latentbot | 76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009

Analysis

max time kernel
149s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-10-2024 22:59

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General

Target

76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009.exe
Size

256KB
MD5

14f5038d2ab181061d727f3e6766d12f
SHA1

edc60bbe46a5a308a371274ab822996bd892ade6
SHA256

76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009
SHA512

80b009508558d29eee6446f0acf407953caac20f7c7d4d1a404df076417c5e5dc38920e0ea43dbb0d728c02cb8856bfbb58e9c0be6fd3a53fe14bc751cae2d08
SSDEEP

6144:cbGk+o3CpuQb6zL7pxdG/pUvnjbysrPNH0EEBNyrORzsiS:wd+oSpNbw7ZvXFPYKOR6

Score

10^/10

latentbot discovery evasion persistence trojan upx

Malware Config

Extracted

Family

latentbot

pertenemene.zapto.org

1pertenemene.zapto.org

2pertenemene.zapto.org

3pertenemene.zapto.org

4pertenemene.zapto.org

5pertenemene.zapto.org

6pertenemene.zapto.org

7pertenemene.zapto.org

8pertenemene.zapto.org

Signatures

LatentBot
Modular trojan written in Delphi which has been in-the-wild since 2013.
trojan latentbot

Modifies firewall policy service 3 TTPs 10 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	reg.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	reg.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\cmmon32.exe = "C:\\Windows\\SysWOW64\\cmmon32.exe:*:Enabled:Windows Messanger"	reg.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\flashnb.exe = "C:\\Users\\Admin\\AppData\\Roaming\\flashnb.exe:*:Enabled:Windows Messanger"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	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
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	reg.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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\flashnm.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\flashnm.exe A"	reg.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2080 set thread context of 4556	2080	76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009.exe	95
PID 2080 set thread context of 3144	2080	76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009.exe	110

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4556-7-0x0000000000400000-0x000000000047B000-memory.dmp	upx
behavioral2/memory/4556-9-0x0000000000400000-0x000000000047B000-memory.dmp	upx
behavioral2/memory/4556-10-0x0000000000400000-0x000000000047B000-memory.dmp	upx
behavioral2/memory/4556-11-0x0000000000400000-0x000000000047B000-memory.dmp	upx
behavioral2/memory/4556-17-0x0000000000400000-0x000000000047B000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1336	3144	WerFault.exe	110

System Location Discovery: System Language Discovery 1 TTPs 12 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	76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Modifies registry key 1 TTPs 4 IoCs

Modify Registry

T1112

pid	Process
3264	reg.exe
2984	reg.exe
552	reg.exe
1372	reg.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: 1	4556	cmmon32.exe
Token: SeCreateTokenPrivilege	4556	cmmon32.exe
Token: SeAssignPrimaryTokenPrivilege	4556	cmmon32.exe
Token: SeLockMemoryPrivilege	4556	cmmon32.exe
Token: SeIncreaseQuotaPrivilege	4556	cmmon32.exe
Token: SeMachineAccountPrivilege	4556	cmmon32.exe
Token: SeTcbPrivilege	4556	cmmon32.exe
Token: SeSecurityPrivilege	4556	cmmon32.exe
Token: SeTakeOwnershipPrivilege	4556	cmmon32.exe
Token: SeLoadDriverPrivilege	4556	cmmon32.exe
Token: SeSystemProfilePrivilege	4556	cmmon32.exe
Token: SeSystemtimePrivilege	4556	cmmon32.exe
Token: SeProfSingleProcessPrivilege	4556	cmmon32.exe
Token: SeIncBasePriorityPrivilege	4556	cmmon32.exe
Token: SeCreatePagefilePrivilege	4556	cmmon32.exe
Token: SeCreatePermanentPrivilege	4556	cmmon32.exe
Token: SeBackupPrivilege	4556	cmmon32.exe
Token: SeRestorePrivilege	4556	cmmon32.exe
Token: SeShutdownPrivilege	4556	cmmon32.exe
Token: SeDebugPrivilege	4556	cmmon32.exe
Token: SeAuditPrivilege	4556	cmmon32.exe
Token: SeSystemEnvironmentPrivilege	4556	cmmon32.exe
Token: SeChangeNotifyPrivilege	4556	cmmon32.exe
Token: SeRemoteShutdownPrivilege	4556	cmmon32.exe
Token: SeUndockPrivilege	4556	cmmon32.exe
Token: SeSyncAgentPrivilege	4556	cmmon32.exe
Token: SeEnableDelegationPrivilege	4556	cmmon32.exe
Token: SeManageVolumePrivilege	4556	cmmon32.exe
Token: SeImpersonatePrivilege	4556	cmmon32.exe
Token: SeCreateGlobalPrivilege	4556	cmmon32.exe
Token: 31	4556	cmmon32.exe
Token: 32	4556	cmmon32.exe
Token: 33	4556	cmmon32.exe
Token: 34	4556	cmmon32.exe
Token: 35	4556	cmmon32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2080	76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009.exe
4556	cmmon32.exe
4556	cmmon32.exe
4556	cmmon32.exe
4556	cmmon32.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 1652	2080	76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009.exe	89
PID 2080 wrote to memory of 1652	2080	76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009.exe	89
PID 2080 wrote to memory of 1652	2080	76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009.exe	89
PID 1652 wrote to memory of 1368	1652	cmd.exe	91
PID 1652 wrote to memory of 1368	1652	cmd.exe	91
PID 1652 wrote to memory of 1368	1652	cmd.exe	91
PID 2080 wrote to memory of 4556	2080	76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009.exe	95
PID 2080 wrote to memory of 4556	2080	76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009.exe	95
PID 2080 wrote to memory of 4556	2080	76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009.exe	95
PID 2080 wrote to memory of 4556	2080	76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009.exe	95
PID 2080 wrote to memory of 4556	2080	76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009.exe	95
PID 2080 wrote to memory of 4556	2080	76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009.exe	95
PID 2080 wrote to memory of 4556	2080	76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009.exe	95
PID 2080 wrote to memory of 4556	2080	76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009.exe	95
PID 4556 wrote to memory of 5028	4556	cmmon32.exe	96
PID 4556 wrote to memory of 5028	4556	cmmon32.exe	96
PID 4556 wrote to memory of 5028	4556	cmmon32.exe	96
PID 4556 wrote to memory of 2960	4556	cmmon32.exe	97
PID 4556 wrote to memory of 2960	4556	cmmon32.exe	97
PID 4556 wrote to memory of 2960	4556	cmmon32.exe	97
PID 4556 wrote to memory of 4312	4556	cmmon32.exe	98
PID 4556 wrote to memory of 4312	4556	cmmon32.exe	98
PID 4556 wrote to memory of 4312	4556	cmmon32.exe	98
PID 4556 wrote to memory of 3452	4556	cmmon32.exe	99
PID 4556 wrote to memory of 3452	4556	cmmon32.exe	99
PID 4556 wrote to memory of 3452	4556	cmmon32.exe	99
PID 5028 wrote to memory of 3264	5028	cmd.exe	104
PID 5028 wrote to memory of 3264	5028	cmd.exe	104
PID 5028 wrote to memory of 3264	5028	cmd.exe	104
PID 2960 wrote to memory of 2984	2960	cmd.exe	105
PID 2960 wrote to memory of 2984	2960	cmd.exe	105
PID 2960 wrote to memory of 2984	2960	cmd.exe	105
PID 3452 wrote to memory of 552	3452	cmd.exe	106
PID 3452 wrote to memory of 552	3452	cmd.exe	106
PID 3452 wrote to memory of 552	3452	cmd.exe	106
PID 4312 wrote to memory of 1372	4312	cmd.exe	107
PID 4312 wrote to memory of 1372	4312	cmd.exe	107
PID 4312 wrote to memory of 1372	4312	cmd.exe	107
PID 2080 wrote to memory of 3144	2080	76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009.exe	110
PID 2080 wrote to memory of 3144	2080	76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009.exe	110
PID 2080 wrote to memory of 3144	2080	76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009.exe	110
PID 2080 wrote to memory of 3144	2080	76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009.exe	110

C:\Users\Admin\AppData\Local\Temp\76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009.exe
"C:\Users\Admin\AppData\Local\Temp\76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\maqui.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1652
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\SOFTWARE\MICROSOFT\Windows\CurrentVersion\Run" /v flashnm.exe /d "C:\Users\Admin\AppData\Local\Temp\flashnm.exe A" /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:1368
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\system32\cmmon32.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4556
- - 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⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5028
  - - 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
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:3264
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\SysWOW64\cmmon32.exe" /t REG_SZ /d "C:\Windows\SysWOW64\cmmon32.exe:*:Enabled:Windows Messanger" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2960
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\SysWOW64\cmmon32.exe" /t REG_SZ /d "C:\Windows\SysWOW64\cmmon32.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Modifies firewall policy service
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:2984
- - 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⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4312
  - - 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
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:1372
- - 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\flashnb.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\flashnb.exe:*:Enabled:Windows Messanger" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3452
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\flashnb.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\flashnb.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Modifies firewall policy service
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:552
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\system32\cmmon32.exe"
  2⤵
  PID:3144
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 80
    3⤵
    - Program crash
    PID:1336

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4208,i,15436195446242760253,4000484513008731869,262144 --variations-seed-version --mojo-platform-channel-handle=4248 /prefetch:8
1⤵
PID:1748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3144 -ip 3144
1⤵
PID:704

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

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\flashnm.exee

Filesize
256KB

MD5
14f5038d2ab181061d727f3e6766d12f

SHA1
edc60bbe46a5a308a371274ab822996bd892ade6

SHA256
76ddc568dcbc0d18fdfcf7a9ff06c089d784c7777aff4ff38aa506ea85a84009

SHA512
80b009508558d29eee6446f0acf407953caac20f7c7d4d1a404df076417c5e5dc38920e0ea43dbb0d728c02cb8856bfbb58e9c0be6fd3a53fe14bc751cae2d08

Download Submit
C:\Users\Admin\AppData\Local\Temp\maqui.bat

Filesize
146B

MD5
9bbd0ef7ac84738a5bb9cb6022566ced

SHA1
662aaa39bfccf573a17a869760c8ad1c5bc5dbe7

SHA256
1c9baba68f2c02b29495b36abcc5bf3378d04564b7c9736b85880a8039c2aa00

SHA512
77e6ebd5fa09c8243a81a0e567943b3f29f82019051407112685f45f53ae946dc4d7571b64a4445ef96ec8585b7c84ec9098adf32d1247b49bad83dcd4f3cfc1

Download Submit
memory/4556-7-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/4556-9-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/4556-10-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/4556-11-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/4556-17-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads