dce4555e1cb6a788c4ef0cc1c3df1c0f855cf1edfea4e8945616db1af23a89f6

General

Target

NEAS.5d0ba2adb481d9df4c126820fe7e7a70.exe
Size

133KB
MD5

5d0ba2adb481d9df4c126820fe7e7a70
SHA1

e484653e3fb5587f88c72512ac4567af43efcabb
SHA256

dce4555e1cb6a788c4ef0cc1c3df1c0f855cf1edfea4e8945616db1af23a89f6
SHA512

ed89dec2826a5e01ad14593b70be986273be68113962565aa03bfda93b91ab51883cd963ddf0347faa40b36377c74fee4c84d214b42c18771315002fdc7374ff
SSDEEP

3072:DNE9j8b3ZXgKC1hX//iASOXRJzDOD26jKNmmucu:hEebiKuX//iZOXRJ3OD26jx

Score

8^/10

evasion upx

Malware Config

Signatures

Stops running service(s) 3 TTPs
evasion

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Executes dropped EXE 1 IoCs

pid	Process
3048	smss.exe

Loads dropped DLL 2 IoCs

pid	Process
3012	NEAS.5d0ba2adb481d9df4c126820fe7e7a70.exe
3012	NEAS.5d0ba2adb481d9df4c126820fe7e7a70.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3012-0-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/files/0x001b000000015c7f-4.dat	upx
behavioral1/files/0x001b000000015c7f-6.dat	upx
behavioral1/files/0x001b000000015c7f-9.dat	upx
behavioral1/files/0x001b000000015c7f-11.dat	upx
behavioral1/memory/3048-12-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/files/0x001b000000015c7f-15.dat	upx
behavioral1/memory/3012-18-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/3048-17-0x0000000000400000-0x0000000000423000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\1230\smss.exe	NEAS.5d0ba2adb481d9df4c126820fe7e7a70.exe
File opened for modification	C:\Windows\SysWOW64\1230\smss.exe	smss.exe
File opened for modification	C:\Windows\SysWOW64\Service.exe	smss.exe

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
3008	sc.exe
3032	sc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3012	NEAS.5d0ba2adb481d9df4c126820fe7e7a70.exe
3048	smss.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 3008	3012	NEAS.5d0ba2adb481d9df4c126820fe7e7a70.exe	28
PID 3012 wrote to memory of 3008	3012	NEAS.5d0ba2adb481d9df4c126820fe7e7a70.exe	28
PID 3012 wrote to memory of 3008	3012	NEAS.5d0ba2adb481d9df4c126820fe7e7a70.exe	28
PID 3012 wrote to memory of 3008	3012	NEAS.5d0ba2adb481d9df4c126820fe7e7a70.exe	28
PID 3012 wrote to memory of 3048	3012	NEAS.5d0ba2adb481d9df4c126820fe7e7a70.exe	30
PID 3012 wrote to memory of 3048	3012	NEAS.5d0ba2adb481d9df4c126820fe7e7a70.exe	30
PID 3012 wrote to memory of 3048	3012	NEAS.5d0ba2adb481d9df4c126820fe7e7a70.exe	30
PID 3012 wrote to memory of 3048	3012	NEAS.5d0ba2adb481d9df4c126820fe7e7a70.exe	30
PID 3048 wrote to memory of 3032	3048	smss.exe	31
PID 3048 wrote to memory of 3032	3048	smss.exe	31
PID 3048 wrote to memory of 3032	3048	smss.exe	31
PID 3048 wrote to memory of 3032	3048	smss.exe	31

C:\Users\Admin\AppData\Local\Temp\NEAS.5d0ba2adb481d9df4c126820fe7e7a70.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.5d0ba2adb481d9df4c126820fe7e7a70.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe stop wscsvc
  2⤵
  - Launches sc.exe
  PID:3008
- C:\Windows\SysWOW64\1230\smss.exe
  C:\Windows\system32\1230\smss.exe -d
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3048
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe stop wscsvc
    3⤵
    - Launches sc.exe
    PID:3032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1

T1489

Replay Monitor

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Downloads

C:\Windows\SysWOW64\1230\smss.exe

Filesize
133KB

MD5
96ba56f2e9360316878ea3e147d04691

SHA1
d1f0c796fb8ea4f04948057c06af54ab5c663d88

SHA256
7069ca4f4a8d2d2d0fe0855ae11825dde83606412df96305b968bae47d0ca07b

SHA512
d2023e2d89362091499fb0d5d60518c49fb770cefe9f4d72f86174a048e54577627458cdec99c684c0831995e8594f485c537e2f87e38415e092241332e06c64

Download Submit
C:\Windows\SysWOW64\1230\smss.exe

Filesize
133KB

MD5
96ba56f2e9360316878ea3e147d04691

SHA1
d1f0c796fb8ea4f04948057c06af54ab5c663d88

SHA256
7069ca4f4a8d2d2d0fe0855ae11825dde83606412df96305b968bae47d0ca07b

SHA512
d2023e2d89362091499fb0d5d60518c49fb770cefe9f4d72f86174a048e54577627458cdec99c684c0831995e8594f485c537e2f87e38415e092241332e06c64

Download Submit
C:\Windows\SysWOW64\1230\smss.exe

Filesize
133KB

MD5
96ba56f2e9360316878ea3e147d04691

SHA1
d1f0c796fb8ea4f04948057c06af54ab5c663d88

SHA256
7069ca4f4a8d2d2d0fe0855ae11825dde83606412df96305b968bae47d0ca07b

SHA512
d2023e2d89362091499fb0d5d60518c49fb770cefe9f4d72f86174a048e54577627458cdec99c684c0831995e8594f485c537e2f87e38415e092241332e06c64

Download Submit
\Windows\SysWOW64\1230\smss.exe

Filesize
133KB

MD5
96ba56f2e9360316878ea3e147d04691

SHA1
d1f0c796fb8ea4f04948057c06af54ab5c663d88

SHA256
7069ca4f4a8d2d2d0fe0855ae11825dde83606412df96305b968bae47d0ca07b

SHA512
d2023e2d89362091499fb0d5d60518c49fb770cefe9f4d72f86174a048e54577627458cdec99c684c0831995e8594f485c537e2f87e38415e092241332e06c64

Download Submit
\Windows\SysWOW64\1230\smss.exe

Filesize
133KB

MD5
96ba56f2e9360316878ea3e147d04691

SHA1
d1f0c796fb8ea4f04948057c06af54ab5c663d88

SHA256
7069ca4f4a8d2d2d0fe0855ae11825dde83606412df96305b968bae47d0ca07b

SHA512
d2023e2d89362091499fb0d5d60518c49fb770cefe9f4d72f86174a048e54577627458cdec99c684c0831995e8594f485c537e2f87e38415e092241332e06c64

Download Submit
memory/3012-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3012-10-0x0000000000280000-0x00000000002A3000-memory.dmp

Filesize
140KB

Download
memory/3012-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3048-12-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3048-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download

Analysis

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