latentbot | 40fcd2a72f122457634686a6ea06afb98f81a8dcca63c098b9d8aa302602137f

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-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 4 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
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	taskeng.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	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
1672	taskeng.exe
4812	taskeng.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral4/memory/4392-2-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral4/memory/4392-4-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral4/memory/4392-5-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral4/memory/4392-6-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral4/memory/4812-21-0x0000000000570000-0x000000000057E000-memory.dmp	upx
behavioral4/memory/4812-26-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral4/memory/4812-27-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral4/memory/4812-28-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral4/memory/4812-29-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral4/memory/4812-30-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral4/memory/4812-31-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral4/memory/4812-32-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral4/memory/4812-33-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral4/memory/4812-34-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral4/memory/4812-35-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral4/memory/4812-36-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral4/memory/4812-37-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral4/memory/4812-38-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral4/memory/4812-39-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral4/memory/4812-40-0x0000000000400000-0x000000000040E000-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-1-5-21-1168293393-3419776239-306423207-1000\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 3056 set thread context of 4392	3056	NOD32K~2.exe	86
PID 1672 set thread context of 4812	1672	taskeng.exe	91

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4392	NOD32K~2.exe
4392	NOD32K~2.exe
4812	taskeng.exe
4812	taskeng.exe
4812	taskeng.exe
4812	taskeng.exe
4812	taskeng.exe
4812	taskeng.exe
4812	taskeng.exe
4812	taskeng.exe
4812	taskeng.exe
4812	taskeng.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3056	NOD32K~2.exe
1672	taskeng.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 4392	3056	NOD32K~2.exe	86
PID 3056 wrote to memory of 4392	3056	NOD32K~2.exe	86
PID 3056 wrote to memory of 4392	3056	NOD32K~2.exe	86
PID 3056 wrote to memory of 4392	3056	NOD32K~2.exe	86
PID 3056 wrote to memory of 4392	3056	NOD32K~2.exe	86
PID 3056 wrote to memory of 4392	3056	NOD32K~2.exe	86
PID 3056 wrote to memory of 4392	3056	NOD32K~2.exe	86
PID 3056 wrote to memory of 4392	3056	NOD32K~2.exe	86
PID 4392 wrote to memory of 1672	4392	NOD32K~2.exe	90
PID 4392 wrote to memory of 1672	4392	NOD32K~2.exe	90
PID 4392 wrote to memory of 1672	4392	NOD32K~2.exe	90
PID 1672 wrote to memory of 4812	1672	taskeng.exe	91
PID 1672 wrote to memory of 4812	1672	taskeng.exe	91
PID 1672 wrote to memory of 4812	1672	taskeng.exe	91
PID 1672 wrote to memory of 4812	1672	taskeng.exe	91
PID 1672 wrote to memory of 4812	1672	taskeng.exe	91
PID 1672 wrote to memory of 4812	1672	taskeng.exe	91
PID 1672 wrote to memory of 4812	1672	taskeng.exe	91
PID 1672 wrote to memory of 4812	1672	taskeng.exe	91

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:3056
- C:\Users\Admin\AppData\Local\Temp\NOD32K~2.exe
  C:\Users\Admin\AppData\Local\Temp\NOD32K~2.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4392
- - C:\Users\Admin\AppData\Roaming\taskeng.exe
    "C:\Users\Admin\AppData\Roaming\taskeng.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1672
  - - 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:4812

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 C:\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/4392-2-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4392-4-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4392-5-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4392-6-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4812-30-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4812-32-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4812-27-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4812-28-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4812-29-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4812-21-0x0000000000570000-0x000000000057E000-memory.dmp

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memory/4812-31-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4812-26-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4812-33-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4812-34-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4812-35-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4812-36-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4812-37-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4812-38-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4812-39-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4812-40-0x0000000000400000-0x000000000040E000-memory.dmp

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