agenttesla | 11d62aa2e8c63691f11d88d485213cfaa82b48af8c505e7232beb9f2e5fc2f6a

General

Target

doc2022052000010030010101.exe
Size

24KB
MD5

494e6c34de631134bff5a01092583701
SHA1

56cda18a9b4dccf0fec27aa5ff208f12e7ff8d5a
SHA256

11d62aa2e8c63691f11d88d485213cfaa82b48af8c505e7232beb9f2e5fc2f6a
SHA512

ad32e62388246ed088d27a03a83e26de0ca9382209322ab47024ff8b42da24165d1a43941c7ac7a6be4563efedf3a147c787f128ea12f03f88b1c54324371b71

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5310370668:AAEdB2nfvvFj53YoaxJ-AleA2m93WUxxyM0/sendDocument

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

Processes:

doc2022052000010030010101.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	doc2022052000010030010101.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

doc2022052000010030010101.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Squri = "\"C:\\Users\\Admin\\AppData\\Roaming\\Obzdxbs\\Squri.exe\""	doc2022052000010030010101.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

doc2022052000010030010101.exe

description pid process target process

PID 3864 set thread context of 4248 3864 doc2022052000010030010101.exe InstallUtil.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

5000 timeout.exe

description	pid	process	target process
PID 3864 set thread context of 4248	3864	doc2022052000010030010101.exe	InstallUtil.exe

pid	process
5000	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

doc2022052000010030010101.exeInstallUtil.exe

pid	process
3864	doc2022052000010030010101.exe
3864	doc2022052000010030010101.exe
3864	doc2022052000010030010101.exe
3864	doc2022052000010030010101.exe
3864	doc2022052000010030010101.exe
3864	doc2022052000010030010101.exe
4248	InstallUtil.exe
4248	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

doc2022052000010030010101.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 3864 doc2022052000010030010101.exe
Token: SeDebugPrivilege 4248 InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	3864	doc2022052000010030010101.exe
Token: SeDebugPrivilege	4248	InstallUtil.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

doc2022052000010030010101.execmd.exe

description	pid	process	target process
PID 3864 wrote to memory of 1460	3864	doc2022052000010030010101.exe	cmd.exe
PID 3864 wrote to memory of 1460	3864	doc2022052000010030010101.exe	cmd.exe
PID 3864 wrote to memory of 1460	3864	doc2022052000010030010101.exe	cmd.exe
PID 1460 wrote to memory of 5000	1460	cmd.exe	timeout.exe
PID 1460 wrote to memory of 5000	1460	cmd.exe	timeout.exe
PID 1460 wrote to memory of 5000	1460	cmd.exe	timeout.exe
PID 3864 wrote to memory of 4204	3864	doc2022052000010030010101.exe	InstallUtil.exe
PID 3864 wrote to memory of 4204	3864	doc2022052000010030010101.exe	InstallUtil.exe
PID 3864 wrote to memory of 4204	3864	doc2022052000010030010101.exe	InstallUtil.exe
PID 3864 wrote to memory of 4248	3864	doc2022052000010030010101.exe	InstallUtil.exe
PID 3864 wrote to memory of 4248	3864	doc2022052000010030010101.exe	InstallUtil.exe
PID 3864 wrote to memory of 4248	3864	doc2022052000010030010101.exe	InstallUtil.exe
PID 3864 wrote to memory of 4248	3864	doc2022052000010030010101.exe	InstallUtil.exe
PID 3864 wrote to memory of 4248	3864	doc2022052000010030010101.exe	InstallUtil.exe
PID 3864 wrote to memory of 4248	3864	doc2022052000010030010101.exe	InstallUtil.exe
PID 3864 wrote to memory of 4248	3864	doc2022052000010030010101.exe	InstallUtil.exe
PID 3864 wrote to memory of 4248	3864	doc2022052000010030010101.exe	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\doc2022052000010030010101.exe
"C:\Users\Admin\AppData\Local\Temp\doc2022052000010030010101.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3864

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 20
2⤵
- Suspicious use of WriteProcessMemory
PID:1460

C:\Windows\SysWOW64\timeout.exe
timeout 20
3⤵
- Delays execution with timeout.exe
PID:5000

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
PID:4204

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4248

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

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

Exfiltration

Command and Control

Impact

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Downloads

memory/1460-134-0x0000000000000000-mapping.dmp

Download
memory/3864-130-0x0000000000170000-0x000000000017C000-memory.dmp

Filesize
48KB

Download
memory/3864-131-0x0000000005070000-0x0000000005614000-memory.dmp

Filesize
5.6MB

Download
memory/3864-132-0x00000000049F0000-0x0000000004A82000-memory.dmp

Filesize
584KB

Download
memory/3864-133-0x00000000049D0000-0x00000000049DA000-memory.dmp

Filesize
40KB

Download
memory/4204-136-0x0000000000000000-mapping.dmp

Download
memory/4248-137-0x0000000000000000-mapping.dmp

Download
memory/4248-138-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4248-139-0x00000000056F0000-0x000000000578C000-memory.dmp

Filesize
624KB

Download
memory/4248-140-0x0000000006450000-0x00000000064B6000-memory.dmp

Filesize
408KB

Download
memory/4248-141-0x00000000069F0000-0x0000000006A40000-memory.dmp

Filesize
320KB

Download
memory/5000-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads