agenttesla | c9138e38bf7241d2d79afb9b4d326a92d3bcf27cc9f032b3d2d02b6d943a1542

General

Target

INV#NO.12KF61.exe
Size

621KB
MD5

9d2482666eb2b88666a0d8ef8f103b7d
SHA1

7c2a5b3606803049eedf92bdd184c601b22a46cb
SHA256

3c165962ade84ada408c62730f36f4885ceede2f15aaa3de5e0f2d20fa204eb8
SHA512

13f7e932db8725d0c9eb6b634a52f87fe10d2ea534e8499e902d82ea5382118df4b37de40578c73782a95ba0488d044425e011a29535aab2bdde8f2eae17588a

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

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/1776-141-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

Processes:

taplitf.exeInstallUtil.exe

pid process

1032 taplitf.exe
1776 InstallUtil.exe

pid	process
1032	taplitf.exe
1776	InstallUtil.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:

INV#NO.12KF61.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	INV#NO.12KF61.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
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hpplictthjk = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\taplitf.exe"	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

taplitf.exe

description pid process target process

PID 1032 set thread context of 1776 1032 taplitf.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

description	pid	process	target process
PID 1032 set thread context of 1776	1032	taplitf.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

Processes:

INV#NO.12KF61.exetaplitf.exeInstallUtil.exe

pid	process
988	INV#NO.12KF61.exe
988	INV#NO.12KF61.exe
988	INV#NO.12KF61.exe
988	INV#NO.12KF61.exe
988	INV#NO.12KF61.exe
988	INV#NO.12KF61.exe
988	INV#NO.12KF61.exe
988	INV#NO.12KF61.exe
988	INV#NO.12KF61.exe
988	INV#NO.12KF61.exe
988	INV#NO.12KF61.exe
988	INV#NO.12KF61.exe
988	INV#NO.12KF61.exe
988	INV#NO.12KF61.exe
988	INV#NO.12KF61.exe
988	INV#NO.12KF61.exe
988	INV#NO.12KF61.exe
988	INV#NO.12KF61.exe
988	INV#NO.12KF61.exe
988	INV#NO.12KF61.exe
988	INV#NO.12KF61.exe
988	INV#NO.12KF61.exe
988	INV#NO.12KF61.exe
988	INV#NO.12KF61.exe
1032	taplitf.exe
1032	taplitf.exe
1032	taplitf.exe
1776	InstallUtil.exe
1776	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

INV#NO.12KF61.exetaplitf.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 988 INV#NO.12KF61.exe
Token: SeDebugPrivilege 1032 taplitf.exe
Token: SeDebugPrivilege 1776 InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	988	INV#NO.12KF61.exe
Token: SeDebugPrivilege	1032	taplitf.exe
Token: SeDebugPrivilege	1776	InstallUtil.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

INV#NO.12KF61.execmd.exetaplitf.exe

description	pid	process	target process
PID 988 wrote to memory of 4448	988	INV#NO.12KF61.exe	cmd.exe
PID 988 wrote to memory of 4448	988	INV#NO.12KF61.exe	cmd.exe
PID 988 wrote to memory of 4448	988	INV#NO.12KF61.exe	cmd.exe
PID 4448 wrote to memory of 4340	4448	cmd.exe	reg.exe
PID 4448 wrote to memory of 4340	4448	cmd.exe	reg.exe
PID 4448 wrote to memory of 4340	4448	cmd.exe	reg.exe
PID 988 wrote to memory of 1032	988	INV#NO.12KF61.exe	taplitf.exe
PID 988 wrote to memory of 1032	988	INV#NO.12KF61.exe	taplitf.exe
PID 988 wrote to memory of 1032	988	INV#NO.12KF61.exe	taplitf.exe
PID 1032 wrote to memory of 1776	1032	taplitf.exe	InstallUtil.exe
PID 1032 wrote to memory of 1776	1032	taplitf.exe	InstallUtil.exe
PID 1032 wrote to memory of 1776	1032	taplitf.exe	InstallUtil.exe
PID 1032 wrote to memory of 1776	1032	taplitf.exe	InstallUtil.exe
PID 1032 wrote to memory of 1776	1032	taplitf.exe	InstallUtil.exe
PID 1032 wrote to memory of 1776	1032	taplitf.exe	InstallUtil.exe
PID 1032 wrote to memory of 1776	1032	taplitf.exe	InstallUtil.exe
PID 1032 wrote to memory of 1776	1032	taplitf.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\INV#NO.12KF61.exe
"C:\Users\Admin\AppData\Local\Temp\INV#NO.12KF61.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:988

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v hpplictthjk /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\taplitf.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4448

C:\Windows\SysWOW64\reg.exe
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v hpplictthjk /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\taplitf.exe"
3⤵
- Adds Run key to start application
PID:4340

C:\Users\Admin\AppData\Roaming\taplitf.exe
"C:\Users\Admin\AppData\Roaming\taplitf.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1032

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1776

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

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Downloads

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

MD5
5d4073b2eb6d217c19f2b22f21bf8d57

SHA1
f0209900fbf08d004b886a0b3ba33ea2b0bf9da8

SHA256
ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3

SHA512
9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159

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

MD5
5d4073b2eb6d217c19f2b22f21bf8d57

SHA1
f0209900fbf08d004b886a0b3ba33ea2b0bf9da8

SHA256
ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3

SHA512
9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159

Download Submit
C:\Users\Admin\AppData\Roaming\taplitf.exe
Filesize
621KB

MD5
9d2482666eb2b88666a0d8ef8f103b7d

SHA1
7c2a5b3606803049eedf92bdd184c601b22a46cb

SHA256
3c165962ade84ada408c62730f36f4885ceede2f15aaa3de5e0f2d20fa204eb8

SHA512
13f7e932db8725d0c9eb6b634a52f87fe10d2ea534e8499e902d82ea5382118df4b37de40578c73782a95ba0488d044425e011a29535aab2bdde8f2eae17588a

Download Submit
C:\Users\Admin\AppData\Roaming\taplitf.exe
Filesize
621KB

MD5
9d2482666eb2b88666a0d8ef8f103b7d

SHA1
7c2a5b3606803049eedf92bdd184c601b22a46cb

SHA256
3c165962ade84ada408c62730f36f4885ceede2f15aaa3de5e0f2d20fa204eb8

SHA512
13f7e932db8725d0c9eb6b634a52f87fe10d2ea534e8499e902d82ea5382118df4b37de40578c73782a95ba0488d044425e011a29535aab2bdde8f2eae17588a

Download Submit
memory/988-133-0x0000000005A40000-0x0000000005A84000-memory.dmp

Filesize
272KB

Download
memory/988-130-0x0000000000D30000-0x0000000000DD0000-memory.dmp

Filesize
640KB

Download
memory/988-132-0x0000000005770000-0x0000000005802000-memory.dmp

Filesize
584KB

Download
memory/988-131-0x0000000005C40000-0x00000000061E4000-memory.dmp

Filesize
5.6MB

Download
memory/1032-136-0x0000000000000000-mapping.dmp

Download
memory/1032-139-0x0000000006950000-0x0000000006972000-memory.dmp

Filesize
136KB

Download
memory/1776-140-0x0000000000000000-mapping.dmp

Download
memory/1776-141-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1776-144-0x00000000054A0000-0x000000000553C000-memory.dmp

Filesize
624KB

Download
memory/1776-145-0x00000000059E0000-0x0000000005A46000-memory.dmp

Filesize
408KB

Download
memory/4340-135-0x0000000000000000-mapping.dmp

Download
memory/4448-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads