agenttesla | 372a1eff95efebac004946b062fafd38a69b2f9c4d2c900335b22353a4646d2e

General

Target

QTN TECHN 80654.exe
Size

1.7MB
MD5

78cc790e0eb562e9dde6d6daf206f852
SHA1

d9ad1c34313400f6f102b6f989d5004e540f74d4
SHA256

372a1eff95efebac004946b062fafd38a69b2f9c4d2c900335b22353a4646d2e
SHA512

71ba7b464f3559ea9e818942949b849dce24b2ebbf2bbaf1355091abdc7f7dfdfb18861266e34b000f082081bf62e0bb356ff9a014976721ad4261e5644c2aff

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.buynsell.com.pk
Port:
587
Username:
accounts@buynsell.com.pk
Password:
9DdbVxrWBXPq

Signatures

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

Contains code to disable Windows Defender 1 IoCs

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

Processes:

resource	yara_rule
behavioral2/memory/3564-132-0x00000000053A0000-0x000000000589E000-memory.dmp	disable_win_def

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3564-126-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3564-127-0x000000000043799E-mapping.dmp	family_agenttesla
behavioral2/memory/3564-132-0x00000000053A0000-0x000000000589E000-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

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-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\NewApp = "C:\\Users\\Admin\\AppData\\Roaming\\NewApp\\NewApp.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

QTN TECHN 80654.exe

description pid process target process

PID 3968 set thread context of 3564 3968 QTN TECHN 80654.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

1136 schtasks.exe

description	pid	process	target process
PID 3968 set thread context of 3564	3968	QTN TECHN 80654.exe	RegSvcs.exe

pid	process
1136	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

QTN TECHN 80654.exeRegSvcs.exe

pid	process
3968	QTN TECHN 80654.exe
3968	QTN TECHN 80654.exe
3968	QTN TECHN 80654.exe
3968	QTN TECHN 80654.exe
3968	QTN TECHN 80654.exe
3564	RegSvcs.exe
3564	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

QTN TECHN 80654.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 3968 QTN TECHN 80654.exe
Token: SeDebugPrivilege 3564 RegSvcs.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid process

3564 RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3968	QTN TECHN 80654.exe
Token: SeDebugPrivilege	3564	RegSvcs.exe

pid	process
3564	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

QTN TECHN 80654.exe

description	pid	process	target process
PID 3968 wrote to memory of 1136	3968	QTN TECHN 80654.exe	schtasks.exe
PID 3968 wrote to memory of 1136	3968	QTN TECHN 80654.exe	schtasks.exe
PID 3968 wrote to memory of 1136	3968	QTN TECHN 80654.exe	schtasks.exe
PID 3968 wrote to memory of 3612	3968	QTN TECHN 80654.exe	RegSvcs.exe
PID 3968 wrote to memory of 3612	3968	QTN TECHN 80654.exe	RegSvcs.exe
PID 3968 wrote to memory of 3612	3968	QTN TECHN 80654.exe	RegSvcs.exe
PID 3968 wrote to memory of 3564	3968	QTN TECHN 80654.exe	RegSvcs.exe
PID 3968 wrote to memory of 3564	3968	QTN TECHN 80654.exe	RegSvcs.exe
PID 3968 wrote to memory of 3564	3968	QTN TECHN 80654.exe	RegSvcs.exe
PID 3968 wrote to memory of 3564	3968	QTN TECHN 80654.exe	RegSvcs.exe
PID 3968 wrote to memory of 3564	3968	QTN TECHN 80654.exe	RegSvcs.exe
PID 3968 wrote to memory of 3564	3968	QTN TECHN 80654.exe	RegSvcs.exe
PID 3968 wrote to memory of 3564	3968	QTN TECHN 80654.exe	RegSvcs.exe
PID 3968 wrote to memory of 3564	3968	QTN TECHN 80654.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\QTN TECHN 80654.exe
"C:\Users\Admin\AppData\Local\Temp\QTN TECHN 80654.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3968

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CFsglLfaDHbcrw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAB0B.tmp"
2⤵
- Creates scheduled task(s)
PID:1136

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:3612

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3564

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

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpAB0B.tmp
MD5
5415155cb3b83b7a55dcc2b1f771e53b

SHA1
5161a3d4849383bb72bc19604b0f49e5be11883c

SHA256
9bf24e18c8343da1e669eed405ca8dc6e5d894d425b4a6ac038c2eeecbc28f44

SHA512
45abb10309eb33a6ee660bf675680e067b44c15b1db7d897d7d79f43a9b79d619f9d2d60775a452b98d97dff02c96171f482a2362406e4081d4bfa22f796f25e

Download Submit
memory/1136-124-0x0000000000000000-mapping.dmp

Download
memory/3564-134-0x0000000006100000-0x0000000006101000-memory.dmp

Filesize
4KB

Download
memory/3564-133-0x0000000005870000-0x0000000005871000-memory.dmp

Filesize
4KB

Download
memory/3564-132-0x00000000053A0000-0x000000000589E000-memory.dmp

Filesize
5.0MB

Download
memory/3564-127-0x000000000043799E-mapping.dmp

Download
memory/3564-126-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3968-119-0x00000000078E0000-0x00000000078E1000-memory.dmp

Filesize
4KB

Download
memory/3968-123-0x0000000002EC0000-0x0000000002EF9000-memory.dmp

Filesize
228KB

Download
memory/3968-122-0x0000000009810000-0x000000000988B000-memory.dmp

Filesize
492KB

Download
memory/3968-121-0x0000000007FE0000-0x0000000007FE2000-memory.dmp

Filesize
8KB

Download
memory/3968-120-0x0000000007C70000-0x0000000007C71000-memory.dmp

Filesize
4KB

Download
memory/3968-114-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download
memory/3968-118-0x0000000007D10000-0x0000000007D11000-memory.dmp

Filesize
4KB

Download
memory/3968-117-0x0000000007BD0000-0x0000000007BD1000-memory.dmp

Filesize
4KB

Download
memory/3968-116-0x00000000080F0000-0x00000000080F1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads