agenttesla | 9cb1e7f66fe3c5e0ba2e1d525dddf593ceb57df41a49b874228c61322e6a4861

General

Target

PO 98246.exe
Size

940KB
MD5

87fb6b88ed5e0ad768dd1fb8fc9c46af
SHA1

739749390782129616a8a776ff745a748de3048a
SHA256

9cb1e7f66fe3c5e0ba2e1d525dddf593ceb57df41a49b874228c61322e6a4861
SHA512

e3c4177f3de2aecb953b0f6efed90d969e9a3d4254985ad4ae58a917554961164321570fcf83ae8e5d95c6c5f9fc008ce2c241faaad28c9b01bbc3f82d081ef5

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
paola.micheli@copangroup.xyz
Password:
gibson.1990

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
behavioral2/memory/3828-124-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3828-125-0x000000000043760E-mapping.dmp	family_agenttesla
behavioral2/memory/3828-131-0x0000000005870000-0x0000000005D6E000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

PO 98246.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts PO 98246.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

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	PO 98246.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PO 98246.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	PO 98246.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO 98246.exe

description pid process target process

PID 2256 set thread context of 3828 2256 PO 98246.exe PO 98246.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

PO 98246.exePO 98246.exe

pid process

2256 PO 98246.exe
2256 PO 98246.exe
3828 PO 98246.exe
3828 PO 98246.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO 98246.exePO 98246.exe

description pid process

Token: SeDebugPrivilege 2256 PO 98246.exe
Token: SeDebugPrivilege 3828 PO 98246.exe

description	pid	process	target process
PID 2256 set thread context of 3828	2256	PO 98246.exe	PO 98246.exe

pid	process
2256	PO 98246.exe
2256	PO 98246.exe
3828	PO 98246.exe
3828	PO 98246.exe

description	pid	process
Token: SeDebugPrivilege	2256	PO 98246.exe
Token: SeDebugPrivilege	3828	PO 98246.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

PO 98246.exe

description	pid	process	target process
PID 2256 wrote to memory of 3764	2256	PO 98246.exe	PO 98246.exe
PID 2256 wrote to memory of 3764	2256	PO 98246.exe	PO 98246.exe
PID 2256 wrote to memory of 3764	2256	PO 98246.exe	PO 98246.exe
PID 2256 wrote to memory of 3828	2256	PO 98246.exe	PO 98246.exe
PID 2256 wrote to memory of 3828	2256	PO 98246.exe	PO 98246.exe
PID 2256 wrote to memory of 3828	2256	PO 98246.exe	PO 98246.exe
PID 2256 wrote to memory of 3828	2256	PO 98246.exe	PO 98246.exe
PID 2256 wrote to memory of 3828	2256	PO 98246.exe	PO 98246.exe
PID 2256 wrote to memory of 3828	2256	PO 98246.exe	PO 98246.exe
PID 2256 wrote to memory of 3828	2256	PO 98246.exe	PO 98246.exe
PID 2256 wrote to memory of 3828	2256	PO 98246.exe	PO 98246.exe

C:\Users\Admin\AppData\Local\Temp\PO 98246.exe
"C:\Users\Admin\AppData\Local\Temp\PO 98246.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2256

C:\Users\Admin\AppData\Local\Temp\PO 98246.exe
"C:\Users\Admin\AppData\Local\Temp\PO 98246.exe"
2⤵
PID:3764

C:\Users\Admin\AppData\Local\Temp\PO 98246.exe
"C:\Users\Admin\AppData\Local\Temp\PO 98246.exe"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3828

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

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO 98246.exe.log
MD5
a8225268a0cfd23e60750624c7fe5113

SHA1
92567d25c5ef4fc85c9dda60a0625e0bb9c72d97

SHA256
2d820f6fb6c206a25e346f653150ae314d58de33c4e15ac600e7618093ac2261

SHA512
8f7ecc25006b79173ae9fdca2843a315df5aa259882953e4864aafefcb8ca62c0d0a4f16baf2f0fdc3b0a8235bd63fdb345f991e9d5c5cce290a0ef032ce2ef1

Download Submit
memory/2256-123-0x00000000055A0000-0x00000000055AF000-memory.dmp

Filesize
60KB

Download
memory/2256-116-0x0000000005A30000-0x0000000005A31000-memory.dmp

Filesize
4KB

Download
memory/2256-118-0x00000000055B0000-0x00000000055B1000-memory.dmp

Filesize
4KB

Download
memory/2256-119-0x00000000054C0000-0x00000000054C1000-memory.dmp

Filesize
4KB

Download
memory/2256-120-0x0000000005380000-0x0000000005412000-memory.dmp

Filesize
584KB

Download
memory/2256-121-0x0000000005530000-0x0000000005598000-memory.dmp

Filesize
416KB

Download
memory/2256-117-0x0000000005420000-0x0000000005421000-memory.dmp

Filesize
4KB

Download
memory/2256-114-0x0000000000B10000-0x0000000000B11000-memory.dmp

Filesize
4KB

Download
memory/2256-122-0x00000000056D0000-0x00000000056D1000-memory.dmp

Filesize
4KB

Download
memory/3828-125-0x000000000043760E-mapping.dmp

Download
memory/3828-124-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3828-131-0x0000000005870000-0x0000000005D6E000-memory.dmp

Filesize
5.0MB

Download
memory/3828-132-0x00000000059C0000-0x00000000059C1000-memory.dmp

Filesize
4KB

Download
memory/3828-133-0x00000000064D0000-0x00000000064D1000-memory.dmp

Filesize
4KB

Download
memory/3828-135-0x0000000006460000-0x0000000006461000-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