c393614be368d623159c447cf93f9a6f1b94741528e85e0471345c9a06cb15ea

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05/03/2024, 14:25

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General

Target

b4ec0c44d110c57273dea44b24ded60d.exe
Size

13KB
MD5

b4ec0c44d110c57273dea44b24ded60d
SHA1

8445fbc6da10e6445fc96f66a9e913e68f55d6e7
SHA256

c393614be368d623159c447cf93f9a6f1b94741528e85e0471345c9a06cb15ea
SHA512

302eb3eecda03486584872b0f06517d92cc8acd97fa494ea5c93514477597760bd8ea05d466d364181b72e895d5e745c5f5d15a64eb45bd0c6f114e10c397f2b
SSDEEP

384:2BXg69sWVUN6cK6adGYQ6R/LlTV7ANdkFfzpC:y9sWVq1ydGYQ4LlOdk1

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
2972	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1496	kandawfk.exe

Loads dropped DLL 2 IoCs

pid	Process
1228	b4ec0c44d110c57273dea44b24ded60d.exe
1228	b4ec0c44d110c57273dea44b24ded60d.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1228-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/files/0x000e000000013420-3.dat	upx
behavioral1/memory/1228-4-0x0000000000230000-0x0000000000240000-memory.dmp	upx
behavioral1/memory/1496-12-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/1228-13-0x0000000000400000-0x0000000000410000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\kandawf.dll	b4ec0c44d110c57273dea44b24ded60d.exe
File created	C:\Windows\SysWOW64\kandawfk.exe	b4ec0c44d110c57273dea44b24ded60d.exe
File opened for modification	C:\Windows\SysWOW64\kandawfk.exe	b4ec0c44d110c57273dea44b24ded60d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1228 wrote to memory of 1496	1228	b4ec0c44d110c57273dea44b24ded60d.exe	28
PID 1228 wrote to memory of 1496	1228	b4ec0c44d110c57273dea44b24ded60d.exe	28
PID 1228 wrote to memory of 1496	1228	b4ec0c44d110c57273dea44b24ded60d.exe	28
PID 1228 wrote to memory of 1496	1228	b4ec0c44d110c57273dea44b24ded60d.exe	28
PID 1228 wrote to memory of 2972	1228	b4ec0c44d110c57273dea44b24ded60d.exe	29
PID 1228 wrote to memory of 2972	1228	b4ec0c44d110c57273dea44b24ded60d.exe	29
PID 1228 wrote to memory of 2972	1228	b4ec0c44d110c57273dea44b24ded60d.exe	29
PID 1228 wrote to memory of 2972	1228	b4ec0c44d110c57273dea44b24ded60d.exe	29

C:\Users\Admin\AppData\Local\Temp\b4ec0c44d110c57273dea44b24ded60d.exe
"C:\Users\Admin\AppData\Local\Temp\b4ec0c44d110c57273dea44b24ded60d.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Windows\SysWOW64\kandawfk.exe
  C:\Windows\system32\kandawfk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:1496
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\b4ec0c44d110c57273dea44b24ded60d.exe.bat
  2⤵
  - Deletes itself
  PID:2972

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\b4ec0c44d110c57273dea44b24ded60d.exe.bat

Filesize
182B

MD5
30f1de4fba147e23108e4e5a292e5b12

SHA1
43b30fe3d8c84266c313fafd74e7f231a6cca3d2

SHA256
b4045954d771fd7bcfd9dea919b66b4b2996a84a27eb54ea36d948bd14bb0f01

SHA512
bace0579f45624cb364220dd265d90e4c2f874990482a9b69d4949fd2220cee3f07e8e84e2c710bcb5c9480081ae3a5f199a9501ec7b8736b13cb0edadeb653f

Download Submit
\Windows\SysWOW64\kandawfk.exe

Filesize
13KB

MD5
b4ec0c44d110c57273dea44b24ded60d

SHA1
8445fbc6da10e6445fc96f66a9e913e68f55d6e7

SHA256
c393614be368d623159c447cf93f9a6f1b94741528e85e0471345c9a06cb15ea

SHA512
302eb3eecda03486584872b0f06517d92cc8acd97fa494ea5c93514477597760bd8ea05d466d364181b72e895d5e745c5f5d15a64eb45bd0c6f114e10c397f2b

Download Submit
memory/1228-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1228-4-0x0000000000230000-0x0000000000240000-memory.dmp

Filesize
64KB

Download
memory/1228-11-0x0000000000230000-0x0000000000240000-memory.dmp

Filesize
64KB

Download
memory/1228-13-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1228-17-0x0000000000230000-0x0000000000240000-memory.dmp

Filesize
64KB

Download
memory/1496-12-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download