b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56

Analysis

max time kernel
152s
max time network
171s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 14:44

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General

Target

b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56.exe
Size

570KB
MD5

f734fb7c221da8b06a9f048f89158538
SHA1

251a023d9a1d4b2a22ddb22f756fc92bd9348732
SHA256

b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56
SHA512

a32e4b0cb39af565e50a8ad3453b651757998ad79e1a637508b4b07420d10c86179c3cf05c6ac5f122929ad73e7514c54e3e30eed2b836bc361b0226a1700707
SSDEEP

12288:YSSalsDSv+bwdr2ND2fn79tWZX1v0TpKXw8Jo0G24gw/PJf:PASGUxCDO7XsFvGoHo7Pt

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 8 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	reg.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	reg.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\iexplore.exe = "C:\\Users\\Admin\\AppData\\Roaming\\iexplore.exe:*:Enabled:Windows Messanger"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	reg.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\bot.exe = "C:\\Users\\Admin\\AppData\\Roaming\\bot.exe:*:Enabled:Windows Messanger"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	reg.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	reg.exe

Executes dropped EXE 1 IoCs

pid	Process
1516	iexplore.exe

Loads dropped DLL 2 IoCs

pid	Process
948	b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56.exe
948	b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\Realtek = "C:\\Users\\Admin\\AppData\\Roaming\\explorer.exe"	b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 948 set thread context of 1516	948	b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56.exe	28

Modifies registry key 1 TTPs 4 IoCs

Modify Registry

T1112

pid	Process
1068	reg.exe
1848	reg.exe
1388	reg.exe
576	reg.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
948	b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56.exe
948	b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56.exe
948	b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	948	b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56.exe
Token: 1	1516	iexplore.exe
Token: SeCreateTokenPrivilege	1516	iexplore.exe
Token: SeAssignPrimaryTokenPrivilege	1516	iexplore.exe
Token: SeLockMemoryPrivilege	1516	iexplore.exe
Token: SeIncreaseQuotaPrivilege	1516	iexplore.exe
Token: SeMachineAccountPrivilege	1516	iexplore.exe
Token: SeTcbPrivilege	1516	iexplore.exe
Token: SeSecurityPrivilege	1516	iexplore.exe
Token: SeTakeOwnershipPrivilege	1516	iexplore.exe
Token: SeLoadDriverPrivilege	1516	iexplore.exe
Token: SeSystemProfilePrivilege	1516	iexplore.exe
Token: SeSystemtimePrivilege	1516	iexplore.exe
Token: SeProfSingleProcessPrivilege	1516	iexplore.exe
Token: SeIncBasePriorityPrivilege	1516	iexplore.exe
Token: SeCreatePagefilePrivilege	1516	iexplore.exe
Token: SeCreatePermanentPrivilege	1516	iexplore.exe
Token: SeBackupPrivilege	1516	iexplore.exe
Token: SeRestorePrivilege	1516	iexplore.exe
Token: SeShutdownPrivilege	1516	iexplore.exe
Token: SeDebugPrivilege	1516	iexplore.exe
Token: SeAuditPrivilege	1516	iexplore.exe
Token: SeSystemEnvironmentPrivilege	1516	iexplore.exe
Token: SeChangeNotifyPrivilege	1516	iexplore.exe
Token: SeRemoteShutdownPrivilege	1516	iexplore.exe
Token: SeUndockPrivilege	1516	iexplore.exe
Token: SeSyncAgentPrivilege	1516	iexplore.exe
Token: SeEnableDelegationPrivilege	1516	iexplore.exe
Token: SeManageVolumePrivilege	1516	iexplore.exe
Token: SeImpersonatePrivilege	1516	iexplore.exe
Token: SeCreateGlobalPrivilege	1516	iexplore.exe
Token: 31	1516	iexplore.exe
Token: 32	1516	iexplore.exe
Token: 33	1516	iexplore.exe
Token: 34	1516	iexplore.exe
Token: 35	1516	iexplore.exe
Token: SeDebugPrivilege	1516	iexplore.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1516	iexplore.exe
1516	iexplore.exe
1516	iexplore.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 948 wrote to memory of 1516	948	b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56.exe	28
PID 948 wrote to memory of 1516	948	b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56.exe	28
PID 948 wrote to memory of 1516	948	b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56.exe	28
PID 948 wrote to memory of 1516	948	b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56.exe	28
PID 948 wrote to memory of 1516	948	b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56.exe	28
PID 948 wrote to memory of 1516	948	b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56.exe	28
PID 948 wrote to memory of 1516	948	b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56.exe	28
PID 948 wrote to memory of 1516	948	b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56.exe	28
PID 948 wrote to memory of 1516	948	b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56.exe	28
PID 948 wrote to memory of 1292	948	b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56.exe	29
PID 948 wrote to memory of 1292	948	b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56.exe	29
PID 948 wrote to memory of 1292	948	b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56.exe	29
PID 948 wrote to memory of 1292	948	b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56.exe	29
PID 1516 wrote to memory of 1352	1516	iexplore.exe	30
PID 1516 wrote to memory of 1352	1516	iexplore.exe	30
PID 1516 wrote to memory of 1352	1516	iexplore.exe	30
PID 1516 wrote to memory of 1352	1516	iexplore.exe	30
PID 1516 wrote to memory of 876	1516	iexplore.exe	32
PID 1516 wrote to memory of 876	1516	iexplore.exe	32
PID 1516 wrote to memory of 876	1516	iexplore.exe	32
PID 1516 wrote to memory of 876	1516	iexplore.exe	32
PID 1516 wrote to memory of 1560	1516	iexplore.exe	34
PID 1516 wrote to memory of 1560	1516	iexplore.exe	34
PID 1516 wrote to memory of 1560	1516	iexplore.exe	34
PID 1516 wrote to memory of 1560	1516	iexplore.exe	34
PID 1516 wrote to memory of 1356	1516	iexplore.exe	36
PID 1516 wrote to memory of 1356	1516	iexplore.exe	36
PID 1516 wrote to memory of 1356	1516	iexplore.exe	36
PID 1516 wrote to memory of 1356	1516	iexplore.exe	36
PID 1352 wrote to memory of 1068	1352	cmd.exe	37
PID 1352 wrote to memory of 1068	1352	cmd.exe	37
PID 1352 wrote to memory of 1068	1352	cmd.exe	37
PID 1352 wrote to memory of 1068	1352	cmd.exe	37
PID 876 wrote to memory of 1848	876	cmd.exe	39
PID 876 wrote to memory of 1848	876	cmd.exe	39
PID 876 wrote to memory of 1848	876	cmd.exe	39
PID 876 wrote to memory of 1848	876	cmd.exe	39
PID 1560 wrote to memory of 576	1560	cmd.exe	41
PID 1560 wrote to memory of 576	1560	cmd.exe	41
PID 1560 wrote to memory of 576	1560	cmd.exe	41
PID 1560 wrote to memory of 576	1560	cmd.exe	41
PID 1356 wrote to memory of 1388	1356	cmd.exe	40
PID 1356 wrote to memory of 1388	1356	cmd.exe	40
PID 1356 wrote to memory of 1388	1356	cmd.exe	40
PID 1356 wrote to memory of 1388	1356	cmd.exe	40

C:\Users\Admin\AppData\Local\Temp\b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56.exe
"C:\Users\Admin\AppData\Local\Temp\b64bde5873c10d51ce4968bad899937de7144bede541b3fadf8d3aad996ade56.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:948
- C:\Users\Admin\AppData\Roaming\iexplore.exe
  C:\Users\Admin\AppData\Roaming\iexplore.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1516
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1352
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
      4⤵
      Modifies firewall policy service
      Modifies registry key
      PID:1068
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\iexplore.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\iexplore.exe:*:Enabled:Windows Messanger" /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:876
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\iexplore.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\iexplore.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Modifies firewall policy service
      Modifies registry key
      PID:1848
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1560
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
      4⤵
      Modifies firewall policy service
      Modifies registry key
      PID:576
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\bot.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\bot.exe:*:Enabled:Windows Messanger" /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1356
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\bot.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\bot.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Modifies firewall policy service
      Modifies registry key
      PID:1388
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
  dw20.exe -x -s 564
  2⤵
  PID:1292

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

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:\Users\Admin\AppData\Roaming\iexplore.exe

Filesize
1KB

MD5
bab201d78c1ac0441fa840d3523a3a94

SHA1
fd41144091a1ed69ab0dc60010676775496543e3

SHA256
117697d450605d92bee29e5b328044668de441f936bd7db5e12296bd043b65e6

SHA512
fc7d46a31b14b2464716fbc70cbd6534aab1c6412caae5fbdedecb2047b646d9e972d7378d87efb31a3ec9ec99254eb05127ccee7df4ff14087ffefdf5adec3b

Download Submit
C:\Users\Admin\AppData\Roaming\iexplore.exe

Filesize
1KB

MD5
bab201d78c1ac0441fa840d3523a3a94

SHA1
fd41144091a1ed69ab0dc60010676775496543e3

SHA256
117697d450605d92bee29e5b328044668de441f936bd7db5e12296bd043b65e6

SHA512
fc7d46a31b14b2464716fbc70cbd6534aab1c6412caae5fbdedecb2047b646d9e972d7378d87efb31a3ec9ec99254eb05127ccee7df4ff14087ffefdf5adec3b

Download Submit
\Users\Admin\AppData\Roaming\iexplore.exe

Filesize
1KB

MD5
bab201d78c1ac0441fa840d3523a3a94

SHA1
fd41144091a1ed69ab0dc60010676775496543e3

SHA256
117697d450605d92bee29e5b328044668de441f936bd7db5e12296bd043b65e6

SHA512
fc7d46a31b14b2464716fbc70cbd6534aab1c6412caae5fbdedecb2047b646d9e972d7378d87efb31a3ec9ec99254eb05127ccee7df4ff14087ffefdf5adec3b

Download Submit
\Users\Admin\AppData\Roaming\iexplore.exe

Filesize
1KB

MD5
bab201d78c1ac0441fa840d3523a3a94

SHA1
fd41144091a1ed69ab0dc60010676775496543e3

SHA256
117697d450605d92bee29e5b328044668de441f936bd7db5e12296bd043b65e6

SHA512
fc7d46a31b14b2464716fbc70cbd6534aab1c6412caae5fbdedecb2047b646d9e972d7378d87efb31a3ec9ec99254eb05127ccee7df4ff14087ffefdf5adec3b

Download Submit
memory/948-80-0x0000000074290000-0x000000007483B000-memory.dmp

Filesize
5.7MB

Download
memory/948-54-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

Filesize
8KB

Download
memory/948-67-0x0000000074290000-0x000000007483B000-memory.dmp

Filesize
5.7MB

Download
memory/1516-69-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1516-62-0x00000000004E0000-0x0000000000633000-memory.dmp

Filesize
1.3MB

Download
memory/1516-57-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1516-81-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download