agenttesla | 61d0e48c4a6cb2014fb60d704112ab3ac0a30070da3310b3fe9c855fab263e57

Analysis

max time kernel
117s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 10:10

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General

Target

Ref_50102_607.exe
Size

441KB
MD5

2a2123de78460f30659e3a91a77da5ed
SHA1

a9276acac1f5c84caaab8ad575abbeb1326cd749
SHA256

5fd54af1b3df166c8048e472b3c52fdf3388f8a0c2290789db9b84390a756656
SHA512

8dbe0cd64f15f8f68018b76117e03053a39d389cb5081c8aba3659f7329926845d100a0a052ff5a14afdf908f7c9b658fadfef3af6b29802aeb76c252f92d0e9
SSDEEP

1536:ZxsakJrlSEtWbmCCCCCpCCCCCTdvCCCCCCCCCCC3CCCCCCCCfFIeCCCCCCCCCCCw:ZxRkHmbCdsP6GBxhDCov7U/s

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
162.254.34.31
Port:
587
Username:
[email protected]
Password:
ABwuRZS5Mjh5
Email To:
[email protected]

Signatures

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

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 3996 created 3400	3996	Ref_50102_607.exe	55

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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bohw = "C:\\Users\\Admin\\AppData\\Roaming\\Bohw.exe"	Ref_50102_607.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
24	api.ipify.org
23	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3996 set thread context of 2724	3996	Ref_50102_607.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 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	Ref_50102_607.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3996	Ref_50102_607.exe
2724	InstallUtil.exe
2724	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3996	Ref_50102_607.exe
Token: SeDebugPrivilege	3996	Ref_50102_607.exe
Token: SeDebugPrivilege	2724	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3996 wrote to memory of 2724	3996	Ref_50102_607.exe	82
PID 3996 wrote to memory of 2724	3996	Ref_50102_607.exe	82
PID 3996 wrote to memory of 2724	3996	Ref_50102_607.exe	82
PID 3996 wrote to memory of 2724	3996	Ref_50102_607.exe	82
PID 3996 wrote to memory of 2724	3996	Ref_50102_607.exe	82
PID 3996 wrote to memory of 2724	3996	Ref_50102_607.exe	82
PID 3996 wrote to memory of 2724	3996	Ref_50102_607.exe	82
PID 3996 wrote to memory of 2724	3996	Ref_50102_607.exe	82

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3400
- C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.exe
  "C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3996
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2724-1093-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/2724-1094-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2724-1096-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/2724-1095-0x00000000059D0000-0x0000000005A36000-memory.dmp

Filesize
408KB

Download
memory/2724-1097-0x0000000006E00000-0x0000000006E50000-memory.dmp

Filesize
320KB

Download
memory/2724-1100-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/2724-1099-0x0000000006E70000-0x0000000006E7A000-memory.dmp

Filesize
40KB

Download
memory/2724-1098-0x0000000006EF0000-0x0000000006F82000-memory.dmp

Filesize
584KB

Download
memory/3996-35-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-19-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-33-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-67-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-65-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-61-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-59-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-57-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-55-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-53-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-51-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-49-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-47-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-45-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-43-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-41-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-40-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-37-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-3-0x0000000005880000-0x0000000005970000-memory.dmp

Filesize
960KB

Download
memory/3996-31-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-27-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-25-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-23-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-29-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-15-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-13-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-11-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-9-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-7-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-5-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-63-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-21-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-17-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-4-0x0000000005880000-0x000000000596A000-memory.dmp

Filesize
936KB

Download
memory/3996-1078-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3996-1079-0x0000000005AA0000-0x0000000005B0A000-memory.dmp

Filesize
424KB

Download
memory/3996-1080-0x0000000005B10000-0x0000000005B5C000-memory.dmp

Filesize
304KB

Download
memory/3996-1084-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3996-1085-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3996-2-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3996-1-0x00000000004D0000-0x0000000000542000-memory.dmp

Filesize
456KB

Download
memory/3996-0-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/3996-1086-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3996-1087-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/3996-1088-0x0000000006460000-0x0000000006A04000-memory.dmp

Filesize
5.6MB

Download
memory/3996-1089-0x0000000005C30000-0x0000000005C84000-memory.dmp

Filesize
336KB

Download
memory/3996-1092-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download