agenttesla | bbd1b9d7ea2595f0b7464d3480aa45ff371895dc82676267612f589004f14584

General

Target

Harrry5.7.exe
Size

726KB
MD5

1e630f2976e32ffe250a25fb5761e23c
SHA1

6838b808ef597f5819218e1431e2b61eca4157a4
SHA256

bbd1b9d7ea2595f0b7464d3480aa45ff371895dc82676267612f589004f14584
SHA512

18fa1981349ddaaa514ff16616757075b7bb5457db2a7d7c3e506a0531d7c2138b602e92a64917fec0c2a13dfcfef81530b41689cca74cf5e4b3198db7322792

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
chinwendu123

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1772-5-0x00000000004470BE-mapping.dmp	family_agenttesla
behavioral1/memory/1772-7-0x0000000000090000-0x00000000000DC000-memory.dmp	family_agenttesla
behavioral1/memory/1772-8-0x0000000000090000-0x00000000000DC000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

Processes:

InstallUtil.exe

pid process

1772 InstallUtil.exe
Loads dropped DLL 1 IoCs

Processes:

Harrry5.7.exe

pid process

1400 Harrry5.7.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Suspicious use of SetThreadContext 1 IoCs

Processes:

Harrry5.7.exe

description pid process target process

PID 1400 set thread context of 1772 1400 Harrry5.7.exe InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Harrry5.7.exeInstallUtil.exe

pid process

1400 Harrry5.7.exe
1400 Harrry5.7.exe
1400 Harrry5.7.exe
1772 InstallUtil.exe
1772 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Harrry5.7.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 1400 Harrry5.7.exe
Token: SeDebugPrivilege 1772 InstallUtil.exe

pid	process
1772	InstallUtil.exe

pid	process
1400	Harrry5.7.exe

description	pid	process	target process
PID 1400 set thread context of 1772	1400	Harrry5.7.exe	InstallUtil.exe

pid	process
1400	Harrry5.7.exe
1400	Harrry5.7.exe
1400	Harrry5.7.exe
1772	InstallUtil.exe
1772	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1400	Harrry5.7.exe
Token: SeDebugPrivilege	1772	InstallUtil.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Harrry5.7.exe

description	pid	process	target process
PID 1400 wrote to memory of 1772	1400	Harrry5.7.exe	InstallUtil.exe
PID 1400 wrote to memory of 1772	1400	Harrry5.7.exe	InstallUtil.exe
PID 1400 wrote to memory of 1772	1400	Harrry5.7.exe	InstallUtil.exe
PID 1400 wrote to memory of 1772	1400	Harrry5.7.exe	InstallUtil.exe
PID 1400 wrote to memory of 1772	1400	Harrry5.7.exe	InstallUtil.exe
PID 1400 wrote to memory of 1772	1400	Harrry5.7.exe	InstallUtil.exe
PID 1400 wrote to memory of 1772	1400	Harrry5.7.exe	InstallUtil.exe
PID 1400 wrote to memory of 1772	1400	Harrry5.7.exe	InstallUtil.exe
PID 1400 wrote to memory of 1772	1400	Harrry5.7.exe	InstallUtil.exe
PID 1400 wrote to memory of 1772	1400	Harrry5.7.exe	InstallUtil.exe
PID 1400 wrote to memory of 1772	1400	Harrry5.7.exe	InstallUtil.exe
PID 1400 wrote to memory of 1772	1400	Harrry5.7.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\Harrry5.7.exe
"C:\Users\Admin\AppData\Local\Temp\Harrry5.7.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1400

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1772

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
memory/1400-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download
memory/1772-5-0x00000000004470BE-mapping.dmp

Download
memory/1772-7-0x0000000000090000-0x00000000000DC000-memory.dmp

Filesize
304KB

Download
memory/1772-8-0x0000000000090000-0x00000000000DC000-memory.dmp

Filesize
304KB

Download

Analysis

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