agenttesla | 6be22ce6c20dd7529706bde38229c83ebc0a97249303ae67acd0cee862fb3876

General

Target

PO #047428.exe
Size

731KB
MD5

922cfad0f2e7663f08ed2637ca92511e
SHA1

cd8592c99afc126b4fb282efe82623cfe525ef21
SHA256

6be22ce6c20dd7529706bde38229c83ebc0a97249303ae67acd0cee862fb3876
SHA512

6aa847cce7c3b6b7085dca532d8dc056fd2ab11195cadc77d6dd5d905825cd73865f6963bc5d1d0feac77f463fd4bdc41e35573d173349b039b9f15823556c68

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sharqcapital.qa
Port:
587
Username:
[email protected]
Password:
zoAr6!y[h*Qp

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
behavioral1/memory/1124-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1124-11-0x000000000043763E-mapping.dmp	family_agenttesla
behavioral1/memory/1124-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

PO #047428.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts PO #047428.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	PO #047428.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PO #047428.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	PO #047428.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO #047428.exe

description pid process target process

PID 1668 set thread context of 1124 1668 PO #047428.exe PO #047428.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

1064 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

PO #047428.exePO #047428.exe

pid process

1668 PO #047428.exe
1124 PO #047428.exe
1124 PO #047428.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO #047428.exePO #047428.exe

description pid process

Token: SeDebugPrivilege 1668 PO #047428.exe
Token: SeDebugPrivilege 1124 PO #047428.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PO #047428.exe

pid process

1124 PO #047428.exe

description	pid	process	target process
PID 1668 set thread context of 1124	1668	PO #047428.exe	PO #047428.exe

pid	process
1064	schtasks.exe

pid	process
1668	PO #047428.exe
1124	PO #047428.exe
1124	PO #047428.exe

description	pid	process
Token: SeDebugPrivilege	1668	PO #047428.exe
Token: SeDebugPrivilege	1124	PO #047428.exe

pid	process
1124	PO #047428.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

PO #047428.exe

description	pid	process	target process
PID 1668 wrote to memory of 1064	1668	PO #047428.exe	schtasks.exe
PID 1668 wrote to memory of 1064	1668	PO #047428.exe	schtasks.exe
PID 1668 wrote to memory of 1064	1668	PO #047428.exe	schtasks.exe
PID 1668 wrote to memory of 1064	1668	PO #047428.exe	schtasks.exe
PID 1668 wrote to memory of 1124	1668	PO #047428.exe	PO #047428.exe
PID 1668 wrote to memory of 1124	1668	PO #047428.exe	PO #047428.exe
PID 1668 wrote to memory of 1124	1668	PO #047428.exe	PO #047428.exe
PID 1668 wrote to memory of 1124	1668	PO #047428.exe	PO #047428.exe
PID 1668 wrote to memory of 1124	1668	PO #047428.exe	PO #047428.exe
PID 1668 wrote to memory of 1124	1668	PO #047428.exe	PO #047428.exe
PID 1668 wrote to memory of 1124	1668	PO #047428.exe	PO #047428.exe
PID 1668 wrote to memory of 1124	1668	PO #047428.exe	PO #047428.exe
PID 1668 wrote to memory of 1124	1668	PO #047428.exe	PO #047428.exe

C:\Users\Admin\AppData\Local\Temp\PO #047428.exe
"C:\Users\Admin\AppData\Local\Temp\PO #047428.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VaWTHYl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1287.tmp"
2⤵
- Creates scheduled task(s)
PID:1064

C:\Users\Admin\AppData\Local\Temp\PO #047428.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:1124

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

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1287.tmp
MD5
bb884d508ea69c4c65040a5860a9dc85

SHA1
405970b4b3c22bbea674322e1f8c97dc87f26df0

SHA256
3327fdd8cdf6d052650685e244f7b7e0e889282d510a17d55110d5d5a9b2a139

SHA512
872d5b66f40226ea857eb283b52abc960bd21818dc7f03ca6176973bc8aadb7ac1daee8d9357af31bc8d9e46b6b1e6774742ccaeac400e2a4e72adfa8d0c9f33

Download Submit
memory/1064-8-0x0000000000000000-mapping.dmp

Download
memory/1124-12-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/1124-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1124-11-0x000000000043763E-mapping.dmp

Download
memory/1124-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1124-15-0x0000000004A30000-0x0000000004A31000-memory.dmp

Filesize
4KB

Download
memory/1124-16-0x0000000004A31000-0x0000000004A32000-memory.dmp

Filesize
4KB

Download
memory/1668-6-0x0000000000530000-0x0000000000534000-memory.dmp

Filesize
16KB

Download
memory/1668-7-0x0000000004F60000-0x0000000004FC0000-memory.dmp

Filesize
384KB

Download
memory/1668-5-0x0000000004D20000-0x0000000004D21000-memory.dmp

Filesize
4KB

Download
memory/1668-3-0x0000000000B50000-0x0000000000B51000-memory.dmp

Filesize
4KB

Download
memory/1668-2-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads