agenttesla | 33688ef783b3f8913608927cc25e28bb4a7097a2636d734af213956c60178784

Analysis

max time kernel
89s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
17/03/2023, 20:54

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General

Target

tmp.exe
Size

909KB
MD5

ad0fd8c49bd571cba00267ef88851d73
SHA1

b782e7495fe3a56bb3ab63d65d24d3c7535870ad
SHA256

33688ef783b3f8913608927cc25e28bb4a7097a2636d734af213956c60178784
SHA512

91f0c70a7b564d69ee89dee3837517b07ea9a38789d0b8214563d0fddbc809737a3dcb2f2f34d267bb4251bab9a26fa2df4912eda5c2b483b7ed30bfc6f21502
SSDEEP

24576:uuOZ6wGkB+e9uf8SnDhrvQ/UhuPRIwlqr9O:JDxQshuPto9O

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.valtronics-ae.com
Port:
587
Username:
[email protected]
Password:
YTMIlIR0

Signatures

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

AgentTesla payload 6 IoCs

resource	yara_rule
behavioral1/memory/1552-70-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1552-71-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1552-73-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1552-75-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1552-77-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1552-78-0x0000000004AA0000-0x0000000004AE0000-memory.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1408 set thread context of 1552	1408	tmp.exe	35

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

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
1684	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1408	tmp.exe
1408	tmp.exe
1408	tmp.exe
1408	tmp.exe
1408	tmp.exe
1408	tmp.exe
1408	tmp.exe
1408	tmp.exe
1552	RegSvcs.exe
1552	RegSvcs.exe
616	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1408	tmp.exe
Token: SeDebugPrivilege	1552	RegSvcs.exe
Token: SeDebugPrivilege	616	powershell.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 1408 wrote to memory of 616	1408	tmp.exe	28
PID 1408 wrote to memory of 616	1408	tmp.exe	28
PID 1408 wrote to memory of 616	1408	tmp.exe	28
PID 1408 wrote to memory of 616	1408	tmp.exe	28
PID 1408 wrote to memory of 1684	1408	tmp.exe	30
PID 1408 wrote to memory of 1684	1408	tmp.exe	30
PID 1408 wrote to memory of 1684	1408	tmp.exe	30
PID 1408 wrote to memory of 1684	1408	tmp.exe	30
PID 1408 wrote to memory of 888	1408	tmp.exe	32
PID 1408 wrote to memory of 888	1408	tmp.exe	32
PID 1408 wrote to memory of 888	1408	tmp.exe	32
PID 1408 wrote to memory of 888	1408	tmp.exe	32
PID 1408 wrote to memory of 888	1408	tmp.exe	32
PID 1408 wrote to memory of 888	1408	tmp.exe	32
PID 1408 wrote to memory of 888	1408	tmp.exe	32
PID 1408 wrote to memory of 960	1408	tmp.exe	33
PID 1408 wrote to memory of 960	1408	tmp.exe	33
PID 1408 wrote to memory of 960	1408	tmp.exe	33
PID 1408 wrote to memory of 960	1408	tmp.exe	33
PID 1408 wrote to memory of 960	1408	tmp.exe	33
PID 1408 wrote to memory of 960	1408	tmp.exe	33
PID 1408 wrote to memory of 960	1408	tmp.exe	33
PID 1408 wrote to memory of 1436	1408	tmp.exe	34
PID 1408 wrote to memory of 1436	1408	tmp.exe	34
PID 1408 wrote to memory of 1436	1408	tmp.exe	34
PID 1408 wrote to memory of 1436	1408	tmp.exe	34
PID 1408 wrote to memory of 1436	1408	tmp.exe	34
PID 1408 wrote to memory of 1436	1408	tmp.exe	34
PID 1408 wrote to memory of 1436	1408	tmp.exe	34
PID 1408 wrote to memory of 1552	1408	tmp.exe	35
PID 1408 wrote to memory of 1552	1408	tmp.exe	35
PID 1408 wrote to memory of 1552	1408	tmp.exe	35
PID 1408 wrote to memory of 1552	1408	tmp.exe	35
PID 1408 wrote to memory of 1552	1408	tmp.exe	35
PID 1408 wrote to memory of 1552	1408	tmp.exe	35
PID 1408 wrote to memory of 1552	1408	tmp.exe	35
PID 1408 wrote to memory of 1552	1408	tmp.exe	35
PID 1408 wrote to memory of 1552	1408	tmp.exe	35
PID 1408 wrote to memory of 1552	1408	tmp.exe	35
PID 1408 wrote to memory of 1552	1408	tmp.exe	35
PID 1408 wrote to memory of 1552	1408	tmp.exe	35

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1408
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OkeWnOLx.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:616
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OkeWnOLx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB230.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1684
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:888
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:960
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:1436
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1552

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB230.tmp

Filesize
1KB

MD5
b175324037c4d20166b2da27dcca0f41

SHA1
7b34b515616f95c08775f959b8acf73af2274fb5

SHA256
be190e9538c883cd63cd3ea5b86fbdd25f8831dd1851bbaab350c5fc86dd6196

SHA512
745136378d8138b1156a36f29f305139bf69941f4a91967ddcdb237cb268e88f247f946940ea5d16e23c664f564271ca94bcfc81a87bdf5aface8ac2da5dd330

Download Submit
memory/616-80-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/616-79-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1408-54-0x0000000000370000-0x000000000045A000-memory.dmp

Filesize
936KB

Download
memory/1408-55-0x0000000004DA0000-0x0000000004DE0000-memory.dmp

Filesize
256KB

Download
memory/1408-56-0x0000000000470000-0x0000000000484000-memory.dmp

Filesize
80KB

Download
memory/1408-57-0x0000000004DA0000-0x0000000004DE0000-memory.dmp

Filesize
256KB

Download
memory/1408-58-0x0000000000490000-0x000000000049C000-memory.dmp

Filesize
48KB

Download
memory/1408-59-0x0000000005710000-0x00000000057C6000-memory.dmp

Filesize
728KB

Download
memory/1408-65-0x00000000042A0000-0x00000000042DE000-memory.dmp

Filesize
248KB

Download
memory/1552-70-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1552-72-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1552-71-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1552-73-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1552-75-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1552-77-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1552-78-0x0000000004AA0000-0x0000000004AE0000-memory.dmp

Filesize
256KB

Download
memory/1552-69-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1552-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1552-81-0x0000000004AA0000-0x0000000004AE0000-memory.dmp

Filesize
256KB

Download