1ef7db195fc7d94d8761d52f07b57f9e284dae1008af96fea13ec96f205c8ce7

Analysis

max time kernel
150s
max time network
141s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20-03-2024 09:13

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General

Target

d86f9b4228662e425a24fd1c13617087.exe
Size

293KB
MD5

d86f9b4228662e425a24fd1c13617087
SHA1

0203e3d73b79d1560c9cb793241b0cb7a9686974
SHA256

1ef7db195fc7d94d8761d52f07b57f9e284dae1008af96fea13ec96f205c8ce7
SHA512

252cb4d558abe39c00ad4b89556ed3c4eddb6315ecf2e83198156997e01dedd078633bebae396435cbf8c29892e6f7bd1180bd94de18c682889b145125f06928
SSDEEP

6144:bPdM9MANEVzGlcEDUl4qaRYVQLJTGbusJRhgnGXcLD7Xm2BeddhMHAO+9d:wNEh8cSLqdIsisDhgnG4BBedDMgO+P

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1756	yjruu.exe

Loads dropped DLL 2 IoCs

pid	Process
2240	d86f9b4228662e425a24fd1c13617087.exe
2240	d86f9b4228662e425a24fd1c13617087.exe

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\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\{8AB77948-8466-AD4E-E8B6-6988D6F14A95} = "C:\\Users\\Admin\\AppData\\Roaming\\Juala\\yjruu.exe"	yjruu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2240 set thread context of 1128	2240	d86f9b4228662e425a24fd1c13617087.exe	29

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2708	1128	WerFault.exe	29
2552	2708	WerFault.exe	31

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Privacy	d86f9b4228662e425a24fd1c13617087.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Privacy\CleanCookies = "0"	d86f9b4228662e425a24fd1c13617087.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe
1756	yjruu.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2240	d86f9b4228662e425a24fd1c13617087.exe
Token: SeSecurityPrivilege	2240	d86f9b4228662e425a24fd1c13617087.exe
Token: SeSecurityPrivilege	2240	d86f9b4228662e425a24fd1c13617087.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2240	d86f9b4228662e425a24fd1c13617087.exe
1756	yjruu.exe

Suspicious use of WriteProcessMemory 56 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 1756	2240	d86f9b4228662e425a24fd1c13617087.exe	28
PID 2240 wrote to memory of 1756	2240	d86f9b4228662e425a24fd1c13617087.exe	28
PID 2240 wrote to memory of 1756	2240	d86f9b4228662e425a24fd1c13617087.exe	28
PID 2240 wrote to memory of 1756	2240	d86f9b4228662e425a24fd1c13617087.exe	28
PID 1756 wrote to memory of 1220	1756	yjruu.exe	19
PID 1756 wrote to memory of 1220	1756	yjruu.exe	19
PID 1756 wrote to memory of 1220	1756	yjruu.exe	19
PID 1756 wrote to memory of 1220	1756	yjruu.exe	19
PID 1756 wrote to memory of 1220	1756	yjruu.exe	19
PID 1756 wrote to memory of 1352	1756	yjruu.exe	20
PID 1756 wrote to memory of 1352	1756	yjruu.exe	20
PID 1756 wrote to memory of 1352	1756	yjruu.exe	20
PID 1756 wrote to memory of 1352	1756	yjruu.exe	20
PID 1756 wrote to memory of 1352	1756	yjruu.exe	20
PID 1756 wrote to memory of 1412	1756	yjruu.exe	21
PID 1756 wrote to memory of 1412	1756	yjruu.exe	21
PID 1756 wrote to memory of 1412	1756	yjruu.exe	21
PID 1756 wrote to memory of 1412	1756	yjruu.exe	21
PID 1756 wrote to memory of 1412	1756	yjruu.exe	21
PID 1756 wrote to memory of 872	1756	yjruu.exe	23
PID 1756 wrote to memory of 872	1756	yjruu.exe	23
PID 1756 wrote to memory of 872	1756	yjruu.exe	23
PID 1756 wrote to memory of 872	1756	yjruu.exe	23
PID 1756 wrote to memory of 872	1756	yjruu.exe	23
PID 1756 wrote to memory of 2240	1756	yjruu.exe	27
PID 1756 wrote to memory of 2240	1756	yjruu.exe	27
PID 1756 wrote to memory of 2240	1756	yjruu.exe	27
PID 1756 wrote to memory of 2240	1756	yjruu.exe	27
PID 1756 wrote to memory of 2240	1756	yjruu.exe	27
PID 2240 wrote to memory of 1128	2240	d86f9b4228662e425a24fd1c13617087.exe	29
PID 2240 wrote to memory of 1128	2240	d86f9b4228662e425a24fd1c13617087.exe	29
PID 2240 wrote to memory of 1128	2240	d86f9b4228662e425a24fd1c13617087.exe	29
PID 2240 wrote to memory of 1128	2240	d86f9b4228662e425a24fd1c13617087.exe	29
PID 2240 wrote to memory of 1128	2240	d86f9b4228662e425a24fd1c13617087.exe	29
PID 2240 wrote to memory of 1128	2240	d86f9b4228662e425a24fd1c13617087.exe	29
PID 2240 wrote to memory of 1128	2240	d86f9b4228662e425a24fd1c13617087.exe	29
PID 2240 wrote to memory of 1128	2240	d86f9b4228662e425a24fd1c13617087.exe	29
PID 2240 wrote to memory of 1128	2240	d86f9b4228662e425a24fd1c13617087.exe	29
PID 1128 wrote to memory of 2708	1128	cmd.exe	31
PID 1128 wrote to memory of 2708	1128	cmd.exe	31
PID 1128 wrote to memory of 2708	1128	cmd.exe	31
PID 1128 wrote to memory of 2708	1128	cmd.exe	31
PID 1756 wrote to memory of 1640	1756	yjruu.exe	30
PID 1756 wrote to memory of 1640	1756	yjruu.exe	30
PID 1756 wrote to memory of 1640	1756	yjruu.exe	30
PID 1756 wrote to memory of 1640	1756	yjruu.exe	30
PID 1756 wrote to memory of 1640	1756	yjruu.exe	30
PID 1756 wrote to memory of 2708	1756	yjruu.exe	31
PID 1756 wrote to memory of 2708	1756	yjruu.exe	31
PID 1756 wrote to memory of 2708	1756	yjruu.exe	31
PID 1756 wrote to memory of 2708	1756	yjruu.exe	31
PID 1756 wrote to memory of 2708	1756	yjruu.exe	31
PID 2708 wrote to memory of 2552	2708	WerFault.exe	32
PID 2708 wrote to memory of 2552	2708	WerFault.exe	32
PID 2708 wrote to memory of 2552	2708	WerFault.exe	32
PID 2708 wrote to memory of 2552	2708	WerFault.exe	32

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1220

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1352

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1412
- C:\Users\Admin\AppData\Local\Temp\d86f9b4228662e425a24fd1c13617087.exe
  "C:\Users\Admin\AppData\Local\Temp\d86f9b4228662e425a24fd1c13617087.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2240
- - C:\Users\Admin\AppData\Roaming\Juala\yjruu.exe
    "C:\Users\Admin\AppData\Roaming\Juala\yjruu.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:1756
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp44156433.bat"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1128
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1128 -s 116
      4⤵
      Program crash
      Suspicious use of WriteProcessMemory
      PID:2708
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2708 -s 536
        5⤵
        Program crash
        
        PID:2552

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:872

C:\Windows\system32\conhost.exe
\??\C:\Windows\system32\conhost.exe "1186406822-1341058132-1551836569-412826823-142575701-755290104-6893394921249159978"
1⤵
PID:1640

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\Roaming\Raywyw\ewke.avi

Filesize
366B

MD5
318364d4079cdfe80fe8d52d3714da65

SHA1
4a212e4918fef4c47149d296b9144842a7560ab7

SHA256
3986d21088ab4205ae612bcb02f5e9f403863f0e9b0ff8e98dd2162b5821862d

SHA512
deeae353462560320cd00910a96e24724a0e696ec55b627f9b032879f9946f7db65f3159d859be36557a556249f66d4d35ff9fe441e2d2531a98b21aaa02751c

Download Submit
\Users\Admin\AppData\Roaming\Juala\yjruu.exe

Filesize
293KB

MD5
32c512f6f53f0933f863e27db93840d6

SHA1
acce3edb21139feeb3fb4399156cfe0e81bf6069

SHA256
1f2801c809cbec06b2cc4a709ff1c8759dfb0d672f63231d69e9693e8bed487c

SHA512
b1b6be2f2a3c9d7252a3512a3a1bc9b096819864ecf64736871a26babde8582cbf2f1a4e13b6314d4de7ec326f5288e936b6b51779ff48647ff83dda184f4f52

Download Submit
memory/872-44-0x0000000000340000-0x0000000000381000-memory.dmp

Filesize
260KB

Download
memory/872-50-0x0000000000340000-0x0000000000381000-memory.dmp

Filesize
260KB

Download
memory/872-48-0x0000000000340000-0x0000000000381000-memory.dmp

Filesize
260KB

Download
memory/872-46-0x0000000000340000-0x0000000000381000-memory.dmp

Filesize
260KB

Download
memory/1220-24-0x0000000000280000-0x00000000002C1000-memory.dmp

Filesize
260KB

Download
memory/1220-22-0x0000000000280000-0x00000000002C1000-memory.dmp

Filesize
260KB

Download
memory/1220-18-0x0000000000280000-0x00000000002C1000-memory.dmp

Filesize
260KB

Download
memory/1220-26-0x0000000000280000-0x00000000002C1000-memory.dmp

Filesize
260KB

Download
memory/1220-20-0x0000000000280000-0x00000000002C1000-memory.dmp

Filesize
260KB

Download
memory/1352-31-0x0000000001BB0000-0x0000000001BF1000-memory.dmp

Filesize
260KB

Download
memory/1352-29-0x0000000001BB0000-0x0000000001BF1000-memory.dmp

Filesize
260KB

Download
memory/1352-33-0x0000000001BB0000-0x0000000001BF1000-memory.dmp

Filesize
260KB

Download
memory/1352-35-0x0000000001BB0000-0x0000000001BF1000-memory.dmp

Filesize
260KB

Download
memory/1412-38-0x0000000002570000-0x00000000025B1000-memory.dmp

Filesize
260KB

Download
memory/1412-39-0x0000000002570000-0x00000000025B1000-memory.dmp

Filesize
260KB

Download
memory/1412-40-0x0000000002570000-0x00000000025B1000-memory.dmp

Filesize
260KB

Download
memory/1412-41-0x0000000002570000-0x00000000025B1000-memory.dmp

Filesize
260KB

Download
memory/1756-196-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1756-16-0x0000000001C30000-0x0000000001C7B000-memory.dmp

Filesize
300KB

Download
memory/1756-19-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1756-15-0x0000000001BE0000-0x0000000001C21000-memory.dmp

Filesize
260KB

Download
memory/2240-55-0x00000000007F0000-0x0000000000831000-memory.dmp

Filesize
260KB

Download
memory/2240-66-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/2240-4-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2240-54-0x00000000007F0000-0x0000000000831000-memory.dmp

Filesize
260KB

Download
memory/2240-5-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2240-56-0x00000000007F0000-0x0000000000831000-memory.dmp

Filesize
260KB

Download
memory/2240-57-0x00000000007F0000-0x0000000000831000-memory.dmp

Filesize
260KB

Download
memory/2240-60-0x00000000007F0000-0x0000000000831000-memory.dmp

Filesize
260KB

Download
memory/2240-63-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/2240-64-0x0000000077D30000-0x0000000077D31000-memory.dmp

Filesize
4KB

Download
memory/2240-62-0x0000000077D30000-0x0000000077D31000-memory.dmp

Filesize
4KB

Download
memory/2240-59-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/2240-58-0x00000000007F0000-0x0000000000831000-memory.dmp

Filesize
260KB

Download
memory/2240-2-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2240-68-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/2240-70-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/2240-72-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/2240-74-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/2240-76-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/2240-78-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/2240-80-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/2240-82-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/2240-154-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/2240-0-0x00000000005F0000-0x0000000000631000-memory.dmp

Filesize
260KB

Download
memory/2240-177-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2240-178-0x00000000007F0000-0x0000000000831000-memory.dmp

Filesize
260KB

Download
memory/2240-1-0x00000000006C0000-0x000000000070B000-memory.dmp

Filesize
300KB

Download