agenttesla | 743e9ab3afececaddd02c6402d7099f7e5c19f54799225f396c6808da207e78a

General

Target

TransportLabel_1009893562_pdf.exe
Size

790KB
MD5

5ea10085db645a0c943cae3e079c1365
SHA1

39477e60fe3a1a0365e36e82988f61aa858b928e
SHA256

743e9ab3afececaddd02c6402d7099f7e5c19f54799225f396c6808da207e78a
SHA512

241a79d8e137de843c3f053723ac34bc19f6ac4c37060c97f8b9dabb9c75f764330472eae8536dc922179f111ea5070bddfcd98cb8a9047821fcb233b5fac976
SSDEEP

24576:EcVZ9QGb2Zz4Ps43botB1bBqIwW3ZNC4Mj:33uOlopbQgpg

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.valtronics-ae.com
Port:
587
Username:
[email protected]
Password:
YTMIlIR0
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-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation	TransportLabel_1009893562_pdf.exe

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TransportLabel_1009893562_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TransportLabel_1009893562_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TransportLabel_1009893562_pdf.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
33	api.ipify.org
32	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3700 set thread context of 4460	3700	TransportLabel_1009893562_pdf.exe	92

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1288	powershell.exe
1288	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4460	TransportLabel_1009893562_pdf.exe
Token: SeDebugPrivilege	1288	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3700 wrote to memory of 1288	3700	TransportLabel_1009893562_pdf.exe	90
PID 3700 wrote to memory of 1288	3700	TransportLabel_1009893562_pdf.exe	90
PID 3700 wrote to memory of 1288	3700	TransportLabel_1009893562_pdf.exe	90
PID 3700 wrote to memory of 4460	3700	TransportLabel_1009893562_pdf.exe	92
PID 3700 wrote to memory of 4460	3700	TransportLabel_1009893562_pdf.exe	92
PID 3700 wrote to memory of 4460	3700	TransportLabel_1009893562_pdf.exe	92
PID 3700 wrote to memory of 4460	3700	TransportLabel_1009893562_pdf.exe	92
PID 3700 wrote to memory of 4460	3700	TransportLabel_1009893562_pdf.exe	92
PID 3700 wrote to memory of 4460	3700	TransportLabel_1009893562_pdf.exe	92
PID 3700 wrote to memory of 4460	3700	TransportLabel_1009893562_pdf.exe	92
PID 3700 wrote to memory of 4460	3700	TransportLabel_1009893562_pdf.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TransportLabel_1009893562_pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TransportLabel_1009893562_pdf.exe

C:\Users\Admin\AppData\Local\Temp\TransportLabel_1009893562_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\TransportLabel_1009893562_pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3700
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\TransportLabel_1009893562_pdf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1288
- C:\Users\Admin\AppData\Local\Temp\TransportLabel_1009893562_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\TransportLabel_1009893562_pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4460

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\TransportLabel_1009893562_pdf.exe.log

Filesize
1KB

MD5
b7b9acb869ccc7f7ecb5304ec0384dee

SHA1
6a90751c95817903ee833d59a0abbef425a613b3

SHA256
8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4

SHA512
7bec881ac5f59ac26f1be1e7e26d63f040c06369de10c1c246e531a4395d27c335d9acc647ecdedb48ed37bdc2dc405a4cfc11762e1c00659a49be259eaf8764

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rdritxuq.dwl.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1288-150-0x00000000059F0000-0x0000000005A56000-memory.dmp

Filesize
408KB

Download
memory/1288-160-0x0000000006200000-0x000000000621E000-memory.dmp

Filesize
120KB

Download
memory/1288-182-0x0000000007820000-0x0000000007828000-memory.dmp

Filesize
32KB

Download
memory/1288-181-0x0000000007840000-0x000000000785A000-memory.dmp

Filesize
104KB

Download
memory/1288-180-0x0000000007730000-0x000000000773E000-memory.dmp

Filesize
56KB

Download
memory/1288-179-0x0000000007780000-0x0000000007816000-memory.dmp

Filesize
600KB

Download
memory/1288-178-0x0000000007570000-0x000000000757A000-memory.dmp

Filesize
40KB

Download
memory/1288-143-0x0000000004C30000-0x0000000004C66000-memory.dmp

Filesize
216KB

Download
memory/1288-145-0x00000000053C0000-0x00000000059E8000-memory.dmp

Filesize
6.2MB

Download
memory/1288-177-0x000000007F410000-0x000000007F420000-memory.dmp

Filesize
64KB

Download
memory/1288-176-0x0000000007500000-0x000000000751A000-memory.dmp

Filesize
104KB

Download
memory/1288-146-0x0000000004C80000-0x0000000004C90000-memory.dmp

Filesize
64KB

Download
memory/1288-144-0x0000000004C80000-0x0000000004C90000-memory.dmp

Filesize
64KB

Download
memory/1288-149-0x0000000005320000-0x0000000005342000-memory.dmp

Filesize
136KB

Download
memory/1288-175-0x0000000007B50000-0x00000000081CA000-memory.dmp

Filesize
6.5MB

Download
memory/1288-173-0x00000000067B0000-0x00000000067CE000-memory.dmp

Filesize
120KB

Download
memory/1288-162-0x00000000071D0000-0x0000000007202000-memory.dmp

Filesize
200KB

Download
memory/1288-161-0x0000000004C80000-0x0000000004C90000-memory.dmp

Filesize
64KB

Download
memory/1288-163-0x00000000701D0000-0x000000007021C000-memory.dmp

Filesize
304KB

Download
memory/3700-134-0x00000000058C0000-0x0000000005E64000-memory.dmp

Filesize
5.6MB

Download
memory/3700-133-0x00000000007A0000-0x000000000086C000-memory.dmp

Filesize
816KB

Download
memory/3700-136-0x0000000005760000-0x000000000576A000-memory.dmp

Filesize
40KB

Download
memory/3700-135-0x0000000005200000-0x0000000005292000-memory.dmp

Filesize
584KB

Download
memory/3700-139-0x0000000007790000-0x000000000782C000-memory.dmp

Filesize
624KB

Download
memory/3700-138-0x00000000051E0000-0x00000000051F0000-memory.dmp

Filesize
64KB

Download
memory/3700-137-0x00000000051E0000-0x00000000051F0000-memory.dmp

Filesize
64KB

Download
memory/4460-174-0x00000000073C0000-0x0000000007410000-memory.dmp

Filesize
320KB

Download
memory/4460-148-0x0000000005A40000-0x0000000005A50000-memory.dmp

Filesize
64KB

Download
memory/4460-147-0x00000000058A0000-0x0000000005906000-memory.dmp

Filesize
408KB

Download
memory/4460-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4460-185-0x0000000005A40000-0x0000000005A50000-memory.dmp

Filesize
64KB

Download

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