d1277cf74db30d16884abaf7a0f487374f63aba610e1a966da28e71a421db7ab

Analysis

max time kernel
147s
max time network
120s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
07/05/2024, 08:07

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General

Target

Inv 070324.exe
Size

755KB
MD5

4e96cb7f48fc8c4ac06a1cf484e85e4d
SHA1

0d6fff464505680dd3e58b360cb0b13e5c55c3de
SHA256

d1277cf74db30d16884abaf7a0f487374f63aba610e1a966da28e71a421db7ab
SHA512

fc85a23f5acebc843a256b39a84b9a5cb6893c942f9abf72aa27c3429a5a3c5c209bc4f9ca20126fbc4041aeb35ff16ff120ae345558aad1e9cfe080fbe389a5
SSDEEP

12288:Oo6giAEfDdJ19MN8oKhKSDOM03nkRjQ5XBS7jLJHrsSU2iVDbiIXBYx9fIkR:0gRE7dJ1GRZXkNUS3LtrsSMVDbiIRG9n

Score

8^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2544	powershell.exe
2548	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1540 set thread context of 2356	1540	Inv 070324.exe	35
PID 2356 set thread context of 1188	2356	RegSvcs.exe	21
PID 2356 set thread context of 2280	2356	RegSvcs.exe	38
PID 2280 set thread context of 1188	2280	setupugc.exe	21

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

System Information Discovery
T1082

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/Job

T1053

pid	Process
2708	schtasks.exe

Suspicious behavior: EnumeratesProcesses 37 IoCs

pid	Process
1540	Inv 070324.exe
1540	Inv 070324.exe
1540	Inv 070324.exe
1540	Inv 070324.exe
2548	powershell.exe
2544	powershell.exe
1540	Inv 070324.exe
2356	RegSvcs.exe
2356	RegSvcs.exe
2356	RegSvcs.exe
2356	RegSvcs.exe
2356	RegSvcs.exe
2356	RegSvcs.exe
2356	RegSvcs.exe
2356	RegSvcs.exe
2280	setupugc.exe
2280	setupugc.exe
2280	setupugc.exe
2280	setupugc.exe
2280	setupugc.exe
2280	setupugc.exe
2280	setupugc.exe
2280	setupugc.exe
2280	setupugc.exe
2280	setupugc.exe
2280	setupugc.exe
2280	setupugc.exe
2280	setupugc.exe
2280	setupugc.exe
2280	setupugc.exe
2280	setupugc.exe
2280	setupugc.exe
2280	setupugc.exe
2280	setupugc.exe
2280	setupugc.exe
2280	setupugc.exe
2280	setupugc.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2356	RegSvcs.exe
1188	Explorer.EXE
1188	Explorer.EXE
2280	setupugc.exe
2280	setupugc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1540	Inv 070324.exe
Token: SeDebugPrivilege	2548	powershell.exe
Token: SeDebugPrivilege	2544	powershell.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1540 wrote to memory of 2544	1540	Inv 070324.exe	28
PID 1540 wrote to memory of 2544	1540	Inv 070324.exe	28
PID 1540 wrote to memory of 2544	1540	Inv 070324.exe	28
PID 1540 wrote to memory of 2544	1540	Inv 070324.exe	28
PID 1540 wrote to memory of 2548	1540	Inv 070324.exe	30
PID 1540 wrote to memory of 2548	1540	Inv 070324.exe	30
PID 1540 wrote to memory of 2548	1540	Inv 070324.exe	30
PID 1540 wrote to memory of 2548	1540	Inv 070324.exe	30
PID 1540 wrote to memory of 2708	1540	Inv 070324.exe	32
PID 1540 wrote to memory of 2708	1540	Inv 070324.exe	32
PID 1540 wrote to memory of 2708	1540	Inv 070324.exe	32
PID 1540 wrote to memory of 2708	1540	Inv 070324.exe	32
PID 1540 wrote to memory of 2408	1540	Inv 070324.exe	34
PID 1540 wrote to memory of 2408	1540	Inv 070324.exe	34
PID 1540 wrote to memory of 2408	1540	Inv 070324.exe	34
PID 1540 wrote to memory of 2408	1540	Inv 070324.exe	34
PID 1540 wrote to memory of 2408	1540	Inv 070324.exe	34
PID 1540 wrote to memory of 2408	1540	Inv 070324.exe	34
PID 1540 wrote to memory of 2408	1540	Inv 070324.exe	34
PID 1540 wrote to memory of 2356	1540	Inv 070324.exe	35
PID 1540 wrote to memory of 2356	1540	Inv 070324.exe	35
PID 1540 wrote to memory of 2356	1540	Inv 070324.exe	35
PID 1540 wrote to memory of 2356	1540	Inv 070324.exe	35
PID 1540 wrote to memory of 2356	1540	Inv 070324.exe	35
PID 1540 wrote to memory of 2356	1540	Inv 070324.exe	35
PID 1540 wrote to memory of 2356	1540	Inv 070324.exe	35
PID 1540 wrote to memory of 2356	1540	Inv 070324.exe	35
PID 1540 wrote to memory of 2356	1540	Inv 070324.exe	35
PID 1540 wrote to memory of 2356	1540	Inv 070324.exe	35
PID 1188 wrote to memory of 2280	1188	Explorer.EXE	38
PID 1188 wrote to memory of 2280	1188	Explorer.EXE	38
PID 1188 wrote to memory of 2280	1188	Explorer.EXE	38
PID 1188 wrote to memory of 2280	1188	Explorer.EXE	38
PID 1188 wrote to memory of 2280	1188	Explorer.EXE	38
PID 1188 wrote to memory of 2280	1188	Explorer.EXE	38
PID 1188 wrote to memory of 2280	1188	Explorer.EXE	38

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Users\Admin\AppData\Local\Temp\Inv 070324.exe
  "C:\Users\Admin\AppData\Local\Temp\Inv 070324.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1540
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Inv 070324.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2544
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nrknGm.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2548
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nrknGm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4E8D.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2708
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2408
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    PID:2356
- C:\Windows\SysWOW64\setupugc.exe
  "C:\Windows\SysWOW64\setupugc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:2280

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4E8D.tmp

Filesize
1KB

MD5
7f51b11b2e0649accaa59e342484c14b

SHA1
8d7bc3bb060a9632423d1004ab7bffdbdfa11d8d

SHA256
5f2b905e78692824353ee1558db301e9864dcdf5daf0f2a649a5e525f9f32e84

SHA512
a616d27e57745b0305611bf6d3351b81e407b51ec2060b717eddaf5dede006d1b7d6a73cef9c6b8f20b55292c0f89045693b221796afca2eff10713d2f82b732

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
55400835c4b853790ac348ad4fa8d83b

SHA1
7beab4df58cb7d77caae5c2c21b1f825afcca7f9

SHA256
93d077d9850a80e1f5386bc753ec08857808210c92ca798b79ac99bebb3f7e9e

SHA512
ea6599f00e2113af86d0c153be9ef41c5f083a9f14c8ad5705168e741ae57e50eee646378facd1112970e8bf6ea195da860a930868e3bd2690d4e874aa809fd3

Download Submit
memory/1188-27-0x0000000003030000-0x0000000003130000-memory.dmp

Filesize
1024KB

Download
memory/1540-4-0x0000000000530000-0x000000000053E000-memory.dmp

Filesize
56KB

Download
memory/1540-25-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/1540-5-0x0000000000540000-0x0000000000556000-memory.dmp

Filesize
88KB

Download
memory/1540-6-0x0000000005440000-0x00000000054CA000-memory.dmp

Filesize
552KB

Download
memory/1540-3-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1540-2-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/1540-1-0x0000000000830000-0x00000000008EE000-memory.dmp

Filesize
760KB

Download
memory/1540-0-0x000000007481E000-0x000000007481F000-memory.dmp

Filesize
4KB

Download
memory/2280-28-0x0000000000090000-0x00000000000CF000-memory.dmp

Filesize
252KB

Download
memory/2280-29-0x0000000000090000-0x00000000000CF000-memory.dmp

Filesize
252KB

Download
memory/2356-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2356-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2356-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2356-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2356-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download