agenttesla | ce5f574b8e64d20e222142b1b0ef9c14f6713087a0d51bf89a061fc0c771383c

General

Target

Tax_Notification_6900449581.pdf.exe
Size

4.2MB
MD5

3e825c82323f71df05b323b0760e2697
SHA1

f9635ae2cbc1f389fd507159158a81e42dbee13e
SHA256

efe9be78a8da440c576162c8bd5498972ec6134b4276c05acb6a3b060a4013bb
SHA512

9e4f364b16f6353eff8841e60fbfa1e01cef93443c2e7a159cb34b2d0070fe59b225b5fa4ff30dd6bbc94547533dc58f62679d2a6920900fcebd26e30ac42470

Score

10^/10

agenttesla agilenet 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 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1660-70-0x0000000000080000-0x00000000000CC000-memory.dmp	family_agenttesla
behavioral1/memory/1660-71-0x0000000000080000-0x00000000000CC000-memory.dmp	family_agenttesla
behavioral1/memory/1660-73-0x0000000000446A2E-mapping.dmp	family_agenttesla
behavioral1/memory/1660-75-0x0000000000080000-0x00000000000CC000-memory.dmp	family_agenttesla
behavioral1/memory/1660-76-0x0000000000080000-0x00000000000CC000-memory.dmp	family_agenttesla
behavioral1/memory/1660-80-0x0000000000080000-0x00000000000CC000-memory.dmp	family_agenttesla
behavioral1/memory/1660-83-0x0000000000080000-0x00000000000CC000-memory.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

Processes:

trtsytyerwcgjt.exeAddInProcess32.exe

pid process

1856 trtsytyerwcgjt.exe
1660 AddInProcess32.exe
Loads dropped DLL 2 IoCs

Processes:

Tax_Notification_6900449581.pdf.exetrtsytyerwcgjt.exe

pid process

1788 Tax_Notification_6900449581.pdf.exe
1856 trtsytyerwcgjt.exe

pid	process
1856	trtsytyerwcgjt.exe
1660	AddInProcess32.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral1/memory/1788-56-0x0000000000290000-0x000000000029A000-memory.dmp	agile_net

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-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\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 1856 set thread context of 1660 1856 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 1856 set thread context of 1660	1856	trtsytyerwcgjt.exe	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

Tax_Notification_6900449581.pdf.exetrtsytyerwcgjt.exeAddInProcess32.exe

pid	process
1788	Tax_Notification_6900449581.pdf.exe
1788	Tax_Notification_6900449581.pdf.exe
1856	trtsytyerwcgjt.exe
1856	trtsytyerwcgjt.exe
1856	trtsytyerwcgjt.exe
1660	AddInProcess32.exe
1660	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Tax_Notification_6900449581.pdf.exetrtsytyerwcgjt.exeAddInProcess32.exe

description	pid	process
Token: SeDebugPrivilege	1788	Tax_Notification_6900449581.pdf.exe
Token: SeDebugPrivilege	1856	trtsytyerwcgjt.exe
Token: SeDebugPrivilege	1660	AddInProcess32.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

Tax_Notification_6900449581.pdf.execmd.exetrtsytyerwcgjt.exe

description	pid	process	target process
PID 1788 wrote to memory of 1628	1788	Tax_Notification_6900449581.pdf.exe	cmd.exe
PID 1788 wrote to memory of 1628	1788	Tax_Notification_6900449581.pdf.exe	cmd.exe
PID 1788 wrote to memory of 1628	1788	Tax_Notification_6900449581.pdf.exe	cmd.exe
PID 1788 wrote to memory of 1628	1788	Tax_Notification_6900449581.pdf.exe	cmd.exe
PID 1628 wrote to memory of 1960	1628	cmd.exe	reg.exe
PID 1628 wrote to memory of 1960	1628	cmd.exe	reg.exe
PID 1628 wrote to memory of 1960	1628	cmd.exe	reg.exe
PID 1628 wrote to memory of 1960	1628	cmd.exe	reg.exe
PID 1788 wrote to memory of 1856	1788	Tax_Notification_6900449581.pdf.exe	trtsytyerwcgjt.exe
PID 1788 wrote to memory of 1856	1788	Tax_Notification_6900449581.pdf.exe	trtsytyerwcgjt.exe
PID 1788 wrote to memory of 1856	1788	Tax_Notification_6900449581.pdf.exe	trtsytyerwcgjt.exe
PID 1788 wrote to memory of 1856	1788	Tax_Notification_6900449581.pdf.exe	trtsytyerwcgjt.exe
PID 1856 wrote to memory of 1660	1856	trtsytyerwcgjt.exe	AddInProcess32.exe
PID 1856 wrote to memory of 1660	1856	trtsytyerwcgjt.exe	AddInProcess32.exe
PID 1856 wrote to memory of 1660	1856	trtsytyerwcgjt.exe	AddInProcess32.exe
PID 1856 wrote to memory of 1660	1856	trtsytyerwcgjt.exe	AddInProcess32.exe
PID 1856 wrote to memory of 1660	1856	trtsytyerwcgjt.exe	AddInProcess32.exe
PID 1856 wrote to memory of 1660	1856	trtsytyerwcgjt.exe	AddInProcess32.exe
PID 1856 wrote to memory of 1660	1856	trtsytyerwcgjt.exe	AddInProcess32.exe
PID 1856 wrote to memory of 1660	1856	trtsytyerwcgjt.exe	AddInProcess32.exe
PID 1856 wrote to memory of 1660	1856	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⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1788

