agenttesla | 552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76

General

Target

552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe
Size

1.0MB
MD5

52a916b74fab3f2c9d2b2775bbd28642
SHA1

68e1ae1586f6aa2370ad2fac71efead1f12b3875
SHA256

552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76
SHA512

b6a763b63bd45babaeaa49131077fec9dd7edb34ecc6ddfa3b5ab3f03d668ff9ad4a03a5c52164c6ef2ea32b0e4a698b48d193a728d6f948679397831724490a
SSDEEP

24576:I7bLoEslXMhl31Ju53x5K8yRAX4LJlR0//H:IDbsxMH1o53x5K8yRAX4LJn0n

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sky-qrp.com
Port:
587
Username:
[email protected]
Password:
h!xUls&%FS,V

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/2036-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2036-64-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2036-65-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2036-66-0x00000000004375AE-mapping.dmp	family_agenttesla
behavioral1/memory/2036-68-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2036-70-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe

description	pid	process	target process
PID 1196 set thread context of 2036	1196	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.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

1756 schtasks.exe

pid	process
1756	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe

pid	process
2036	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe
2036	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe

pid process

2036 552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe

description pid process

Token: SeDebugPrivilege 2036 552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe

description	pid	process
Token: SeDebugPrivilege	2036	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe

description	pid	process	target process
PID 1196 wrote to memory of 1756	1196	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe	schtasks.exe
PID 1196 wrote to memory of 1756	1196	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe	schtasks.exe
PID 1196 wrote to memory of 1756	1196	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe	schtasks.exe
PID 1196 wrote to memory of 1756	1196	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe	schtasks.exe
PID 1196 wrote to memory of 2036	1196	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe
PID 1196 wrote to memory of 2036	1196	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe
PID 1196 wrote to memory of 2036	1196	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe
PID 1196 wrote to memory of 2036	1196	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe
PID 1196 wrote to memory of 2036	1196	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe
PID 1196 wrote to memory of 2036	1196	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe
PID 1196 wrote to memory of 2036	1196	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe
PID 1196 wrote to memory of 2036	1196	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe
PID 1196 wrote to memory of 2036	1196	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe	552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe

C:\Users\Admin\AppData\Local\Temp\552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe
"C:\Users\Admin\AppData\Local\Temp\552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1196

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qDJeDvkWgmGop" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1028.tmp"
2⤵
- Creates scheduled task(s)
PID:1756

C:\Users\Admin\AppData\Local\Temp\552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe
"C:\Users\Admin\AppData\Local\Temp\552ef08623f28b4c41e1df65c2c09323965c408a5edbc49990b6eeeb0b51ff76.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
PID:2036

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1028.tmp
Filesize
1KB

MD5
014ff846d9d7fdd7c73cc77239b1c0a2

SHA1
595e2d9627bf61b1f9ed17a027a911ffe20e4e9b

SHA256
2fb6bb1ce3241da6a054c362c198886a3afcbd78589caddb92c31f0756dffcf1

SHA512
1aa71a085796e396d32fc687f224bf64dfd07ea49ceffb77a51ab7584b6a28534ad6ebfb0d401034e8e5c0e5188316c66cf53e583e16262af43c2a5285c0ea1d

Download Submit
memory/1196-54-0x00000000012C0000-0x00000000013CA000-memory.dmp

Filesize
1.0MB

Download
memory/1196-55-0x0000000075D01000-0x0000000075D03000-memory.dmp

Filesize
8KB

Download
memory/1196-56-0x0000000000460000-0x000000000046A000-memory.dmp

Filesize
40KB

Download
memory/1196-57-0x0000000005520000-0x00000000055B4000-memory.dmp

Filesize
592KB

Download
memory/1756-58-0x0000000000000000-mapping.dmp

Download
memory/2036-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2036-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2036-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2036-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2036-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2036-66-0x00000000004375AE-mapping.dmp

Download
memory/2036-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2036-70-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads