agenttesla | 722b069d08948799ab9e673a1759761d2e501da9b1ad892e3353d75ffe83bd6c

General

Target

PO-IB5708.exe
Size

9KB
MD5

356ad1420a3fc7751cb82a5de56133d7
SHA1

ade826338ee78d25ea705587c237bedc31ae960c
SHA256

722b069d08948799ab9e673a1759761d2e501da9b1ad892e3353d75ffe83bd6c
SHA512

ceaf925295f733f04a4fb65ee102f4b78992492be0d9b779d5bf613108aa0269cfac96f81cb3b0f420ae0495eb4ee840a9b17f3028e2aef370defdceeced8373
SSDEEP

96:DvjTnr2DrIsnldpY5ULU3UZrG4AkDdXp3WNtW1jYcFoNVcz1W4oKYMsLYUa:jS8Aln/LQUw4RJp8stYcFmVc03KY

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.hyrim.my
Port:
587
Username:
[email protected]
Password:
1fDR9FtVF-OS
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

Processes:

PO-IB5708.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	PO-IB5708.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

PO-IB5708.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-IB5708.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-IB5708.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-IB5708.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PO-IB5708.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Grubve = "\"C:\\Users\\Admin\\AppData\\Roaming\\Mfxclgch\\Grubve.exe\""	PO-IB5708.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.

Processes:

flow ioc

53 api.ipify.org
54 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

PO-IB5708.exe

description pid process target process

PID 2376 set thread context of 4036 2376 PO-IB5708.exe PO-IB5708.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

flow	ioc
53	api.ipify.org
54	api.ipify.org

description	pid	process	target process
PID 2376 set thread context of 4036	2376	PO-IB5708.exe	PO-IB5708.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exePO-IB5708.exePO-IB5708.exe

pid	process
5008	powershell.exe
5008	powershell.exe
2376	PO-IB5708.exe
2376	PO-IB5708.exe
2376	PO-IB5708.exe
2376	PO-IB5708.exe
4036	PO-IB5708.exe
4036	PO-IB5708.exe
4036	PO-IB5708.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

PO-IB5708.exepowershell.exePO-IB5708.exe

description pid process

Token: SeDebugPrivilege 2376 PO-IB5708.exe
Token: SeDebugPrivilege 5008 powershell.exe
Token: SeDebugPrivilege 4036 PO-IB5708.exe

description	pid	process
Token: SeDebugPrivilege	2376	PO-IB5708.exe
Token: SeDebugPrivilege	5008	powershell.exe
Token: SeDebugPrivilege	4036	PO-IB5708.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

PO-IB5708.exe

description	pid	process	target process
PID 2376 wrote to memory of 5008	2376	PO-IB5708.exe	powershell.exe
PID 2376 wrote to memory of 5008	2376	PO-IB5708.exe	powershell.exe
PID 2376 wrote to memory of 5008	2376	PO-IB5708.exe	powershell.exe
PID 2376 wrote to memory of 3920	2376	PO-IB5708.exe	PO-IB5708.exe
PID 2376 wrote to memory of 3920	2376	PO-IB5708.exe	PO-IB5708.exe
PID 2376 wrote to memory of 3920	2376	PO-IB5708.exe	PO-IB5708.exe
PID 2376 wrote to memory of 4000	2376	PO-IB5708.exe	PO-IB5708.exe
PID 2376 wrote to memory of 4000	2376	PO-IB5708.exe	PO-IB5708.exe
PID 2376 wrote to memory of 4000	2376	PO-IB5708.exe	PO-IB5708.exe
PID 2376 wrote to memory of 4036	2376	PO-IB5708.exe	PO-IB5708.exe
PID 2376 wrote to memory of 4036	2376	PO-IB5708.exe	PO-IB5708.exe
PID 2376 wrote to memory of 4036	2376	PO-IB5708.exe	PO-IB5708.exe
PID 2376 wrote to memory of 4036	2376	PO-IB5708.exe	PO-IB5708.exe
PID 2376 wrote to memory of 4036	2376	PO-IB5708.exe	PO-IB5708.exe
PID 2376 wrote to memory of 4036	2376	PO-IB5708.exe	PO-IB5708.exe
PID 2376 wrote to memory of 4036	2376	PO-IB5708.exe	PO-IB5708.exe
PID 2376 wrote to memory of 4036	2376	PO-IB5708.exe	PO-IB5708.exe

outlook_office_path 1 IoCs

Processes:

