82a7b83bacb8a14b90742ab0cc14fdfa1f27713d634542a3c6a8e0d4940a6a61

Analysis

max time kernel
149s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
submitted
28/06/2023, 14:22

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General

Target

file.exe
Size

486KB
MD5

168a81401f16e7a01e8c51ae761b825f
SHA1

e3c7f8b46cac83b9843169f56653b0a6a50a7032
SHA256

82a7b83bacb8a14b90742ab0cc14fdfa1f27713d634542a3c6a8e0d4940a6a61
SHA512

39a4f997efb5c1785e0e2d36d15bbcdf49823ac0cf9a231e313f30f9520e9f325de8029ac324edca08a29410cdd2e397bc6b2e05f2dc9a0afab57e755804edf8
SSDEEP

12288:laL63LUmfl+JYY2zcH1mqdb1gWyH/pZ1+J831Bs2YJ4RLQ0js05HXgf3:ljkcQA/t+q31GN4+2b1Xgf3

Score

7^/10

persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2177513644-1903222820-241662473-1000\Control Panel\International\Geo\Nation	file.exe

Executes dropped EXE 1 IoCs

pid	Process
100	svchost.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-1-5-21-2177513644-1903222820-241662473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\""	file.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 100 set thread context of 4364	100	svchost.exe	100

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

T1053

pid	Process
2308	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1796	timeout.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2692	file.exe
2692	file.exe
2692	file.exe
2692	file.exe
2692	file.exe
2692	file.exe
2692	file.exe
2692	file.exe
2692	file.exe
2692	file.exe
2692	file.exe
2692	file.exe
2692	file.exe
2692	file.exe
2692	file.exe
2692	file.exe
2692	file.exe
2692	file.exe
2692	file.exe
2692	file.exe
2692	file.exe
100	svchost.exe
100	svchost.exe
100	svchost.exe
100	svchost.exe
100	svchost.exe
100	svchost.exe
100	svchost.exe
100	svchost.exe
100	svchost.exe
100	svchost.exe
100	svchost.exe
100	svchost.exe
100	svchost.exe
100	svchost.exe
100	svchost.exe
100	svchost.exe
100	svchost.exe
100	svchost.exe
100	svchost.exe
100	svchost.exe
4364	AddInProcess32.exe
4364	AddInProcess32.exe
4364	AddInProcess32.exe
4364	AddInProcess32.exe
4364	AddInProcess32.exe
4364	AddInProcess32.exe
4364	AddInProcess32.exe
4364	AddInProcess32.exe
4364	AddInProcess32.exe
4364	AddInProcess32.exe
4364	AddInProcess32.exe
4364	AddInProcess32.exe
4364	AddInProcess32.exe
4364	AddInProcess32.exe
4364	AddInProcess32.exe
4364	AddInProcess32.exe
4364	AddInProcess32.exe
4364	AddInProcess32.exe
4364	AddInProcess32.exe
4364	AddInProcess32.exe
4364	AddInProcess32.exe
4364	AddInProcess32.exe
4364	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2692	file.exe
Token: SeDebugPrivilege	100	svchost.exe
Token: SeDebugPrivilege	4364	AddInProcess32.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 876	2692	file.exe	83
PID 2692 wrote to memory of 876	2692	file.exe	83
PID 2692 wrote to memory of 2248	2692	file.exe	85
PID 2692 wrote to memory of 2248	2692	file.exe	85
PID 876 wrote to memory of 2308	876	cmd.exe	87
PID 876 wrote to memory of 2308	876	cmd.exe	87
PID 2248 wrote to memory of 1796	2248	cmd.exe	88
PID 2248 wrote to memory of 1796	2248	cmd.exe	88
PID 2248 wrote to memory of 100	2248	cmd.exe	89
PID 2248 wrote to memory of 100	2248	cmd.exe	89
PID 100 wrote to memory of 3332	100	svchost.exe	90
PID 100 wrote to memory of 3332	100	svchost.exe	90
PID 100 wrote to memory of 812	100	svchost.exe	91
PID 100 wrote to memory of 812	100	svchost.exe	91
PID 100 wrote to memory of 3200	100	svchost.exe	92
PID 100 wrote to memory of 3200	100	svchost.exe	92
PID 100 wrote to memory of 936	100	svchost.exe	93
PID 100 wrote to memory of 936	100	svchost.exe	93
PID 100 wrote to memory of 2868	100	svchost.exe	94
PID 100 wrote to memory of 2868	100	svchost.exe	94
PID 100 wrote to memory of 3304	100	svchost.exe	95
PID 100 wrote to memory of 3304	100	svchost.exe	95
PID 100 wrote to memory of 1816	100	svchost.exe	96
PID 100 wrote to memory of 1816	100	svchost.exe	96
PID 100 wrote to memory of 3092	100	svchost.exe	97
PID 100 wrote to memory of 3092	100	svchost.exe	97
PID 100 wrote to memory of 5040	100	svchost.exe	98
PID 100 wrote to memory of 5040	100	svchost.exe	98
PID 100 wrote to memory of 2136	100	svchost.exe	99
PID 100 wrote to memory of 2136	100	svchost.exe	99
PID 100 wrote to memory of 4364	100	svchost.exe	100
PID 100 wrote to memory of 4364	100	svchost.exe	100
PID 100 wrote to memory of 4364	100	svchost.exe	100
PID 100 wrote to memory of 4364	100	svchost.exe	100
PID 100 wrote to memory of 4364	100	svchost.exe	100
PID 100 wrote to memory of 4364	100	svchost.exe	100

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:876
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
    3⤵
    - Creates scheduled task(s)
    PID:2308
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF4D4.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2248
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:1796
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:100
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInUtil.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInUtil.exe"
      4⤵
      PID:3332
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regbrowsers.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regbrowsers.exe"
      4⤵
      PID:812
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe"
      4⤵
      PID:3200
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regsql.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regsql.exe"
      4⤵
      PID:936
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\EdmGen.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\EdmGen.exe"
      4⤵
      PID:2868
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_wp.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_wp.exe"
      4⤵
      PID:3304
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe"
      4⤵
      PID:1816
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe"
      4⤵
      PID:3092
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ilasm.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ilasm.exe"
      4⤵
      PID:5040
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe"
      4⤵
      PID:2136
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4364

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

Query Registry

T1012

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\tmpF4D4.tmp.bat

Filesize
151B

MD5
5f0088a9802373975760f8e0f5563c1e

SHA1
b39f383a030d5dbc63f0eded8c90849331581875

SHA256
66370079e9b4294250a7272f4a2a402847c5482283f193ad623794dd8fbbc8c5

SHA512
0e9d22c343b2da574f1e33f2f4eb5a7555676c25c975905d27662c15042eed093c9440e8fe63bd2f0b65503720f5ae14f660f4382e617c7533ad4984972108ef

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
486KB

MD5
168a81401f16e7a01e8c51ae761b825f

SHA1
e3c7f8b46cac83b9843169f56653b0a6a50a7032

SHA256
82a7b83bacb8a14b90742ab0cc14fdfa1f27713d634542a3c6a8e0d4940a6a61

SHA512
39a4f997efb5c1785e0e2d36d15bbcdf49823ac0cf9a231e313f30f9520e9f325de8029ac324edca08a29410cdd2e397bc6b2e05f2dc9a0afab57e755804edf8

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
486KB

MD5
168a81401f16e7a01e8c51ae761b825f

SHA1
e3c7f8b46cac83b9843169f56653b0a6a50a7032

SHA256
82a7b83bacb8a14b90742ab0cc14fdfa1f27713d634542a3c6a8e0d4940a6a61

SHA512
39a4f997efb5c1785e0e2d36d15bbcdf49823ac0cf9a231e313f30f9520e9f325de8029ac324edca08a29410cdd2e397bc6b2e05f2dc9a0afab57e755804edf8

Download Submit
memory/2692-133-0x000001D3E3B30000-0x000001D3E3BAE000-memory.dmp

Filesize
504KB

Download
memory/2692-134-0x000001D3E5920000-0x000001D3E5930000-memory.dmp

Filesize
64KB

Download
memory/4364-143-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4364-145-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4364-146-0x0000000001720000-0x0000000001A6A000-memory.dmp

Filesize
3.3MB

Download
memory/4364-147-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download