agenttesla | 7f7bc308f1a31734af163c5b00fc0e1159d2ebdcebbe46b7c5113677f84fcea7

Analysis

max time kernel
91s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14-09-2024 03:00

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General

Target

tmp4y01tbju.exe
Size

828KB
MD5

9a60eaf7797d0888d2ee0361f21c0b81
SHA1

922f6c8f286b435d7fb09e399f1562ec43bb62df
SHA256

7f7bc308f1a31734af163c5b00fc0e1159d2ebdcebbe46b7c5113677f84fcea7
SHA512

57234a89cd56509df48c253ce1484596a5e80550f00f8d932e8577ad69ee7fda853f3d7106f755c2343684de877b07717d9c1a7a9b0d6448cfcbe173bb67d604
SSDEEP

12288:9xgX1QX7kIg7Htqmbif65YY2AKTLFarFdokODW15eP7r9r/+pppppppppppppppX:vUKkIgjZbfX2AKVarFdokSge1q

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.iaa-airferight.com
Port:
587
Username:
[email protected]
Password:
manlikeyou88
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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
3452	powershell.exe
4072	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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	tmp4y01tbju.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4764 set thread context of 692	4764	tmp4y01tbju.exe	100

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	tmp4y01tbju.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp4y01tbju.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
1120	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
4764	tmp4y01tbju.exe
3452	powershell.exe
4072	powershell.exe
4764	tmp4y01tbju.exe
4764	tmp4y01tbju.exe
4764	tmp4y01tbju.exe
4764	tmp4y01tbju.exe
692	tmp4y01tbju.exe
692	tmp4y01tbju.exe
3452	powershell.exe
4072	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4764	tmp4y01tbju.exe
Token: SeDebugPrivilege	4072	powershell.exe
Token: SeDebugPrivilege	3452	powershell.exe
Token: SeDebugPrivilege	692	tmp4y01tbju.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 4072	4764	tmp4y01tbju.exe	93
PID 4764 wrote to memory of 4072	4764	tmp4y01tbju.exe	93
PID 4764 wrote to memory of 4072	4764	tmp4y01tbju.exe	93
PID 4764 wrote to memory of 3452	4764	tmp4y01tbju.exe	95
PID 4764 wrote to memory of 3452	4764	tmp4y01tbju.exe	95
PID 4764 wrote to memory of 3452	4764	tmp4y01tbju.exe	95
PID 4764 wrote to memory of 1120	4764	tmp4y01tbju.exe	97
PID 4764 wrote to memory of 1120	4764	tmp4y01tbju.exe	97
PID 4764 wrote to memory of 1120	4764	tmp4y01tbju.exe	97
PID 4764 wrote to memory of 1872	4764	tmp4y01tbju.exe	99
PID 4764 wrote to memory of 1872	4764	tmp4y01tbju.exe	99
PID 4764 wrote to memory of 1872	4764	tmp4y01tbju.exe	99
PID 4764 wrote to memory of 692	4764	tmp4y01tbju.exe	100
PID 4764 wrote to memory of 692	4764	tmp4y01tbju.exe	100
PID 4764 wrote to memory of 692	4764	tmp4y01tbju.exe	100
PID 4764 wrote to memory of 692	4764	tmp4y01tbju.exe	100
PID 4764 wrote to memory of 692	4764	tmp4y01tbju.exe	100
PID 4764 wrote to memory of 692	4764	tmp4y01tbju.exe	100
PID 4764 wrote to memory of 692	4764	tmp4y01tbju.exe	100
PID 4764 wrote to memory of 692	4764	tmp4y01tbju.exe	100

C:\Users\Admin\AppData\Local\Temp\tmp4y01tbju.exe
"C:\Users\Admin\AppData\Local\Temp\tmp4y01tbju.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:4764
- 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\tmp4y01tbju.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4072
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nPKNUIybokG.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3452
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nPKNUIybokG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCCA6.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1120
- C:\Users\Admin\AppData\Local\Temp\tmp4y01tbju.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp4y01tbju.exe"
  2⤵
  PID:1872
- C:\Users\Admin\AppData\Local\Temp\tmp4y01tbju.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp4y01tbju.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:692

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

Credentials in Registry

T1552.002

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
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

Filesize
18KB

MD5
19141b6e4cf6e5b9e92e23954428a2a1

SHA1
d810d4bb006cdc361b571fa44cec2a8dc272ef49

SHA256
3261e58d305232452b0f2244e396697cdb42c3e02a4e97ab65a03456fc0078f0

SHA512
efe38bb173988267759cf0d8810c94a78d63334cc058443c729accfae847f486287e1ffb794036adc982e46fa9b570e5602e272addbae764b4e3cc92bbd223cd

