c0ab636252b0d4178bee4fe602a5bba77e21b3991b51b3994fbdb6b1823c79d4

Analysis

max time kernel
192s
max time network
203s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
02/12/2022, 22:08

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General

Target

c0ab636252b0d4178bee4fe602a5bba77e21b3991b51b3994fbdb6b1823c79d4.exe
Size

1012KB
MD5

0cc8257f496f9085277edb91294315cd
SHA1

cac8035f3fd1c83d175cc959f4ad55356ce50929
SHA256

c0ab636252b0d4178bee4fe602a5bba77e21b3991b51b3994fbdb6b1823c79d4
SHA512

2db6c2dad003695bb42336d96a0fc5003ca63ac155696f531b94b987d78928aaa77cdafc367339b252f36da8e0093b6585f1f2848da93cb5eae2a60f32c6c3bd
SSDEEP

12288:rbpHYUKy5U1bo9t8DMRSW9vbciUiLuAvOxMt11i27QitjgCHANUT4G:r5sJo6YrFUiyAak11LtjgrG

Score

8^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
220	svchest425075242507520.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4928-132-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/4928-133-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/files/0x0008000000022e10-136.dat	upx
behavioral2/files/0x0008000000022e10-137.dat	upx
behavioral2/memory/220-138-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/220-140-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/4928-141-0x0000000000400000-0x0000000000597000-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	c0ab636252b0d4178bee4fe602a5bba77e21b3991b51b3994fbdb6b1823c79d4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c0ab636252b0d4178bee4fe602a5bba77e21b3991b51b3994fbdb6b1823c79d4.exe"	c0ab636252b0d4178bee4fe602a5bba77e21b3991b51b3994fbdb6b1823c79d4.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4928	c0ab636252b0d4178bee4fe602a5bba77e21b3991b51b3994fbdb6b1823c79d4.exe
220	svchest425075242507520.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	c0ab636252b0d4178bee4fe602a5bba77e21b3991b51b3994fbdb6b1823c79d4.exe
File created	\??\c:\Windows\svchest425075242507520.exe	c0ab636252b0d4178bee4fe602a5bba77e21b3991b51b3994fbdb6b1823c79d4.exe
File opened for modification	\??\c:\Windows\svchest425075242507520.exe	c0ab636252b0d4178bee4fe602a5bba77e21b3991b51b3994fbdb6b1823c79d4.exe
File opened for modification	\??\c:\Windows\BJ.exe	c0ab636252b0d4178bee4fe602a5bba77e21b3991b51b3994fbdb6b1823c79d4.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 220	4928	c0ab636252b0d4178bee4fe602a5bba77e21b3991b51b3994fbdb6b1823c79d4.exe	85
PID 4928 wrote to memory of 220	4928	c0ab636252b0d4178bee4fe602a5bba77e21b3991b51b3994fbdb6b1823c79d4.exe	85
PID 4928 wrote to memory of 220	4928	c0ab636252b0d4178bee4fe602a5bba77e21b3991b51b3994fbdb6b1823c79d4.exe	85

C:\Users\Admin\AppData\Local\Temp\c0ab636252b0d4178bee4fe602a5bba77e21b3991b51b3994fbdb6b1823c79d4.exe
"C:\Users\Admin\AppData\Local\Temp\c0ab636252b0d4178bee4fe602a5bba77e21b3991b51b3994fbdb6b1823c79d4.exe"
1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4928
- \??\c:\Windows\svchest425075242507520.exe
  c:\Windows\svchest425075242507520.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  PID:220

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
1012KB

MD5
0cc8257f496f9085277edb91294315cd

SHA1
cac8035f3fd1c83d175cc959f4ad55356ce50929

SHA256
c0ab636252b0d4178bee4fe602a5bba77e21b3991b51b3994fbdb6b1823c79d4

SHA512
2db6c2dad003695bb42336d96a0fc5003ca63ac155696f531b94b987d78928aaa77cdafc367339b252f36da8e0093b6585f1f2848da93cb5eae2a60f32c6c3bd

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

Filesize
1012KB

MD5
0cc8257f496f9085277edb91294315cd

SHA1
cac8035f3fd1c83d175cc959f4ad55356ce50929

SHA256
c0ab636252b0d4178bee4fe602a5bba77e21b3991b51b3994fbdb6b1823c79d4

SHA512
2db6c2dad003695bb42336d96a0fc5003ca63ac155696f531b94b987d78928aaa77cdafc367339b252f36da8e0093b6585f1f2848da93cb5eae2a60f32c6c3bd

Download Submit
memory/220-138-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/220-140-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/4928-132-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/4928-133-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/4928-141-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download