16c7f764908b929249b5d18e00cf68121d84c8b9c29e805b3a91904e1b39d508

Analysis

max time kernel
148s
max time network
122s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
24/12/2023, 16:51

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General

Target

06a6919d404c12c2dae0025041f2ceb7.exe
Size

1.1MB
MD5

06a6919d404c12c2dae0025041f2ceb7
SHA1

17c1c16968cb6d8962107f51d1e4ae1b3b6fb794
SHA256

16c7f764908b929249b5d18e00cf68121d84c8b9c29e805b3a91904e1b39d508
SHA512

711dde2ad4a6c0ea125eeef1458dd6897620142e18ec8d9cda159323480405f55d853c8cadd1ac0b0e2fac746d119d39f1f6bd7b210e095d500285a113ea79fa
SSDEEP

12288:rbpHYUKy5U1bo9t8DMRSW9vbciUiLuAvOxMt11i27QitjrNNHANE:r5sJo6YrFUiyAak11LtjrNL

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2984	svchest000.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2968-0-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/files/0x000a000000015f7a-9.dat	upx
behavioral1/memory/2984-10-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/2984-14-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/2984-11-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/files/0x000a000000015f7a-7.dat	upx
behavioral1/memory/2968-1-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/2968-15-0x0000000000400000-0x0000000000597000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\06a6919d404c12c2dae0025041f2ceb7.exe"	06a6919d404c12c2dae0025041f2ceb7.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2968	06a6919d404c12c2dae0025041f2ceb7.exe
2984	svchest000.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	06a6919d404c12c2dae0025041f2ceb7.exe
File opened for modification	\??\c:\Windows\BJ.exe	06a6919d404c12c2dae0025041f2ceb7.exe
File created	\??\c:\Windows\svchest000.exe	06a6919d404c12c2dae0025041f2ceb7.exe
File opened for modification	\??\c:\Windows\svchest000.exe	06a6919d404c12c2dae0025041f2ceb7.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 2984	2968	06a6919d404c12c2dae0025041f2ceb7.exe	16
PID 2968 wrote to memory of 2984	2968	06a6919d404c12c2dae0025041f2ceb7.exe	16
PID 2968 wrote to memory of 2984	2968	06a6919d404c12c2dae0025041f2ceb7.exe	16
PID 2968 wrote to memory of 2984	2968	06a6919d404c12c2dae0025041f2ceb7.exe	16

C:\Users\Admin\AppData\Local\Temp\06a6919d404c12c2dae0025041f2ceb7.exe
"C:\Users\Admin\AppData\Local\Temp\06a6919d404c12c2dae0025041f2ceb7.exe"
1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2968
- \??\c:\Windows\svchest000.exe
  c:\Windows\svchest000.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  PID:2984

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

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Downloads

C:\Windows\svchest000.exe

Filesize
1KB

MD5
d44b0f690b7a6d07d6e28d621a067e28

SHA1
f1dd0c9ed41ef43d54206e4e37d24c6f8808b038

SHA256
c3d5d74412d237def9c3b5a103ac3782499f0490f7d391a6a5055c61a65ff2fa

SHA512
908d450eb7d7e0e9f1fddfacafe40805307edcbdfa395415e55eaf233311759063f4dc2b976b234948dc93848331fac74b72745a1ef1b2456d17dcc46542190d

Download Submit
memory/2968-0-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2968-1-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2968-15-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2968-16-0x00000000025C0000-0x0000000002757000-memory.dmp

Filesize
1.6MB

Download
memory/2984-10-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2984-14-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2984-11-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads