fc02f7a4f86c38c6c01c184574433562233ab915ddb96933512f865505076393

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 10:48

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General

Target

1661fe280e7b0547e0311427810b32eb.exe
Size

12KB
MD5

1661fe280e7b0547e0311427810b32eb
SHA1

205348e83544ced96e69fc32b7b7a9329f69f8bd
SHA256

fc02f7a4f86c38c6c01c184574433562233ab915ddb96933512f865505076393
SHA512

1558d55875a33ada7252daa38776efb0501662c5a27ac83bd3d5601fe64ca4752c20a690c45761ea896bc5734ae6ed87002c3e1b57583700852f2ccab4619b13
SSDEEP

192:rgu7KSO71F/9yeeA7TI1agJ8Yb7gwGQAeHLkUb18btraXX2i5dNy+:rhWSO71R9lKVXb7eet8imi5dh

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

Deletes itself 1 IoCs

pid	Process
2716	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1956	kandofttk.exe

Loads dropped DLL 2 IoCs

pid	Process
3020	1661fe280e7b0547e0311427810b32eb.exe
3020	1661fe280e7b0547e0311427810b32eb.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3020-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/files/0x000c000000015b12-3.dat	upx
behavioral1/memory/3020-4-0x00000000002B0000-0x00000000002BF000-memory.dmp	upx
behavioral1/memory/1956-11-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/3020-12-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\kandoftt.dll	1661fe280e7b0547e0311427810b32eb.exe
File created	C:\Windows\SysWOW64\kandofttk.exe	1661fe280e7b0547e0311427810b32eb.exe
File opened for modification	C:\Windows\SysWOW64\kandofttk.exe	1661fe280e7b0547e0311427810b32eb.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 1956	3020	1661fe280e7b0547e0311427810b32eb.exe	28
PID 3020 wrote to memory of 1956	3020	1661fe280e7b0547e0311427810b32eb.exe	28
PID 3020 wrote to memory of 1956	3020	1661fe280e7b0547e0311427810b32eb.exe	28
PID 3020 wrote to memory of 1956	3020	1661fe280e7b0547e0311427810b32eb.exe	28
PID 3020 wrote to memory of 2716	3020	1661fe280e7b0547e0311427810b32eb.exe	29
PID 3020 wrote to memory of 2716	3020	1661fe280e7b0547e0311427810b32eb.exe	29
PID 3020 wrote to memory of 2716	3020	1661fe280e7b0547e0311427810b32eb.exe	29
PID 3020 wrote to memory of 2716	3020	1661fe280e7b0547e0311427810b32eb.exe	29

C:\Users\Admin\AppData\Local\Temp\1661fe280e7b0547e0311427810b32eb.exe
"C:\Users\Admin\AppData\Local\Temp\1661fe280e7b0547e0311427810b32eb.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Windows\SysWOW64\kandofttk.exe
  C:\Windows\system32\kandofttk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:1956
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\1661fe280e7b0547e0311427810b32eb.exe.bat
  2⤵
  - Deletes itself
  PID:2716

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:\Users\Admin\AppData\Local\Temp\1661fe280e7b0547e0311427810b32eb.exe.bat

Filesize
182B

MD5
16d172d028d93eb5e9c272ce166666a5

SHA1
e083b2a23d25c23118c1baaffbb1d800b507920c

SHA256
0632120362882df02f742ee872351d7f8412145792abf47a1f3e70f850c78586

SHA512
47931f5f4c551b2b2e063003f90e598852e5a6c04612bbcf7687e91c529b4fd264a074f3f5b5ed8b38c7d267c200ea3046f407848b2a85fc3c38b933ac7fa99f

Download Submit
\Windows\SysWOW64\kandofttk.exe

Filesize
12KB

MD5
1661fe280e7b0547e0311427810b32eb

SHA1
205348e83544ced96e69fc32b7b7a9329f69f8bd

SHA256
fc02f7a4f86c38c6c01c184574433562233ab915ddb96933512f865505076393

SHA512
1558d55875a33ada7252daa38776efb0501662c5a27ac83bd3d5601fe64ca4752c20a690c45761ea896bc5734ae6ed87002c3e1b57583700852f2ccab4619b13

Download Submit
memory/1956-11-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3020-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3020-4-0x00000000002B0000-0x00000000002BF000-memory.dmp

Filesize
60KB

Download
memory/3020-12-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3020-16-0x00000000002B0000-0x00000000002BF000-memory.dmp

Filesize
60KB

Download