3b14f10b8cd5c55d405785829bf2e8e4917fe1ac432ec0a376b2b4621314686c

Resubmissions

14/08/2024, 15:44

240814-s6jgyazgqb 10

14/08/2024, 15:10

240814-sj92datfkm 10

Analysis

max time kernel
19s
max time network
20s
platform
windows7_x64
resource
win7-20240704-it
resource tags

arch:x64arch:x86image:win7-20240704-itlocale:it-itos:windows7-x64systemwindows
submitted
14/08/2024, 15:44

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Reason

Machine shutdown

Report Analysis Logs

General

Target

idapro.exe
Size

327KB
MD5

0ed74836af595a75d959e703e98f3735
SHA1

f48fe1347528b1bcc210a90c60e93300ddfb1c31
SHA256

3b14f10b8cd5c55d405785829bf2e8e4917fe1ac432ec0a376b2b4621314686c
SHA512

dd5bb6e6c2674b8b2de6b22c0f7cc051303592d0fd50e14c8452988646760c907c9650e5b7ab594027e01faa9216f2b865b5ab015f34d92e62d51373f8152fbe
SSDEEP

6144:UsLqdufVUNDa+anxutqrmxBpwrWlTKh4Qffn2n:PFUNDa+axuS+waZ84

Score

10^/10

discovery evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 7 IoCs

pid	Process
2804	idapro.exe
2788	icsys.icn.exe
2624	explorer.exe
2652	spoolsv.exe
2668	svchost.exe
3036	spoolsv.exe
2888	spoolsv.exe

Loads dropped DLL 8 IoCs

pid	Process
2724	idapro.exe
2724	idapro.exe
2864	Process not Found
2788	icsys.icn.exe
2624	explorer.exe
2652	spoolsv.exe
2668	svchost.exe
2624	explorer.exe

Adds Run key to start application 2 TTPs 8 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\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Explorer = "c:\\windows\\resources\\themes\\explorer.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Svchost = "c:\\windows\\resources\\svchost.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Explorer = "c:\\windows\\resources\\themes\\explorer.exe"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Svchost = "c:\\windows\\resources\\svchost.exe"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	explorer.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\explorer.exe	explorer.exe
File opened for modification	C:\Windows\SysWOW64\explorer.exe	svchost.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Resources\Themes\icsys.icn.exe	idapro.exe
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	icsys.icn.exe
File opened for modification	\??\c:\windows\resources\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\resources\svchost.exe	spoolsv.exe

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	idapro.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icsys.icn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1524	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2724	idapro.exe
2724	idapro.exe
2724	idapro.exe
2724	idapro.exe
2724	idapro.exe
2724	idapro.exe
2724	idapro.exe
2724	idapro.exe
2724	idapro.exe
2724	idapro.exe
2724	idapro.exe
2724	idapro.exe
2724	idapro.exe
2724	idapro.exe
2724	idapro.exe
2724	idapro.exe
2788	icsys.icn.exe
2788	icsys.icn.exe
2788	icsys.icn.exe
2788	icsys.icn.exe
2788	icsys.icn.exe
2788	icsys.icn.exe
2788	icsys.icn.exe
2788	icsys.icn.exe
2788	icsys.icn.exe
2788	icsys.icn.exe
2788	icsys.icn.exe
2788	icsys.icn.exe
2788	icsys.icn.exe
2788	icsys.icn.exe
2788	icsys.icn.exe
2788	icsys.icn.exe
2788	icsys.icn.exe
2624	explorer.exe
2624	explorer.exe
2624	explorer.exe
2624	explorer.exe
2624	explorer.exe
2624	explorer.exe
2624	explorer.exe
2624	explorer.exe
2624	explorer.exe
2624	explorer.exe
2624	explorer.exe
2624	explorer.exe
2624	explorer.exe
2624	explorer.exe
2624	explorer.exe
2624	explorer.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2624	explorer.exe
2668	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2724	idapro.exe
2724	idapro.exe
2788	icsys.icn.exe
2788	icsys.icn.exe
2624	explorer.exe
2624	explorer.exe
2652	spoolsv.exe
2652	spoolsv.exe
2668	svchost.exe
2668	svchost.exe
3036	spoolsv.exe
3036	spoolsv.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2724 wrote to memory of 2804	2724	idapro.exe	30
PID 2724 wrote to memory of 2804	2724	idapro.exe	30
PID 2724 wrote to memory of 2804	2724	idapro.exe	30
PID 2724 wrote to memory of 2804	2724	idapro.exe	30
PID 2724 wrote to memory of 2788	2724	idapro.exe	32
PID 2724 wrote to memory of 2788	2724	idapro.exe	32
PID 2724 wrote to memory of 2788	2724	idapro.exe	32
PID 2724 wrote to memory of 2788	2724	idapro.exe	32
PID 2788 wrote to memory of 2624	2788	icsys.icn.exe	33
PID 2788 wrote to memory of 2624	2788	icsys.icn.exe	33
PID 2788 wrote to memory of 2624	2788	icsys.icn.exe	33
PID 2788 wrote to memory of 2624	2788	icsys.icn.exe	33
PID 2624 wrote to memory of 2652	2624	explorer.exe	34
PID 2624 wrote to memory of 2652	2624	explorer.exe	34
PID 2624 wrote to memory of 2652	2624	explorer.exe	34
PID 2624 wrote to memory of 2652	2624	explorer.exe	34
PID 2652 wrote to memory of 2668	2652	spoolsv.exe	35
PID 2652 wrote to memory of 2668	2652	spoolsv.exe	35
PID 2652 wrote to memory of 2668	2652	spoolsv.exe	35
PID 2652 wrote to memory of 2668	2652	spoolsv.exe	35
PID 2668 wrote to memory of 3036	2668	svchost.exe	36
PID 2668 wrote to memory of 3036	2668	svchost.exe	36
PID 2668 wrote to memory of 3036	2668	svchost.exe	36
PID 2668 wrote to memory of 3036	2668	svchost.exe	36
PID 2624 wrote to memory of 492	2624	explorer.exe	37
PID 2624 wrote to memory of 492	2624	explorer.exe	37
PID 2624 wrote to memory of 492	2624	explorer.exe	37
PID 2624 wrote to memory of 492	2624	explorer.exe	37
PID 2668 wrote to memory of 1524	2668	svchost.exe	38
PID 2668 wrote to memory of 1524	2668	svchost.exe	38
PID 2668 wrote to memory of 1524	2668	svchost.exe	38
PID 2668 wrote to memory of 1524	2668	svchost.exe	38
PID 2624 wrote to memory of 2888	2624	explorer.exe	42
PID 2624 wrote to memory of 2888	2624	explorer.exe	42
PID 2624 wrote to memory of 2888	2624	explorer.exe	42
PID 2624 wrote to memory of 2888	2624	explorer.exe	42

C:\Users\Admin\AppData\Local\Temp\idapro.exe
"C:\Users\Admin\AppData\Local\Temp\idapro.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2724
- \??\c:\users\admin\appdata\local\temp\idapro.exe
  c:\users\admin\appdata\local\temp\idapro.exe
  2⤵
  - Executes dropped EXE
  PID:2804
- C:\Windows\Resources\Themes\icsys.icn.exe
  C:\Windows\Resources\Themes\icsys.icn.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2788
- - \??\c:\windows\resources\themes\explorer.exe
    c:\windows\resources\themes\explorer.exe
    3⤵
    - Modifies visiblity of hidden/system files in Explorer
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Drops file in System32 directory
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2624
  - - \??\c:\windows\resources\spoolsv.exe
      c:\windows\resources\spoolsv.exe SE
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2652
    - - \??\c:\windows\resources\svchost.exe
        
        c:\windows\resources\svchost.exe
        5⤵
        Modifies visiblity of hidden/system files in Explorer
        Executes dropped EXE
        Loads dropped DLL
        Adds Run key to start application
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:2668
      - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:3036
      - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 15:46 /f
        6⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1524
  - - C:\Windows\Explorer.exe
      C:\Windows\Explorer.exe
      4⤵
      PID:492
  - - \??\c:\windows\resources\spoolsv.exe
      c:\windows\resources\spoolsv.exe SE
      4⤵
      Executes dropped EXE
      PID:2888

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:1728

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:2460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\idapro.exe

Filesize
192KB

MD5
05d5875e19e172b49adc9d0f04ccae46

SHA1
c2f617a38218ed18ac5350416789de87ccfa4606

SHA256
c595e3530c8f93a8021ef1e23ce9031c1a989cda64dc9b51e8ee49ceec4e275c

SHA512
311cbd9eb728b42122b6d7e44c6a2dd5299c664fda3119e7c88adb12d1e42f9a347d330e1bd5999391c7fa5870a0ce6a712b7274a688c1687d666a04998bf7a8

Download Submit
\Windows\Resources\Themes\explorer.exe

Filesize
135KB

MD5
97fb807872b1491b1b651ca01b7b44e5

SHA1
2a1c76699e60f4c68bfbcddb4fdf7bb0c03c2022

SHA256
2c817462143f75605819bda44f7086aaad80e798e3445e275afa34a834cc539f

SHA512
12ff80d7b1bcbf9df88aa767bdd093f98cc293092325fae4a4967a9a497678b84a9828069ce5abbbbf4fbcc2751fbfedf8c3ace84b7e52fd003f369ecb1c40f5

Download Submit
\Windows\Resources\Themes\icsys.icn.exe

Filesize
135KB

MD5
86ffadfb7aede1665b2cc6824ca7e0b7

SHA1
4cf1e686c88b44e0becc99714cccdc97bf05483b

SHA256
e599fc27c331701c45cc4384465da66c050dcfd999ee9e0ab17143bff7d8ce18

SHA512
a40e176b749502e1b8d95791d98bf11641adbfec09586189452c9c9e0aa9f52e66f125972503a9b6f82615f95bb3045c1798939a1a3b3e79b932fa9987c1d74f

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
1bc1a081ec2bed4975fee76d840302e3

SHA1
8934e6391e0af1bf4c3813e29e3dea50d1dc425e

SHA256
ef5215df85ff8c6538e06f0130b19134aab2ad2b9552a63ddb4dad62d1e995ac

SHA512
4d9ed09fe89d765244e71f6a612870a38c901458ede7213935c2261a9303165652b51f63e6101a8cea70b4163213c5879ec6b6c76cf4e82200d54996f9e32373

Download Submit
\Windows\Resources\svchost.exe

Filesize
135KB

MD5
2e96e615382bd6905f8e8a31d2237503

SHA1
227ee3c93c2cc2c08ace0ca3379dbe6582bbcadc

SHA256
bddb2f1c4187c2d695bbe28486d027947fddf58244ac6634df29554e4c60598f

SHA512
660ac75eac6f17ea7547fa9beca5ec3eb9926d724c82238682e6852f5c070657dd5f5be46bb68cd4d828abe3f87fa1d0f0d4b80c918774641c0322e3a962c628

Download Submit
memory/2624-66-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2624-65-0x00000000005D0000-0x00000000005EF000-memory.dmp

Filesize
124KB

Download
memory/2652-44-0x00000000003E0000-0x00000000003FF000-memory.dmp

Filesize
124KB

Download
memory/2652-59-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2668-49-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2668-54-0x0000000000290000-0x00000000002AF000-memory.dmp

Filesize
124KB

Download
memory/2668-62-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2724-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2724-61-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2724-14-0x0000000000270000-0x000000000028F000-memory.dmp

Filesize
124KB

Download
memory/2788-60-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2788-25-0x00000000003C0000-0x00000000003DF000-memory.dmp

Filesize
124KB

Download
memory/3036-58-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download

Resubmissions

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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