PO-IB5708.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-IB5708.exe

outlook_win_path 1 IoCs

Processes:

PO-IB5708.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-IB5708.exe

C:\Users\Admin\AppData\Local\Temp\PO-IB5708.exe
"C:\Users\Admin\AppData\Local\Temp\PO-IB5708.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2376

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQA3AA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5008

C:\Users\Admin\AppData\Local\Temp\PO-IB5708.exe
C:\Users\Admin\AppData\Local\Temp\PO-IB5708.exe
2⤵
PID:3920

C:\Users\Admin\AppData\Local\Temp\PO-IB5708.exe
C:\Users\Admin\AppData\Local\Temp\PO-IB5708.exe
2⤵
PID:4000

C:\Users\Admin\AppData\Local\Temp\PO-IB5708.exe
C:\Users\Admin\AppData\Local\Temp\PO-IB5708.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4036

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO-IB5708.exe.log
Filesize
1KB

MD5
e87e48b105757e1c7563d1c719059733

SHA1
28a3f2b2e0672da2b531f4757d2b20b53032dafc

SHA256
0aaf22dc84cc3fcfe53de7ccfed8e662247dfb7f1a9967032c88790d0c663461

SHA512
bf19c5743143aee914a453c41189c722c9b90a5b8bf299cecf3e1f97656d32cd209ecb74da8aebc89bb41c27d189f73aaaabbc64fe383410c95dc76ad4218968

Download Submit
memory/2376-133-0x00000000057E0000-0x0000000005802000-memory.dmp

Filesize
136KB

Download
memory/2376-132-0x0000000000160000-0x0000000000168000-memory.dmp

Filesize
32KB

Download
memory/3920-142-0x0000000000000000-mapping.dmp

Download
memory/4000-143-0x0000000000000000-mapping.dmp

Download
memory/4036-147-0x0000000005870000-0x0000000005E14000-memory.dmp

Filesize
5.6MB

Download
memory/4036-144-0x0000000000000000-mapping.dmp

Download
memory/4036-151-0x0000000006D90000-0x0000000006D9A000-memory.dmp

Filesize
40KB

Download
memory/4036-150-0x0000000006BA0000-0x0000000006C32000-memory.dmp

Filesize
584KB

Download
memory/4036-149-0x00000000069E0000-0x0000000006A30000-memory.dmp

Filesize
320KB

Download
memory/4036-148-0x00000000052C0000-0x000000000535C000-memory.dmp

Filesize
624KB

Download
memory/4036-145-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/5008-141-0x0000000006B70000-0x0000000006B8A000-memory.dmp

Filesize
104KB

Download
memory/5008-136-0x0000000005810000-0x0000000005E38000-memory.dmp

Filesize
6.2MB

Download
memory/5008-135-0x0000000002D50000-0x0000000002D86000-memory.dmp

Filesize
216KB

Download
memory/5008-134-0x0000000000000000-mapping.dmp

Download
memory/5008-137-0x0000000005EB0000-0x0000000005F16000-memory.dmp

Filesize
408KB

Download
memory/5008-138-0x0000000006010000-0x0000000006076000-memory.dmp

Filesize
408KB

Download
memory/5008-140-0x0000000007EA0000-0x000000000851A000-memory.dmp

Filesize
6.5MB

Download
memory/5008-139-0x0000000006670000-0x000000000668E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads