agenttesla | 688caa06e305d2bd7218f806b5a5b21ec6ed4dda1284ae5c136f226be21735e9

Analysis

max time kernel
141s
max time network
134s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
22/02/2023, 08:26

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General

Target
PI 160256.exe
Size 296KB
Sample230222-kbvbysae25
SHA256 688caa06e305d2bd7218f806b5a5b21ec6ed4dda1284ae5c136f226be21735e9
MD5 1640f945f912d62132c9a2238a1a337a
SHA1 fd56d5a24d6bb38d4f5a51057b0fa7ff269b30a8
SHA512 7a0e4eeb1f935ab08a1cf043ab6be098ab4cde337968cc8cc96de8ae1d8060fad0227cdbd9ddbf8acc26725610efdda2f2658fd344b74012132f7882b8918428
SSDEEP 6144:vYa6VGbcObIDbfYNb/H56r/eDiCtP/wvzhPn0r5P5AwBzZ9U65mLtVUfZSb:vY3gzIrIb/H564uvzF0r5vlUcC
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot5662683474:AAFvSjyPXTiwhBPcFi8of3_-_FCdfhhN8x0/

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
1744	xmpegimi.exe
612	xmpegimi.exe

Loads dropped DLL 3 IoCs

pid	Process
1752	PI 160256.exe
1752	PI 160256.exe
1744	xmpegimi.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-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	xmpegimi.exe
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	xmpegimi.exe
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	xmpegimi.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows\CurrentVersion\Run\kgplueyi = "C:\\Users\\Admin\\AppData\\Roaming\\cuqa\\uenjscxhdmvrb.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\xmpegimi.exe\" C:\\Users\\Admin\\AppData\\Loca"	xmpegimi.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows\CurrentVersion\Run\XynDz = "C:\\Users\\Admin\\AppData\\Roaming\\XynDz\\XynDz.exe"	xmpegimi.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
3	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1744 set thread context of 612	1744	xmpegimi.exe	30

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

System Information Discovery
T1082

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1744	xmpegimi.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	612	xmpegimi.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 1744	1752	PI 160256.exe	28
PID 1752 wrote to memory of 1744	1752	PI 160256.exe	28
PID 1752 wrote to memory of 1744	1752	PI 160256.exe	28
PID 1752 wrote to memory of 1744	1752	PI 160256.exe	28
PID 1744 wrote to memory of 612	1744	xmpegimi.exe	30
PID 1744 wrote to memory of 612	1744	xmpegimi.exe	30
PID 1744 wrote to memory of 612	1744	xmpegimi.exe	30
PID 1744 wrote to memory of 612	1744	xmpegimi.exe	30
PID 1744 wrote to memory of 612	1744	xmpegimi.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	xmpegimi.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	xmpegimi.exe

C:\Users\Admin\AppData\Local\Temp\PI 160256.exe
"C:\Users\Admin\AppData\Local\Temp\PI 160256.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Users\Admin\AppData\Local\Temp\xmpegimi.exe
  "C:\Users\Admin\AppData\Local\Temp\xmpegimi.exe" C:\Users\Admin\AppData\Local\Temp\oxalzaivr.da
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1744
- - C:\Users\Admin\AppData\Local\Temp\xmpegimi.exe
    "C:\Users\Admin\AppData\Local\Temp\xmpegimi.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:612

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

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

Cab32C7.tmp

Path C:\Users\Admin\AppData\Local\Temp\Cab32C7.tmp
Size 61KB
SHA256 10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b
MD5 fc4666cbca561e864e7fdf883a9e6661
SHA1 2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5
SHA512 c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d
SSDEEP 1536:pvl2gmukMiArbge/oKIxf+Q9yNJLaRCfIElhUuDz:pvl2gmZhpehIxfJsJLawfIElhUu3
MD5 SHA1 SHA512 SSDEEP

