agenttesla | bf3f46097c7766605ef2b6744d7ce077b1bb58cdccc17166e85882fc6403b38b

Analysis

max time kernel
126s
max time network
136s
platform
windows10_x64
resource
win10v20210410
submitted
20-07-2021 14:18

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General

Target

TT COPY.exe
Size

837KB
MD5

ba13e04243a1c130a961577665e081cd
SHA1

dee255022621fe995ac13d6f236b6b82e612382a
SHA256

9613a9091f407470785d30cda2e384ae38fef3b2ad693ee00f2c65f59aada2c0
SHA512

682f3ad0c13fd4234a38791279f51ba1047c0b358de2fdb6fa658facc19bdbe9d8b2091458c65f92250588975883013dcbbf21f836bf54a6226f53f0e4678c12

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.saitools.com
Port:
587
Username:
qamanager@saitools.com
Password:
ecotanksystems$0912

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
behavioral16/memory/3308-124-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral16/memory/3308-125-0x000000000043761E-mapping.dmp	family_agenttesla
behavioral16/memory/3308-130-0x00000000053D0000-0x00000000058CE000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

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

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.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"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

TT COPY.exe

description pid process target process

PID 3680 set thread context of 3308 3680 TT COPY.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

TT COPY.exeRegSvcs.exe

pid process

3680 TT COPY.exe
3680 TT COPY.exe
3680 TT COPY.exe
3308 RegSvcs.exe
3308 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

TT COPY.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 3680 TT COPY.exe
Token: SeDebugPrivilege 3308 RegSvcs.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid process

3308 RegSvcs.exe

description	pid	process	target process
PID 3680 set thread context of 3308	3680	TT COPY.exe	RegSvcs.exe

pid	process
3680	TT COPY.exe
3680	TT COPY.exe
3680	TT COPY.exe
3308	RegSvcs.exe
3308	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3680	TT COPY.exe
Token: SeDebugPrivilege	3308	RegSvcs.exe

pid	process
3308	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

TT COPY.exe

description	pid	process	target process
PID 3680 wrote to memory of 3968	3680	TT COPY.exe	RegSvcs.exe
PID 3680 wrote to memory of 3968	3680	TT COPY.exe	RegSvcs.exe
PID 3680 wrote to memory of 3968	3680	TT COPY.exe	RegSvcs.exe
PID 3680 wrote to memory of 3308	3680	TT COPY.exe	RegSvcs.exe
PID 3680 wrote to memory of 3308	3680	TT COPY.exe	RegSvcs.exe
PID 3680 wrote to memory of 3308	3680	TT COPY.exe	RegSvcs.exe
PID 3680 wrote to memory of 3308	3680	TT COPY.exe	RegSvcs.exe
PID 3680 wrote to memory of 3308	3680	TT COPY.exe	RegSvcs.exe
PID 3680 wrote to memory of 3308	3680	TT COPY.exe	RegSvcs.exe
PID 3680 wrote to memory of 3308	3680	TT COPY.exe	RegSvcs.exe
PID 3680 wrote to memory of 3308	3680	TT COPY.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\TT COPY.exe
"C:\Users\Admin\AppData\Local\Temp\TT COPY.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3680

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:3968

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:3308

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/3308-124-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3308-132-0x0000000006230000-0x0000000006231000-memory.dmp

Filesize
4KB

Download
memory/3308-131-0x00000000058A0000-0x00000000058A1000-memory.dmp

Filesize
4KB

Download
memory/3308-130-0x00000000053D0000-0x00000000058CE000-memory.dmp

Filesize
5.0MB

Download
memory/3308-125-0x000000000043761E-mapping.dmp

Download
memory/3680-118-0x0000000004A80000-0x0000000004A81000-memory.dmp

Filesize
4KB

Download
memory/3680-121-0x0000000004AB0000-0x0000000004AB1000-memory.dmp

Filesize
4KB

Download
memory/3680-122-0x0000000006810000-0x00000000068A8000-memory.dmp

Filesize
608KB

Download
memory/3680-123-0x0000000006E10000-0x0000000006E67000-memory.dmp

Filesize
348KB

Download
memory/3680-120-0x0000000006E70000-0x0000000006E71000-memory.dmp

Filesize
4KB

Download
memory/3680-119-0x0000000004DC0000-0x0000000004DC2000-memory.dmp

Filesize
8KB

Download
memory/3680-114-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/3680-117-0x0000000004B40000-0x0000000004B41000-memory.dmp

Filesize
4KB

Download
memory/3680-116-0x0000000005040000-0x0000000005041000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads