agenttesla | b84177ba29d940b494894ef69a3899a438079a9fc64607c9444c2856d5d5b273

General

Target

454362_PURCHASE ORDER.exe
Size

433KB
MD5

9bc66f36baedd02eb6b55e391d90b324
SHA1

aaa6786ed70237361fb28250da350181d0fd28fe
SHA256

4b1a13f1b1a0bff19df63d1ebf93a2c1c390896b77db3b724a2e5c03f6007d81
SHA512

027dbf3d56939ad0d7f4bae865863e9da23d3be4278b2e7a257b8c08b135390322b298c4bece43cda407c6eeec07c4f41a5d5b72bcee4018c65b6530aa3f462e

Score

10^/10

agenttesla evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.microtechlab.in
Port:
587
Username:
[email protected]
Password:
pune@123

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2368-137-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Disables Task Manager via registry modification
evasion
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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

454362_PURCHASE ORDER.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	454362_PURCHASE ORDER.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-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CpSnJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CpSnJ\\CpSnJ.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

454362_PURCHASE ORDER.exe

description pid process target process

PID 3436 set thread context of 2368 3436 454362_PURCHASE ORDER.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

4392 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1112 REG.exe

description	pid	process	target process
PID 3436 set thread context of 2368	3436	454362_PURCHASE ORDER.exe	RegSvcs.exe

pid	process
4392	schtasks.exe

pid	process
1112	REG.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

454362_PURCHASE ORDER.exeRegSvcs.exe

pid	process
3436	454362_PURCHASE ORDER.exe
3436	454362_PURCHASE ORDER.exe
3436	454362_PURCHASE ORDER.exe
3436	454362_PURCHASE ORDER.exe
2368	RegSvcs.exe
2368	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

454362_PURCHASE ORDER.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 3436 454362_PURCHASE ORDER.exe
Token: SeDebugPrivilege 2368 RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3436	454362_PURCHASE ORDER.exe
Token: SeDebugPrivilege	2368	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

454362_PURCHASE ORDER.exeRegSvcs.exe

description	pid	process	target process
PID 3436 wrote to memory of 4392	3436	454362_PURCHASE ORDER.exe	schtasks.exe
PID 3436 wrote to memory of 4392	3436	454362_PURCHASE ORDER.exe	schtasks.exe
PID 3436 wrote to memory of 4392	3436	454362_PURCHASE ORDER.exe	schtasks.exe
PID 3436 wrote to memory of 2368	3436	454362_PURCHASE ORDER.exe	RegSvcs.exe
PID 3436 wrote to memory of 2368	3436	454362_PURCHASE ORDER.exe	RegSvcs.exe
PID 3436 wrote to memory of 2368	3436	454362_PURCHASE ORDER.exe	RegSvcs.exe
PID 3436 wrote to memory of 2368	3436	454362_PURCHASE ORDER.exe	RegSvcs.exe
PID 3436 wrote to memory of 2368	3436	454362_PURCHASE ORDER.exe	RegSvcs.exe
PID 3436 wrote to memory of 2368	3436	454362_PURCHASE ORDER.exe	RegSvcs.exe
PID 3436 wrote to memory of 2368	3436	454362_PURCHASE ORDER.exe	RegSvcs.exe
PID 3436 wrote to memory of 2368	3436	454362_PURCHASE ORDER.exe	RegSvcs.exe
PID 2368 wrote to memory of 1112	2368	RegSvcs.exe	REG.exe
PID 2368 wrote to memory of 1112	2368	RegSvcs.exe	REG.exe
PID 2368 wrote to memory of 1112	2368	RegSvcs.exe	REG.exe
PID 2368 wrote to memory of 4208	2368	RegSvcs.exe	netsh.exe
PID 2368 wrote to memory of 4208	2368	RegSvcs.exe	netsh.exe
PID 2368 wrote to memory of 4208	2368	RegSvcs.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\454362_PURCHASE ORDER.exe
"C:\Users\Admin\AppData\Local\Temp\454362_PURCHASE ORDER.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3436

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\myhqZugPIlg" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCD91.tmp"
2⤵
- Creates scheduled task(s)
PID:4392

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 WriteProcessMemory
PID:2368

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
3⤵
- Modifies registry key
PID:1112

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:4208

Network

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

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpCD91.tmp
Filesize
1KB

MD5
489852864b68df246c9dc4cbc8baf919

SHA1
e5692cb38b5c4c3680fd43a5418327b630dcc660

SHA256
bb7a382f3ca7f7b4f30966f021777b444bb97e0decc2e331bb4c8765604c1a3e

SHA512
8f80586de05fa5cf083cbc1a78b02e6f2ecaf30902e17746a53b386f9892b921cbbb8f22b83a898d6c0dbde2e2ea19e6f56ceb71d339ce576f31d663e5f9b941

Download Submit
memory/1112-139-0x0000000000000000-mapping.dmp

Download
memory/2368-136-0x0000000000000000-mapping.dmp

Download
memory/2368-137-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2368-138-0x00000000060B0000-0x0000000006116000-memory.dmp

Filesize
408KB

Download
memory/2368-140-0x00000000066F0000-0x0000000006740000-memory.dmp

Filesize
320KB

Download
memory/3436-130-0x0000000000820000-0x0000000000892000-memory.dmp

Filesize
456KB

Download
memory/3436-131-0x0000000005580000-0x000000000561C000-memory.dmp

Filesize
624KB

Download
memory/3436-132-0x00000000056C0000-0x0000000005752000-memory.dmp

Filesize
584KB

Download
memory/3436-133-0x00000000064E0000-0x0000000006A84000-memory.dmp

Filesize
5.6MB

Download
memory/4208-141-0x0000000000000000-mapping.dmp

Download
memory/4392-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads