f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc

General

Target

f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
Size

276KB
MD5

49772b743a7f18d91d06a74b1ec68cbe
SHA1

05429aa996033cee44331e4f9aab713a1bc0bf93
SHA256

f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc
SHA512

07309dcd960717f1cf1c875a2e33fb871b1eb41e5981afd502129261b0f9da07a67305ba181aa58327ff8b03a6537abfdb9616344a75e662c821a9a959a6a9dd
SSDEEP

6144:1mGwibP3TQFzQy8VEPpxwW+T+YDGcyNpl/:1mGwibPIky8/T+np

Score

9^/10

cryptone packer persistence

Malware Config

Signatures

CryptOne packer 8 IoCs

Detects CryptOne packer defined in NCC blogpost.

cryptone packer

Processes:

resource	yara_rule
behavioral2/memory/4620-133-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/4688-140-0x0000000000E40000-0x0000000000E69000-memory.dmp	cryptone
behavioral2/memory/4620-139-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/3512-141-0x0000000000380000-0x00000000003A9000-memory.dmp	cryptone
behavioral2/memory/3512-143-0x0000000000380000-0x00000000003A9000-memory.dmp	cryptone
behavioral2/memory/3512-142-0x0000000000380000-0x00000000003A9000-memory.dmp	cryptone
behavioral2/memory/4620-147-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/4688-152-0x0000000000E40000-0x0000000000E69000-memory.dmp	cryptone

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

mspaint.exesvchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Srklkd = "C:\\Users\\Admin\\AppData\\Roaming\\Identities\\Srklkd.exe"	mspaint.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Adobe System Incorporated = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Adobe\\Reader_sl.exe"	svchost.exe

Enumerates connected drives 3 TTPs 24 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

svchost.exemspaint.exe

description	ioc	process
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\E:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\D:	mspaint.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\B:	svchost.exe
File opened (read-only)	\??\F:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exef15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe

description	pid	process	target process
PID 1428 set thread context of 4620	1428	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
PID 4620 set thread context of 3864	4620	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exesvchost.exef15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe

pid	process
1428	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
1428	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
1428	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
1428	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
4688	svchost.exe
4688	svchost.exe
3864	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
3864	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
3864	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe

pid process

4620 f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe

pid	process
4620	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exesvchost.execalc.exemspaint.exe

description	pid	process
Token: SeDebugPrivilege	3864	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
Token: SeDebugPrivilege	4688	svchost.exe
Token: SeDebugPrivilege	228	calc.exe
Token: SeDebugPrivilege	3512	mspaint.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exef15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exesvchost.exef15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe

description	pid	process	target process
PID 1428 wrote to memory of 4620	1428	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
PID 1428 wrote to memory of 4620	1428	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
PID 1428 wrote to memory of 4620	1428	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
PID 1428 wrote to memory of 4620	1428	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
PID 1428 wrote to memory of 4620	1428	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
PID 1428 wrote to memory of 4620	1428	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
PID 1428 wrote to memory of 4620	1428	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
PID 1428 wrote to memory of 4620	1428	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
PID 1428 wrote to memory of 4620	1428	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
PID 1428 wrote to memory of 4620	1428	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
PID 4620 wrote to memory of 4688	4620	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	svchost.exe
PID 4620 wrote to memory of 4688	4620	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	svchost.exe
PID 4620 wrote to memory of 4688	4620	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	svchost.exe
PID 4620 wrote to memory of 4688	4620	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	svchost.exe
PID 4620 wrote to memory of 228	4620	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	calc.exe
PID 4620 wrote to memory of 228	4620	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	calc.exe
PID 4620 wrote to memory of 228	4620	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	calc.exe
PID 4620 wrote to memory of 228	4620	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	calc.exe
PID 4620 wrote to memory of 228	4620	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	calc.exe
PID 4688 wrote to memory of 3512	4688	svchost.exe	mspaint.exe
PID 4688 wrote to memory of 3512	4688	svchost.exe	mspaint.exe
PID 4688 wrote to memory of 3512	4688	svchost.exe	mspaint.exe
PID 4688 wrote to memory of 3512	4688	svchost.exe	mspaint.exe
PID 4620 wrote to memory of 3864	4620	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
PID 4620 wrote to memory of 3864	4620	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
PID 4620 wrote to memory of 3864	4620	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
PID 4620 wrote to memory of 3864	4620	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
PID 4620 wrote to memory of 3864	4620	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
PID 4620 wrote to memory of 3864	4620	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
PID 4620 wrote to memory of 3864	4620	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
PID 4620 wrote to memory of 3864	4620	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
PID 4620 wrote to memory of 3864	4620	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
PID 3864 wrote to memory of 228	3864	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	calc.exe
PID 3864 wrote to memory of 228	3864	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	calc.exe
PID 3864 wrote to memory of 4688	3864	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	svchost.exe
PID 3864 wrote to memory of 4688	3864	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	svchost.exe
PID 3864 wrote to memory of 3512	3864	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	mspaint.exe
PID 3864 wrote to memory of 3512	3864	f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe	mspaint.exe

C:\Users\Admin\AppData\Local\Temp\f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
"C:\Users\Admin\AppData\Local\Temp\f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1428

C:\Users\Admin\AppData\Local\Temp\f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
"C:\Users\Admin\AppData\Local\Temp\f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4620

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
3⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4688

C:\Windows\SysWOW64\mspaint.exe
"C:\Windows\SysWOW64\mspaint.exe"
4⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
PID:3512

C:\Windows\SysWOW64\calc.exe
"C:\Windows\SysWOW64\calc.exe"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:228

C:\Users\Admin\AppData\Local\Temp\f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe
"C:\Users\Admin\AppData\Local\Temp\f15e7faee4e957b55af1ea183629d788e43d2c9010999f1e061792f7acc92efc.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3864

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/228-137-0x0000000000000000-mapping.dmp

Download
memory/228-154-0x0000000000CC0000-0x0000000000D0E000-memory.dmp

Filesize
312KB

Download
memory/1428-135-0x0000000002180000-0x000000000219A000-memory.dmp

Filesize
104KB

Download
memory/3512-142-0x0000000000380000-0x00000000003A9000-memory.dmp

Filesize
164KB

Download
memory/3512-144-0x0000000000380000-0x00000000003A9000-memory.dmp

Filesize
164KB

Download
memory/3512-138-0x0000000000000000-mapping.dmp

Download
memory/3512-151-0x0000000000380000-0x00000000003A9000-memory.dmp

Filesize
164KB

Download
memory/3512-158-0x00000000009D0000-0x0000000000BE0000-memory.dmp

Filesize
2.1MB

Download
memory/3512-141-0x0000000000380000-0x00000000003A9000-memory.dmp

Filesize
164KB

Download
memory/3512-143-0x0000000000380000-0x00000000003A9000-memory.dmp

Filesize
164KB

Download
memory/3512-156-0x00000000009D0000-0x0000000000BE0000-memory.dmp

Filesize
2.1MB

Download
memory/3864-145-0x0000000000000000-mapping.dmp

Download
memory/3864-146-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3864-149-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3864-150-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3864-157-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3864-153-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4620-139-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4620-147-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4620-132-0x0000000000000000-mapping.dmp

Download
memory/4620-133-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4688-140-0x0000000000E40000-0x0000000000E69000-memory.dmp

Filesize
164KB

Download
memory/4688-155-0x0000000000E80000-0x0000000000ECE000-memory.dmp

Filesize
312KB

Download
memory/4688-152-0x0000000000E40000-0x0000000000E69000-memory.dmp

Filesize
164KB

Download
memory/4688-136-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads