agenttesla | c95706e9e36c1532f18cb25f4f98abab9164da9cfd25965f76ee3187dd95494e

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
04/07/2023, 13:18

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General

Target

POexe.exe
Size

609KB
MD5

3f7a1be06f9e81b2a64cd84dbf00039d
SHA1

adb70d3b81ac28fbb3b277fe7e75bdbd52ebada0
SHA256

c95706e9e36c1532f18cb25f4f98abab9164da9cfd25965f76ee3187dd95494e
SHA512

aeef19e54d7bf1c1071c1ba8585a3a8b010dbb5b43d04f65733f6b07030ed582563a6dd95898140ba45e70623c9bd564ddd4f6169136f4bdcb9528f5204f20fc
SSDEEP

12288:5/DzR6Raa0ydviUOqk+AwvW/TBAIKmbx/1G18Zx4m:ZsRaa0jUK+Aw+/1AIKmx1NZx4m

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot5757748605:AAHI9rc9CYWMivLuImcQ_ENpJzN7mD9DYis/

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-1-5-21-1722984668-1829624581-3022101259-1000\Control Panel\International\Geo\Nation	POexe.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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	POexe.exe
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	POexe.exe
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	POexe.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lWmOHpD = "C:\\Users\\Admin\\AppData\\Roaming\\lWmOHpD\\lWmOHpD.exe"	POexe.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
1	api.ipify.org
2	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4364 set thread context of 1680	4364	POexe.exe	86

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

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

pid	Process
3648	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4364	POexe.exe
1008	powershell.exe
1544	powershell.exe
4364	POexe.exe
1008	powershell.exe
1544	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4364	POexe.exe
Token: SeDebugPrivilege	1008	powershell.exe
Token: SeDebugPrivilege	1544	powershell.exe
Token: SeDebugPrivilege	1680	POexe.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4364 wrote to memory of 1544	4364	POexe.exe	80
PID 4364 wrote to memory of 1544	4364	POexe.exe	80
PID 4364 wrote to memory of 1544	4364	POexe.exe	80
PID 4364 wrote to memory of 1008	4364	POexe.exe	82
PID 4364 wrote to memory of 1008	4364	POexe.exe	82
PID 4364 wrote to memory of 1008	4364	POexe.exe	82
PID 4364 wrote to memory of 3648	4364	POexe.exe	84
PID 4364 wrote to memory of 3648	4364	POexe.exe	84
PID 4364 wrote to memory of 3648	4364	POexe.exe	84
PID 4364 wrote to memory of 1680	4364	POexe.exe	86
PID 4364 wrote to memory of 1680	4364	POexe.exe	86
PID 4364 wrote to memory of 1680	4364	POexe.exe	86
PID 4364 wrote to memory of 1680	4364	POexe.exe	86
PID 4364 wrote to memory of 1680	4364	POexe.exe	86
PID 4364 wrote to memory of 1680	4364	POexe.exe	86
PID 4364 wrote to memory of 1680	4364	POexe.exe	86
PID 4364 wrote to memory of 1680	4364	POexe.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	POexe.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	POexe.exe

C:\Users\Admin\AppData\Local\Temp\POexe.exe
"C:\Users\Admin\AppData\Local\Temp\POexe.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4364
- 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\POexe.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1544
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tFNfTrEp.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1008
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tFNfTrEp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp21EB.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3648
- C:\Users\Admin\AppData\Local\Temp\POexe.exe
  "C:\Users\Admin\AppData\Local\Temp\POexe.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1680

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
31d7cc7953c3a0f7a22d956bf0faf8d9

SHA1
a4bd7e97f17db1cdaea7812a1c4e8c9777cbfefb

SHA256
5a4a3926fe89843fcb4371887325ecb025573f55f7e0d93a93a8038b7886b2f4

SHA512
bb8c6730ec8cb27c9bb0770bba87bf3d46817e11fe7a02e587e8d4f2fd40e5ea35900da21d5de5083d3eeb524e21fb64cb0258879299258b109cd8a4fc6d6605

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ugq4mv5v.k33.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp21EB.tmp

Filesize
1KB

MD5
d1de92dabb48c8c296e60f965e01041d

SHA1
ae2bacd5aa6a6b234579bdc62f402d2b1a7230a5

SHA256
8eea20f00dd65adada1313e2443ac038b007f5baf630e651ed204ed2aef5cf8c

SHA512
c2f34bb1c96a993b827ed3f69a8a69c32d35738981d49048f1e410ab94b8b6785c5834bf618a82892724e71be778e8c788de9a985587966df298139c747d7884

Download Submit
memory/1008-173-0x0000000006770000-0x000000000678E000-memory.dmp

Filesize
120KB

Download
memory/1008-174-0x0000000002E70000-0x0000000002E80000-memory.dmp

Filesize
64KB

Download
memory/1008-208-0x0000000007DB0000-0x0000000007DB8000-memory.dmp

Filesize
32KB

Download
memory/1008-207-0x0000000007DD0000-0x0000000007DEA000-memory.dmp

Filesize
104KB

Download
memory/1008-145-0x00000000058A0000-0x0000000005EC8000-memory.dmp

Filesize
6.2MB

Download
memory/1008-178-0x0000000002E70000-0x0000000002E80000-memory.dmp

Filesize
64KB

Download
memory/1008-147-0x0000000005F00000-0x0000000005F22000-memory.dmp

Filesize
136KB

Download
memory/1008-205-0x000000007FC30000-0x000000007FC40000-memory.dmp

Filesize
64KB

Download
memory/1008-204-0x0000000007D10000-0x0000000007DA6000-memory.dmp

Filesize
600KB

Download
memory/1008-202-0x00000000080D0000-0x000000000874A000-memory.dmp

Filesize
6.5MB

Download
memory/1008-191-0x0000000071930000-0x000000007197C000-memory.dmp

Filesize
304KB

Download
memory/1008-175-0x0000000002E70000-0x0000000002E80000-memory.dmp

Filesize
64KB

Download
memory/1544-148-0x0000000006220000-0x0000000006286000-memory.dmp

Filesize
408KB

Download
memory/1544-160-0x0000000006290000-0x00000000062F6000-memory.dmp

Filesize
408KB

Download
memory/1544-171-0x00000000054B0000-0x00000000054C0000-memory.dmp

Filesize
64KB

Download
memory/1544-144-0x0000000002FE0000-0x0000000003016000-memory.dmp

Filesize
216KB

Download
memory/1544-206-0x0000000007E40000-0x0000000007E4E000-memory.dmp

Filesize
56KB

Download
memory/1544-177-0x00000000054B0000-0x00000000054C0000-memory.dmp

Filesize
64KB

Download
memory/1544-203-0x0000000007C80000-0x0000000007C8A000-memory.dmp

Filesize
40KB

Download
memory/1544-179-0x0000000071930000-0x000000007197C000-memory.dmp

Filesize
304KB

Download
memory/1544-172-0x00000000054B0000-0x00000000054C0000-memory.dmp

Filesize
64KB

Download
memory/1544-180-0x000000007FA30000-0x000000007FA40000-memory.dmp

Filesize
64KB

Download
memory/1544-190-0x0000000007860000-0x000000000787E000-memory.dmp

Filesize
120KB

Download
memory/1544-176-0x0000000007880000-0x00000000078B2000-memory.dmp

Filesize
200KB

Download
memory/1544-201-0x0000000007C10000-0x0000000007C2A000-memory.dmp

Filesize
104KB

Download
memory/1680-155-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1680-170-0x0000000004D60000-0x0000000004D70000-memory.dmp

Filesize
64KB

Download
memory/1680-215-0x00000000069C0000-0x0000000006A10000-memory.dmp

Filesize
320KB

Download
memory/1680-216-0x0000000006BE0000-0x0000000006DA2000-memory.dmp

Filesize
1.8MB

Download
memory/1680-217-0x0000000004D60000-0x0000000004D70000-memory.dmp

Filesize
64KB

Download
memory/4364-137-0x0000000005A30000-0x0000000005A3A000-memory.dmp

Filesize
40KB

Download
memory/4364-138-0x0000000005AB0000-0x0000000005AC0000-memory.dmp

Filesize
64KB

Download
memory/4364-136-0x0000000005AB0000-0x0000000005AC0000-memory.dmp

Filesize
64KB

Download
memory/4364-133-0x0000000000F10000-0x0000000000FAE000-memory.dmp

Filesize
632KB

Download
memory/4364-139-0x000000000AFB0000-0x000000000B04C000-memory.dmp

Filesize
624KB

Download
memory/4364-135-0x0000000005860000-0x00000000058F2000-memory.dmp

Filesize
584KB

Download
memory/4364-134-0x0000000005D30000-0x00000000062D4000-memory.dmp

Filesize
5.6MB

Download