a70fef725d796b5adb74d12567424fe976af6539cc49d7c0fb9cfbf5812edb03

General

Target

FedEx's AWB#530532320464350.pdf.exe
Size

881KB
MD5

566a9a9781b506b65ad41174cfcd6c77
SHA1

a51ad73695c95981edfb03fd5ccdb2eec11ff472
SHA256

a70fef725d796b5adb74d12567424fe976af6539cc49d7c0fb9cfbf5812edb03
SHA512

a5880fe29cd4145c919754fc5ac7f3331cfd9e70be79f2ddd36e7e2ebd43360097d9087898ac0680ee71effd9272b98988d293317a8f57f7903631b9b935c602

Score

8^/10

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1768 set thread context of 2020	1768	dwvvm.exe	30

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
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 use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1496	FedEx's AWB#530532320464350.pdf.exe
Token: SeDebugPrivilege	1768	dwvvm.exe
Token: SeDebugPrivilege	2020	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1496	FedEx's AWB#530532320464350.pdf.exe
1496	FedEx's AWB#530532320464350.pdf.exe
1496	FedEx's AWB#530532320464350.pdf.exe
1768	dwvvm.exe
1768	dwvvm.exe
1768	dwvvm.exe
2020	AddInProcess32.exe
2020	AddInProcess32.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1496 wrote to memory of 1048	1496	FedEx's AWB#530532320464350.pdf.exe	24
PID 1496 wrote to memory of 1048	1496	FedEx's AWB#530532320464350.pdf.exe	24
PID 1496 wrote to memory of 1048	1496	FedEx's AWB#530532320464350.pdf.exe	24
PID 1496 wrote to memory of 1048	1496	FedEx's AWB#530532320464350.pdf.exe	24
PID 1048 wrote to memory of 1512	1048	cmd.exe	26
PID 1048 wrote to memory of 1512	1048	cmd.exe	26
PID 1048 wrote to memory of 1512	1048	cmd.exe	26
PID 1048 wrote to memory of 1512	1048	cmd.exe	26
PID 1496 wrote to memory of 1768	1496	FedEx's AWB#530532320464350.pdf.exe	27
PID 1496 wrote to memory of 1768	1496	FedEx's AWB#530532320464350.pdf.exe	27
PID 1496 wrote to memory of 1768	1496	FedEx's AWB#530532320464350.pdf.exe	27
PID 1496 wrote to memory of 1768	1496	FedEx's AWB#530532320464350.pdf.exe	27
PID 1768 wrote to memory of 2020	1768	dwvvm.exe	30
PID 1768 wrote to memory of 2020	1768	dwvvm.exe	30
PID 1768 wrote to memory of 2020	1768	dwvvm.exe	30
PID 1768 wrote to memory of 2020	1768	dwvvm.exe	30
PID 1768 wrote to memory of 2020	1768	dwvvm.exe	30
PID 1768 wrote to memory of 2020	1768	dwvvm.exe	30
PID 1768 wrote to memory of 2020	1768	dwvvm.exe	30
PID 1768 wrote to memory of 2020	1768	dwvvm.exe	30
PID 1768 wrote to memory of 2020	1768	dwvvm.exe	30

Loads dropped DLL 2 IoCs

pid	Process
1496	FedEx's AWB#530532320464350.pdf.exe
1768	dwvvm.exe

Executes dropped EXE 2 IoCs

pid	Process
1768	dwvvm.exe
2020	AddInProcess32.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-1-5-21-1131729243-447456001-3632642222-1000\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\wndowstetullagrinded = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\dwvvm.exe"	reg.exe

C:\Users\Admin\AppData\Local\Temp\FedEx's AWB#530532320464350.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\FedEx's AWB#530532320464350.pdf.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- Loads dropped DLL
PID:1496
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v wndowstetullagrinded /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\dwvvm.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1048
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v wndowstetullagrinded /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\dwvvm.exe"
    3⤵
    - Adds Run key to start application
    PID:1512
- C:\Users\Admin\dwvvm.exe
  "C:\Users\Admin\dwvvm.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  - Loads dropped DLL
  - Executes dropped EXE
  PID:1768
- - 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:2020

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/2020-20-0x0000000000080000-0x00000000000CC000-memory.dmp

Filesize
304KB

Download
memory/2020-22-0x0000000000080000-0x00000000000CC000-memory.dmp

Filesize
304KB

Download

Analysis

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