1115de4c39b2799e9dbac90d4bcad5d1ddbf0ebd310fe04029fc379cd8bc034f

Analysis

max time kernel
114s
max time network
110s
platform
windows10_x64
resource
win10v20201028
submitted
15/12/2020, 08:21

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General

Target
TT.exe
Size 1.1MB
Sample201215-1p1bndq6mx
SHA256 1115de4c39b2799e9dbac90d4bcad5d1ddbf0ebd310fe04029fc379cd8bc034f
MD5 81a1e84785300e0e1d1356929bd921ce
SHA1 cd7124b8209cf6812e4157fcc5f20ff125821f15
SHA512 c3acdb5daebfcf19003e54896b03dd5b00f53a659fc842afa5680ca18462fcefb36e33c582271a0395c50fc32c570b5b229380549f74f810257ff5be3be89cde
MD5 SHA1 SHA512

Score

8^/10

persistence

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.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-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\bqhrQ = "C:\\Users\\Admin\\AppData\\Roaming\\bqhrQ\\bqhrQ.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4048 set thread context of 2072	4048	TT.exe	82

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
3712	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4048	TT.exe
4048	TT.exe
4048	TT.exe
4048	TT.exe
4048	TT.exe
4048	TT.exe
4048	TT.exe
4048	TT.exe
2072	RegSvcs.exe
2072	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4048	TT.exe
Token: SeDebugPrivilege	2072	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4048 wrote to memory of 3712	4048	TT.exe	78
PID 4048 wrote to memory of 3712	4048	TT.exe	78
PID 4048 wrote to memory of 3712	4048	TT.exe	78
PID 4048 wrote to memory of 2172	4048	TT.exe	80
PID 4048 wrote to memory of 2172	4048	TT.exe	80
PID 4048 wrote to memory of 2172	4048	TT.exe	80
PID 4048 wrote to memory of 3636	4048	TT.exe	81
PID 4048 wrote to memory of 3636	4048	TT.exe	81
PID 4048 wrote to memory of 3636	4048	TT.exe	81
PID 4048 wrote to memory of 2072	4048	TT.exe	82
PID 4048 wrote to memory of 2072	4048	TT.exe	82
PID 4048 wrote to memory of 2072	4048	TT.exe	82
PID 4048 wrote to memory of 2072	4048	TT.exe	82
PID 4048 wrote to memory of 2072	4048	TT.exe	82
PID 4048 wrote to memory of 2072	4048	TT.exe	82
PID 4048 wrote to memory of 2072	4048	TT.exe	82
PID 4048 wrote to memory of 2072	4048	TT.exe	82

C:\Users\Admin\AppData\Local\Temp\TT.exe
"C:\Users\Admin\AppData\Local\Temp\TT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4048
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BnKwhtskCuTc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2EC1.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3712
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2172
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:3636
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Drops file in Drivers directory
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2072

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2072-25-0x0000000005DA0000-0x0000000005DA1000-memory.dmp

Download

memory/2072-24-0x00000000050E0000-0x00000000050E1000-memory.dmp

Download

memory/2072-19-0x0000000073820000-0x0000000073F0E000-memory.dmp

Download

memory/2072-17-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/4048-7-0x0000000007950000-0x0000000007951000-memory.dmp

Download

memory/4048-11-0x0000000007CC0000-0x0000000007D21000-memory.dmp

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memory/4048-12-0x0000000007D80000-0x0000000007D88000-memory.dmp

Download

memory/4048-14-0x0000000049240000-0x0000000049283000-memory.dmp

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memory/4048-10-0x0000000028D40000-0x0000000048D28000-memory.dmp

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memory/4048-9-0x0000000007AB0000-0x0000000007AB1000-memory.dmp

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memory/4048-8-0x00000000077E0000-0x00000000077E1000-memory.dmp

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memory/4048-2-0x0000000073820000-0x0000000073F0E000-memory.dmp

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memory/4048-6-0x0000000007DB0000-0x0000000007DB1000-memory.dmp

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memory/4048-5-0x0000000007810000-0x0000000007811000-memory.dmp

Download

memory/4048-3-0x0000000000640000-0x0000000000641000-memory.dmp

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