fdf8d36c2411443a861f964e88834c1922b5d2360507cf5bb0113ce679ae4f27

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02/11/2024, 01:00

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General

Target
b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe
Size 6.1MB
Sample241102-bcr4jsvrhx
SHA256 b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97
MD5 015213997f4a1fc3503b19e2356738b2
SHA1 c24933a5005cc58fdacced124f93adb74c23748b
SHA512 148e3833dd853881b5e8231fca26ba947dca9f5c0e783362c9afc97c10ee4bb392c26ecab57d90bdbaae8a39bc937798a2864cbdd92ef490af674a612863ddd4
SSDEEP 98304:tYweRLoL6mNCxDD/JXZU44RXgYja8MTyMfHN:9eRrmkRy5pjuT/N
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

evasion execution trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1172	powershell.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2096 set thread context of 1504	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	34

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1172	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe
Token: SeDebugPrivilege	1172	powershell.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 1172	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	32
PID 2096 wrote to memory of 1172	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	32
PID 2096 wrote to memory of 1172	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	32
PID 2096 wrote to memory of 1504	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	34
PID 2096 wrote to memory of 1504	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	34
PID 2096 wrote to memory of 1504	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	34
PID 2096 wrote to memory of 1504	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	34
PID 2096 wrote to memory of 1504	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	34
PID 2096 wrote to memory of 1504	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	34
PID 2096 wrote to memory of 1504	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	34
PID 2096 wrote to memory of 1504	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	34
PID 2096 wrote to memory of 1504	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	34
PID 2096 wrote to memory of 1504	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	34
PID 2096 wrote to memory of 1504	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	34
PID 2096 wrote to memory of 1504	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	34
PID 2096 wrote to memory of 1504	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	34
PID 2096 wrote to memory of 1504	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	34
PID 2096 wrote to memory of 1504	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	34
PID 2096 wrote to memory of 1504	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	34
PID 2096 wrote to memory of 1504	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	34
PID 2096 wrote to memory of 1504	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	34
PID 2096 wrote to memory of 1504	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	34
PID 2096 wrote to memory of 1504	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	34
PID 1504 wrote to memory of 2396	1504	aspnet_wp.exe	35
PID 1504 wrote to memory of 2396	1504	aspnet_wp.exe	35
PID 1504 wrote to memory of 2396	1504	aspnet_wp.exe	35
PID 2096 wrote to memory of 2760	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	36
PID 2096 wrote to memory of 2760	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	36
PID 2096 wrote to memory of 2760	2096	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe	36

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe

C:\Users\Admin\AppData\Local\Temp\b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe
"C:\Users\Admin\AppData\Local\Temp\b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2096
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\b674f985f144f65b754715572db0cb17c0db762eb6d5217fbb93b15433572d97.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1172
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_wp.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_wp.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1504
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 1504 -s 20
    3⤵
    PID:2396
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2096 -s 704
  2⤵
  PID:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1172-30-0x0000000002780000-0x0000000002788000-memory.dmp

Download

memory/1172-29-0x000000001B5D0000-0x000000001B8B2000-memory.dmp

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memory/1504-26-0x0000000000400000-0x00000000007AA000-memory.dmp

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memory/1504-14-0x0000000000400000-0x00000000007AA000-memory.dmp

Download

memory/1504-8-0x0000000000400000-0x00000000007AA000-memory.dmp

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memory/1504-10-0x0000000000400000-0x00000000007AA000-memory.dmp

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memory/1504-15-0x0000000000400000-0x00000000007AA000-memory.dmp

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memory/1504-24-0x0000000000400000-0x00000000007AA000-memory.dmp

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memory/1504-11-0x0000000000400000-0x00000000007AA000-memory.dmp

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memory/1504-12-0x0000000000400000-0x00000000007AA000-memory.dmp

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memory/1504-20-0x0000000000400000-0x00000000007AA000-memory.dmp

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memory/1504-23-0x0000000000400000-0x00000000007AA000-memory.dmp

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memory/1504-13-0x0000000000400000-0x00000000007AA000-memory.dmp

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memory/1504-25-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

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memory/1504-21-0x0000000000400000-0x00000000007AA000-memory.dmp

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memory/1504-16-0x0000000000400000-0x00000000007AA000-memory.dmp

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memory/1504-22-0x0000000000400000-0x00000000007AA000-memory.dmp

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memory/1504-17-0x0000000000400000-0x00000000007AA000-memory.dmp

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memory/1504-28-0x0000000000400000-0x00000000007AA000-memory.dmp

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memory/1504-19-0x0000000000400000-0x00000000007AA000-memory.dmp

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memory/1504-18-0x0000000000400000-0x00000000007AA000-memory.dmp

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memory/2096-1-0x00000000002E0000-0x00000000002E8000-memory.dmp

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memory/2096-2-0x000007FEF6060000-0x000007FEF6A4C000-memory.dmp

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memory/2096-3-0x000000001B700000-0x000000001BA74000-memory.dmp

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memory/2096-0-0x000007FEF6063000-0x000007FEF6064000-memory.dmp

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memory/2096-31-0x000007FEF6063000-0x000007FEF6064000-memory.dmp

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memory/2096-32-0x000007FEF6060000-0x000007FEF6A4C000-memory.dmp

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