agenttesla | 105c79d054029dcf3d38c5ba526dc7c111cc2e2e6fb2555a88c0820a6ba9eb52

Analysis

max time kernel
122s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
03/04/2024, 11:20

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General

Target
yWQK3JWrMiYdSNG.exe
Size 632KB
Sample240403-nfec3sce2y
SHA256 105c79d054029dcf3d38c5ba526dc7c111cc2e2e6fb2555a88c0820a6ba9eb52
MD5 6ceddbf6cce1a61048b8c9f2f42108c5
SHA1 a9aadd0abed5397ae62f6095e5b05f5d5eb9055f
SHA512 e9f733cad22fbb711ea029039aefe799c6172e81b275f93c8699d912e289e47ee93b1282f005e941780284ad74359d85aa20d583754eb39c11581ab8c090e1b7
SSDEEP 12288:lZcsd8531D0sDjNvu56pw/XVyBcYZkYeUZJouWPZzQvX/Lgf2LWl:ltK1D0+NW5MeVyB8LGJouq6//Ef2al
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol
smtp
Host
mail.funworld.co.id
Port
587
Username
[email protected]
Password
fwp123mail

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.funworld.co.id
Port
587
Username
[email protected]
Password
fwp123mail
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-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation	yWQK3JWrMiYdSNG.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 3840 set thread context of 2120	3840	yWQK3JWrMiYdSNG.exe	107

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
4584	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3840	yWQK3JWrMiYdSNG.exe
3840	yWQK3JWrMiYdSNG.exe
2120	yWQK3JWrMiYdSNG.exe
2120	yWQK3JWrMiYdSNG.exe
2120	yWQK3JWrMiYdSNG.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3840	yWQK3JWrMiYdSNG.exe
Token: SeDebugPrivilege	2120	yWQK3JWrMiYdSNG.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2120	yWQK3JWrMiYdSNG.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3840 wrote to memory of 3444	3840	yWQK3JWrMiYdSNG.exe	102
PID 3840 wrote to memory of 3444	3840	yWQK3JWrMiYdSNG.exe	102
PID 3840 wrote to memory of 3444	3840	yWQK3JWrMiYdSNG.exe	102
PID 3840 wrote to memory of 4584	3840	yWQK3JWrMiYdSNG.exe	104
PID 3840 wrote to memory of 4584	3840	yWQK3JWrMiYdSNG.exe	104
PID 3840 wrote to memory of 4584	3840	yWQK3JWrMiYdSNG.exe	104
PID 3840 wrote to memory of 1032	3840	yWQK3JWrMiYdSNG.exe	106
PID 3840 wrote to memory of 1032	3840	yWQK3JWrMiYdSNG.exe	106
PID 3840 wrote to memory of 1032	3840	yWQK3JWrMiYdSNG.exe	106
PID 3840 wrote to memory of 2120	3840	yWQK3JWrMiYdSNG.exe	107
PID 3840 wrote to memory of 2120	3840	yWQK3JWrMiYdSNG.exe	107
PID 3840 wrote to memory of 2120	3840	yWQK3JWrMiYdSNG.exe	107
PID 3840 wrote to memory of 2120	3840	yWQK3JWrMiYdSNG.exe	107
PID 3840 wrote to memory of 2120	3840	yWQK3JWrMiYdSNG.exe	107
PID 3840 wrote to memory of 2120	3840	yWQK3JWrMiYdSNG.exe	107
PID 3840 wrote to memory of 2120	3840	yWQK3JWrMiYdSNG.exe	107
PID 3840 wrote to memory of 2120	3840	yWQK3JWrMiYdSNG.exe	107

C:\Users\Admin\AppData\Local\Temp\yWQK3JWrMiYdSNG.exe
"C:\Users\Admin\AppData\Local\Temp\yWQK3JWrMiYdSNG.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3840
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SVxgdVWqIPqwco.exe"
  2⤵
  PID:3444
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SVxgdVWqIPqwco" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9E43.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4584
- C:\Users\Admin\AppData\Local\Temp\yWQK3JWrMiYdSNG.exe
  "C:\Users\Admin\AppData\Local\Temp\yWQK3JWrMiYdSNG.exe"
  2⤵
  PID:1032
- C:\Users\Admin\AppData\Local\Temp\yWQK3JWrMiYdSNG.exe
  "C:\Users\Admin\AppData\Local\Temp\yWQK3JWrMiYdSNG.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2120

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3904 --field-trial-handle=2260,i,9938964625802268469,1928462186077019554,262144 --variations-seed-version /prefetch:8
1⤵
PID:3824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

tmp9E43.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp9E43.tmp
Size 1KB
SHA256 34da89ae97c2980181dbc7d0af7b374455771075fa66a11b09f24b38ba552a0a
MD5 c2c28e6005a9069f2b024f6b690b0e9f
SHA1 f8578a3b2bfc358bfcbc1bcc9661dde2739674b4
SHA512 a88472a657224dc04eeca2aca8750c5dca357b625bf9fa63879d8d6cdc4d5c44693155e67eb709b2f60fa25e0b9e28cc60b0a4c5091293877ca051326b0238ee
MD5 SHA1 SHA512

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memory/2120-26-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

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memory/2120-25-0x0000000074EB0000-0x0000000075660000-memory.dmp

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memory/2120-22-0x0000000005FD0000-0x0000000006020000-memory.dmp

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memory/2120-21-0x00000000051A0000-0x0000000005206000-memory.dmp

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memory/2120-20-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

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memory/2120-18-0x0000000074EB0000-0x0000000075660000-memory.dmp

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memory/2120-16-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/3840-5-0x0000000004E40000-0x0000000004E4A000-memory.dmp

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memory/3840-9-0x0000000006160000-0x00000000061E2000-memory.dmp

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memory/3840-10-0x0000000008810000-0x00000000088AC000-memory.dmp

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memory/3840-8-0x00000000060F0000-0x00000000060FC000-memory.dmp

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memory/3840-7-0x00000000060E0000-0x00000000060EA000-memory.dmp

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memory/3840-19-0x0000000074EB0000-0x0000000075660000-memory.dmp

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memory/3840-6-0x00000000050A0000-0x00000000050B4000-memory.dmp

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memory/3840-1-0x0000000074EB0000-0x0000000075660000-memory.dmp

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memory/3840-4-0x00000000050B0000-0x00000000050C0000-memory.dmp

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memory/3840-3-0x0000000004E90000-0x0000000004F22000-memory.dmp

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memory/3840-2-0x00000000053A0000-0x0000000005944000-memory.dmp

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memory/3840-0-0x0000000000390000-0x0000000000434000-memory.dmp

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