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ndvnh0b3.2an.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCCA6.tmp

Filesize
1KB

MD5
3402ff90eeb9face53101733e0353034

SHA1
31e25e7be0ecbf4544536e775410822927d3c6ec

SHA256
68ba77e8158a68d39ce11c35974fdfbe1fc0e88b3979a102538d876b7212e603

SHA512
152d6cad2567c230b5ab16ec80323c68db2522e0bfdd24ca706411581849fe5ee74023e691c23a25d64d014e650d874aa6795352cb6c81c8f16d9c6778c66af2

Download Submit
memory/692-78-0x00000000061F0000-0x0000000006240000-memory.dmp

Filesize
320KB

Download
memory/692-35-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3452-74-0x0000000007020000-0x000000000703A000-memory.dmp

Filesize
104KB

Download
memory/3452-25-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/3452-88-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/3452-80-0x0000000007260000-0x0000000007274000-memory.dmp

Filesize
80KB

Download
memory/3452-76-0x00000000072A0000-0x0000000007336000-memory.dmp

Filesize
600KB

Download
memory/3452-75-0x0000000007090000-0x000000000709A000-memory.dmp

Filesize
40KB

Download
memory/3452-73-0x0000000007670000-0x0000000007CEA000-memory.dmp

Filesize
6.5MB

Download
memory/3452-53-0x000000006F200000-0x000000006F24C000-memory.dmp

Filesize
304KB

Download
memory/3452-49-0x0000000005D10000-0x0000000005D5C000-memory.dmp

Filesize
304KB

Download
memory/3452-48-0x0000000005CE0000-0x0000000005CFE000-memory.dmp

Filesize
120KB

Download
memory/3452-20-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/4072-77-0x0000000007680000-0x0000000007691000-memory.dmp

Filesize
68KB

Download
memory/4072-79-0x00000000076B0000-0x00000000076BE000-memory.dmp

Filesize
56KB

Download
memory/4072-89-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/4072-24-0x0000000005AE0000-0x0000000005B46000-memory.dmp

Filesize
408KB

Download
memory/4072-23-0x0000000005A70000-0x0000000005AD6000-memory.dmp

Filesize
408KB

Download
memory/4072-82-0x00000000077A0000-0x00000000077A8000-memory.dmp

Filesize
32KB

Download
memory/4072-81-0x00000000077C0000-0x00000000077DA000-memory.dmp

Filesize
104KB

Download
memory/4072-36-0x0000000005B50000-0x0000000005EA4000-memory.dmp

Filesize
3.3MB

Download
memory/4072-22-0x00000000059D0000-0x00000000059F2000-memory.dmp

Filesize
136KB

Download
memory/4072-19-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/4072-17-0x00000000052F0000-0x0000000005918000-memory.dmp

Filesize
6.2MB

Download
memory/4072-18-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/4072-71-0x0000000007120000-0x000000000713E000-memory.dmp

Filesize
120KB

Download
memory/4072-51-0x000000006F200000-0x000000006F24C000-memory.dmp

Filesize
304KB

Download
memory/4072-50-0x00000000070E0000-0x0000000007112000-memory.dmp

Filesize
200KB

Download
memory/4072-72-0x0000000007150000-0x00000000071F3000-memory.dmp

Filesize
652KB

Download
memory/4072-15-0x0000000002830000-0x0000000002866000-memory.dmp

Filesize
216KB

Download
memory/4072-16-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/4764-0-0x00000000743DE000-0x00000000743DF000-memory.dmp

Filesize
4KB

Download
memory/4764-10-0x0000000008F30000-0x0000000008FCC000-memory.dmp

Filesize
624KB

Download
memory/4764-7-0x00000000743DE000-0x00000000743DF000-memory.dmp

Filesize
4KB

Download
memory/4764-3-0x0000000004F90000-0x0000000005022000-memory.dmp

Filesize
584KB

Download
memory/4764-47-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/4764-9-0x00000000064B0000-0x0000000006532000-memory.dmp

Filesize
520KB

Download
memory/4764-4-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/4764-5-0x0000000004F60000-0x0000000004F6A000-memory.dmp

Filesize
40KB

Download
memory/4764-2-0x0000000005540000-0x0000000005AE4000-memory.dmp

Filesize
5.6MB

Download
memory/4764-1-0x0000000000490000-0x0000000000564000-memory.dmp

Filesize
848KB

Download
memory/4764-8-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/4764-6-0x00000000053B0000-0x00000000053C0000-memory.dmp

Filesize
64KB

Download