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:1628

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:1960

C:\Users\Admin\AppData\Roaming\trtsytyerwcgjt.exe
"C:\Users\Admin\AppData\Roaming\trtsytyerwcgjt.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1856

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:1660

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
Filesize
41KB

MD5
6a673bfc3b67ae9782cb31af2f234c68

SHA1
7544e89566d91e84e3cd437b9a073e5f6b56566e

SHA256
978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

SHA512
72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

Download Submit
C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
Filesize
41KB

MD5
6a673bfc3b67ae9782cb31af2f234c68

SHA1
7544e89566d91e84e3cd437b9a073e5f6b56566e

SHA256
978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

SHA512
72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

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
\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
Filesize
41KB

MD5
6a673bfc3b67ae9782cb31af2f234c68

SHA1
7544e89566d91e84e3cd437b9a073e5f6b56566e

SHA256
978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

SHA512
72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

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

MD5
3e825c82323f71df05b323b0760e2697

SHA1
f9635ae2cbc1f389fd507159158a81e42dbee13e

SHA256
efe9be78a8da440c576162c8bd5498972ec6134b4276c05acb6a3b060a4013bb

SHA512
9e4f364b16f6353eff8841e60fbfa1e01cef93443c2e7a159cb34b2d0070fe59b225b5fa4ff30dd6bbc94547533dc58f62679d2a6920900fcebd26e30ac42470

Download Submit
memory/1628-57-0x0000000000000000-mapping.dmp

Download
memory/1660-73-0x0000000000446A2E-mapping.dmp

Download
memory/1660-76-0x0000000000080000-0x00000000000CC000-memory.dmp

Filesize
304KB

Download
memory/1660-84-0x0000000075DB1000-0x0000000075DB3000-memory.dmp

Filesize
8KB

Download
memory/1660-83-0x0000000000080000-0x00000000000CC000-memory.dmp

Filesize
304KB

Download
memory/1660-80-0x0000000000080000-0x00000000000CC000-memory.dmp

Filesize
304KB

Download
memory/1660-75-0x0000000000080000-0x00000000000CC000-memory.dmp

Filesize
304KB

Download
memory/1660-67-0x0000000000080000-0x00000000000CC000-memory.dmp

Filesize
304KB

Download
memory/1660-68-0x0000000000080000-0x00000000000CC000-memory.dmp

Filesize
304KB

Download
memory/1660-70-0x0000000000080000-0x00000000000CC000-memory.dmp

Filesize
304KB

Download
memory/1660-71-0x0000000000080000-0x00000000000CC000-memory.dmp

Filesize
304KB

Download
memory/1788-55-0x0000000000210000-0x000000000022E000-memory.dmp

Filesize
120KB

Download
memory/1788-54-0x0000000000C40000-0x000000000106E000-memory.dmp

Filesize
4.2MB

Download
memory/1788-56-0x0000000000290000-0x000000000029A000-memory.dmp

Filesize
40KB

Download
memory/1856-60-0x0000000000000000-mapping.dmp

Download
memory/1856-64-0x00000000005A0000-0x00000000005AA000-memory.dmp

Filesize
40KB

Download
memory/1856-63-0x0000000000B60000-0x0000000000F8E000-memory.dmp

Filesize
4.2MB

Download
memory/1960-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads