5bf9c6dd99a8c7ee59efcf09ff2b4ee5b5f51aab9ad91cd2aa0fca4b0ae975ba

General

Target

Doc#162020094753525765344650094480.pdf.exe
Size

4.7MB
MD5

ffceee8b1fe197a9cac46ae74a66bccd
SHA1

806284efb14a8a27f44eee9564957659eec05282
SHA256

5bf9c6dd99a8c7ee59efcf09ff2b4ee5b5f51aab9ad91cd2aa0fca4b0ae975ba
SHA512

9d1cb0248107409eac2def450ebc99173e67340ee79a6f62c9b8273e318b0c17b53f914f122bb79d02f55af86516852100996c5152b5e15917a6c490c53e7627

Score

8^/10

Malware Config

Signatures

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1124	Doc#162020094753525765344650094480.pdf.exe
Token: SeDebugPrivilege	1048	dfgrwhgrhterurw.exe
Token: SeDebugPrivilege	1908	AddInProcess32.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1124 wrote to memory of 304	1124	Doc#162020094753525765344650094480.pdf.exe	24
PID 1124 wrote to memory of 304	1124	Doc#162020094753525765344650094480.pdf.exe	24
PID 1124 wrote to memory of 304	1124	Doc#162020094753525765344650094480.pdf.exe	24
PID 1124 wrote to memory of 304	1124	Doc#162020094753525765344650094480.pdf.exe	24
PID 304 wrote to memory of 740	304	cmd.exe	26
PID 304 wrote to memory of 740	304	cmd.exe	26
PID 304 wrote to memory of 740	304	cmd.exe	26
PID 304 wrote to memory of 740	304	cmd.exe	26
PID 1124 wrote to memory of 1048	1124	Doc#162020094753525765344650094480.pdf.exe	27
PID 1124 wrote to memory of 1048	1124	Doc#162020094753525765344650094480.pdf.exe	27
PID 1124 wrote to memory of 1048	1124	Doc#162020094753525765344650094480.pdf.exe	27
PID 1124 wrote to memory of 1048	1124	Doc#162020094753525765344650094480.pdf.exe	27
PID 1048 wrote to memory of 1908	1048	dfgrwhgrhterurw.exe	30
PID 1048 wrote to memory of 1908	1048	dfgrwhgrhterurw.exe	30
PID 1048 wrote to memory of 1908	1048	dfgrwhgrhterurw.exe	30
PID 1048 wrote to memory of 1908	1048	dfgrwhgrhterurw.exe	30
PID 1048 wrote to memory of 1908	1048	dfgrwhgrhterurw.exe	30
PID 1048 wrote to memory of 1908	1048	dfgrwhgrhterurw.exe	30
PID 1048 wrote to memory of 1908	1048	dfgrwhgrhterurw.exe	30
PID 1048 wrote to memory of 1908	1048	dfgrwhgrhterurw.exe	30
PID 1048 wrote to memory of 1908	1048	dfgrwhgrhterurw.exe	30

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1048 set thread context of 1908	1048	dfgrwhgrhterurw.exe	30

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-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfggdfsgbnvbdgerfghs = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\dfgrwhgrhterurw.exe"	reg.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1124	Doc#162020094753525765344650094480.pdf.exe
1124	Doc#162020094753525765344650094480.pdf.exe
1124	Doc#162020094753525765344650094480.pdf.exe
1048	dfgrwhgrhterurw.exe
1048	dfgrwhgrhterurw.exe
1048	dfgrwhgrhterurw.exe
1908	AddInProcess32.exe
1908	AddInProcess32.exe

Loads dropped DLL 2 IoCs

pid	Process
1124	Doc#162020094753525765344650094480.pdf.exe
1048	dfgrwhgrhterurw.exe

Executes dropped EXE 2 IoCs

pid	Process
1048	dfgrwhgrhterurw.exe
1908	AddInProcess32.exe

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

Data from Local System
T1005

Credentials in Files
T1081

C:\Users\Admin\AppData\Local\Temp\Doc#162020094753525765344650094480.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Doc#162020094753525765344650094480.pdf.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- Suspicious behavior: EnumeratesProcesses
- Loads dropped DLL
PID:1124
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v hfggdfsgbnvbdgerfghs /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\dfgrwhgrhterurw.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:304
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v hfggdfsgbnvbdgerfghs /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\dfgrwhgrhterurw.exe"
    3⤵
    - Adds Run key to start application
    PID:740
- C:\Users\Admin\AppData\Roaming\dfgrwhgrhterurw.exe
  "C:\Users\Admin\AppData\Roaming\dfgrwhgrhterurw.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Loads dropped DLL
  - Executes dropped EXE
  PID:1048
- - C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
    "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious behavior: EnumeratesProcesses
    - Executes dropped EXE
    PID:1908

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1908-14-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1908-17-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1908-18-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

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