401254d914542f0707e3582cd4fef162996158fc6cec22cd643f32b65c9c8fd3

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
14/10/2023, 19:10

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General

Target

NEAS.baf696518ff49f9c407673208d1596b0.exe
Size

160KB
MD5

baf696518ff49f9c407673208d1596b0
SHA1

44868fa342c394da179e586dcd986bdbfd2875e0
SHA256

401254d914542f0707e3582cd4fef162996158fc6cec22cd643f32b65c9c8fd3
SHA512

3a8c8d459d93d233e34a84f9817f169e17d4c2a68b4fa721d130f75deb7c7c862a8bbf6e156ef196bee8b7d74bcf457cb7a682c546d7949d8dd343e839edfe14
SSDEEP

3072:IFFN5ozOn+U5SOvJTwOJtWUJUEFkShnqVBqSbguA4Dzpouz:iT5ozO+8ZRc+15FkSQBDbpAszVz

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Executes dropped EXE 1 IoCs

pid	Process
2660	ddhvolk.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1660-0-0x0000000000400000-0x000000000045E000-memory.dmp	upx
behavioral1/files/0x0030000000015c4b-5.dat	upx
behavioral1/files/0x0030000000015c4b-6.dat	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\ddhvolk.exe	NEAS.baf696518ff49f9c407673208d1596b0.exe
File created	C:\PROGRA~3\Mozilla\fuzozwc.dll	ddhvolk.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1660	NEAS.baf696518ff49f9c407673208d1596b0.exe
2660	ddhvolk.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 2660	2968	taskeng.exe	29
PID 2968 wrote to memory of 2660	2968	taskeng.exe	29
PID 2968 wrote to memory of 2660	2968	taskeng.exe	29
PID 2968 wrote to memory of 2660	2968	taskeng.exe	29

C:\Users\Admin\AppData\Local\Temp\NEAS.baf696518ff49f9c407673208d1596b0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.baf696518ff49f9c407673208d1596b0.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
PID:1660

C:\Windows\system32\taskeng.exe
taskeng.exe {23BEE705-01BF-451D-849F-4EF58B09D896} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2968
- C:\PROGRA~3\Mozilla\ddhvolk.exe
  C:\PROGRA~3\Mozilla\ddhvolk.exe -nlwszjc
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of UnmapMainImage
  PID:2660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\PROGRA~3\Mozilla\ddhvolk.exe

Filesize
160KB

MD5
746ef62c857d614c21a7ced3a149ff74

SHA1
662f083e0e8058c8c6fd1d1a4c31da592eb1a0a4

SHA256
517102058eacffb0f6fcc45a3b1da79085e1836fbefc1ebc98aa6a16753323a1

SHA512
f33c69c45c87932848fa60be8d0ddb4fd15fb041ff19cfbd65b86d8a8fc61ec10f46c1cdecd62889bfb2d30ee1b9d8c11e833d37aef599104664f55a6d5bdaed

Download Submit
C:\PROGRA~3\Mozilla\ddhvolk.exe

Filesize
160KB

MD5
746ef62c857d614c21a7ced3a149ff74

SHA1
662f083e0e8058c8c6fd1d1a4c31da592eb1a0a4

SHA256
517102058eacffb0f6fcc45a3b1da79085e1836fbefc1ebc98aa6a16753323a1

SHA512
f33c69c45c87932848fa60be8d0ddb4fd15fb041ff19cfbd65b86d8a8fc61ec10f46c1cdecd62889bfb2d30ee1b9d8c11e833d37aef599104664f55a6d5bdaed

Download Submit
memory/1660-0-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/1660-1-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1660-2-0x0000000000250000-0x00000000002AB000-memory.dmp

Filesize
364KB

Download
memory/1660-4-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2660-7-0x00000000003A0000-0x00000000003FB000-memory.dmp

Filesize
364KB

Download
memory/2660-8-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2660-10-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2660-11-0x00000000003A0000-0x00000000003FB000-memory.dmp

Filesize
364KB

Download