agenttesla | 2a742e0bd233aad9f3cdb6a16f0c78dd4c17c19455fbafe24079528ff3775bd5

Analysis

max time kernel
4294183s
max time network
125s
platform
windows7_x64
resource
win7-20220311-en
submitted
29/03/2022, 11:20

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General

Target
Lincoln Park_Q88 (Chemical)_29Mar2022.doc.exe
Size 591KB
Sample220329-nfezlsdcd9
SHA256 2a742e0bd233aad9f3cdb6a16f0c78dd4c17c19455fbafe24079528ff3775bd5
MD5 80da18b7dc57dce590fbc99cb4c7d72f
SHA1 14d0e76004fc31c458449840bb6001dad4e95cec
SHA512 412f5b55b500cd53def26da399a904788a425257399bd6edbd512a5540261b5e654f1dccd0d53e0f80a0e82ade9b66fc8859c0c2979eb619b4575eca9da80776
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol
smtp
Host
smtp.taizingshipping.com
Port
587
Username
[email protected]
Password
gW%rH(bMg1

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.taizingshipping.com
Port
587
Username
[email protected]
Password
gW%rH(bMg1

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
1700	ffc.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 628 set thread context of 1100	628	Lincoln Park_Q88 (Chemical)_29Mar2022.doc.exe	27
PID 1700 set thread context of 1748	1700	ffc.exe	38

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
636	schtasks.exe
664	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1100	vbc.exe
1100	vbc.exe
1748	vbc.exe
1748	vbc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	628	Lincoln Park_Q88 (Chemical)_29Mar2022.doc.exe
Token: SeDebugPrivilege	1100	vbc.exe
Token: SeDebugPrivilege	1700	ffc.exe
Token: SeDebugPrivilege	1748	vbc.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 1100	628	Lincoln Park_Q88 (Chemical)_29Mar2022.doc.exe	27
PID 628 wrote to memory of 1100	628	Lincoln Park_Q88 (Chemical)_29Mar2022.doc.exe	27
PID 628 wrote to memory of 1100	628	Lincoln Park_Q88 (Chemical)_29Mar2022.doc.exe	27
PID 628 wrote to memory of 1100	628	Lincoln Park_Q88 (Chemical)_29Mar2022.doc.exe	27
PID 628 wrote to memory of 1100	628	Lincoln Park_Q88 (Chemical)_29Mar2022.doc.exe	27
PID 628 wrote to memory of 1100	628	Lincoln Park_Q88 (Chemical)_29Mar2022.doc.exe	27
PID 628 wrote to memory of 1100	628	Lincoln Park_Q88 (Chemical)_29Mar2022.doc.exe	27
PID 628 wrote to memory of 1100	628	Lincoln Park_Q88 (Chemical)_29Mar2022.doc.exe	27
PID 628 wrote to memory of 1100	628	Lincoln Park_Q88 (Chemical)_29Mar2022.doc.exe	27
PID 628 wrote to memory of 1784	628	Lincoln Park_Q88 (Chemical)_29Mar2022.doc.exe	28
PID 628 wrote to memory of 1784	628	Lincoln Park_Q88 (Chemical)_29Mar2022.doc.exe	28
PID 628 wrote to memory of 1784	628	Lincoln Park_Q88 (Chemical)_29Mar2022.doc.exe	28
PID 628 wrote to memory of 1784	628	Lincoln Park_Q88 (Chemical)_29Mar2022.doc.exe	28
PID 628 wrote to memory of 836	628	Lincoln Park_Q88 (Chemical)_29Mar2022.doc.exe	29
PID 628 wrote to memory of 836	628	Lincoln Park_Q88 (Chemical)_29Mar2022.doc.exe	29
PID 628 wrote to memory of 836	628	Lincoln Park_Q88 (Chemical)_29Mar2022.doc.exe	29
PID 628 wrote to memory of 836	628	Lincoln Park_Q88 (Chemical)_29Mar2022.doc.exe	29
PID 1784 wrote to memory of 636	1784	cmd.exe	32
PID 1784 wrote to memory of 636	1784	cmd.exe	32
PID 1784 wrote to memory of 636	1784	cmd.exe	32
PID 1784 wrote to memory of 636	1784	cmd.exe	32
PID 1400 wrote to memory of 1700	1400	taskeng.exe	37
PID 1400 wrote to memory of 1700	1400	taskeng.exe	37
PID 1400 wrote to memory of 1700	1400	taskeng.exe	37
PID 1400 wrote to memory of 1700	1400	taskeng.exe	37
PID 1400 wrote to memory of 1700	1400	taskeng.exe	37
PID 1400 wrote to memory of 1700	1400	taskeng.exe	37
PID 1400 wrote to memory of 1700	1400	taskeng.exe	37
PID 1700 wrote to memory of 1748	1700	ffc.exe	38
PID 1700 wrote to memory of 1748	1700	ffc.exe	38
PID 1700 wrote to memory of 1748	1700	ffc.exe	38
PID 1700 wrote to memory of 1748	1700	ffc.exe	38
PID 1700 wrote to memory of 1748	1700	ffc.exe	38
PID 1700 wrote to memory of 1748	1700	ffc.exe	38
PID 1700 wrote to memory of 1748	1700	ffc.exe	38
PID 1700 wrote to memory of 1748	1700	ffc.exe	38
PID 1700 wrote to memory of 1748	1700	ffc.exe	38
PID 1700 wrote to memory of 112	1700	ffc.exe	39
PID 1700 wrote to memory of 112	1700	ffc.exe	39
PID 1700 wrote to memory of 112	1700	ffc.exe	39
PID 1700 wrote to memory of 112	1700	ffc.exe	39
PID 1700 wrote to memory of 1612	1700	ffc.exe	40
PID 1700 wrote to memory of 1612	1700	ffc.exe	40
PID 1700 wrote to memory of 1612	1700	ffc.exe	40
PID 1700 wrote to memory of 1612	1700	ffc.exe	40

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

C:\Users\Admin\AppData\Local\Temp\Lincoln Park_Q88 (Chemical)_29Mar2022.doc.exe
"C:\Users\Admin\AppData\Local\Temp\Lincoln Park_Q88 (Chemical)_29Mar2022.doc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:628
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1100
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafnias" /tr "'C:\Users\Admin\AppData\Roaming\ffc\ffc.exe'" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1784
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nafnias" /tr "'C:\Users\Admin\AppData\Roaming\ffc\ffc.exe'" /f
    3⤵
    - Creates scheduled task(s)
    PID:636
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\Lincoln Park_Q88 (Chemical)_29Mar2022.doc.exe" "C:\Users\Admin\AppData\Roaming\ffc\ffc.exe"
  2⤵
  PID:836

C:\Windows\system32\taskeng.exe
taskeng.exe {C6B7A11E-923E-4CD0-BCCE-BC4255057807} S-1-5-21-2199625441-3471261906-229485034-1000:DRLQIXCW\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1400
- C:\Users\Admin\AppData\Roaming\ffc\ffc.exe
  C:\Users\Admin\AppData\Roaming\ffc\ffc.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1700
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:1748
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafnias" /tr "'C:\Users\Admin\AppData\Roaming\ffc\ffc.exe'" /f
    3⤵
    PID:112
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn "Nafnias" /tr "'C:\Users\Admin\AppData\Roaming\ffc\ffc.exe'" /f
      4⤵
      Creates scheduled task(s)
      PID:664
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c copy "C:\Users\Admin\AppData\Roaming\ffc\ffc.exe" "C:\Users\Admin\AppData\Roaming\ffc\ffc.exe"
    3⤵
    PID:1612

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Scripting

T1064

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Scripting

T1064

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

ffc.exe

Path C:\Users\Admin\AppData\Roaming\ffc\ffc.exe
Size 591KB
SHA256 2a742e0bd233aad9f3cdb6a16f0c78dd4c17c19455fbafe24079528ff3775bd5
MD5 80da18b7dc57dce590fbc99cb4c7d72f
SHA1 14d0e76004fc31c458449840bb6001dad4e95cec
SHA512 412f5b55b500cd53def26da399a904788a425257399bd6edbd512a5540261b5e654f1dccd0d53e0f80a0e82ade9b66fc8859c0c2979eb619b4575eca9da80776
MD5 SHA1 SHA512

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ffc.exe

Path C:\Users\Admin\AppData\Roaming\ffc\ffc.exe
Size 591KB
SHA256 2a742e0bd233aad9f3cdb6a16f0c78dd4c17c19455fbafe24079528ff3775bd5
MD5 80da18b7dc57dce590fbc99cb4c7d72f
SHA1 14d0e76004fc31c458449840bb6001dad4e95cec
SHA512 412f5b55b500cd53def26da399a904788a425257399bd6edbd512a5540261b5e654f1dccd0d53e0f80a0e82ade9b66fc8859c0c2979eb619b4575eca9da80776
MD5 SHA1 SHA512

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memory/628-54-0x0000000000CB0000-0x0000000000D4A000-memory.dmp

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memory/1100-59-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/1100-63-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/1100-66-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/1100-60-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/1100-58-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/1100-56-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/1100-55-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/1700-72-0x0000000000A80000-0x0000000000B1A000-memory.dmp

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