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ixsghfz.uv

Path C:\Users\Admin\AppData\Local\Temp\ixsghfz.uv
Size 266KB
SHA256 145788e5b0fcce0f89e2078a2dea5667bba6fe413c0bf84dbf707e9d93f5d883
MD5 4b488f41313bb46bc2cb0d58c08e4334
SHA1 33539e0f2d0f5446c1429cf82fb845c6535342fa
SHA512 38021e7e1f5eaab085781fc9dee1e9555b171969cd0575ff6e169315621d60df0dcee44d548ea0c0f467cc4b8f1ab346d7549f33059d1f87fdcad42b387191d2
SSDEEP 6144:sVqHMBO0ten5VW3x7aawOTL9QAvcfT1sNONK:CqQO53W3x7aaz5QpfT2NONK
MD5 SHA1 SHA512 SSDEEP

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oxalzaivr.da

Path C:\Users\Admin\AppData\Local\Temp\oxalzaivr.da
Size 7KB
SHA256 ae90e033db925dd9f54d3f3521d0a87a7e257fa311243ceb10ca35fddbca475e
MD5 6c84339026b480a52b3e08a291d6708a
SHA1 0b8ab5be12656e132aaa0e0bad93b427021548c0
SHA512 adf7f34b5a6e8a97a73a350abb86e818fb0186fd55d274e704652dbeb408a3e33e7fc41a03ec53a4b4274b08df4db7c04a41750c6e6b65a1d693e7b3fe84d361
SSDEEP 192:darcitQvArWiPva8b9uEnD/GiQFM8g81cQVWxo9ntC8MmLh:uCYrNPva+1DulFc8fVlETm9
MD5 SHA1 SHA512 SSDEEP

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xmpegimi.exe

Path C:\Users\Admin\AppData\Local\Temp\xmpegimi.exe
Size 57KB
SHA256 365a2ae7207ec9ce16ed38ece078a210533b9c6fcf68ad33764a348016c10a60
MD5 fb6227379578ab281b0bf0a7416e7ca4
SHA1 45be54faecd721735f8d9fef1bbd59e2d46710f8
SHA512 efead95e92a312d52a65600e4dd105dd5af26a8834990ea39a1a4764b95683f3eba24e4a0d0af4a7f6a7a92cf3b2ae4ac515e693bc73091d1968676ac4bad4be
SSDEEP 768:mvrIQSGIrcxHkH5GeZrQklKpxzaLdL7cNa4inYBC34bPpzs6S/qLXWIt5:mkrcxEktVpx2x7cNapYwwPpk/qB5
MD5 SHA1 SHA512 SSDEEP

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xmpegimi.exe

Path C:\Users\Admin\AppData\Local\Temp\xmpegimi.exe
Size 57KB
SHA256 365a2ae7207ec9ce16ed38ece078a210533b9c6fcf68ad33764a348016c10a60
MD5 fb6227379578ab281b0bf0a7416e7ca4
SHA1 45be54faecd721735f8d9fef1bbd59e2d46710f8
SHA512 efead95e92a312d52a65600e4dd105dd5af26a8834990ea39a1a4764b95683f3eba24e4a0d0af4a7f6a7a92cf3b2ae4ac515e693bc73091d1968676ac4bad4be
SSDEEP 768:mvrIQSGIrcxHkH5GeZrQklKpxzaLdL7cNa4inYBC34bPpzs6S/qLXWIt5:mkrcxEktVpx2x7cNapYwwPpk/qB5
MD5 SHA1 SHA512 SSDEEP

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xmpegimi.exe

Path C:\Users\Admin\AppData\Local\Temp\xmpegimi.exe
Size 57KB
SHA256 365a2ae7207ec9ce16ed38ece078a210533b9c6fcf68ad33764a348016c10a60
MD5 fb6227379578ab281b0bf0a7416e7ca4
SHA1 45be54faecd721735f8d9fef1bbd59e2d46710f8
SHA512 efead95e92a312d52a65600e4dd105dd5af26a8834990ea39a1a4764b95683f3eba24e4a0d0af4a7f6a7a92cf3b2ae4ac515e693bc73091d1968676ac4bad4be
SSDEEP 768:mvrIQSGIrcxHkH5GeZrQklKpxzaLdL7cNa4inYBC34bPpzs6S/qLXWIt5:mkrcxEktVpx2x7cNapYwwPpk/qB5
MD5 SHA1 SHA512 SSDEEP

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xmpegimi.exe

Path C:\Users\Admin\AppData\Local\Temp\xmpegimi.exe
Size 57KB
SHA256 365a2ae7207ec9ce16ed38ece078a210533b9c6fcf68ad33764a348016c10a60
MD5 fb6227379578ab281b0bf0a7416e7ca4
SHA1 45be54faecd721735f8d9fef1bbd59e2d46710f8
SHA512 efead95e92a312d52a65600e4dd105dd5af26a8834990ea39a1a4764b95683f3eba24e4a0d0af4a7f6a7a92cf3b2ae4ac515e693bc73091d1968676ac4bad4be
SSDEEP 768:mvrIQSGIrcxHkH5GeZrQklKpxzaLdL7cNa4inYBC34bPpzs6S/qLXWIt5:mkrcxEktVpx2x7cNapYwwPpk/qB5
MD5 SHA1 SHA512 SSDEEP

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xmpegimi.exe

Path \Users\Admin\AppData\Local\Temp\xmpegimi.exe
Size 57KB
SHA256 365a2ae7207ec9ce16ed38ece078a210533b9c6fcf68ad33764a348016c10a60
MD5 fb6227379578ab281b0bf0a7416e7ca4
SHA1 45be54faecd721735f8d9fef1bbd59e2d46710f8
SHA512 efead95e92a312d52a65600e4dd105dd5af26a8834990ea39a1a4764b95683f3eba24e4a0d0af4a7f6a7a92cf3b2ae4ac515e693bc73091d1968676ac4bad4be
SSDEEP 768:mvrIQSGIrcxHkH5GeZrQklKpxzaLdL7cNa4inYBC34bPpzs6S/qLXWIt5:mkrcxEktVpx2x7cNapYwwPpk/qB5
MD5 SHA1 SHA512 SSDEEP

Submit Download

xmpegimi.exe

Path \Users\Admin\AppData\Local\Temp\xmpegimi.exe
Size 57KB
SHA256 365a2ae7207ec9ce16ed38ece078a210533b9c6fcf68ad33764a348016c10a60
MD5 fb6227379578ab281b0bf0a7416e7ca4
SHA1 45be54faecd721735f8d9fef1bbd59e2d46710f8
SHA512 efead95e92a312d52a65600e4dd105dd5af26a8834990ea39a1a4764b95683f3eba24e4a0d0af4a7f6a7a92cf3b2ae4ac515e693bc73091d1968676ac4bad4be
SSDEEP 768:mvrIQSGIrcxHkH5GeZrQklKpxzaLdL7cNa4inYBC34bPpzs6S/qLXWIt5:mkrcxEktVpx2x7cNapYwwPpk/qB5
MD5 SHA1 SHA512 SSDEEP

Submit Download

xmpegimi.exe

Path \Users\Admin\AppData\Local\Temp\xmpegimi.exe
Size 57KB
SHA256 365a2ae7207ec9ce16ed38ece078a210533b9c6fcf68ad33764a348016c10a60
MD5 fb6227379578ab281b0bf0a7416e7ca4
SHA1 45be54faecd721735f8d9fef1bbd59e2d46710f8
SHA512 efead95e92a312d52a65600e4dd105dd5af26a8834990ea39a1a4764b95683f3eba24e4a0d0af4a7f6a7a92cf3b2ae4ac515e693bc73091d1968676ac4bad4be
SSDEEP 768:mvrIQSGIrcxHkH5GeZrQklKpxzaLdL7cNa4inYBC34bPpzs6S/qLXWIt5:mkrcxEktVpx2x7cNapYwwPpk/qB5
MD5 SHA1 SHA512 SSDEEP

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memory/612-69-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/612-72-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/612-74-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/612-75-0x0000000004600000-0x0000000004640000-memory.dmp

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memory/612-76-0x0000000000850000-0x0000000000880000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads