7e9c61541176674c48fbf5cadcadd5f73690e903583c583224f5e0b9bce579e6

Analysis

max time kernel
159s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 12:18

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General

Target

7e9c61541176674c48fbf5cadcadd5f73690e903583c583224f5e0b9bce579e6.exe
Size

789KB
MD5

0b884b415ffd7c3772ad35f63dd49b74
SHA1

fd2cdd23aa6ce3fa5ab34875af95494d28d1e8a3
SHA256

7e9c61541176674c48fbf5cadcadd5f73690e903583c583224f5e0b9bce579e6
SHA512

87c42bad1d62d44481305fcc3fd1d50034ba6ac7c9948b79162c956ac5ba098031801d2aac0d7ebdf669bccc225315af4addb9db3f62f991ce56bf2b24d8be18
SSDEEP

12288:rbpHYUKy5U1bo9t8DMRSW9vbciUiLuAvOxMt11i27Qitj3j:r5sJo6YrFUiyAak11Ltj3j

Score

8^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1180	svchest425075242507520.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/852-132-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/852-133-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/files/0x0007000000022f67-136.dat	upx
behavioral2/files/0x0007000000022f67-137.dat	upx
behavioral2/memory/1180-138-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/1180-140-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/852-141-0x0000000000400000-0x0000000000597000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	7e9c61541176674c48fbf5cadcadd5f73690e903583c583224f5e0b9bce579e6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7e9c61541176674c48fbf5cadcadd5f73690e903583c583224f5e0b9bce579e6.exe"	7e9c61541176674c48fbf5cadcadd5f73690e903583c583224f5e0b9bce579e6.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
852	7e9c61541176674c48fbf5cadcadd5f73690e903583c583224f5e0b9bce579e6.exe
1180	svchest425075242507520.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Windows\svchest425075242507520.exe	7e9c61541176674c48fbf5cadcadd5f73690e903583c583224f5e0b9bce579e6.exe
File created	\??\c:\Windows\BJ.exe	7e9c61541176674c48fbf5cadcadd5f73690e903583c583224f5e0b9bce579e6.exe
File opened for modification	\??\c:\Windows\BJ.exe	7e9c61541176674c48fbf5cadcadd5f73690e903583c583224f5e0b9bce579e6.exe
File created	\??\c:\Windows\svchest425075242507520.exe	7e9c61541176674c48fbf5cadcadd5f73690e903583c583224f5e0b9bce579e6.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 852 wrote to memory of 1180	852	7e9c61541176674c48fbf5cadcadd5f73690e903583c583224f5e0b9bce579e6.exe	80
PID 852 wrote to memory of 1180	852	7e9c61541176674c48fbf5cadcadd5f73690e903583c583224f5e0b9bce579e6.exe	80
PID 852 wrote to memory of 1180	852	7e9c61541176674c48fbf5cadcadd5f73690e903583c583224f5e0b9bce579e6.exe	80

C:\Users\Admin\AppData\Local\Temp\7e9c61541176674c48fbf5cadcadd5f73690e903583c583224f5e0b9bce579e6.exe
"C:\Users\Admin\AppData\Local\Temp\7e9c61541176674c48fbf5cadcadd5f73690e903583c583224f5e0b9bce579e6.exe"
1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:852
- \??\c:\Windows\svchest425075242507520.exe
  c:\Windows\svchest425075242507520.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  PID:1180

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\svchest425075242507520.exe

Filesize
789KB

MD5
0b884b415ffd7c3772ad35f63dd49b74

SHA1
fd2cdd23aa6ce3fa5ab34875af95494d28d1e8a3

SHA256
7e9c61541176674c48fbf5cadcadd5f73690e903583c583224f5e0b9bce579e6

SHA512
87c42bad1d62d44481305fcc3fd1d50034ba6ac7c9948b79162c956ac5ba098031801d2aac0d7ebdf669bccc225315af4addb9db3f62f991ce56bf2b24d8be18

Download Submit
\??\c:\Windows\svchest425075242507520.exe

Filesize
789KB

MD5
0b884b415ffd7c3772ad35f63dd49b74

SHA1
fd2cdd23aa6ce3fa5ab34875af95494d28d1e8a3

SHA256
7e9c61541176674c48fbf5cadcadd5f73690e903583c583224f5e0b9bce579e6

SHA512
87c42bad1d62d44481305fcc3fd1d50034ba6ac7c9948b79162c956ac5ba098031801d2aac0d7ebdf669bccc225315af4addb9db3f62f991ce56bf2b24d8be18

Download Submit
memory/852-132-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/852-133-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/852-141-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/1180-138-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/1180-140-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download