agenttesla | 992602250752df5087c5c3c17d690b73e368f336e77559a3cb102b8c80fcad47

General

Target

New Po.exe
Size

740KB
MD5

41661d4ec98347e7359621a526e7e976
SHA1

e35dddbc0fbf97a94257039941d6910ffc7615d4
SHA256

ffb914ef6c0c0b2077f019be5f0fc486ff611af6ba5922bb4f9a44e57565b77e
SHA512

e84e99a942e93892e5b5d4ceb762f2a8cdcd8926ab62b3d74a0f0c96cc33297d84700e2b2464d327ecf0de887b068444a594bcf1ce0ac1235705ec75724973e1

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
webmail.chennairealty.biz
Port:
587
Username:
[email protected]
Password:
Mp@123cr

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/740-139-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

Processes:

uche.exeAddInProcess32.exe

pid process

3512 uche.exe
740 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:

New Po.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation New Po.exe

pid	process
3512	uche.exe
740	AddInProcess32.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	New Po.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-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\uche = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\uche.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

uche.exe

description pid process target process

PID 3512 set thread context of 740 3512 uche.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 3512 set thread context of 740	3512	uche.exe	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

New Po.exeuche.exe

pid	process
4260	New Po.exe
4260	New Po.exe
4260	New Po.exe
4260	New Po.exe
4260	New Po.exe
4260	New Po.exe
4260	New Po.exe
4260	New Po.exe
4260	New Po.exe
4260	New Po.exe
4260	New Po.exe
4260	New Po.exe
4260	New Po.exe
4260	New Po.exe
4260	New Po.exe
4260	New Po.exe
4260	New Po.exe
4260	New Po.exe
4260	New Po.exe
4260	New Po.exe
4260	New Po.exe
4260	New Po.exe
3512	uche.exe
3512	uche.exe
3512	uche.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

New Po.exeuche.exe

description pid process

Token: SeDebugPrivilege 4260 New Po.exe
Token: SeDebugPrivilege 3512 uche.exe

description	pid	process
Token: SeDebugPrivilege	4260	New Po.exe
Token: SeDebugPrivilege	3512	uche.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

New Po.execmd.exeuche.exe

description	pid	process	target process
PID 4260 wrote to memory of 1128	4260	New Po.exe	cmd.exe
PID 4260 wrote to memory of 1128	4260	New Po.exe	cmd.exe
PID 4260 wrote to memory of 1128	4260	New Po.exe	cmd.exe
PID 1128 wrote to memory of 4764	1128	cmd.exe	reg.exe
PID 1128 wrote to memory of 4764	1128	cmd.exe	reg.exe
PID 1128 wrote to memory of 4764	1128	cmd.exe	reg.exe
PID 4260 wrote to memory of 3512	4260	New Po.exe	uche.exe
PID 4260 wrote to memory of 3512	4260	New Po.exe	uche.exe
PID 4260 wrote to memory of 3512	4260	New Po.exe	uche.exe
PID 3512 wrote to memory of 740	3512	uche.exe	AddInProcess32.exe
PID 3512 wrote to memory of 740	3512	uche.exe	AddInProcess32.exe
PID 3512 wrote to memory of 740	3512	uche.exe	AddInProcess32.exe
PID 3512 wrote to memory of 740	3512	uche.exe	AddInProcess32.exe
PID 3512 wrote to memory of 740	3512	uche.exe	AddInProcess32.exe
PID 3512 wrote to memory of 740	3512	uche.exe	AddInProcess32.exe
PID 3512 wrote to memory of 740	3512	uche.exe	AddInProcess32.exe
PID 3512 wrote to memory of 740	3512	uche.exe	AddInProcess32.exe

C:\Users\Admin\AppData\Local\Temp\New Po.exe
"C:\Users\Admin\AppData\Local\Temp\New Po.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4260

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v uche /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\uche.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 uche /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\uche.exe"
3⤵
- Adds Run key to start application
PID:4764

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\uche.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\uche.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3512

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
3⤵
- Executes dropped EXE
PID:740

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\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\Microsoft\Windows\Templates\uche.exe
Filesize
740KB

MD5
41661d4ec98347e7359621a526e7e976

SHA1
e35dddbc0fbf97a94257039941d6910ffc7615d4

SHA256
ffb914ef6c0c0b2077f019be5f0fc486ff611af6ba5922bb4f9a44e57565b77e

SHA512
e84e99a942e93892e5b5d4ceb762f2a8cdcd8926ab62b3d74a0f0c96cc33297d84700e2b2464d327ecf0de887b068444a594bcf1ce0ac1235705ec75724973e1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\uche.exe
Filesize
740KB

MD5
41661d4ec98347e7359621a526e7e976

SHA1
e35dddbc0fbf97a94257039941d6910ffc7615d4

SHA256
ffb914ef6c0c0b2077f019be5f0fc486ff611af6ba5922bb4f9a44e57565b77e

SHA512
e84e99a942e93892e5b5d4ceb762f2a8cdcd8926ab62b3d74a0f0c96cc33297d84700e2b2464d327ecf0de887b068444a594bcf1ce0ac1235705ec75724973e1

Download Submit
memory/740-139-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/740-138-0x0000000000000000-mapping.dmp

Download
memory/740-142-0x00000000056C0000-0x000000000575C000-memory.dmp

Filesize
624KB

Download
memory/1128-133-0x0000000000000000-mapping.dmp

Download
memory/3512-135-0x0000000000000000-mapping.dmp

Download
memory/4260-130-0x0000000000F30000-0x0000000000FEE000-memory.dmp

Filesize
760KB

Download
memory/4260-132-0x00000000062C0000-0x0000000006352000-memory.dmp

Filesize
584KB

Download
memory/4260-131-0x0000000006770000-0x0000000006D14000-memory.dmp

Filesize
5.6MB

Download
memory/4764-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads