cfe0e620039776c31ca3b51330d30af8c961c1b68d2f7ec94da318eb4a73fda6

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/03/2024, 05:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

bff5fecfbb814b0565a627c7c0a65f60.exe
Size

36KB
MD5

bff5fecfbb814b0565a627c7c0a65f60
SHA1

2938804ffc44880f5c1ed126c4676655b234267f
SHA256

cfe0e620039776c31ca3b51330d30af8c961c1b68d2f7ec94da318eb4a73fda6
SHA512

03204475f3cd898f6dbe8431a4c9458f2dbdaa3983565baef7fd3c805c9044c61a7e16cc7a13463d1e157967802cabe7db4badf3a9c94cfa7cf827d0c3ac32ff
SSDEEP

768:hNH7nhU9mZzvky4wWPZrxSLXY+70YJN0wPTlga9NlLFlvHx:DH7WQWAyrALI+70YJ7PpFF5ZR

Score

8^/10

persistence upx

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	bff5fecfbb814b0565a627c7c0a65f60.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\x9o22 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\h26lr2.exe"	bff5fecfbb814b0565a627c7c0a65f60.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	h26lr2.exe

Executes dropped EXE 2 IoCs

pid	Process
1580	h26lr2.exe
3144	h26lr2.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2788-0-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/files/0x000a000000023228-5.dat	upx
behavioral2/memory/1580-7-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/2788-12-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/1580-17-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/3144-18-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/3144-23-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/1580-26-0x0000000000400000-0x0000000000423000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\uaj4mpa.log	h26lr2.exe

Launches sc.exe 6 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
3368	sc.exe
4504	sc.exe
4684	sc.exe
1468	sc.exe
5040	sc.exe
3300	sc.exe

Runs net.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
2788	bff5fecfbb814b0565a627c7c0a65f60.exe
2788	bff5fecfbb814b0565a627c7c0a65f60.exe
2788	bff5fecfbb814b0565a627c7c0a65f60.exe
1580	h26lr2.exe
1580	h26lr2.exe
1580	h26lr2.exe
3144	h26lr2.exe
3144	h26lr2.exe
3144	h26lr2.exe

Suspicious use of WriteProcessMemory 63 IoCs

description	pid	Process	procid_target
PID 2788 wrote to memory of 3164	2788	bff5fecfbb814b0565a627c7c0a65f60.exe	94
PID 2788 wrote to memory of 3164	2788	bff5fecfbb814b0565a627c7c0a65f60.exe	94
PID 2788 wrote to memory of 3164	2788	bff5fecfbb814b0565a627c7c0a65f60.exe	94
PID 2788 wrote to memory of 3300	2788	bff5fecfbb814b0565a627c7c0a65f60.exe	95
PID 2788 wrote to memory of 3300	2788	bff5fecfbb814b0565a627c7c0a65f60.exe	95
PID 2788 wrote to memory of 3300	2788	bff5fecfbb814b0565a627c7c0a65f60.exe	95
PID 2788 wrote to memory of 4156	2788	bff5fecfbb814b0565a627c7c0a65f60.exe	96
PID 2788 wrote to memory of 4156	2788	bff5fecfbb814b0565a627c7c0a65f60.exe	96
PID 2788 wrote to memory of 4156	2788	bff5fecfbb814b0565a627c7c0a65f60.exe	96
PID 2788 wrote to memory of 3368	2788	bff5fecfbb814b0565a627c7c0a65f60.exe	97
PID 2788 wrote to memory of 3368	2788	bff5fecfbb814b0565a627c7c0a65f60.exe	97
PID 2788 wrote to memory of 3368	2788	bff5fecfbb814b0565a627c7c0a65f60.exe	97
PID 2788 wrote to memory of 1580	2788	bff5fecfbb814b0565a627c7c0a65f60.exe	99
PID 2788 wrote to memory of 1580	2788	bff5fecfbb814b0565a627c7c0a65f60.exe	99
PID 2788 wrote to memory of 1580	2788	bff5fecfbb814b0565a627c7c0a65f60.exe	99
PID 3164 wrote to memory of 2224	3164	net.exe	103
PID 3164 wrote to memory of 2224	3164	net.exe	103
PID 3164 wrote to memory of 2224	3164	net.exe	103
PID 2788 wrote to memory of 748	2788	bff5fecfbb814b0565a627c7c0a65f60.exe	104
PID 2788 wrote to memory of 748	2788	bff5fecfbb814b0565a627c7c0a65f60.exe	104
PID 2788 wrote to memory of 748	2788	bff5fecfbb814b0565a627c7c0a65f60.exe	104
PID 4156 wrote to memory of 372	4156	net.exe	105
PID 4156 wrote to memory of 372	4156	net.exe	105
PID 4156 wrote to memory of 372	4156	net.exe	105
PID 1580 wrote to memory of 3216	1580	h26lr2.exe	107
PID 1580 wrote to memory of 3216	1580	h26lr2.exe	107
PID 1580 wrote to memory of 3216	1580	h26lr2.exe	107
PID 1580 wrote to memory of 4504	1580	h26lr2.exe	108
PID 1580 wrote to memory of 4504	1580	h26lr2.exe	108
PID 1580 wrote to memory of 4504	1580	h26lr2.exe	108
PID 1580 wrote to memory of 2860	1580	h26lr2.exe	109
PID 1580 wrote to memory of 2860	1580	h26lr2.exe	109
PID 1580 wrote to memory of 2860	1580	h26lr2.exe	109
PID 1580 wrote to memory of 4684	1580	h26lr2.exe	110
PID 1580 wrote to memory of 4684	1580	h26lr2.exe	110
PID 1580 wrote to memory of 4684	1580	h26lr2.exe	110
PID 1580 wrote to memory of 3144	1580	h26lr2.exe	111
PID 1580 wrote to memory of 3144	1580	h26lr2.exe	111
PID 1580 wrote to memory of 3144	1580	h26lr2.exe	111
PID 3216 wrote to memory of 2652	3216	net.exe	116
PID 3216 wrote to memory of 2652	3216	net.exe	116
PID 3216 wrote to memory of 2652	3216	net.exe	116
PID 2860 wrote to memory of 1552	2860	net.exe	117
PID 2860 wrote to memory of 1552	2860	net.exe	117
PID 2860 wrote to memory of 1552	2860	net.exe	117
PID 3144 wrote to memory of 1376	3144	h26lr2.exe	118
PID 3144 wrote to memory of 1376	3144	h26lr2.exe	118
PID 3144 wrote to memory of 1376	3144	h26lr2.exe	118
PID 3144 wrote to memory of 1468	3144	h26lr2.exe	119
PID 3144 wrote to memory of 1468	3144	h26lr2.exe	119
PID 3144 wrote to memory of 1468	3144	h26lr2.exe	119
PID 3144 wrote to memory of 4100	3144	h26lr2.exe	120
PID 3144 wrote to memory of 4100	3144	h26lr2.exe	120
PID 3144 wrote to memory of 4100	3144	h26lr2.exe	120
PID 3144 wrote to memory of 5040	3144	h26lr2.exe	121
PID 3144 wrote to memory of 5040	3144	h26lr2.exe	121
PID 3144 wrote to memory of 5040	3144	h26lr2.exe	121
PID 1376 wrote to memory of 1900	1376	net.exe	126
PID 1376 wrote to memory of 1900	1376	net.exe	126
PID 1376 wrote to memory of 1900	1376	net.exe	126
PID 4100 wrote to memory of 3132	4100	net.exe	127
PID 4100 wrote to memory of 3132	4100	net.exe	127
PID 4100 wrote to memory of 3132	4100	net.exe	127

C:\Users\Admin\AppData\Local\Temp\bff5fecfbb814b0565a627c7c0a65f60.exe
"C:\Users\Admin\AppData\Local\Temp\bff5fecfbb814b0565a627c7c0a65f60.exe"
1⤵
- Adds policy Run key to start application
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2788
- C:\Windows\SysWOW64\net.exe
  net.exe stop "Security Center"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3164
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop "Security Center"
    3⤵
    PID:2224
- C:\Windows\SysWOW64\sc.exe
  sc config wscsvc start= DISABLED
  2⤵
  - Launches sc.exe
  PID:3300
- C:\Windows\SysWOW64\net.exe
  net.exe stop "Windows Firewall/Internet Connection Sharing (ICS)"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4156
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop "Windows Firewall/Internet Connection Sharing (ICS)"
    3⤵
    PID:372
- C:\Windows\SysWOW64\sc.exe
  sc config SharedAccess start= DISABLED
  2⤵
  - Launches sc.exe
  PID:3368
- C:\Users\Admin\AppData\Local\Temp\h26lr2.exe
  C:\Users\Admin\AppData\Local\Temp\h26lr2.exe
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1580
- - C:\Windows\SysWOW64\net.exe
    net.exe stop "Security Center"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3216
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop "Security Center"
      4⤵
      PID:2652
- - C:\Windows\SysWOW64\sc.exe
    sc config wscsvc start= DISABLED
    3⤵
    - Launches sc.exe
    PID:4504
- - C:\Windows\SysWOW64\net.exe
    net.exe stop "Windows Firewall/Internet Connection Sharing (ICS)"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2860
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop "Windows Firewall/Internet Connection Sharing (ICS)"
      4⤵
      PID:1552
- - C:\Windows\SysWOW64\sc.exe
    sc config SharedAccess start= DISABLED
    3⤵
    - Launches sc.exe
    PID:4684
- - C:\Users\Admin\AppData\Local\Temp\h26lr2.exe
    C:\Users\Admin\AppData\Local\Temp\h26lr2.exe -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
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3144
  - - C:\Windows\SysWOW64\net.exe
      net.exe stop "Security Center"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1376
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop "Security Center"
        5⤵
        
        PID:1900
  - - C:\Windows\SysWOW64\sc.exe
      sc config wscsvc start= DISABLED
      4⤵
      Launches sc.exe
      PID:1468
  - - C:\Windows\SysWOW64\net.exe
      net.exe stop "Windows Firewall/Internet Connection Sharing (ICS)"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4100
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop "Windows Firewall/Internet Connection Sharing (ICS)"
        5⤵
        
        PID:3132
  - - C:\Windows\SysWOW64\sc.exe
      sc config SharedAccess start= DISABLED
      4⤵
      Launches sc.exe
      PID:5040
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\f7lf8ipd.bat
  2⤵
  PID:748

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\f7lf8ipd.bat

Filesize
190B

MD5
b11ddfed0d3763a1f1309f152c7827f7

SHA1
0a64f505c574510606e0654610af7771577cfe7e

SHA256
047ee0c4032f6e5b751bc09ca01cb2c233208c905f59a9865952239b15af0baa

SHA512
26190652d06c84214a443aabfb344db18ba16b3def6ab08256291c365cea2474616928711ad6da97ede86a12c746b5bbfdacaafa4235b0e4913da78e2fca7205

Download Submit
C:\Users\Admin\AppData\Local\Temp\h26lr2.exe

Filesize
36KB

MD5
bff5fecfbb814b0565a627c7c0a65f60

SHA1
2938804ffc44880f5c1ed126c4676655b234267f

SHA256
cfe0e620039776c31ca3b51330d30af8c961c1b68d2f7ec94da318eb4a73fda6

SHA512
03204475f3cd898f6dbe8431a4c9458f2dbdaa3983565baef7fd3c805c9044c61a7e16cc7a13463d1e157967802cabe7db4badf3a9c94cfa7cf827d0c3ac32ff

Download Submit
memory/1580-7-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1580-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1580-26-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2788-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2788-12-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3144-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3144-23-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads