agenttesla | 5bc6c8848174187f2b4ef2a36356edd96e3d6f438d7bb0009825fc3b8a937cc1

General

Target

RFQ12_AMD20200422.exe
Size

856KB
MD5

0c2f04abf97efca32e1c920a70709122
SHA1

a2d913ce122c815024e546ace827405388c41a3e
SHA256

e07ba21e5d098a88ce3e45d9ed869b30726c31bd13b6a88205a80265a45f605c
SHA512

b5ace9e02ce711dff299c151b27f4323603bb946e318048a6de38aef1e2b2f27aca2f9cb735675e4f713349b4cbbbf193d691ae6628d12a62b57052786577491

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.qdsaes.com
Port:
587
Username:
andy@qdsaes.com
Password:
)oNvVYl5ceo2121

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/3724-125-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3724-126-0x000000000043760E-mapping.dmp	family_agenttesla
behavioral2/memory/3724-132-0x0000000005020000-0x000000000551E000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

RFQ12_AMD20200422.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RFQ12_AMD20200422.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RFQ12_AMD20200422.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RFQ12_AMD20200422.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	RFQ12_AMD20200422.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

RFQ12_AMD20200422.exe

description pid process target process

PID 3172 set thread context of 3724 3172 RFQ12_AMD20200422.exe RFQ12_AMD20200422.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

RFQ12_AMD20200422.exeRFQ12_AMD20200422.exe

pid process

3172 RFQ12_AMD20200422.exe
3172 RFQ12_AMD20200422.exe
3172 RFQ12_AMD20200422.exe
3724 RFQ12_AMD20200422.exe
3724 RFQ12_AMD20200422.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RFQ12_AMD20200422.exeRFQ12_AMD20200422.exe

description pid process

Token: SeDebugPrivilege 3172 RFQ12_AMD20200422.exe
Token: SeDebugPrivilege 3724 RFQ12_AMD20200422.exe

description	pid	process	target process
PID 3172 set thread context of 3724	3172	RFQ12_AMD20200422.exe	RFQ12_AMD20200422.exe

pid	process
3172	RFQ12_AMD20200422.exe
3172	RFQ12_AMD20200422.exe
3172	RFQ12_AMD20200422.exe
3724	RFQ12_AMD20200422.exe
3724	RFQ12_AMD20200422.exe

description	pid	process
Token: SeDebugPrivilege	3172	RFQ12_AMD20200422.exe
Token: SeDebugPrivilege	3724	RFQ12_AMD20200422.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

RFQ12_AMD20200422.exe

description	pid	process	target process
PID 3172 wrote to memory of 3724	3172	RFQ12_AMD20200422.exe	RFQ12_AMD20200422.exe
PID 3172 wrote to memory of 3724	3172	RFQ12_AMD20200422.exe	RFQ12_AMD20200422.exe
PID 3172 wrote to memory of 3724	3172	RFQ12_AMD20200422.exe	RFQ12_AMD20200422.exe
PID 3172 wrote to memory of 3724	3172	RFQ12_AMD20200422.exe	RFQ12_AMD20200422.exe
PID 3172 wrote to memory of 3724	3172	RFQ12_AMD20200422.exe	RFQ12_AMD20200422.exe
PID 3172 wrote to memory of 3724	3172	RFQ12_AMD20200422.exe	RFQ12_AMD20200422.exe
PID 3172 wrote to memory of 3724	3172	RFQ12_AMD20200422.exe	RFQ12_AMD20200422.exe
PID 3172 wrote to memory of 3724	3172	RFQ12_AMD20200422.exe	RFQ12_AMD20200422.exe

C:\Users\Admin\AppData\Local\Temp\RFQ12_AMD20200422.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ12_AMD20200422.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3172

C:\Users\Admin\AppData\Local\Temp\RFQ12_AMD20200422.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ12_AMD20200422.exe"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3724

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

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RFQ12_AMD20200422.exe.log
MD5
90acfd72f14a512712b1a7380c0faf60

SHA1
40ba4accb8faa75887e84fb8e38d598dc8cf0f12

SHA256
20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

SHA512
29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

Download Submit
memory/3172-119-0x00000000049D0000-0x00000000049D1000-memory.dmp

Filesize
4KB

Download
memory/3172-124-0x00000000095A0000-0x00000000095E3000-memory.dmp

Filesize
268KB

Download
memory/3172-118-0x0000000004AB0000-0x0000000004AB1000-memory.dmp

Filesize
4KB

Download
memory/3172-114-0x00000000000E0000-0x00000000000E1000-memory.dmp

Filesize
4KB

Download
memory/3172-120-0x0000000004CC0000-0x0000000004CC1000-memory.dmp

Filesize
4KB

Download
memory/3172-121-0x0000000006D10000-0x0000000006D19000-memory.dmp

Filesize
36KB

Download
memory/3172-117-0x0000000004FB0000-0x0000000004FB1000-memory.dmp

Filesize
4KB

Download
memory/3172-123-0x00000000009E0000-0x0000000000A5C000-memory.dmp

Filesize
496KB

Download
memory/3172-122-0x0000000004AB0000-0x0000000004FAE000-memory.dmp

Filesize
5.0MB

Download
memory/3172-116-0x0000000004A10000-0x0000000004A11000-memory.dmp

Filesize
4KB

Download
memory/3724-126-0x000000000043760E-mapping.dmp

Download
memory/3724-125-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3724-132-0x0000000005020000-0x000000000551E000-memory.dmp

Filesize
5.0MB

Download
memory/3724-133-0x0000000005170000-0x0000000005171000-memory.dmp

Filesize
4KB

Download
memory/3724-134-0x0000000005D10000-0x0000000005D11000-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