agenttesla | abd261879ff1611f42e267980489b5b90cc5d8f1e8317fb118b58d9bc15a1db5

General

Target

PO20200716-July.exe
Size

666KB
MD5

32b3a0cf4205e5e48691c110aa082d1e
SHA1

4ec9cce9ec3a012e53e9b116d40f7506c4632e14
SHA256

95cc09bf84b557baa4ce240a6034d1169e12f4268bf9041c4116f149f7603afe
SHA512

29d351454db9aa84a18704659f89ffa148df0fa5483f4ad2a9e127411862eddad35a073ab1d6feb2c3e00a746f063cdd12972259d5600700994f827819721639

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.ru
Port:
587
Username:
realmen2020@yandex.ru
Password:
zS8ZQ88MrxAbUtE

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1532-70-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1532-71-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1532-72-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1532-73-0x000000000044732E-mapping.dmp	family_agenttesla
behavioral1/memory/1532-76-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1532-78-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

Processes:

filename1.exeInstallUtil.exe

pid process

524 filename1.exe
1532 InstallUtil.exe
Loads dropped DLL 2 IoCs

Processes:

PO20200716-July.exefilename1.exe

pid process

1968 PO20200716-July.exe
524 filename1.exe

pid	process
524	filename1.exe
1532	InstallUtil.exe

pid	process
1968	PO20200716-July.exe
524	filename1.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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\application = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\filename1.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

filename1.exe

description pid process target process

PID 524 set thread context of 1532 524 filename1.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
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

PO20200716-July.exefilename1.exeInstallUtil.exe

pid process

1968 PO20200716-July.exe
1968 PO20200716-July.exe
524 filename1.exe
524 filename1.exe
524 filename1.exe
1532 InstallUtil.exe
1532 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

PO20200716-July.exefilename1.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 1968 PO20200716-July.exe
Token: SeDebugPrivilege 524 filename1.exe
Token: SeDebugPrivilege 1532 InstallUtil.exe

description	pid	process	target process
PID 524 set thread context of 1532	524	filename1.exe	InstallUtil.exe

pid	process
1968	PO20200716-July.exe
1968	PO20200716-July.exe
524	filename1.exe
524	filename1.exe
524	filename1.exe
1532	InstallUtil.exe
1532	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1968	PO20200716-July.exe
Token: SeDebugPrivilege	524	filename1.exe
Token: SeDebugPrivilege	1532	InstallUtil.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

PO20200716-July.execmd.exefilename1.exe

description	pid	process	target process
PID 1968 wrote to memory of 1128	1968	PO20200716-July.exe	cmd.exe
PID 1968 wrote to memory of 1128	1968	PO20200716-July.exe	cmd.exe
PID 1968 wrote to memory of 1128	1968	PO20200716-July.exe	cmd.exe
PID 1968 wrote to memory of 1128	1968	PO20200716-July.exe	cmd.exe
PID 1128 wrote to memory of 1960	1128	cmd.exe	reg.exe
PID 1128 wrote to memory of 1960	1128	cmd.exe	reg.exe
PID 1128 wrote to memory of 1960	1128	cmd.exe	reg.exe
PID 1128 wrote to memory of 1960	1128	cmd.exe	reg.exe
PID 1968 wrote to memory of 524	1968	PO20200716-July.exe	filename1.exe
PID 1968 wrote to memory of 524	1968	PO20200716-July.exe	filename1.exe
PID 1968 wrote to memory of 524	1968	PO20200716-July.exe	filename1.exe
PID 1968 wrote to memory of 524	1968	PO20200716-July.exe	filename1.exe
PID 524 wrote to memory of 1532	524	filename1.exe	InstallUtil.exe
PID 524 wrote to memory of 1532	524	filename1.exe	InstallUtil.exe
PID 524 wrote to memory of 1532	524	filename1.exe	InstallUtil.exe
PID 524 wrote to memory of 1532	524	filename1.exe	InstallUtil.exe
PID 524 wrote to memory of 1532	524	filename1.exe	InstallUtil.exe
PID 524 wrote to memory of 1532	524	filename1.exe	InstallUtil.exe
PID 524 wrote to memory of 1532	524	filename1.exe	InstallUtil.exe
PID 524 wrote to memory of 1532	524	filename1.exe	InstallUtil.exe
PID 524 wrote to memory of 1532	524	filename1.exe	InstallUtil.exe
PID 524 wrote to memory of 1532	524	filename1.exe	InstallUtil.exe
PID 524 wrote to memory of 1532	524	filename1.exe	InstallUtil.exe
PID 524 wrote to memory of 1532	524	filename1.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\PO20200716-July.exe
"C:\Users\Admin\AppData\Local\Temp\PO20200716-July.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1968

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v application /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\filename1.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1128

C:\Windows\SysWOW64\reg.exe
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v application /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\filename1.exe"
3⤵
- Adds Run key to start application
PID:1960

C:\Users\Admin\AppData\Roaming\filename1.exe
"C:\Users\Admin\AppData\Roaming\filename1.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:524

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:1532

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
Filesize
40KB

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
Filesize
40KB

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Roaming\filename1.exe
Filesize
666KB

MD5
32b3a0cf4205e5e48691c110aa082d1e

SHA1
4ec9cce9ec3a012e53e9b116d40f7506c4632e14

SHA256
95cc09bf84b557baa4ce240a6034d1169e12f4268bf9041c4116f149f7603afe

SHA512
29d351454db9aa84a18704659f89ffa148df0fa5483f4ad2a9e127411862eddad35a073ab1d6feb2c3e00a746f063cdd12972259d5600700994f827819721639

Download Submit
C:\Users\Admin\AppData\Roaming\filename1.exe
Filesize
666KB

MD5
32b3a0cf4205e5e48691c110aa082d1e

SHA1
4ec9cce9ec3a012e53e9b116d40f7506c4632e14

SHA256
95cc09bf84b557baa4ce240a6034d1169e12f4268bf9041c4116f149f7603afe

SHA512
29d351454db9aa84a18704659f89ffa148df0fa5483f4ad2a9e127411862eddad35a073ab1d6feb2c3e00a746f063cdd12972259d5600700994f827819721639

Download Submit
\Users\Admin\AppData\Local\Temp\InstallUtil.exe
Filesize
40KB

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
\Users\Admin\AppData\Roaming\filename1.exe
Filesize
666KB

MD5
32b3a0cf4205e5e48691c110aa082d1e

SHA1
4ec9cce9ec3a012e53e9b116d40f7506c4632e14

SHA256
95cc09bf84b557baa4ce240a6034d1169e12f4268bf9041c4116f149f7603afe

SHA512
29d351454db9aa84a18704659f89ffa148df0fa5483f4ad2a9e127411862eddad35a073ab1d6feb2c3e00a746f063cdd12972259d5600700994f827819721639

Download Submit
memory/524-64-0x0000000000520000-0x000000000052A000-memory.dmp

Filesize
40KB

Download
memory/524-60-0x0000000000000000-mapping.dmp

Download
memory/524-63-0x0000000000F30000-0x0000000000FDC000-memory.dmp

Filesize
688KB

Download
memory/1128-57-0x0000000000000000-mapping.dmp

Download
memory/1532-70-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1532-67-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1532-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1532-71-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1532-72-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1532-73-0x000000000044732E-mapping.dmp

Download
memory/1532-76-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1532-78-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1532-79-0x00000000764C1000-0x00000000764C3000-memory.dmp

Filesize
8KB

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

Download
memory/1968-54-0x0000000001060000-0x000000000110C000-memory.dmp

Filesize
688KB

Download
memory/1968-56-0x0000000000500000-0x000000000050A000-memory.dmp

Filesize
40KB

Download
memory/1968-55-0x00000000004B0000-0x00000000004CE000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads