agenttesla | d00755892b27ea561c12ebf3cf369c405177152a586e75614cffa92ce0eca10b

General

Target

82105269.exe
Size

1.0MB
MD5

fd4a1db355d38e4ea9152b5633c7e5d0
SHA1

ebbd388008a94ec8a20724ea4f6ee48bfc93e238
SHA256

d00755892b27ea561c12ebf3cf369c405177152a586e75614cffa92ce0eca10b
SHA512

bd36ef0d89b65262ad7ff350d69fb4eff7212d6a4eece2ee379d797772b88c9c85af1089c146a626dd1d7edc9f5b112b1c68af5a59f53cfd5a2434bc694f6751
SSDEEP

24576:P1u4PpqsaMFOxrq5h0BfrV2rCdArKPwvOBBqdO:P3PpZgq56TV2ruDnBqdO

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.jackbarber.com
Port:
587
Username:
[email protected]
Password:
g4$bQ3T-9d
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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	82105269.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MYAPP = "C:\\Users\\Admin\\AppData\\Roaming\\MYAPP\\MYAPP.exe"	RegSvcs.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
40	api.ipify.org
37	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2072 set thread context of 1392	2072	82105269.exe	88

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

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

T1053

pid	Process
1296	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2072	82105269.exe
2072	82105269.exe
1092	powershell.exe
1092	powershell.exe
1392	RegSvcs.exe
1392	RegSvcs.exe
1392	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2072	82105269.exe
Token: SeDebugPrivilege	1392	RegSvcs.exe
Token: SeDebugPrivilege	1092	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 1092	2072	82105269.exe	84
PID 2072 wrote to memory of 1092	2072	82105269.exe	84
PID 2072 wrote to memory of 1092	2072	82105269.exe	84
PID 2072 wrote to memory of 1296	2072	82105269.exe	86
PID 2072 wrote to memory of 1296	2072	82105269.exe	86
PID 2072 wrote to memory of 1296	2072	82105269.exe	86
PID 2072 wrote to memory of 1392	2072	82105269.exe	88
PID 2072 wrote to memory of 1392	2072	82105269.exe	88
PID 2072 wrote to memory of 1392	2072	82105269.exe	88
PID 2072 wrote to memory of 1392	2072	82105269.exe	88
PID 2072 wrote to memory of 1392	2072	82105269.exe	88
PID 2072 wrote to memory of 1392	2072	82105269.exe	88
PID 2072 wrote to memory of 1392	2072	82105269.exe	88
PID 2072 wrote to memory of 1392	2072	82105269.exe	88

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\82105269.exe
"C:\Users\Admin\AppData\Local\Temp\82105269.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mynJKXltwPj.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1092
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mynJKXltwPj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp30D4.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1296
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1392

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp30D4.tmp

Filesize
1KB

MD5
1ddd8c9bdc74c1cf71f65e94d2f1275a

SHA1
f0e795d70fd3682c170c30a6f6ca034c15fca664

SHA256
c6428b05720e959311bfb7f81a54511692b01db69b87af1ec529fe7456d3f20c

SHA512
2ad00b7b28b0c125b3c92ef9314ddcdd4370bdbcfeebfb797ec1ea5eba48d597013aa85ae18be90c7a40f506f5b590c55137aaaec5490a7b4715525c9f218949

Download Submit
memory/1092-150-0x0000000006620000-0x000000000663E000-memory.dmp

Filesize
120KB

Download
memory/1092-152-0x0000000007380000-0x000000000739A000-memory.dmp

Filesize
104KB

Download
memory/1092-157-0x0000000007690000-0x0000000007698000-memory.dmp

Filesize
32KB

Download
memory/1092-156-0x00000000076B0000-0x00000000076CA000-memory.dmp

Filesize
104KB

Download
memory/1092-146-0x0000000005A40000-0x0000000005AA6000-memory.dmp

Filesize
408KB

Download
memory/1092-139-0x0000000004AB0000-0x0000000004AE6000-memory.dmp

Filesize
216KB

Download
memory/1092-154-0x00000000075F0000-0x0000000007686000-memory.dmp

Filesize
600KB

Download
memory/1092-142-0x00000000051D0000-0x00000000057F8000-memory.dmp

Filesize
6.2MB

Download
memory/1092-153-0x00000000073E0000-0x00000000073EA000-memory.dmp

Filesize
40KB

Download
memory/1092-145-0x00000000058A0000-0x0000000005906000-memory.dmp

Filesize
408KB

Download
memory/1092-144-0x0000000005800000-0x0000000005822000-memory.dmp

Filesize
136KB

Download
memory/1092-147-0x0000000006070000-0x000000000608E000-memory.dmp

Filesize
120KB

Download
memory/1092-155-0x00000000075A0000-0x00000000075AE000-memory.dmp

Filesize
56KB

Download
memory/1092-151-0x00000000079E0000-0x000000000805A000-memory.dmp

Filesize
6.5MB

Download
memory/1092-148-0x0000000007070000-0x00000000070A2000-memory.dmp

Filesize
200KB

Download
memory/1092-149-0x0000000071040000-0x000000007108C000-memory.dmp

Filesize
304KB

Download
memory/1392-143-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1392-158-0x00000000064E0000-0x0000000006530000-memory.dmp

Filesize
320KB

Download
memory/2072-132-0x0000000000B80000-0x0000000000C8E000-memory.dmp

Filesize
1.1MB

Download
memory/2072-134-0x0000000005610000-0x00000000056A2000-memory.dmp

Filesize
584KB

Download
memory/2072-133-0x0000000005C90000-0x0000000006234000-memory.dmp

Filesize
5.6MB

Download
memory/2072-136-0x0000000009480000-0x000000000951C000-memory.dmp

Filesize
624KB

Download
memory/2072-135-0x00000000056C0000-0x00000000056CA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads