latentbot | 40fcd2a72f122457634686a6ea06afb98f81a8dcca63c098b9d8aa302602137f

Analysis

max time kernel
148s
max time network
118s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
30/01/2024, 19:56

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General

Target
NOD32K~2.exe
Size 28KB
Sample240130-ynph5abgh8
SHA256 af913ac788b8e57ec5159823e9632140853f605bc894e0fa5e533a1d10d49538
MD5 a37725f2ef975a20b7026a2bfe26298c
SHA1 19ad435ef416b523dfe09834a241df2e3478f2bf
SHA512 dda2894ee5dea956d8899817bb0d5ead8dea7680b35c7d2230c9d5f88055ddc4f6ebf6fdf0d770ef34dac378ada668dc63a1d48cdbffc7e0f9362bfb0f40d32c
SSDEEP 384:pqT1zR3uHfghhfkyirp47Xjnbr75m8pwFuLRB6R800yy:2TUeTTJZwFuS55y
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

latentbot evasion persistence trojan upx

Malware Config

Extracted

Family

latentbot

shootiemange.zapto.org

Signatures

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

Modifies firewall policy service 2 TTPs 2 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	taskeng.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\Windows Update System = "C:\\Users\\Admin\\AppData\\Roaming\\taskeng.exe"	taskeng.exe

Executes dropped EXE 2 IoCs

pid	Process
2164	taskeng.exe
2132	taskeng.exe

Loads dropped DLL 3 IoCs

pid	Process
1944	NOD32K~2.exe
1944	NOD32K~2.exe
2164	taskeng.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral3/memory/1944-2-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral3/memory/1944-5-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral3/memory/1944-4-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral3/memory/1944-6-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral3/memory/1944-7-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral3/memory/2132-30-0x0000000000230000-0x000000000023E000-memory.dmp	upx
behavioral3/memory/2132-35-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral3/memory/2132-36-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral3/memory/2132-37-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral3/memory/2132-38-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral3/memory/2132-39-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral3/memory/2132-40-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral3/memory/2132-41-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral3/memory/2132-42-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral3/memory/2132-43-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral3/memory/2132-44-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral3/memory/2132-45-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral3/memory/2132-46-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral3/memory/2132-47-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral3/memory/2132-48-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral3/memory/2132-49-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 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\Run\Windows Update System = "C:\\Users\\Admin\\AppData\\Roaming\\taskeng.exe"	taskeng.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update System = "C:\\Users\\Admin\\AppData\\Roaming\\taskeng.exe"	taskeng.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1684 set thread context of 1944	1684	NOD32K~2.exe	28
PID 2164 set thread context of 2132	2164	taskeng.exe	30

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1944	NOD32K~2.exe
2132	taskeng.exe
2132	taskeng.exe
2132	taskeng.exe
2132	taskeng.exe
2132	taskeng.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1684	NOD32K~2.exe
2164	taskeng.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 1944	1684	NOD32K~2.exe	28
PID 1684 wrote to memory of 1944	1684	NOD32K~2.exe	28
PID 1684 wrote to memory of 1944	1684	NOD32K~2.exe	28
PID 1684 wrote to memory of 1944	1684	NOD32K~2.exe	28
PID 1684 wrote to memory of 1944	1684	NOD32K~2.exe	28
PID 1684 wrote to memory of 1944	1684	NOD32K~2.exe	28
PID 1684 wrote to memory of 1944	1684	NOD32K~2.exe	28
PID 1684 wrote to memory of 1944	1684	NOD32K~2.exe	28
PID 1684 wrote to memory of 1944	1684	NOD32K~2.exe	28
PID 1944 wrote to memory of 2164	1944	NOD32K~2.exe	29
PID 1944 wrote to memory of 2164	1944	NOD32K~2.exe	29
PID 1944 wrote to memory of 2164	1944	NOD32K~2.exe	29
PID 1944 wrote to memory of 2164	1944	NOD32K~2.exe	29
PID 2164 wrote to memory of 2132	2164	taskeng.exe	30
PID 2164 wrote to memory of 2132	2164	taskeng.exe	30
PID 2164 wrote to memory of 2132	2164	taskeng.exe	30
PID 2164 wrote to memory of 2132	2164	taskeng.exe	30
PID 2164 wrote to memory of 2132	2164	taskeng.exe	30
PID 2164 wrote to memory of 2132	2164	taskeng.exe	30
PID 2164 wrote to memory of 2132	2164	taskeng.exe	30
PID 2164 wrote to memory of 2132	2164	taskeng.exe	30
PID 2164 wrote to memory of 2132	2164	taskeng.exe	30

C:\Users\Admin\AppData\Local\Temp\NOD32K~2.exe
"C:\Users\Admin\AppData\Local\Temp\NOD32K~2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Users\Admin\AppData\Local\Temp\NOD32K~2.exe
  C:\Users\Admin\AppData\Local\Temp\NOD32K~2.exe
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1944
- - C:\Users\Admin\AppData\Roaming\taskeng.exe
    "C:\Users\Admin\AppData\Roaming\taskeng.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2164
  - - C:\Users\Admin\AppData\Roaming\taskeng.exe
      C:\Users\Admin\AppData\Roaming\taskeng.exe
      4⤵
      Modifies firewall policy service
      Executes dropped EXE
      Adds Run key to start application
      Suspicious behavior: EnumeratesProcesses
      PID:2132

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

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

taskeng.exe

Path \Users\Admin\AppData\Roaming\taskeng.exe
Size 28KB
SHA256 af913ac788b8e57ec5159823e9632140853f605bc894e0fa5e533a1d10d49538
MD5 a37725f2ef975a20b7026a2bfe26298c
SHA1 19ad435ef416b523dfe09834a241df2e3478f2bf
SHA512 dda2894ee5dea956d8899817bb0d5ead8dea7680b35c7d2230c9d5f88055ddc4f6ebf6fdf0d770ef34dac378ada668dc63a1d48cdbffc7e0f9362bfb0f40d32c
SSDEEP 384:pqT1zR3uHfghhfkyirp47Xjnbr75m8pwFuLRB6R800yy:2TUeTTJZwFuS55y
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1944-2-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/1944-5-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/1944-4-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/1944-6-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/1944-7-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2132-37-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2132-42-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2132-35-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2132-36-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2132-28-0x0000000000230000-0x000000000023E000-memory.dmp

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memory/2132-38-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2132-39-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2132-40-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2132-41-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2132-30-0x0000000000230000-0x000000000023E000-memory.dmp

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memory/2132-43-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2132-44-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2132-45-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2132-46-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2132-47-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2132-48-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2132-49-0x0000000000400000-0x000000000040E000-memory.dmp

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