agenttesla | ce5f574b8e64d20e222142b1b0ef9c14f6713087a0d51bf89a061fc0c771383c

General

Target

Tax_Notification_6900449581.pdf.exe
Size

4.2MB
MD5

3e825c82323f71df05b323b0760e2697
SHA1

f9635ae2cbc1f389fd507159158a81e42dbee13e
SHA256

efe9be78a8da440c576162c8bd5498972ec6134b4276c05acb6a3b060a4013bb
SHA512

9e4f364b16f6353eff8841e60fbfa1e01cef93443c2e7a159cb34b2d0070fe59b225b5fa4ff30dd6bbc94547533dc58f62679d2a6920900fcebd26e30ac42470

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
chizzy25@

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3908-140-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

Processes:

trtsytyerwcgjt.exeAddInProcess32.exe

pid process

1472 trtsytyerwcgjt.exe
3908 AddInProcess32.exe

pid	process
1472	trtsytyerwcgjt.exe
3908	AddInProcess32.exe

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:

Tax_Notification_6900449581.pdf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	Tax_Notification_6900449581.pdf.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\deersfsghrtuf = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\trtsytyerwcgjt.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

trtsytyerwcgjt.exe

description pid process target process

PID 1472 set thread context of 3908 1472 trtsytyerwcgjt.exe AddInProcess32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 1472 set thread context of 3908	1472	trtsytyerwcgjt.exe	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

Processes:

Tax_Notification_6900449581.pdf.exetrtsytyerwcgjt.exeAddInProcess32.exe

pid	process
1464	Tax_Notification_6900449581.pdf.exe
1464	Tax_Notification_6900449581.pdf.exe
1464	Tax_Notification_6900449581.pdf.exe
1464	Tax_Notification_6900449581.pdf.exe
1464	Tax_Notification_6900449581.pdf.exe
1464	Tax_Notification_6900449581.pdf.exe
1464	Tax_Notification_6900449581.pdf.exe
1464	Tax_Notification_6900449581.pdf.exe
1464	Tax_Notification_6900449581.pdf.exe
1464	Tax_Notification_6900449581.pdf.exe
1464	Tax_Notification_6900449581.pdf.exe
1464	Tax_Notification_6900449581.pdf.exe
1464	Tax_Notification_6900449581.pdf.exe
1464	Tax_Notification_6900449581.pdf.exe
1464	Tax_Notification_6900449581.pdf.exe
1464	Tax_Notification_6900449581.pdf.exe
1464	Tax_Notification_6900449581.pdf.exe
1464	Tax_Notification_6900449581.pdf.exe
1464	Tax_Notification_6900449581.pdf.exe
1464	Tax_Notification_6900449581.pdf.exe
1464	Tax_Notification_6900449581.pdf.exe
1464	Tax_Notification_6900449581.pdf.exe
1472	trtsytyerwcgjt.exe
1472	trtsytyerwcgjt.exe
1472	trtsytyerwcgjt.exe
3908	AddInProcess32.exe
3908	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Tax_Notification_6900449581.pdf.exetrtsytyerwcgjt.exeAddInProcess32.exe

description	pid	process
Token: SeDebugPrivilege	1464	Tax_Notification_6900449581.pdf.exe
Token: SeDebugPrivilege	1472	trtsytyerwcgjt.exe
Token: SeDebugPrivilege	3908	AddInProcess32.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Tax_Notification_6900449581.pdf.execmd.exetrtsytyerwcgjt.exe

description	pid	process	target process
PID 1464 wrote to memory of 708	1464	Tax_Notification_6900449581.pdf.exe	cmd.exe
PID 1464 wrote to memory of 708	1464	Tax_Notification_6900449581.pdf.exe	cmd.exe
PID 1464 wrote to memory of 708	1464	Tax_Notification_6900449581.pdf.exe	cmd.exe
PID 708 wrote to memory of 2216	708	cmd.exe	reg.exe
PID 708 wrote to memory of 2216	708	cmd.exe	reg.exe
PID 708 wrote to memory of 2216	708	cmd.exe	reg.exe
PID 1464 wrote to memory of 1472	1464	Tax_Notification_6900449581.pdf.exe	trtsytyerwcgjt.exe
PID 1464 wrote to memory of 1472	1464	Tax_Notification_6900449581.pdf.exe	trtsytyerwcgjt.exe
PID 1464 wrote to memory of 1472	1464	Tax_Notification_6900449581.pdf.exe	trtsytyerwcgjt.exe
PID 1472 wrote to memory of 3908	1472	trtsytyerwcgjt.exe	AddInProcess32.exe
PID 1472 wrote to memory of 3908	1472	trtsytyerwcgjt.exe	AddInProcess32.exe
PID 1472 wrote to memory of 3908	1472	trtsytyerwcgjt.exe	AddInProcess32.exe
PID 1472 wrote to memory of 3908	1472	trtsytyerwcgjt.exe	AddInProcess32.exe
PID 1472 wrote to memory of 3908	1472	trtsytyerwcgjt.exe	AddInProcess32.exe
PID 1472 wrote to memory of 3908	1472	trtsytyerwcgjt.exe	AddInProcess32.exe
PID 1472 wrote to memory of 3908	1472	trtsytyerwcgjt.exe	AddInProcess32.exe
PID 1472 wrote to memory of 3908	1472	trtsytyerwcgjt.exe	AddInProcess32.exe

C:\Users\Admin\AppData\Local\Temp\Tax_Notification_6900449581.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Tax_Notification_6900449581.pdf.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1464

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v deersfsghrtuf /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\trtsytyerwcgjt.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:708

C:\Windows\SysWOW64\reg.exe
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v deersfsghrtuf /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\trtsytyerwcgjt.exe"
3⤵
- Adds Run key to start application
PID:2216

C:\Users\Admin\AppData\Roaming\trtsytyerwcgjt.exe
"C:\Users\Admin\AppData\Roaming\trtsytyerwcgjt.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1472

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3908

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

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
Filesize
42KB

MD5
9827ff3cdf4b83f9c86354606736ca9c

SHA1
e73d73f42bb2a310f03eb1bcbb22be2b8eb7c723

SHA256
c1cf3dc8fa1c7fc00f88e07ad539979b3706ca8d69223cffd1d58bc8f521f63a

SHA512
8261828d55f3b5134c0aeb98311c04e20c5395d4347251746f3be0fb854f36cc7e118713cd00c9867537e6e47d5e71f2b2384fc00c67f0ae1b285b8310321579

Download Submit
C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
Filesize
42KB

MD5
9827ff3cdf4b83f9c86354606736ca9c

SHA1
e73d73f42bb2a310f03eb1bcbb22be2b8eb7c723

SHA256
c1cf3dc8fa1c7fc00f88e07ad539979b3706ca8d69223cffd1d58bc8f521f63a

SHA512
8261828d55f3b5134c0aeb98311c04e20c5395d4347251746f3be0fb854f36cc7e118713cd00c9867537e6e47d5e71f2b2384fc00c67f0ae1b285b8310321579

Download Submit
C:\Users\Admin\AppData\Roaming\trtsytyerwcgjt.exe
Filesize
4.2MB

MD5
3e825c82323f71df05b323b0760e2697

SHA1
f9635ae2cbc1f389fd507159158a81e42dbee13e

SHA256
efe9be78a8da440c576162c8bd5498972ec6134b4276c05acb6a3b060a4013bb

SHA512
9e4f364b16f6353eff8841e60fbfa1e01cef93443c2e7a159cb34b2d0070fe59b225b5fa4ff30dd6bbc94547533dc58f62679d2a6920900fcebd26e30ac42470

Download Submit
C:\Users\Admin\AppData\Roaming\trtsytyerwcgjt.exe
Filesize
4.2MB

MD5
3e825c82323f71df05b323b0760e2697

SHA1
f9635ae2cbc1f389fd507159158a81e42dbee13e

SHA256
efe9be78a8da440c576162c8bd5498972ec6134b4276c05acb6a3b060a4013bb

SHA512
9e4f364b16f6353eff8841e60fbfa1e01cef93443c2e7a159cb34b2d0070fe59b225b5fa4ff30dd6bbc94547533dc58f62679d2a6920900fcebd26e30ac42470

Download Submit
memory/708-134-0x0000000000000000-mapping.dmp

Download
memory/1464-131-0x0000000005ED0000-0x0000000006474000-memory.dmp

Filesize
5.6MB

Download
memory/1464-132-0x0000000005A20000-0x0000000005AB2000-memory.dmp

Filesize
584KB

Download
memory/1464-133-0x0000000005E40000-0x0000000005E84000-memory.dmp

Filesize
272KB

Download
memory/1464-130-0x0000000000470000-0x000000000089E000-memory.dmp

Filesize
4.2MB

Download
memory/1472-136-0x0000000000000000-mapping.dmp

Download
memory/2216-135-0x0000000000000000-mapping.dmp

Download
memory/3908-140-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3908-139-0x0000000000000000-mapping.dmp

Download
memory/3908-143-0x0000000005390000-0x000000000542C000-memory.dmp

Filesize
624KB

Download
memory/3908-144-0x0000000006020000-0x0000000006086000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads