6b162925ebfcfb31cbce697bfd2de2a73ebea8b47a4ebf6fdd5eedf5e015f4f4

Analysis

max time kernel
150s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 03:27

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General

Target

0cf18f407a5ef886e135750c7ed756cf.exe
Size

12KB
MD5

0cf18f407a5ef886e135750c7ed756cf
SHA1

578364476837ae2999d70358b7fd539e6d0c190b
SHA256

6b162925ebfcfb31cbce697bfd2de2a73ebea8b47a4ebf6fdd5eedf5e015f4f4
SHA512

3400aa41ece292c72403d24022f0218bdf51fc2512e2cfc493c3db958920c4a50075edf1b0e77b7d176fec83d7c98d4bea15d0dfe30d23282a4cf9294fa07725
SSDEEP

192:v11fy/3+16rV7qwLvA3tu6A5L2QWOpUvwmRNLIKvuRx/eJKL+:d1fy/S6FqJpOpewAny8F

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
2860	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2196	jolinenk.exe

Loads dropped DLL 2 IoCs

pid	Process
2200	0cf18f407a5ef886e135750c7ed756cf.exe
2200	0cf18f407a5ef886e135750c7ed756cf.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2200-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/files/0x000d0000000122c3-3.dat	upx
behavioral1/memory/2200-4-0x0000000000240000-0x000000000024F000-memory.dmp	upx
behavioral1/memory/2196-12-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2200-13-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\jolinenk.exe	0cf18f407a5ef886e135750c7ed756cf.exe
File created	C:\Windows\SysWOW64\jolinen.dll	0cf18f407a5ef886e135750c7ed756cf.exe
File created	C:\Windows\SysWOW64\jolinenk.exe	0cf18f407a5ef886e135750c7ed756cf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 2196	2200	0cf18f407a5ef886e135750c7ed756cf.exe	28
PID 2200 wrote to memory of 2196	2200	0cf18f407a5ef886e135750c7ed756cf.exe	28
PID 2200 wrote to memory of 2196	2200	0cf18f407a5ef886e135750c7ed756cf.exe	28
PID 2200 wrote to memory of 2196	2200	0cf18f407a5ef886e135750c7ed756cf.exe	28
PID 2200 wrote to memory of 2860	2200	0cf18f407a5ef886e135750c7ed756cf.exe	31
PID 2200 wrote to memory of 2860	2200	0cf18f407a5ef886e135750c7ed756cf.exe	31
PID 2200 wrote to memory of 2860	2200	0cf18f407a5ef886e135750c7ed756cf.exe	31
PID 2200 wrote to memory of 2860	2200	0cf18f407a5ef886e135750c7ed756cf.exe	31

C:\Users\Admin\AppData\Local\Temp\0cf18f407a5ef886e135750c7ed756cf.exe
"C:\Users\Admin\AppData\Local\Temp\0cf18f407a5ef886e135750c7ed756cf.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Windows\SysWOW64\jolinenk.exe
  C:\Windows\system32\jolinenk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:2196
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\0cf18f407a5ef886e135750c7ed756cf.exe.bat
  2⤵
  - Deletes itself
  PID:2860

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\0cf18f407a5ef886e135750c7ed756cf.exe.bat

Filesize
182B

MD5
f4febde3c6cce89dd101d62072224d50

SHA1
34ca8f7788af540b5452cf40d39c3d0cf5a839a7

SHA256
b60c7ae6021807dd3f2dfabfd249843a4fcc69841d0b3771851e11c0d9eb38c7

SHA512
2d97bd175b41c1ddd96d09b75e1dcf0e36d099760fe3eda59b6508e1a90c8f3bd602761b525991dfb2b1d1fbd2473477cd068049ffed141bd14eb6b4375a98fe

Download Submit
\Windows\SysWOW64\jolinenk.exe

Filesize
12KB

MD5
0cf18f407a5ef886e135750c7ed756cf

SHA1
578364476837ae2999d70358b7fd539e6d0c190b

SHA256
6b162925ebfcfb31cbce697bfd2de2a73ebea8b47a4ebf6fdd5eedf5e015f4f4

SHA512
3400aa41ece292c72403d24022f0218bdf51fc2512e2cfc493c3db958920c4a50075edf1b0e77b7d176fec83d7c98d4bea15d0dfe30d23282a4cf9294fa07725

Download Submit
memory/2196-12-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2200-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2200-4-0x0000000000240000-0x000000000024F000-memory.dmp

Filesize
60KB

Download
memory/2200-11-0x0000000000240000-0x000000000024F000-memory.dmp

Filesize
60KB

Download
memory/2200-13-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2200-17-0x0000000000240000-0x000000000024F000-memory.dmp

Filesize
60KB

Download