2c016d48f5936bfa312d430755671b2281486c6775365cddc1251dbfdd9e6a7b

General

Target

vt_d4ea39c5d5e521a3251696a89d5b9b4bfa3b95793dba4385d697c61ea08db07d.exe
Size

363KB
MD5

2c96fccde01969b176eb800cfb932175
SHA1

4eca90fe0816517426f20bc70be56ad4074e00d0
SHA256

d4ea39c5d5e521a3251696a89d5b9b4bfa3b95793dba4385d697c61ea08db07d
SHA512

87aacc4bde8557ad1195372009d666e9910017e067eeea648241c6ac9c178e5f0c57f44eb49e19cb7bf5dc2d458d61a8244122fa9260f6868a00c938d03c54a6
SSDEEP

3072:eK/bIeQ4Crvgf7aSelKqDIvb3IdT55Bc5csmMf8bFJt4tEwBsmpczHp8d00UbU7P:eK5IrCkIv035EcfMUN42LLrCG

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3428	Winp6FD.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\High Definition Audio Component = "\"C:\\Program Files (x86)\\Common Files\\Winp6FD.exe\""	vt_d4ea39c5d5e521a3251696a89d5b9b4bfa3b95793dba4385d697c61ea08db07d.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\Winp6FD.exe	vt_d4ea39c5d5e521a3251696a89d5b9b4bfa3b95793dba4385d697c61ea08db07d.exe
File opened for modification	C:\Program Files (x86)\Common Files\Winp6FD.exe	vt_d4ea39c5d5e521a3251696a89d5b9b4bfa3b95793dba4385d697c61ea08db07d.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\AppCompat\Programs\Amcache.hve.tmp	dw20.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4960	vt_d4ea39c5d5e521a3251696a89d5b9b4bfa3b95793dba4385d697c61ea08db07d.exe
4960	vt_d4ea39c5d5e521a3251696a89d5b9b4bfa3b95793dba4385d697c61ea08db07d.exe
4960	vt_d4ea39c5d5e521a3251696a89d5b9b4bfa3b95793dba4385d697c61ea08db07d.exe
4960	vt_d4ea39c5d5e521a3251696a89d5b9b4bfa3b95793dba4385d697c61ea08db07d.exe
4960	vt_d4ea39c5d5e521a3251696a89d5b9b4bfa3b95793dba4385d697c61ea08db07d.exe
4960	vt_d4ea39c5d5e521a3251696a89d5b9b4bfa3b95793dba4385d697c61ea08db07d.exe
4960	vt_d4ea39c5d5e521a3251696a89d5b9b4bfa3b95793dba4385d697c61ea08db07d.exe
4960	vt_d4ea39c5d5e521a3251696a89d5b9b4bfa3b95793dba4385d697c61ea08db07d.exe
3428	Winp6FD.exe
3428	Winp6FD.exe
3428	Winp6FD.exe
3428	Winp6FD.exe
3428	Winp6FD.exe
3428	Winp6FD.exe
3428	Winp6FD.exe
3428	Winp6FD.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	4960	vt_d4ea39c5d5e521a3251696a89d5b9b4bfa3b95793dba4385d697c61ea08db07d.exe
Token: SeDebugPrivilege	3428	Winp6FD.exe
Token: SeRestorePrivilege	4364	dw20.exe
Token: SeBackupPrivilege	4364	dw20.exe
Token: SeBackupPrivilege	4364	dw20.exe
Token: SeBackupPrivilege	4364	dw20.exe
Token: SeBackupPrivilege	4364	dw20.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 3428	4960	vt_d4ea39c5d5e521a3251696a89d5b9b4bfa3b95793dba4385d697c61ea08db07d.exe	86
PID 4960 wrote to memory of 3428	4960	vt_d4ea39c5d5e521a3251696a89d5b9b4bfa3b95793dba4385d697c61ea08db07d.exe	86
PID 4960 wrote to memory of 3428	4960	vt_d4ea39c5d5e521a3251696a89d5b9b4bfa3b95793dba4385d697c61ea08db07d.exe	86
PID 3428 wrote to memory of 4364	3428	Winp6FD.exe	89
PID 3428 wrote to memory of 4364	3428	Winp6FD.exe	89
PID 3428 wrote to memory of 4364	3428	Winp6FD.exe	89

C:\Users\Admin\AppData\Local\Temp\vt_d4ea39c5d5e521a3251696a89d5b9b4bfa3b95793dba4385d697c61ea08db07d.exe
"C:\Users\Admin\AppData\Local\Temp\vt_d4ea39c5d5e521a3251696a89d5b9b4bfa3b95793dba4385d697c61ea08db07d.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Program Files (x86)\Common Files\Winp6FD.exe
  "C:\Program Files (x86)\Common Files\Winp6FD.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3428
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 1160
    3⤵
    - Drops file in Windows directory
    - Suspicious use of AdjustPrivilegeToken
    PID:4364

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\Common Files\Winp6FD.exe

Filesize
363KB

MD5
2c96fccde01969b176eb800cfb932175

SHA1
4eca90fe0816517426f20bc70be56ad4074e00d0

SHA256
d4ea39c5d5e521a3251696a89d5b9b4bfa3b95793dba4385d697c61ea08db07d

SHA512
87aacc4bde8557ad1195372009d666e9910017e067eeea648241c6ac9c178e5f0c57f44eb49e19cb7bf5dc2d458d61a8244122fa9260f6868a00c938d03c54a6

Download Submit
C:\Program Files (x86)\Common Files\Winp6FD.exe

Filesize
363KB

MD5
2c96fccde01969b176eb800cfb932175

SHA1
4eca90fe0816517426f20bc70be56ad4074e00d0

SHA256
d4ea39c5d5e521a3251696a89d5b9b4bfa3b95793dba4385d697c61ea08db07d

SHA512
87aacc4bde8557ad1195372009d666e9910017e067eeea648241c6ac9c178e5f0c57f44eb49e19cb7bf5dc2d458d61a8244122fa9260f6868a00c938d03c54a6

Download Submit
C:\Program Files (x86)\Common Files\Winp6FD.exe

Filesize
363KB

MD5
2c96fccde01969b176eb800cfb932175

SHA1
4eca90fe0816517426f20bc70be56ad4074e00d0

SHA256
d4ea39c5d5e521a3251696a89d5b9b4bfa3b95793dba4385d697c61ea08db07d

SHA512
87aacc4bde8557ad1195372009d666e9910017e067eeea648241c6ac9c178e5f0c57f44eb49e19cb7bf5dc2d458d61a8244122fa9260f6868a00c938d03c54a6

Download Submit
memory/3428-150-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/3428-151-0x00000000012E0000-0x00000000012F0000-memory.dmp

Filesize
64KB

Download
memory/3428-152-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/3428-159-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/4960-133-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/4960-134-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/4960-135-0x0000000001950000-0x0000000001960000-memory.dmp

Filesize
64KB

Download
memory/4960-149-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads