agenttesla | f9b80304746e3ed70ec58bf5da220d1d45271333c8516cfb4475196d4e6848ec

Analysis

max time kernel
103s
max time network
52s
platform
windows7_x64
resource
win7-20220414-en
submitted
20-05-2022 23:31

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General

Target

E410B98888.exe
Size

1.7MB
MD5

4fb67120185f1f35a4ee966dd8673eb7
SHA1

563837b69516b71eaf64d5bcedf014adbbc45f07
SHA256

184f804223ad564aad94a727a9d58543e2d01a308902c95eb328016739938a90
SHA512

974c0a2e1f41ea34b29fed609ab9765d6d2c5e352263c367078373be1bd9d8a6032cf75e8b0ebf88de6af90df8cc9154a8a1182a43d4804b0bfaeb83adfa3c75

Score

10^/10

agenttesla masslogger collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ashpraskills.com
Port:
587
Username:
[email protected]
Password:
TC041018$4321

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

MassLogger Main Payload 10 IoCs

resource	yara_rule
behavioral1/memory/1936-54-0x0000000000DB0000-0x0000000000F64000-memory.dmp	family_masslogger
behavioral1/files/0x000800000001235b-66.dat	family_masslogger
behavioral1/files/0x000800000001235b-68.dat	family_masslogger
behavioral1/files/0x000800000001235b-69.dat	family_masslogger
behavioral1/memory/580-70-0x00000000001D0000-0x0000000000384000-memory.dmp	family_masslogger
behavioral1/files/0x000800000001235b-76.dat	family_masslogger
behavioral1/files/0x000800000001235b-75.dat	family_masslogger
behavioral1/files/0x000800000001235b-74.dat	family_masslogger
behavioral1/files/0x000800000001235b-73.dat	family_masslogger
behavioral1/files/0x000800000001235b-77.dat	family_masslogger

AgentTesla Payload 4 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012316-57.dat	family_agenttesla
behavioral1/files/0x000b000000012316-58.dat	family_agenttesla
behavioral1/files/0x000b000000012316-60.dat	family_agenttesla
behavioral1/files/0x000b000000012316-61.dat	family_agenttesla

Executes dropped EXE 2 IoCs

pid	Process
2036	wiseman.exe
580	.exe

Loads dropped DLL 8 IoCs

pid	Process
1936	E410B98888.exe
1936	E410B98888.exe
1936	E410B98888.exe
1132	WerFault.exe
1132	WerFault.exe
1132	WerFault.exe
1132	WerFault.exe
1132	WerFault.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-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wiseman.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wiseman.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wiseman.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\Administrator = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\Desktop\\.exe"	reg.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1132	580	WerFault.exe	34

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1936	E410B98888.exe
1936	E410B98888.exe
2036	wiseman.exe
2036	wiseman.exe
580	.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1936	E410B98888.exe
Token: SeDebugPrivilege	2036	wiseman.exe
Token: SeDebugPrivilege	580	.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2036	wiseman.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 2036	1936	E410B98888.exe	27
PID 1936 wrote to memory of 2036	1936	E410B98888.exe	27
PID 1936 wrote to memory of 2036	1936	E410B98888.exe	27
PID 1936 wrote to memory of 2036	1936	E410B98888.exe	27
PID 1936 wrote to memory of 952	1936	E410B98888.exe	28
PID 1936 wrote to memory of 952	1936	E410B98888.exe	28
PID 1936 wrote to memory of 952	1936	E410B98888.exe	28
PID 1936 wrote to memory of 952	1936	E410B98888.exe	28
PID 952 wrote to memory of 904	952	cmd.exe	30
PID 952 wrote to memory of 904	952	cmd.exe	30
PID 952 wrote to memory of 904	952	cmd.exe	30
PID 952 wrote to memory of 904	952	cmd.exe	30
PID 1936 wrote to memory of 580	1936	E410B98888.exe	34
PID 1936 wrote to memory of 580	1936	E410B98888.exe	34
PID 1936 wrote to memory of 580	1936	E410B98888.exe	34
PID 1936 wrote to memory of 580	1936	E410B98888.exe	34
PID 580 wrote to memory of 1132	580	.exe	35
PID 580 wrote to memory of 1132	580	.exe	35
PID 580 wrote to memory of 1132	580	.exe	35
PID 580 wrote to memory of 1132	580	.exe	35

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wiseman.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wiseman.exe

C:\Users\Admin\AppData\Local\Temp\E410B98888.exe
"C:\Users\Admin\AppData\Local\Temp\E410B98888.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Users\Admin\Desktop\wiseman.exe
  "C:\Users\Admin\Desktop\wiseman.exe"
  2⤵
  - Executes dropped EXE
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2036
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v Administrator /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\Desktop\.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:952
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v Administrator /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\Desktop\.exe"
    3⤵
    - Adds Run key to start application
    PID:904
- C:\Users\Admin\Desktop\.exe
  "C:\Users\Admin\Desktop\.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:580
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 580 -s 728
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:1132

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

C:\Users\Admin\Desktop\.exe

Filesize
1.7MB

MD5
4fb67120185f1f35a4ee966dd8673eb7

SHA1
563837b69516b71eaf64d5bcedf014adbbc45f07

SHA256
184f804223ad564aad94a727a9d58543e2d01a308902c95eb328016739938a90

SHA512
974c0a2e1f41ea34b29fed609ab9765d6d2c5e352263c367078373be1bd9d8a6032cf75e8b0ebf88de6af90df8cc9154a8a1182a43d4804b0bfaeb83adfa3c75

Download Submit
C:\Users\Admin\Desktop\.exe

Filesize
1.7MB

MD5
4fb67120185f1f35a4ee966dd8673eb7

SHA1
563837b69516b71eaf64d5bcedf014adbbc45f07

SHA256
184f804223ad564aad94a727a9d58543e2d01a308902c95eb328016739938a90

SHA512
974c0a2e1f41ea34b29fed609ab9765d6d2c5e352263c367078373be1bd9d8a6032cf75e8b0ebf88de6af90df8cc9154a8a1182a43d4804b0bfaeb83adfa3c75

Download Submit
C:\Users\Admin\Desktop\wiseman.exe

Filesize
278KB

MD5
0922444ce8a37462f57e07a420acf1a7

SHA1
a6442229acbd46d3a4cf5f45630ca98a74f18d0f

SHA256
bab0b51695e2e35875154c4aba680fd1800dbbba36ef1f48cd437616eac8cdc5

SHA512
24cfd983469e0f6926969a9ee9201df6eed891c895ec7db328944feda2ebcbac20c11bffdd15e831aae64dd4d1bf45f442f2be4306d837f045ced245597a6a2c

Download Submit
C:\Users\Admin\Desktop\wiseman.exe

Filesize
278KB

MD5
0922444ce8a37462f57e07a420acf1a7

SHA1
a6442229acbd46d3a4cf5f45630ca98a74f18d0f

SHA256
bab0b51695e2e35875154c4aba680fd1800dbbba36ef1f48cd437616eac8cdc5

SHA512
24cfd983469e0f6926969a9ee9201df6eed891c895ec7db328944feda2ebcbac20c11bffdd15e831aae64dd4d1bf45f442f2be4306d837f045ced245597a6a2c

Download Submit
\Users\Admin\Desktop\.exe

Filesize
1.7MB

MD5
4fb67120185f1f35a4ee966dd8673eb7

SHA1
563837b69516b71eaf64d5bcedf014adbbc45f07

SHA256
184f804223ad564aad94a727a9d58543e2d01a308902c95eb328016739938a90

SHA512
974c0a2e1f41ea34b29fed609ab9765d6d2c5e352263c367078373be1bd9d8a6032cf75e8b0ebf88de6af90df8cc9154a8a1182a43d4804b0bfaeb83adfa3c75

Download Submit
\Users\Admin\Desktop\.exe

Filesize
1.7MB

MD5
4fb67120185f1f35a4ee966dd8673eb7

SHA1
563837b69516b71eaf64d5bcedf014adbbc45f07

SHA256
184f804223ad564aad94a727a9d58543e2d01a308902c95eb328016739938a90

SHA512
974c0a2e1f41ea34b29fed609ab9765d6d2c5e352263c367078373be1bd9d8a6032cf75e8b0ebf88de6af90df8cc9154a8a1182a43d4804b0bfaeb83adfa3c75

Download Submit
\Users\Admin\Desktop\.exe

Filesize
1.7MB

MD5
4fb67120185f1f35a4ee966dd8673eb7

SHA1
563837b69516b71eaf64d5bcedf014adbbc45f07

SHA256
184f804223ad564aad94a727a9d58543e2d01a308902c95eb328016739938a90

SHA512
974c0a2e1f41ea34b29fed609ab9765d6d2c5e352263c367078373be1bd9d8a6032cf75e8b0ebf88de6af90df8cc9154a8a1182a43d4804b0bfaeb83adfa3c75

Download Submit
\Users\Admin\Desktop\.exe

Filesize
1.7MB

MD5
4fb67120185f1f35a4ee966dd8673eb7

SHA1
563837b69516b71eaf64d5bcedf014adbbc45f07

SHA256
184f804223ad564aad94a727a9d58543e2d01a308902c95eb328016739938a90

SHA512
974c0a2e1f41ea34b29fed609ab9765d6d2c5e352263c367078373be1bd9d8a6032cf75e8b0ebf88de6af90df8cc9154a8a1182a43d4804b0bfaeb83adfa3c75

Download Submit
\Users\Admin\Desktop\.exe

Filesize
1.7MB

MD5
4fb67120185f1f35a4ee966dd8673eb7

SHA1
563837b69516b71eaf64d5bcedf014adbbc45f07

SHA256
184f804223ad564aad94a727a9d58543e2d01a308902c95eb328016739938a90

SHA512
974c0a2e1f41ea34b29fed609ab9765d6d2c5e352263c367078373be1bd9d8a6032cf75e8b0ebf88de6af90df8cc9154a8a1182a43d4804b0bfaeb83adfa3c75

Download Submit
\Users\Admin\Desktop\.exe

Filesize
1.7MB

MD5
4fb67120185f1f35a4ee966dd8673eb7

SHA1
563837b69516b71eaf64d5bcedf014adbbc45f07

SHA256
184f804223ad564aad94a727a9d58543e2d01a308902c95eb328016739938a90

SHA512
974c0a2e1f41ea34b29fed609ab9765d6d2c5e352263c367078373be1bd9d8a6032cf75e8b0ebf88de6af90df8cc9154a8a1182a43d4804b0bfaeb83adfa3c75

Download Submit
\Users\Admin\Desktop\wiseman.exe

Filesize
278KB

MD5
0922444ce8a37462f57e07a420acf1a7

SHA1
a6442229acbd46d3a4cf5f45630ca98a74f18d0f

SHA256
bab0b51695e2e35875154c4aba680fd1800dbbba36ef1f48cd437616eac8cdc5

SHA512
24cfd983469e0f6926969a9ee9201df6eed891c895ec7db328944feda2ebcbac20c11bffdd15e831aae64dd4d1bf45f442f2be4306d837f045ced245597a6a2c

Download Submit
\Users\Admin\Desktop\wiseman.exe

Filesize
278KB

MD5
0922444ce8a37462f57e07a420acf1a7

SHA1
a6442229acbd46d3a4cf5f45630ca98a74f18d0f

SHA256
bab0b51695e2e35875154c4aba680fd1800dbbba36ef1f48cd437616eac8cdc5

SHA512
24cfd983469e0f6926969a9ee9201df6eed891c895ec7db328944feda2ebcbac20c11bffdd15e831aae64dd4d1bf45f442f2be4306d837f045ced245597a6a2c

Download Submit
memory/580-70-0x00000000001D0000-0x0000000000384000-memory.dmp

Filesize
1.7MB

Download
memory/1936-54-0x0000000000DB0000-0x0000000000F64000-memory.dmp

Filesize
1.7MB

Download
memory/1936-56-0x0000000000330000-0x000000000033A000-memory.dmp

Filesize
40KB

Download
memory/1936-55-0x00000000757C1000-0x00000000757C3000-memory.dmp

Filesize
8KB

Download
memory/2036-65-0x000000006D1B0000-0x000000006D75B000-memory.dmp

Filesize
5.7MB

Download
memory/2036-78-0x0000000005760000-0x0000000005C96000-memory.dmp

Filesize
5.2MB

Download