agenttesla | 33688ef783b3f8913608927cc25e28bb4a7097a2636d734af213956c60178784

General

Target

tmp.exe
Size

909KB
MD5

ad0fd8c49bd571cba00267ef88851d73
SHA1

b782e7495fe3a56bb3ab63d65d24d3c7535870ad
SHA256

33688ef783b3f8913608927cc25e28bb4a7097a2636d734af213956c60178784
SHA512

91f0c70a7b564d69ee89dee3837517b07ea9a38789d0b8214563d0fddbc809737a3dcb2f2f34d267bb4251bab9a26fa2df4912eda5c2b483b7ed30bfc6f21502
SSDEEP

24576:uuOZ6wGkB+e9uf8SnDhrvQ/UhuPRIwlqr9O:JDxQshuPto9O

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

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/3068-148-0x0000000000400000-0x000000000043C000-memory.dmp	family_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	tmp.exe

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	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 832 set thread context of 3068	832	tmp.exe	97

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
3864	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
832	tmp.exe
3648	powershell.exe
832	tmp.exe
3068	RegSvcs.exe
3068	RegSvcs.exe
3648	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	832	tmp.exe
Token: SeDebugPrivilege	3648	powershell.exe
Token: SeDebugPrivilege	3068	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 832 wrote to memory of 3648	832	tmp.exe	93
PID 832 wrote to memory of 3648	832	tmp.exe	93
PID 832 wrote to memory of 3648	832	tmp.exe	93
PID 832 wrote to memory of 3864	832	tmp.exe	95
PID 832 wrote to memory of 3864	832	tmp.exe	95
PID 832 wrote to memory of 3864	832	tmp.exe	95
PID 832 wrote to memory of 3068	832	tmp.exe	97
PID 832 wrote to memory of 3068	832	tmp.exe	97
PID 832 wrote to memory of 3068	832	tmp.exe	97
PID 832 wrote to memory of 3068	832	tmp.exe	97
PID 832 wrote to memory of 3068	832	tmp.exe	97
PID 832 wrote to memory of 3068	832	tmp.exe	97
PID 832 wrote to memory of 3068	832	tmp.exe	97
PID 832 wrote to memory of 3068	832	tmp.exe	97

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	RegSvcs.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	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:832
- 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:3648
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OkeWnOLx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1FBD.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3864
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3068

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_npcdj0p5.yzk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1FBD.tmp

Filesize
1KB

MD5
a2bf771c907dfcf94e7b20d694bd717a

SHA1
ab03c017495c30cd5e91e34402230008ceb411e1

SHA256
c9e78e518ba4b2be80558715c8298200f57e0428c8e72e7fa4e53d789e8123d9

SHA512
21f949c30d0b404a2ea9116274b0bd6ae49ba25f8ef11ee6044a71358e325299d66f568ba4c5818de6d5ae6d059bfff5cca9cd1259bfc687cd07c8451469408b

Download Submit
memory/832-139-0x0000000006D10000-0x0000000006DAC000-memory.dmp

Filesize
624KB

Download
memory/832-136-0x00000000053C0000-0x00000000053CA000-memory.dmp

Filesize
40KB

Download
memory/832-137-0x00000000055A0000-0x00000000055B0000-memory.dmp

Filesize
64KB

Download
memory/832-138-0x00000000055A0000-0x00000000055B0000-memory.dmp

Filesize
64KB

Download
memory/832-133-0x0000000000880000-0x000000000096A000-memory.dmp

Filesize
936KB

Download
memory/832-135-0x0000000005310000-0x00000000053A2000-memory.dmp

Filesize
584KB

Download
memory/832-134-0x00000000057E0000-0x0000000005D84000-memory.dmp

Filesize
5.6MB

Download
memory/3068-189-0x00000000061A0000-0x00000000061F0000-memory.dmp

Filesize
320KB

Download
memory/3068-188-0x0000000005310000-0x0000000005320000-memory.dmp

Filesize
64KB

Download
memory/3068-164-0x0000000005310000-0x0000000005320000-memory.dmp

Filesize
64KB

Download
memory/3068-148-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3648-155-0x0000000004990000-0x00000000049A0000-memory.dmp

Filesize
64KB

Download
memory/3648-177-0x00000000060D0000-0x00000000060EE000-memory.dmp

Filesize
120KB

Download
memory/3648-156-0x0000000004E90000-0x0000000004EF6000-memory.dmp

Filesize
408KB

Download
memory/3648-154-0x0000000004E20000-0x0000000004E86000-memory.dmp

Filesize
408KB

Download
memory/3648-163-0x0000000005A30000-0x0000000005A4E000-memory.dmp

Filesize
120KB

Download
memory/3648-147-0x0000000004B80000-0x0000000004BA2000-memory.dmp

Filesize
136KB

Download
memory/3648-165-0x0000000004990000-0x00000000049A0000-memory.dmp

Filesize
64KB

Download
memory/3648-166-0x00000000060F0000-0x0000000006122000-memory.dmp

Filesize
200KB

Download
memory/3648-167-0x00000000725D0000-0x000000007261C000-memory.dmp

Filesize
304KB

Download
memory/3648-157-0x0000000004990000-0x00000000049A0000-memory.dmp

Filesize
64KB

Download
memory/3648-178-0x000000007EEF0000-0x000000007EF00000-memory.dmp

Filesize
64KB

Download
memory/3648-179-0x0000000007480000-0x0000000007AFA000-memory.dmp

Filesize
6.5MB

Download
memory/3648-180-0x0000000006E30000-0x0000000006E4A000-memory.dmp

Filesize
104KB

Download
memory/3648-181-0x0000000006EB0000-0x0000000006EBA000-memory.dmp

Filesize
40KB

Download
memory/3648-182-0x00000000070C0000-0x0000000007156000-memory.dmp

Filesize
600KB

Download
memory/3648-183-0x0000000007070000-0x000000000707E000-memory.dmp

Filesize
56KB

Download
memory/3648-184-0x0000000007180000-0x000000000719A000-memory.dmp

Filesize
104KB

Download
memory/3648-185-0x0000000007160000-0x0000000007168000-memory.dmp

Filesize
32KB

Download
memory/3648-146-0x0000000004FD0000-0x00000000055F8000-memory.dmp

Filesize
6.2MB

Download
memory/3648-144-0x0000000002220000-0x0000000002256000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads