agenttesla | 031527224e74b82bf16e639c666134674ecc8a6e648fed2f68255617bd6a3b18

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 12:40

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General

Target

87597.exe
Size

704KB
MD5

7e19235ca4a6192bdace52baa0a40d26
SHA1

1ac8aa96052b0da4f7d1072ca8fee01ade2e9f71
SHA256

ed762437d06ffae4d27baec39379997d8acf7ae6e6e758611793f3fb2fafcee1
SHA512

a67be81bf2487babe021184427d47004791fca072b93ea61efa40d81680132ffcbd96cd78a00a8f316be50d5308ce1d5f2b29dc19be32e91a74a65a63c7705a0
SSDEEP

12288:l3MyvUIZbVWX7Q6cgNMuAx206pm2MGydGcHazvuHw3ItoaI43JYLh2ADli:5TvDBW3cEaeMGpcHazv0tV/OLh2ADl

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.badonfashoin.com/
Port:
21
Username:
[email protected]
Password:
kKsIA9XNV2zG

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral5/memory/628-25-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral5/memory/628-27-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral5/memory/628-23-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral5/memory/628-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral5/memory/628-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\hZpzJs = "C:\\Users\\Admin\\AppData\\Roaming\\hZpzJs\\hZpzJs.exe"	87597.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3012 set thread context of 628	3012	87597.exe	32

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 3 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	87597.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	87597.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
2884	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
628	87597.exe
628	87597.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
628	87597.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	628	87597.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2884	3012	87597.exe	30
PID 3012 wrote to memory of 2884	3012	87597.exe	30
PID 3012 wrote to memory of 2884	3012	87597.exe	30
PID 3012 wrote to memory of 2884	3012	87597.exe	30
PID 3012 wrote to memory of 628	3012	87597.exe	32
PID 3012 wrote to memory of 628	3012	87597.exe	32
PID 3012 wrote to memory of 628	3012	87597.exe	32
PID 3012 wrote to memory of 628	3012	87597.exe	32
PID 3012 wrote to memory of 628	3012	87597.exe	32
PID 3012 wrote to memory of 628	3012	87597.exe	32
PID 3012 wrote to memory of 628	3012	87597.exe	32
PID 3012 wrote to memory of 628	3012	87597.exe	32
PID 3012 wrote to memory of 628	3012	87597.exe	32

C:\Users\Admin\AppData\Local\Temp\87597.exe
"C:\Users\Admin\AppData\Local\Temp\87597.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\emoGDf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp909C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2884
- C:\Users\Admin\AppData\Local\Temp\87597.exe
  "C:\Users\Admin\AppData\Local\Temp\87597.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  PID:628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp909C.tmp

Filesize
1KB

MD5
a4782f7f262b190bbe178fad1262607f

SHA1
d441c86e039c044f40859e17c499c547f1b77c9d

SHA256
ed70b514add70703af82789b3f9f6a734a301a081016d5a3a04fe3d303c34ddb

SHA512
3a1b46dcb4f6ebb2a2ed60da2ef6b51405885b0fd61b4e6c6808a10cc1b11e843aa17c77987daa75a3d04db99d5e6400ff3c39dea704912b14bb538e0357d6e0

Download Submit
memory/628-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/628-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/628-27-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/628-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/628-28-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/628-32-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/628-31-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/628-30-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/628-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/628-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/628-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/628-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3012-7-0x0000000000E00000-0x0000000000E40000-memory.dmp

Filesize
256KB

Download
memory/3012-4-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/3012-0-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/3012-5-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/3012-3-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3012-29-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/3012-1-0x00000000012A0000-0x0000000001356000-memory.dmp

Filesize
728KB

Download
memory/3012-2-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/3012-6-0x0000000005290000-0x0000000005318000-memory.dmp

Filesize
544KB

Download