agenttesla | 2c0859008fe73a3625a925608b420cbbf12edd04ff535e00ebd24bc389bcff19

General

Target

tt copy.exe
Size

470KB
MD5

6f2e9917c711dbae778cd4286d6935ed
SHA1

3798a8576a483a5842f35641c463d112d695dde2
SHA256

da02f9d856038ba614bf9612e387005a4b219fa4d212782e557fe532e638de66
SHA512

07179e6160732d91fcc4c264dfb2e45011f8b19bd21596050cddbe0b95a7f3f978c835fe1f5b8b7c9e617fa2abe66828aee99a6957ce2da0f230a63bf217f98a

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.tolipgoldenplaza.com
Port:
587
Username:
[email protected]
Password:
Golden@#$2019

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.tolipgoldenplaza.com
Port:
587
Username:
[email protected]
Password:
Golden@#$2019

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/1288-140-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Disables Task Manager via registry modification
evasion
Drops file in Drivers directory 1 IoCs

Processes:

tt copy.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts tt copy.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	tt copy.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:

tt copy.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	tt copy.exe

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

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 stealer

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 stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

tt copy.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tt copy.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tt copy.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tt copy.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

tt copy.exe

description pid process target process

PID 2668 set thread context of 1288 2668 tt copy.exe tt copy.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

5028 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

3940 REG.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

tt copy.exett copy.exe

pid process

2668 tt copy.exe
2668 tt copy.exe
2668 tt copy.exe
2668 tt copy.exe
2668 tt copy.exe
1288 tt copy.exe
1288 tt copy.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

tt copy.exett copy.exe

description pid process

Token: SeDebugPrivilege 2668 tt copy.exe
Token: SeDebugPrivilege 1288 tt copy.exe

description	pid	process	target process
PID 2668 set thread context of 1288	2668	tt copy.exe	tt copy.exe

pid	process
5028	schtasks.exe

pid	process
3940	REG.exe

pid	process
2668	tt copy.exe
2668	tt copy.exe
2668	tt copy.exe
2668	tt copy.exe
2668	tt copy.exe
1288	tt copy.exe
1288	tt copy.exe

description	pid	process
Token: SeDebugPrivilege	2668	tt copy.exe
Token: SeDebugPrivilege	1288	tt copy.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

tt copy.exett copy.exe

description	pid	process	target process
PID 2668 wrote to memory of 5028	2668	tt copy.exe	schtasks.exe
PID 2668 wrote to memory of 5028	2668	tt copy.exe	schtasks.exe
PID 2668 wrote to memory of 5028	2668	tt copy.exe	schtasks.exe
PID 2668 wrote to memory of 2624	2668	tt copy.exe	tt copy.exe
PID 2668 wrote to memory of 2624	2668	tt copy.exe	tt copy.exe
PID 2668 wrote to memory of 2624	2668	tt copy.exe	tt copy.exe
PID 2668 wrote to memory of 2040	2668	tt copy.exe	tt copy.exe
PID 2668 wrote to memory of 2040	2668	tt copy.exe	tt copy.exe
PID 2668 wrote to memory of 2040	2668	tt copy.exe	tt copy.exe
PID 2668 wrote to memory of 1288	2668	tt copy.exe	tt copy.exe
PID 2668 wrote to memory of 1288	2668	tt copy.exe	tt copy.exe
PID 2668 wrote to memory of 1288	2668	tt copy.exe	tt copy.exe
PID 2668 wrote to memory of 1288	2668	tt copy.exe	tt copy.exe
PID 2668 wrote to memory of 1288	2668	tt copy.exe	tt copy.exe
PID 2668 wrote to memory of 1288	2668	tt copy.exe	tt copy.exe
PID 2668 wrote to memory of 1288	2668	tt copy.exe	tt copy.exe
PID 2668 wrote to memory of 1288	2668	tt copy.exe	tt copy.exe
PID 1288 wrote to memory of 3940	1288	tt copy.exe	REG.exe
PID 1288 wrote to memory of 3940	1288	tt copy.exe	REG.exe
PID 1288 wrote to memory of 3940	1288	tt copy.exe	REG.exe
PID 1288 wrote to memory of 1580	1288	tt copy.exe	netsh.exe
PID 1288 wrote to memory of 1580	1288	tt copy.exe	netsh.exe
PID 1288 wrote to memory of 1580	1288	tt copy.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

tt copy.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tt copy.exe

outlook_win_path 1 IoCs

Processes:

tt copy.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tt copy.exe

C:\Users\Admin\AppData\Local\Temp\tt copy.exe
"C:\Users\Admin\AppData\Local\Temp\tt copy.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2668

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IsZnAGRRI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp983D.tmp"
2⤵
- Creates scheduled task(s)
PID:5028

C:\Users\Admin\AppData\Local\Temp\tt copy.exe
"{path}"
2⤵
PID:2624

C:\Users\Admin\AppData\Local\Temp\tt copy.exe
"{path}"
2⤵
PID:2040

C:\Users\Admin\AppData\Local\Temp\tt copy.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1288

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
3⤵
- Modifies registry key
PID:3940

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1580

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\tt copy.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp983D.tmp
Filesize
1KB

MD5
1a778ab7395596ce7d2993ae59afb27a

SHA1
dbe27f17a07dcec76893457947921809cf54909b

SHA256
735fabe1f499baea520f306100962e1ca20225d56f3ba9840bcfd0236eaa0295

SHA512
5a2a0d58af37020dddf50f1a43e1a30c3ebe3045b3762f20f6892a3eacf041e1bfc651ae96e966e5b9f256b87fb406e52ec4508cdad7a62495b60909c23c18ba

Download Submit
memory/1288-139-0x0000000000000000-mapping.dmp

Download
memory/1288-144-0x00000000064E0000-0x0000000006530000-memory.dmp

Filesize
320KB

Download
memory/1288-142-0x00000000058D0000-0x0000000005936000-memory.dmp

Filesize
408KB

Download
memory/1288-140-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1580-145-0x0000000000000000-mapping.dmp

Download
memory/2040-138-0x0000000000000000-mapping.dmp

Download
memory/2624-137-0x0000000000000000-mapping.dmp

Download
memory/2668-130-0x0000000000670000-0x00000000006EC000-memory.dmp

Filesize
496KB

Download
memory/2668-134-0x0000000008CB0000-0x0000000008D4C000-memory.dmp

Filesize
624KB

Download
memory/2668-133-0x0000000005240000-0x000000000524A000-memory.dmp

Filesize
40KB

Download
memory/2668-132-0x0000000005090000-0x0000000005122000-memory.dmp

Filesize
584KB

Download
memory/2668-131-0x0000000005640000-0x0000000005BE4000-memory.dmp

Filesize
5.6MB

Download
memory/3940-143-0x0000000000000000-mapping.dmp

Download
memory/5028-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads