agenttesla | b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2024, 08:04

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General

Target

scan_file34975UU.scr.exe
Size

748KB
MD5

9c41200534d2961710d7686f23fd8853
SHA1

e427669e7752d41b7a833c796bb4028f7260f04d
SHA256

b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215
SHA512

32bb1f6f63734451652f65cff8d0acf9b61a8037c27570d73fb4a1b022d3fe046f9b71135741357dfcfc9733656cff5ed8d02c55b949accce718a7dd17fcd8fc
SSDEEP

12288:5697qm4w3LOFEQ+0/Vl4L29bhHxe4io6l7EOfhiaaE5qIGkR:Y2mJ3RKjFVwl4+nqId

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
ftp.fosna.net
Port:
21
Username:
[email protected]
Password:
(=8fPSH$KO_!

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.fosna.net
Port:
21
Username:
[email protected]
Password:
(=8fPSH$KO_!

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2276	powershell.exe
1924	powershell.exe

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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	scan_file34975UU.scr.exe

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 3 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

Credentials from Web Browsers
T1555.003

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
39	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3668 set thread context of 3152	3668	scan_file34975UU.scr.exe	98

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	scan_file34975UU.scr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	scan_file34975UU.scr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4480	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3668	scan_file34975UU.scr.exe
3668	scan_file34975UU.scr.exe
2276	powershell.exe
1924	powershell.exe
3152	scan_file34975UU.scr.exe
3152	scan_file34975UU.scr.exe
1924	powershell.exe
2276	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1924	powershell.exe
Token: SeDebugPrivilege	2276	powershell.exe
Token: SeDebugPrivilege	3668	scan_file34975UU.scr.exe
Token: SeDebugPrivilege	3152	scan_file34975UU.scr.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3668 wrote to memory of 2276	3668	scan_file34975UU.scr.exe	91
PID 3668 wrote to memory of 2276	3668	scan_file34975UU.scr.exe	91
PID 3668 wrote to memory of 2276	3668	scan_file34975UU.scr.exe	91
PID 3668 wrote to memory of 1924	3668	scan_file34975UU.scr.exe	93
PID 3668 wrote to memory of 1924	3668	scan_file34975UU.scr.exe	93
PID 3668 wrote to memory of 1924	3668	scan_file34975UU.scr.exe	93
PID 3668 wrote to memory of 4480	3668	scan_file34975UU.scr.exe	95
PID 3668 wrote to memory of 4480	3668	scan_file34975UU.scr.exe	95
PID 3668 wrote to memory of 4480	3668	scan_file34975UU.scr.exe	95
PID 3668 wrote to memory of 3476	3668	scan_file34975UU.scr.exe	97
PID 3668 wrote to memory of 3476	3668	scan_file34975UU.scr.exe	97
PID 3668 wrote to memory of 3476	3668	scan_file34975UU.scr.exe	97
PID 3668 wrote to memory of 3152	3668	scan_file34975UU.scr.exe	98
PID 3668 wrote to memory of 3152	3668	scan_file34975UU.scr.exe	98
PID 3668 wrote to memory of 3152	3668	scan_file34975UU.scr.exe	98
PID 3668 wrote to memory of 3152	3668	scan_file34975UU.scr.exe	98
PID 3668 wrote to memory of 3152	3668	scan_file34975UU.scr.exe	98
PID 3668 wrote to memory of 3152	3668	scan_file34975UU.scr.exe	98
PID 3668 wrote to memory of 3152	3668	scan_file34975UU.scr.exe	98
PID 3668 wrote to memory of 3152	3668	scan_file34975UU.scr.exe	98

C:\Users\Admin\AppData\Local\Temp\scan_file34975UU.scr.exe
"C:\Users\Admin\AppData\Local\Temp\scan_file34975UU.scr.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3668
- 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\scan_file34975UU.scr.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2276
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JhrcdGxufUIh.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1924
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JhrcdGxufUIh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4541.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4480
- C:\Users\Admin\AppData\Local\Temp\scan_file34975UU.scr.exe
  "C:\Users\Admin\AppData\Local\Temp\scan_file34975UU.scr.exe"
  2⤵
  PID:3476
- C:\Users\Admin\AppData\Local\Temp\scan_file34975UU.scr.exe
  "C:\Users\Admin\AppData\Local\Temp\scan_file34975UU.scr.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\scan_file34975UU.scr.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

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

Filesize
18KB

MD5
bc1eff6e464c42148f94ff57ca97ea1b

SHA1
fa783eb8f634536376031263f0402b7c728f07c4

SHA256
746181f8c49ebcffa73a26c71cb41187d16304725d4279d345216ad63d6f5f50

SHA512
42cb66e72a5965b3f6ab90313ab302e177a78e279ab35943d75bec87d11d9f41304f1716b3d873e44b8fab6d6775151396f39e9c7ece8e0ef10392403a9b2a09

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2bzr4luw.nir.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4541.tmp

Filesize
1KB

MD5
f5a199d824be0ee9f0f3892d0a1842b1

SHA1
7a454c0f0c0c2f9b45303cac1b4b7902a8a0aa0f

SHA256
a6f34033b63ca8951784724288b5626a1aed2d70e5a550fa67a5af336b6aee43

SHA512
e64e61cb0e24005d51780b6b84ff2109c19962ea9ace8c233295529d2fc89d12eec2aebb27799c5632b47c6e76c6f9ca3731deaea1a3d62f51f1a9bff501e69e

Download Submit
memory/1924-74-0x0000000007B00000-0x000000000817A000-memory.dmp

Filesize
6.5MB

Download
memory/1924-51-0x0000000007120000-0x0000000007152000-memory.dmp

Filesize
200KB

Download
memory/1924-78-0x00000000076C0000-0x00000000076D1000-memory.dmp

Filesize
68KB

Download
memory/1924-76-0x0000000007530000-0x000000000753A000-memory.dmp

Filesize
40KB

Download
memory/1924-75-0x00000000074C0000-0x00000000074DA000-memory.dmp

Filesize
104KB

Download
memory/1924-81-0x0000000007800000-0x000000000781A000-memory.dmp

Filesize
104KB

Download
memory/1924-72-0x0000000007360000-0x000000000737E000-memory.dmp

Filesize
120KB

Download
memory/1924-79-0x00000000076F0000-0x00000000076FE000-memory.dmp

Filesize
56KB

Download
memory/1924-52-0x0000000071810000-0x000000007185C000-memory.dmp

Filesize
304KB

Download
memory/1924-50-0x00000000061A0000-0x00000000061EC000-memory.dmp

Filesize
304KB

Download
memory/1924-19-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/1924-82-0x00000000077E0000-0x00000000077E8000-memory.dmp

Filesize
32KB

Download
memory/1924-49-0x0000000006170000-0x000000000618E000-memory.dmp

Filesize
120KB

Download
memory/1924-85-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/1924-28-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/2276-16-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/2276-73-0x00000000075A0000-0x0000000007643000-memory.dmp

Filesize
652KB

Download
memory/2276-89-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/2276-25-0x0000000005950000-0x00000000059B6000-memory.dmp

Filesize
408KB

Download
memory/2276-24-0x00000000057B0000-0x0000000005816000-memory.dmp

Filesize
408KB

Download
memory/2276-23-0x0000000005510000-0x0000000005532000-memory.dmp

Filesize
136KB

Download
memory/2276-80-0x0000000007B30000-0x0000000007B44000-memory.dmp

Filesize
80KB

Download
memory/2276-21-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/2276-18-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/2276-17-0x00000000059D0000-0x0000000005FF8000-memory.dmp

Filesize
6.2MB

Download
memory/2276-77-0x0000000007B70000-0x0000000007C06000-memory.dmp

Filesize
600KB

Download
memory/2276-62-0x0000000071810000-0x000000007185C000-memory.dmp

Filesize
304KB

Download
memory/2276-15-0x0000000002C90000-0x0000000002CC6000-memory.dmp

Filesize
216KB

Download
memory/2276-29-0x0000000006000000-0x0000000006354000-memory.dmp

Filesize
3.3MB

Download
memory/3152-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3152-90-0x0000000006E60000-0x0000000006EB0000-memory.dmp

Filesize
320KB

Download
memory/3668-0-0x000000007514E000-0x000000007514F000-memory.dmp

Filesize
4KB

Download
memory/3668-10-0x000000000D280000-0x000000000D31C000-memory.dmp

Filesize
624KB

Download
memory/3668-7-0x000000007514E000-0x000000007514F000-memory.dmp

Filesize
4KB

Download
memory/3668-6-0x0000000007810000-0x000000000782E000-memory.dmp

Filesize
120KB

Download
memory/3668-8-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/3668-5-0x0000000004FC0000-0x0000000004FCA000-memory.dmp

Filesize
40KB

Download
memory/3668-4-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/3668-3-0x0000000004F00000-0x0000000004F92000-memory.dmp

Filesize
584KB

Download
memory/3668-2-0x0000000005590000-0x0000000005B34000-memory.dmp

Filesize
5.6MB

Download
memory/3668-30-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/3668-1-0x00000000004B0000-0x000000000056C000-memory.dmp

Filesize
752KB

Download
memory/3668-9-0x00000000048F0000-0x0000000004974000-memory.dmp

Filesize
528KB

Download