agenttesla | 3315f6f2235050638ef65d91c63bd8454f2ad07f08a04ab1ab6e8b6eab65361b

General

Target

75947213cdcf840dece785dfffcc4045.exe
Size

488KB
MD5

75947213cdcf840dece785dfffcc4045
SHA1

0279145121d57d99bccca8385ed8eda6ebd5d8d2
SHA256

3315f6f2235050638ef65d91c63bd8454f2ad07f08a04ab1ab6e8b6eab65361b
SHA512

0c82d0d30b2a869b93950a85af77ee7af3fa14cb8e5dd5d9726eaa9278b9f661e0186050ef11ace3081d1972ee5b32023386b4fc3f3f9c6b116fa60c9adccb0f
SSDEEP

12288:Oi7n6QjBtbKjD/AkVmSc0NhOLS26ni/WlQ0ECb:b7nhvbKvfmkALKi/Wq0Ec

Score

10^/10

agenttesla evasion keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.rajapindah.com
Port:
587
Username:
[email protected]
Password:
#r4j#citeureup#13

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/2288-9-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral2/memory/536-7-0x0000000007D20000-0x0000000007D78000-memory.dmp	rezer0

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
Suspicious use of SetThreadContext 1 IoCs

Processes:

75947213cdcf840dece785dfffcc4045.exe

description pid process target process

PID 536 set thread context of 2288 536 75947213cdcf840dece785dfffcc4045.exe RegSvcs.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3980 2288 WerFault.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

3664 REG.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

2288 RegSvcs.exe
2288 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 2288 RegSvcs.exe

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

description	pid	process	target process
PID 536 set thread context of 2288	536	75947213cdcf840dece785dfffcc4045.exe	RegSvcs.exe

pid	pid_target	process	target process
3980	2288	WerFault.exe	RegSvcs.exe

pid	process
3664	REG.exe

pid	process
2288	RegSvcs.exe
2288	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2288	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

75947213cdcf840dece785dfffcc4045.exeRegSvcs.exe

description	pid	process	target process
PID 536 wrote to memory of 2288	536	75947213cdcf840dece785dfffcc4045.exe	RegSvcs.exe
PID 536 wrote to memory of 2288	536	75947213cdcf840dece785dfffcc4045.exe	RegSvcs.exe
PID 536 wrote to memory of 2288	536	75947213cdcf840dece785dfffcc4045.exe	RegSvcs.exe
PID 536 wrote to memory of 2288	536	75947213cdcf840dece785dfffcc4045.exe	RegSvcs.exe
PID 536 wrote to memory of 2288	536	75947213cdcf840dece785dfffcc4045.exe	RegSvcs.exe
PID 536 wrote to memory of 2288	536	75947213cdcf840dece785dfffcc4045.exe	RegSvcs.exe
PID 536 wrote to memory of 2288	536	75947213cdcf840dece785dfffcc4045.exe	RegSvcs.exe
PID 536 wrote to memory of 2288	536	75947213cdcf840dece785dfffcc4045.exe	RegSvcs.exe
PID 2288 wrote to memory of 3664	2288	RegSvcs.exe	REG.exe
PID 2288 wrote to memory of 3664	2288	RegSvcs.exe	REG.exe
PID 2288 wrote to memory of 3664	2288	RegSvcs.exe	REG.exe

C:\Users\Admin\AppData\Local\Temp\75947213cdcf840dece785dfffcc4045.exe
"C:\Users\Admin\AppData\Local\Temp\75947213cdcf840dece785dfffcc4045.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:536

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2288

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:3664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 1524
3⤵
- Program crash
PID:3980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2288 -ip 2288
1⤵
PID:548

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/536-8-0x0000000006530000-0x00000000065CC000-memory.dmp

Filesize
624KB

Download
memory/536-12-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/536-1-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/536-3-0x00000000051D0000-0x0000000005262000-memory.dmp

Filesize
584KB

Download
memory/536-4-0x0000000005160000-0x0000000005170000-memory.dmp

Filesize
64KB

Download
memory/536-5-0x00000000051A0000-0x00000000051AA000-memory.dmp

Filesize
40KB

Download
memory/536-6-0x0000000005400000-0x0000000005408000-memory.dmp

Filesize
32KB

Download
memory/536-7-0x0000000007D20000-0x0000000007D78000-memory.dmp

Filesize
352KB

Download
memory/536-2-0x00000000056E0000-0x0000000005C84000-memory.dmp

Filesize
5.6MB

Download
memory/536-0-0x0000000000710000-0x0000000000790000-memory.dmp

Filesize
512KB

Download
memory/2288-20-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/2288-11-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/2288-13-0x0000000005740000-0x0000000005750000-memory.dmp

Filesize
64KB

Download
memory/2288-14-0x0000000005590000-0x00000000055A8000-memory.dmp

Filesize
96KB

Download
memory/2288-15-0x0000000006460000-0x00000000064C6000-memory.dmp

Filesize
408KB

Download
memory/2288-17-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/2288-18-0x0000000005740000-0x0000000005750000-memory.dmp

Filesize
64KB

Download
memory/2288-19-0x0000000006C30000-0x0000000006C80000-memory.dmp

Filesize
320KB

Download
memory/2288-9-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads