agenttesla | ce7ad7a3b275d9e45e5e41c1aa5bdc481bdba7159f6f7e3939e5b1a0f60a71a2

General

Target

P66 2020 master sheet.xlsx.exe
Size

695KB
MD5

07080c3aa5fd6d80e5681275ce15afb9
SHA1

75e09d1b4f40bea0b068ce79e407ba9b8e8e8ccd
SHA256

8580f9a8e64dff0c0d6ecbfe2b90642a972fa20bf91d1b4762ea2cc9c3433225
SHA512

d21099e5a4537ae609c28e1a2d2afbfbeb15ec9e947c8cc195c56a5fd5aa2b492ea2195521bdc20c6f43daefe59a1eddf7dcaa347501b3a9439a3b4f2f269c25

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mdist.us
Port:
587
Username:
[email protected]
Password:
Receiving#4321

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/1996-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1996-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1996-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1996-66-0x000000000044712E-mapping.dmp	family_agenttesla
behavioral1/memory/1996-68-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1996-70-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

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

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\CpSnJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CpSnJ\\CpSnJ.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

P66 2020 master sheet.xlsx.exe

description pid process target process

PID 884 set thread context of 1996 884 P66 2020 master sheet.xlsx.exe RegSvcs.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

1056 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1484 REG.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

P66 2020 master sheet.xlsx.exeRegSvcs.exe

pid process

884 P66 2020 master sheet.xlsx.exe
1996 RegSvcs.exe
1996 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

P66 2020 master sheet.xlsx.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 884 P66 2020 master sheet.xlsx.exe
Token: SeDebugPrivilege 1996 RegSvcs.exe

description	pid	process	target process
PID 884 set thread context of 1996	884	P66 2020 master sheet.xlsx.exe	RegSvcs.exe

pid	process
1056	schtasks.exe

pid	process
1484	REG.exe

pid	process
884	P66 2020 master sheet.xlsx.exe
1996	RegSvcs.exe
1996	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	884	P66 2020 master sheet.xlsx.exe
Token: SeDebugPrivilege	1996	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

P66 2020 master sheet.xlsx.exeRegSvcs.exe

description	pid	process	target process
PID 884 wrote to memory of 1056	884	P66 2020 master sheet.xlsx.exe	schtasks.exe
PID 884 wrote to memory of 1056	884	P66 2020 master sheet.xlsx.exe	schtasks.exe
PID 884 wrote to memory of 1056	884	P66 2020 master sheet.xlsx.exe	schtasks.exe
PID 884 wrote to memory of 1056	884	P66 2020 master sheet.xlsx.exe	schtasks.exe
PID 884 wrote to memory of 1996	884	P66 2020 master sheet.xlsx.exe	RegSvcs.exe
PID 884 wrote to memory of 1996	884	P66 2020 master sheet.xlsx.exe	RegSvcs.exe
PID 884 wrote to memory of 1996	884	P66 2020 master sheet.xlsx.exe	RegSvcs.exe
PID 884 wrote to memory of 1996	884	P66 2020 master sheet.xlsx.exe	RegSvcs.exe
PID 884 wrote to memory of 1996	884	P66 2020 master sheet.xlsx.exe	RegSvcs.exe
PID 884 wrote to memory of 1996	884	P66 2020 master sheet.xlsx.exe	RegSvcs.exe
PID 884 wrote to memory of 1996	884	P66 2020 master sheet.xlsx.exe	RegSvcs.exe
PID 884 wrote to memory of 1996	884	P66 2020 master sheet.xlsx.exe	RegSvcs.exe
PID 884 wrote to memory of 1996	884	P66 2020 master sheet.xlsx.exe	RegSvcs.exe
PID 884 wrote to memory of 1996	884	P66 2020 master sheet.xlsx.exe	RegSvcs.exe
PID 884 wrote to memory of 1996	884	P66 2020 master sheet.xlsx.exe	RegSvcs.exe
PID 884 wrote to memory of 1996	884	P66 2020 master sheet.xlsx.exe	RegSvcs.exe
PID 1996 wrote to memory of 1484	1996	RegSvcs.exe	REG.exe
PID 1996 wrote to memory of 1484	1996	RegSvcs.exe	REG.exe
PID 1996 wrote to memory of 1484	1996	RegSvcs.exe	REG.exe
PID 1996 wrote to memory of 1484	1996	RegSvcs.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\P66 2020 master sheet.xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\P66 2020 master sheet.xlsx.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:884

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IZfJGinQuOdm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD653.tmp"
2⤵
- Creates scheduled task(s)
PID:1056

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1996

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:1484

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD653.tmp
Filesize
1KB

MD5
23baf8fb77c16fdaaf52b508cd166f58

SHA1
eff5ed83cbc0d7520e00d86be4113c28a24c5b3d

SHA256
c964f9c7a2ef25a191b73d1b08931eaba84c6c242e1499787883da4eac43ab11

SHA512
a67a877a6401eebaf105398dc0cd8a8934317991d57db4cee06e94b7f5790d5f7f3ceb52228489bc9be0d9069240d857816c7c11fbb23af494219f07cc941537

Download Submit
memory/884-55-0x0000000074C81000-0x0000000074C83000-memory.dmp

Filesize
8KB

Download
memory/884-56-0x0000000000260000-0x000000000026A000-memory.dmp

Filesize
40KB

Download
memory/884-57-0x0000000000810000-0x0000000000864000-memory.dmp

Filesize
336KB

Download
memory/884-54-0x0000000000BC0000-0x0000000000C74000-memory.dmp

Filesize
720KB

Download
memory/1056-58-0x0000000000000000-mapping.dmp

Download
memory/1484-72-0x0000000000000000-mapping.dmp

Download
memory/1996-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-66-0x000000000044712E-mapping.dmp

Download
memory/1996-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-70-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads