agenttesla | d4eec3387fde66fc5b45135db86b9fcdebcb75e199fe9be1a834d89cac6b9d13

General

Target
LIST0117398902791PDF.7z.exe
Size 551KB
Sample200831-mrr26rcva2
SHA256 d4eec3387fde66fc5b45135db86b9fcdebcb75e199fe9be1a834d89cac6b9d13
MD5 68f96495af73a997500b00b2a88b599b
SHA1 e4f722b3d8046e6404f933354d689448d326fd45
SHA512 cde2179228efcaaba6af7c48377ee15b445c617502a107ef0cb9287297437bd074e2b77698a7e08a3c44364d179390c4daadbdf4de05aab61368f1ca23475038
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
chi-node26.websitehostserver.net
Port
587
Username
[email protected]
Password
@LENOVO,/+473

Signatures

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

AgentTesla Payload 2 IoCs

resource	yara_rule
behavioral2/memory/1888-11-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral2/memory/1888-12-0x00000000004603DE-mapping.dmp	family_agenttesla

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

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

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1568 set thread context of 1888	1568	LIST0117398902791PDF.7z.exe	78

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ServiceProfiles\LocalService\winhttp\cachev3.dat	svchost.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

pid	Process
780	schtasks.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionReason = "1"	svchost.exe
Set value (data)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionTime = 8cc2ef7fa77fd601	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecision = "0"	svchost.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1568	LIST0117398902791PDF.7z.exe
1568	LIST0117398902791PDF.7z.exe
1568	LIST0117398902791PDF.7z.exe
1568	LIST0117398902791PDF.7z.exe
1568	LIST0117398902791PDF.7z.exe
1568	LIST0117398902791PDF.7z.exe
1888	LIST0117398902791PDF.7z.exe
1888	LIST0117398902791PDF.7z.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1112	svchost.exe
Token: SeCreatePagefilePrivilege	1112	svchost.exe
Token: SeDebugPrivilege	1568	LIST0117398902791PDF.7z.exe
Token: SeDebugPrivilege	1888	LIST0117398902791PDF.7z.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1568 wrote to memory of 780	1568	LIST0117398902791PDF.7z.exe	75
PID 1568 wrote to memory of 780	1568	LIST0117398902791PDF.7z.exe	75
PID 1568 wrote to memory of 780	1568	LIST0117398902791PDF.7z.exe	75
PID 1568 wrote to memory of 4088	1568	LIST0117398902791PDF.7z.exe	77
PID 1568 wrote to memory of 4088	1568	LIST0117398902791PDF.7z.exe	77
PID 1568 wrote to memory of 4088	1568	LIST0117398902791PDF.7z.exe	77
PID 1568 wrote to memory of 1888	1568	LIST0117398902791PDF.7z.exe	78
PID 1568 wrote to memory of 1888	1568	LIST0117398902791PDF.7z.exe	78
PID 1568 wrote to memory of 1888	1568	LIST0117398902791PDF.7z.exe	78
PID 1568 wrote to memory of 1888	1568	LIST0117398902791PDF.7z.exe	78
PID 1568 wrote to memory of 1888	1568	LIST0117398902791PDF.7z.exe	78
PID 1568 wrote to memory of 1888	1568	LIST0117398902791PDF.7z.exe	78
PID 1568 wrote to memory of 1888	1568	LIST0117398902791PDF.7z.exe	78
PID 1568 wrote to memory of 1888	1568	LIST0117398902791PDF.7z.exe	78

C:\Users\Admin\AppData\Local\Temp\LIST0117398902791PDF.7z.exe
"C:\Users\Admin\AppData\Local\Temp\LIST0117398902791PDF.7z.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1568
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KDkOUcjBffk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFB6D.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:780
- C:\Users\Admin\AppData\Local\Temp\LIST0117398902791PDF.7z.exe
  "{path}"
  2⤵
  PID:4088
- C:\Users\Admin\AppData\Local\Temp\LIST0117398902791PDF.7z.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1888

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:1112

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1568-5-0x0000000002B30000-0x0000000002B33000-memory.dmp

Download

memory/1568-1-0x0000000000850000-0x0000000000851000-memory.dmp

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memory/1568-6-0x0000000005710000-0x0000000005783000-memory.dmp

Download

memory/1568-7-0x0000000005E30000-0x0000000005E31000-memory.dmp

Download

memory/1568-8-0x0000000005D90000-0x0000000005E0E000-memory.dmp

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memory/1568-4-0x0000000005170000-0x0000000005171000-memory.dmp

Download

memory/1568-3-0x0000000005790000-0x0000000005791000-memory.dmp

Download

memory/1568-0-0x00000000735C0000-0x0000000073CAE000-memory.dmp

Download

memory/1888-14-0x00000000735C0000-0x0000000073CAE000-memory.dmp

Download

memory/1888-11-0x0000000000400000-0x0000000000466000-memory.dmp

Download

memory/1888-19-0x0000000005540000-0x0000000005541000-memory.dmp

Download

memory/1888-20-0x00000000055D0000-0x00000000055D1000-memory.dmp

Download

memory/1888-22-0x0000000006520000-0x0000000006521000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads