agenttesla | b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8

Analysis

max time kernel
140s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231130-en
resource tags

arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2023 19:46

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General

Target

b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe
Size

700KB
MD5

573eabd03eb34d02b98e4e2403e2b8c7
SHA1

76691bbc40f02ecfa50b81932f23f17efe257915
SHA256

b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8
SHA512

06847d8f67a9fde47dac66fad33e2c14e17d744921b7d0c0c47521e7f7c26aef7624a746c31fff8da9e3f6a071c9842e7c8f79bf1327f95e5b929c96f3bd3c3f
SSDEEP

12288:NMeQaueH5qcFmyvE3EPnqeX6OdardDLynalRH1ycZUWwlJukj53rdYyZiVlGT27v:N5qcFmys3EPnqeDYtzlTnSzZhYyz1q

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.amtechcards.com
Port:
587
Username:
[email protected]
Password:
]i[a(tUWlmp%
Email To:
[email protected]

Signatures

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

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Control Panel\International\Geo\Nation	b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AmGHOWg = "C:\\Users\\Admin\\AppData\\Roaming\\AmGHOWg\\AmGHOWg.exe"	RegSvcs.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
39	api.ipify.org
40	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1692 set thread context of 1616	1692	b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe	98

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3812	1616	WerFault.exe	98

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/Job

T1053

pid	Process
4500	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1692	b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe
2680	powershell.exe
1692	b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe
1692	b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe
1692	b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe
1616	RegSvcs.exe
1616	RegSvcs.exe
2680	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1692	b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe
Token: SeDebugPrivilege	2680	powershell.exe
Token: SeDebugPrivilege	1616	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 2680	1692	b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe	93
PID 1692 wrote to memory of 2680	1692	b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe	93
PID 1692 wrote to memory of 2680	1692	b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe	93
PID 1692 wrote to memory of 4500	1692	b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe	95
PID 1692 wrote to memory of 4500	1692	b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe	95
PID 1692 wrote to memory of 4500	1692	b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe	95
PID 1692 wrote to memory of 1048	1692	b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe	97
PID 1692 wrote to memory of 1048	1692	b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe	97
PID 1692 wrote to memory of 1048	1692	b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe	97
PID 1692 wrote to memory of 1616	1692	b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe	98
PID 1692 wrote to memory of 1616	1692	b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe	98
PID 1692 wrote to memory of 1616	1692	b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe	98
PID 1692 wrote to memory of 1616	1692	b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe	98
PID 1692 wrote to memory of 1616	1692	b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe	98
PID 1692 wrote to memory of 1616	1692	b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe	98
PID 1692 wrote to memory of 1616	1692	b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe	98
PID 1692 wrote to memory of 1616	1692	b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe	98

C:\Users\Admin\AppData\Local\Temp\b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe
"C:\Users\Admin\AppData\Local\Temp\b77223fc6268c1558db0bf8c74024c83aa08c6f6adbd10740da756ff4849dec8exe.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1692
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nXBPha.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2680
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nXBPha" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8AAC.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4500
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:1048
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1616
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1616 -s 2064
    3⤵
    - Program crash
    PID:3812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1616 -ip 1616
1⤵
PID:3924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_eadsoc4k.bat.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8AAC.tmp

Filesize
1KB

MD5
e8da0ead507c2af4e9f80ab4a245926e

SHA1
b06c8eff98bf46468931e043d01a0a947be2f03f

SHA256
818ff6e65758544c904d110f4dc858c05b757f980a3d869dfa583cd5a8432295

SHA512
f49ecb71bc98d8cd6935c4d275677f1aafc85bb4562298caca348785abae3c6fa851741e29c4daf21b96630340ab68562201f8c6b7b0e17e9dc413334247494d

Download Submit
memory/1616-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1616-38-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/1616-70-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/1692-4-0x0000000007890000-0x00000000078A0000-memory.dmp

Filesize
64KB

Download
memory/1692-5-0x0000000007620000-0x000000000762A000-memory.dmp

Filesize
40KB

Download
memory/1692-7-0x0000000004BC0000-0x0000000004BC8000-memory.dmp

Filesize
32KB

Download
memory/1692-8-0x0000000004BD0000-0x0000000004BDA000-memory.dmp

Filesize
40KB

Download
memory/1692-9-0x0000000007A80000-0x0000000007AFC000-memory.dmp

Filesize
496KB

Download
memory/1692-10-0x00000000063B0000-0x000000000644C000-memory.dmp

Filesize
624KB

Download
memory/1692-0-0x00000000006B0000-0x0000000000764000-memory.dmp

Filesize
720KB

Download
memory/1692-6-0x0000000004B80000-0x0000000004B9A000-memory.dmp

Filesize
104KB

Download
memory/1692-25-0x0000000007890000-0x00000000078A0000-memory.dmp

Filesize
64KB

Download
memory/1692-21-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/1692-3-0x0000000007640000-0x00000000076D2000-memory.dmp

Filesize
584KB

Download
memory/1692-2-0x0000000007B10000-0x00000000080B4000-memory.dmp

Filesize
5.6MB

Download
memory/1692-37-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/1692-1-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/2680-15-0x0000000004CF0000-0x0000000004D26000-memory.dmp

Filesize
216KB

Download
memory/2680-54-0x0000000006830000-0x000000000684E000-memory.dmp

Filesize
120KB

Download
memory/2680-23-0x0000000004DA0000-0x0000000004DB0000-memory.dmp

Filesize
64KB

Download
memory/2680-17-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/2680-36-0x0000000005DA0000-0x0000000005E06000-memory.dmp

Filesize
408KB

Download
memory/2680-39-0x0000000005E10000-0x0000000006164000-memory.dmp

Filesize
3.3MB

Download
memory/2680-26-0x0000000005BC0000-0x0000000005C26000-memory.dmp

Filesize
408KB

Download
memory/2680-19-0x0000000004DA0000-0x0000000004DB0000-memory.dmp

Filesize
64KB

Download
memory/2680-40-0x0000000006290000-0x00000000062AE000-memory.dmp

Filesize
120KB

Download
memory/2680-41-0x00000000062F0000-0x000000000633C000-memory.dmp

Filesize
304KB

Download
memory/2680-44-0x0000000071920000-0x000000007196C000-memory.dmp

Filesize
304KB

Download
memory/2680-55-0x0000000004DA0000-0x0000000004DB0000-memory.dmp

Filesize
64KB

Download
memory/2680-56-0x00000000074F0000-0x0000000007593000-memory.dmp

Filesize
652KB

Download
memory/2680-20-0x00000000052E0000-0x0000000005302000-memory.dmp

Filesize
136KB

Download
memory/2680-43-0x0000000006870000-0x00000000068A2000-memory.dmp

Filesize
200KB

Download
memory/2680-42-0x000000007FC90000-0x000000007FCA0000-memory.dmp

Filesize
64KB

Download
memory/2680-57-0x0000000007C20000-0x000000000829A000-memory.dmp

Filesize
6.5MB

Download
memory/2680-58-0x00000000075D0000-0x00000000075EA000-memory.dmp

Filesize
104KB

Download
memory/2680-59-0x0000000007640000-0x000000000764A000-memory.dmp

Filesize
40KB

Download
memory/2680-60-0x0000000007850000-0x00000000078E6000-memory.dmp

Filesize
600KB

Download
memory/2680-61-0x00000000077D0000-0x00000000077E1000-memory.dmp

Filesize
68KB

Download
memory/2680-62-0x0000000007800000-0x000000000780E000-memory.dmp

Filesize
56KB

Download
memory/2680-63-0x0000000007810000-0x0000000007824000-memory.dmp

Filesize
80KB

Download
memory/2680-64-0x0000000007910000-0x000000000792A000-memory.dmp

Filesize
104KB

Download
memory/2680-65-0x00000000078F0000-0x00000000078F8000-memory.dmp

Filesize
32KB

Download
memory/2680-68-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/2680-18-0x00000000053E0000-0x0000000005A08000-memory.dmp

Filesize
6.2MB

Download