agenttesla | f154ccb1d9e7b8fe43b53c055b89ba3bb6b4626ba307c56225287a4e8495754b

Analysis

max time kernel
121s
max time network
129s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/06/2024, 06:29

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General

Target

crypted file.exe
Size

708KB
MD5

e0026df83e1aa08616a11d9104faad46
SHA1

1740312c7651b432fa0ab47819919ec034f8c67b
SHA256

f154ccb1d9e7b8fe43b53c055b89ba3bb6b4626ba307c56225287a4e8495754b
SHA512

6564396ef6b396ae3ee367e6285924d04b4ee2171af4c58c195a61a1a2093adee4baea01e36e58a616fd70257119945666d95f3a943c0e057f1ec66fb64eeb29
SSDEEP

12288:mYV6MorX7qzuC3QHO9FQVHPF51jgcq556I95wyWr5vkTj5+u4Q3lfT1VP9v:lBXu9HGaVHpm5fWrBkToEV71v

Score

10^/10

agenttesla keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

https://discord.com/api/webhooks/1251110202149699625/eDNZWTFoHBDo8HXw0aunmvGeBWciM4C8KyCpUHy9gEFPn1XyMs30gAsSjfRX6u9Vnuig

Signatures

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

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1924-0-0x0000000001110000-0x000000000129F000-memory.dmp	upx
behavioral1/memory/1924-13-0x0000000002A70000-0x0000000002BFF000-memory.dmp	upx
behavioral1/memory/1924-14-0x0000000001110000-0x000000000129F000-memory.dmp	upx
behavioral1/memory/3012-15-0x0000000001110000-0x000000000129F000-memory.dmp	upx
behavioral1/memory/3012-31-0x0000000001110000-0x000000000129F000-memory.dmp	upx
behavioral1/memory/3012-1219-0x0000000001110000-0x000000000129F000-memory.dmp	upx

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
6	discord.com
7	discord.com

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
5	api.ipify.org
4	api.ipify.org

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1924-14-0x0000000001110000-0x000000000129F000-memory.dmp	autoit_exe
behavioral1/memory/3012-31-0x0000000001110000-0x000000000129F000-memory.dmp	autoit_exe
behavioral1/memory/3012-1219-0x0000000001110000-0x000000000129F000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3012 set thread context of 2544	3012	crypted file.exe	30

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2544	RegSvcs.exe
2544	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1924	crypted file.exe
3012	crypted file.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2544	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1924	crypted file.exe
1924	crypted file.exe
3012	crypted file.exe
3012	crypted file.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1924	crypted file.exe
1924	crypted file.exe
3012	crypted file.exe
3012	crypted file.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2544	RegSvcs.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 2332	1924	crypted file.exe	28
PID 1924 wrote to memory of 2332	1924	crypted file.exe	28
PID 1924 wrote to memory of 2332	1924	crypted file.exe	28
PID 1924 wrote to memory of 2332	1924	crypted file.exe	28
PID 1924 wrote to memory of 2332	1924	crypted file.exe	28
PID 1924 wrote to memory of 2332	1924	crypted file.exe	28
PID 1924 wrote to memory of 2332	1924	crypted file.exe	28
PID 1924 wrote to memory of 3012	1924	crypted file.exe	29
PID 1924 wrote to memory of 3012	1924	crypted file.exe	29
PID 1924 wrote to memory of 3012	1924	crypted file.exe	29
PID 1924 wrote to memory of 3012	1924	crypted file.exe	29
PID 3012 wrote to memory of 2544	3012	crypted file.exe	30
PID 3012 wrote to memory of 2544	3012	crypted file.exe	30
PID 3012 wrote to memory of 2544	3012	crypted file.exe	30
PID 3012 wrote to memory of 2544	3012	crypted file.exe	30
PID 3012 wrote to memory of 2544	3012	crypted file.exe	30
PID 3012 wrote to memory of 2544	3012	crypted file.exe	30
PID 3012 wrote to memory of 2544	3012	crypted file.exe	30
PID 3012 wrote to memory of 2544	3012	crypted file.exe	30

C:\Users\Admin\AppData\Local\Temp\crypted file.exe
"C:\Users\Admin\AppData\Local\Temp\crypted file.exe"
1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\crypted file.exe"
  2⤵
  PID:2332
- C:\Users\Admin\AppData\Local\Temp\crypted file.exe
  "C:\Users\Admin\AppData\Local\Temp\crypted file.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:3012
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\crypted file.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar37D9.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1924-0-0x0000000001110000-0x000000000129F000-memory.dmp

Filesize
1.6MB

Download
memory/1924-11-0x0000000000120000-0x0000000000124000-memory.dmp

Filesize
16KB

Download
memory/1924-13-0x0000000002A70000-0x0000000002BFF000-memory.dmp

Filesize
1.6MB

Download
memory/1924-14-0x0000000001110000-0x000000000129F000-memory.dmp

Filesize
1.6MB

Download
memory/2544-81-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-71-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-32-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2544-33-0x000000007482E000-0x000000007482F000-memory.dmp

Filesize
4KB

Download
memory/2544-34-0x0000000000BB0000-0x0000000000C08000-memory.dmp

Filesize
352KB

Download
memory/2544-35-0x0000000074820000-0x0000000074F0E000-memory.dmp

Filesize
6.9MB

Download
memory/2544-36-0x0000000000CC0000-0x0000000000D16000-memory.dmp

Filesize
344KB

Download
memory/2544-37-0x0000000074820000-0x0000000074F0E000-memory.dmp

Filesize
6.9MB

Download
memory/2544-77-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-59-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-38-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-198-0x0000000074820000-0x0000000074F0E000-memory.dmp

Filesize
6.9MB

Download
memory/2544-95-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-93-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-91-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-89-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-87-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-85-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-83-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-28-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2544-79-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-75-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-74-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-30-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2544-69-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-67-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-65-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-63-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-61-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-57-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-55-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-53-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-51-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-49-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-47-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-45-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-43-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-41-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-39-0x0000000000CC0000-0x0000000000D11000-memory.dmp

Filesize
324KB

Download
memory/2544-1181-0x0000000074820000-0x0000000074F0E000-memory.dmp

Filesize
6.9MB

Download
memory/2544-1221-0x0000000074820000-0x0000000074F0E000-memory.dmp

Filesize
6.9MB

Download
memory/2544-1220-0x000000007482E000-0x000000007482F000-memory.dmp

Filesize
4KB

Download
memory/3012-1219-0x0000000001110000-0x000000000129F000-memory.dmp

Filesize
1.6MB

Download
memory/3012-31-0x0000000001110000-0x000000000129F000-memory.dmp

Filesize
1.6MB

Download
memory/3012-15-0x0000000001110000-0x000000000129F000-memory.dmp

Filesize
1.6MB

Download