/4828-19-0x0000000002170000-0x0000000002180000-memory.dmp

Filesize
64KB

Download
memory/4828-80-0x0000000007520000-0x0000000007B9A000-memory.dmp

Filesize
6.5MB

Download
memory/4828-88-0x0000000007220000-0x000000000723A000-memory.dmp

Filesize
104KB

Download
memory/4828-51-0x0000000005BE0000-0x0000000005BFE000-memory.dmp

Filesize
120KB

Download
memory/4916-38-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/4916-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4916-39-0x00000000053E0000-0x00000000053F0000-memory.dmp

Filesize
64KB

Download
memory/4916-84-0x0000000006BB0000-0x0000000006C00000-memory.dmp

Filesize
320KB

Download
memory/4916-97-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/4916-98-0x00000000053E0000-0x00000000053F0000-memory.dmp

Filesize
64KB

Download