agenttesla | 02d0286cf02f434949e434e6a5d293f11d80991f35bf5650c444660382c1b3a1

General

Target

FDA.exe
Size

1.0MB
MD5

08a652c3adb52cc860c1b35dc2838f23
SHA1

6d630ca20b831dfa6db2b33ea1f0a256a1d13e60
SHA256

63e6198cee195250e7ef3aedecfacdfeb6fdbce9e4f3fd9c1260ef67075819a3
SHA512

7df0d8df46a9b44652a239c969f2da6bc81f15b91cc6ecfef9b904caf27dc73fa37494113651931f5c866e1f8b42503279addb0d209997a13cd646421d198c5f

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.rosaritoindustries.com
Port:
587
Username:
inquiry@rosaritoindustries.com
Password:
aircondivision2019

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/2720-127-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/2720-128-0x000000000043784E-mapping.dmp	family_agenttesla
behavioral2/memory/2720-133-0x0000000004F40000-0x000000000543E000-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-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\tKZVPq = "C:\\Users\\Admin\\AppData\\Roaming\\tKZVPq\\tKZVPq.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

FDA.exe

description pid process target process

PID 636 set thread context of 2720 636 FDA.exe RegSvcs.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

2488 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

FDA.exeRegSvcs.exe

pid process

636 FDA.exe
636 FDA.exe
636 FDA.exe
2720 RegSvcs.exe
2720 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

FDA.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 636 FDA.exe
Token: SeDebugPrivilege 2720 RegSvcs.exe

description	pid	process	target process
PID 636 set thread context of 2720	636	FDA.exe	RegSvcs.exe

pid	process
2488	schtasks.exe

pid	process
636	FDA.exe
636	FDA.exe
636	FDA.exe
2720	RegSvcs.exe
2720	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	636	FDA.exe
Token: SeDebugPrivilege	2720	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

FDA.exe

description	pid	process	target process
PID 636 wrote to memory of 2488	636	FDA.exe	schtasks.exe
PID 636 wrote to memory of 2488	636	FDA.exe	schtasks.exe
PID 636 wrote to memory of 2488	636	FDA.exe	schtasks.exe
PID 636 wrote to memory of 2660	636	FDA.exe	RegSvcs.exe
PID 636 wrote to memory of 2660	636	FDA.exe	RegSvcs.exe
PID 636 wrote to memory of 2660	636	FDA.exe	RegSvcs.exe
PID 636 wrote to memory of 2720	636	FDA.exe	RegSvcs.exe
PID 636 wrote to memory of 2720	636	FDA.exe	RegSvcs.exe
PID 636 wrote to memory of 2720	636	FDA.exe	RegSvcs.exe
PID 636 wrote to memory of 2720	636	FDA.exe	RegSvcs.exe
PID 636 wrote to memory of 2720	636	FDA.exe	RegSvcs.exe
PID 636 wrote to memory of 2720	636	FDA.exe	RegSvcs.exe
PID 636 wrote to memory of 2720	636	FDA.exe	RegSvcs.exe
PID 636 wrote to memory of 2720	636	FDA.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\FDA.exe
"C:\Users\Admin\AppData\Local\Temp\FDA.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:636

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PkrqkOSPOWZhCz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3970.tmp"
2⤵
- Creates scheduled task(s)
PID:2488

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:2660

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
PID:2720

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

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3970.tmp
MD5
30e66fdbc843ab52fadc44383db06c48

SHA1
9e3004dd6bb09699bbf80373f1e56caf87e0df29

SHA256
5c8c8e0e5a36ce8abf154cb655e235b65228681108e1785b4fde07552df58b50

SHA512
a024662d3a2e13a5420243f47d0bb47e848da5e7f6f73fb55d3ef253da7cd878aedd315f04dc85b23624f54d71fae8864408ef4c33434d9bcab3791b253bccc3

Download Submit
memory/636-123-0x0000000008B20000-0x0000000008B9D000-memory.dmp

Filesize
500KB

Download
memory/636-122-0x0000000002D50000-0x0000000002D5E000-memory.dmp

Filesize
56KB

Download
memory/636-118-0x0000000005460000-0x0000000005461000-memory.dmp

Filesize
4KB

Download
memory/636-119-0x0000000005270000-0x000000000530C000-memory.dmp

Filesize
624KB

Download
memory/636-124-0x0000000008BA0000-0x0000000008BDA000-memory.dmp

Filesize
232KB

Download
memory/636-121-0x0000000005620000-0x0000000005621000-memory.dmp

Filesize
4KB

Download
memory/636-117-0x00000000058C0000-0x00000000058C1000-memory.dmp

Filesize
4KB

Download
memory/636-114-0x0000000000A00000-0x0000000000A01000-memory.dmp

Filesize
4KB

Download
memory/636-120-0x00000000053E0000-0x00000000053E1000-memory.dmp

Filesize
4KB

Download
memory/636-116-0x0000000005310000-0x0000000005311000-memory.dmp

Filesize
4KB

Download
memory/2488-125-0x0000000000000000-mapping.dmp

Download
memory/2720-127-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2720-128-0x000000000043784E-mapping.dmp

Download
memory/2720-133-0x0000000004F40000-0x000000000543E000-memory.dmp

Filesize
5.0MB

Download
memory/2720-134-0x0000000004F80000-0x0000000004F81000-memory.dmp

Filesize
4KB

Download
memory/2720-135-0x0000000005CA0000-0x0000000005CA1000-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