41b3c8d5c7a82b55f449b8636077f8396f7db56d7c6ba639326d3fb4da1b9341

General

Target

tmp.exe
Size

670KB
MD5

f7aef9626bdc4486b03d6edd12da9dea
SHA1

b020bfd387db5a54be11bd0938cf56d7a50f73af
SHA256

41b3c8d5c7a82b55f449b8636077f8396f7db56d7c6ba639326d3fb4da1b9341
SHA512

48dc23734f75a07eafad5cc9dda928bbe688c9e025211e882162e1f620359ee133f456e6e45b4479b1a42b505897754819d774d34d47d08e6eaf5bd9e72f28a1
SSDEEP

12288:CAZsu9gdK4gc0j1XRNnHGRvHDhx+douwd/pSDtVQvyXKUGgdRlS:YuSwRVzHGRvHDKdoTvStVQvybGg5

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

Processes:

powershell.exepowershell.exe

pid process

3512 powershell.exe
2652 powershell.exe
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

Processes:

tmp.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation tmp.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

tmp.exe

description pid process target process

PID 1420 set thread context of 1544 1420 tmp.exe tmp.exe
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

Processes:

schtasks.exe

pid process

4688 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exepowershell.exe

pid process

2652 powershell.exe
3512 powershell.exe
2652 powershell.exe
3512 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2652 powershell.exe
Token: SeDebugPrivilege 3512 powershell.exe

pid	process
3512	powershell.exe
2652	powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	tmp.exe

description	pid	process	target process
PID 1420 set thread context of 1544	1420	tmp.exe	tmp.exe

pid	process
4688	schtasks.exe

pid	process
2652	powershell.exe
3512	powershell.exe
2652	powershell.exe
3512	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2652	powershell.exe
Token: SeDebugPrivilege	3512	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

tmp.exe

description	pid	process	target process
PID 1420 wrote to memory of 3512	1420	tmp.exe	powershell.exe
PID 1420 wrote to memory of 3512	1420	tmp.exe	powershell.exe
PID 1420 wrote to memory of 2652	1420	tmp.exe	powershell.exe
PID 1420 wrote to memory of 2652	1420	tmp.exe	powershell.exe
PID 1420 wrote to memory of 4688	1420	tmp.exe	schtasks.exe
PID 1420 wrote to memory of 4688	1420	tmp.exe	schtasks.exe
PID 1420 wrote to memory of 1544	1420	tmp.exe	tmp.exe
PID 1420 wrote to memory of 1544	1420	tmp.exe	tmp.exe
PID 1420 wrote to memory of 1544	1420	tmp.exe	tmp.exe

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\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1420

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\tmp.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3512

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hlCRtF.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2652

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hlCRtF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9BC3.tmp"
2⤵
- Creates scheduled task(s)
PID:4688

C:\Users\Admin\AppData\Local\Temp\tmp.exe
C:\Users\Admin\AppData\Local\Temp\tmp.exe
2⤵
PID:1544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mxyed2uk.uor.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9BC3.tmp

Filesize
1KB

MD5
a22cf70428c2dfa73b368eb91fd5fb4c

SHA1
c52dc2922dbf0c21316ae7d8ab3380b0fd7ea39b

SHA256
922b522386d9ba4b2dcbad3a9cb847b45be577efa598859c24329ef87b1b9deb

SHA512
5303d24e221967741aca6be7e733ebbec9973ff1d71924bf5cdadd2a2c18724fefc4d6a17bc1fe069bfb4a5300533961198d70231af04d99343da10c462621be

Download Submit
memory/1420-12-0x00007FFE30510000-0x00007FFE30FD1000-memory.dmp

Filesize
10.8MB

Download
memory/1420-16-0x00007FFE30510000-0x00007FFE30FD1000-memory.dmp

Filesize
10.8MB

Download
memory/1420-6-0x00007FFE30513000-0x00007FFE30515000-memory.dmp

Filesize
8KB

Download
memory/1420-4-0x00000000011E0000-0x00000000011F4000-memory.dmp

Filesize
80KB

Download
memory/1420-0-0x00007FFE30513000-0x00007FFE30515000-memory.dmp

Filesize
8KB

Download
memory/1420-1-0x0000000000750000-0x00000000007FC000-memory.dmp

Filesize
688KB

Download
memory/1420-2-0x00007FFE30510000-0x00007FFE30FD1000-memory.dmp

Filesize
10.8MB

Download
memory/1420-5-0x000000001D500000-0x000000001D580000-memory.dmp

Filesize
512KB

Download
memory/1420-3-0x00000000032D0000-0x00000000032EC000-memory.dmp

Filesize
112KB

Download
memory/2652-26-0x000002465B780000-0x000002465B7A2000-memory.dmp

Filesize
136KB

Download
memory/2652-27-0x00007FFE30510000-0x00007FFE30FD1000-memory.dmp

Filesize
10.8MB

Download
memory/2652-15-0x00007FFE30510000-0x00007FFE30FD1000-memory.dmp

Filesize
10.8MB

Download
memory/2652-13-0x00007FFE30510000-0x00007FFE30FD1000-memory.dmp

Filesize
10.8MB

Download
memory/2652-42-0x00007FFE30510000-0x00007FFE30FD1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads