cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0

General

Target

cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe
Size

223KB
MD5

81e837fac6aad1e5727952c902d60f3c
SHA1

34c549ffe0d6343f753bf3314c55b73d7fae9a48
SHA256

cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0
SHA512

adfe361d0733f9d7216528a5bc0f9b596c939c39181b3863e1c1e8be6a7e692511ac958692d2fa18cbdaf961d22e6ff61781671f0bf1705c29006571eddfb7c7
SSDEEP

3072:PEkhpNIl7aPnSQjClECQezlfsKuKY7Iwxpwvo3P9yTVpqdOPJ+F6Q3PU:dKePS7lssO7svWocKaVc

Score

9^/10

cryptone packer persistence

Malware Config

Signatures

CryptOne packer 7 IoCs

Detects CryptOne packer defined in NCC blogpost.

cryptone packer

Processes:

resource	yara_rule
behavioral1/memory/1732-64-0x0000000000400000-0x00000000008EA000-memory.dmp	cryptone
behavioral1/memory/1240-65-0x0000000000090000-0x00000000000B9000-memory.dmp	cryptone
behavioral1/memory/2044-71-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone
behavioral1/memory/2044-72-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone
behavioral1/memory/2044-73-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone
behavioral1/memory/1732-91-0x0000000000400000-0x00000000008EA000-memory.dmp	cryptone
behavioral1/memory/1240-229-0x0000000000090000-0x00000000000B9000-memory.dmp	cryptone

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exemspaint.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\Adobe System Incorporated = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Adobe\\Reader_sl.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\Qwxbxr = "C:\\Users\\Admin\\AppData\\Roaming\\Identities\\Qwxbxr.exe"	mspaint.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)	\??\U:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\F:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\D:	mspaint.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\Z:	svchost.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)	\??\B:	svchost.exe
File opened (read-only)	\??\E:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe

description	pid	process	target process
PID 1732 set thread context of 1756	1732	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

svchost.execf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe

pid process

1240 svchost.exe
1756 cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe

pid process

1732 cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe

pid	process
1240	svchost.exe
1756	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe

pid	process
1732	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.execalc.exesvchost.exemspaint.exe

description	pid	process
Token: SeDebugPrivilege	1756	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe
Token: SeDebugPrivilege	1988	calc.exe
Token: SeDebugPrivilege	1240	svchost.exe
Token: SeDebugPrivilege	2044	mspaint.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exesvchost.execf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe

description	pid	process	target process
PID 1732 wrote to memory of 1240	1732	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	svchost.exe
PID 1732 wrote to memory of 1240	1732	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	svchost.exe
PID 1732 wrote to memory of 1240	1732	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	svchost.exe
PID 1732 wrote to memory of 1240	1732	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	svchost.exe
PID 1732 wrote to memory of 1240	1732	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	svchost.exe
PID 1732 wrote to memory of 1988	1732	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	calc.exe
PID 1732 wrote to memory of 1988	1732	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	calc.exe
PID 1732 wrote to memory of 1988	1732	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	calc.exe
PID 1732 wrote to memory of 1988	1732	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	calc.exe
PID 1732 wrote to memory of 1988	1732	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	calc.exe
PID 1732 wrote to memory of 1988	1732	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	calc.exe
PID 1240 wrote to memory of 2044	1240	svchost.exe	mspaint.exe
PID 1240 wrote to memory of 2044	1240	svchost.exe	mspaint.exe
PID 1240 wrote to memory of 2044	1240	svchost.exe	mspaint.exe
PID 1240 wrote to memory of 2044	1240	svchost.exe	mspaint.exe
PID 1240 wrote to memory of 2044	1240	svchost.exe	mspaint.exe
PID 1732 wrote to memory of 1756	1732	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe
PID 1732 wrote to memory of 1756	1732	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe
PID 1732 wrote to memory of 1756	1732	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe
PID 1732 wrote to memory of 1756	1732	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe
PID 1732 wrote to memory of 1756	1732	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe
PID 1732 wrote to memory of 1756	1732	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe
PID 1732 wrote to memory of 1756	1732	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe
PID 1732 wrote to memory of 1756	1732	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe
PID 1732 wrote to memory of 1756	1732	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe
PID 1732 wrote to memory of 1756	1732	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe
PID 1756 wrote to memory of 1988	1756	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	calc.exe
PID 1756 wrote to memory of 1988	1756	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	calc.exe
PID 1756 wrote to memory of 1240	1756	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	svchost.exe
PID 1756 wrote to memory of 1240	1756	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	svchost.exe
PID 1756 wrote to memory of 2044	1756	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	mspaint.exe
PID 1756 wrote to memory of 2044	1756	cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe	mspaint.exe

C:\Users\Admin\AppData\Local\Temp\cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe
"C:\Users\Admin\AppData\Local\Temp\cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1732

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
2⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1240

C:\Windows\SysWOW64\mspaint.exe
"C:\Windows\SysWOW64\mspaint.exe"
3⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
PID:2044

C:\Windows\SysWOW64\calc.exe
"C:\Windows\SysWOW64\calc.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1988

C:\Users\Admin\AppData\Local\Temp\cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe
"C:\Users\Admin\AppData\Local\Temp\cf1d1a14b9aba2ea68ab67100d5438bb41eb9bc33e527d211fb2b815ac0cf9b0.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1756

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

Replay Monitor

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Downloads

memory/1240-102-0x00000000000F0000-0x000000000013E000-memory.dmp

Filesize
312KB

Download
memory/1240-55-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/1240-122-0x00000000000F0000-0x000000000013E000-memory.dmp

Filesize
312KB

Download
memory/1240-65-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/1240-116-0x00000000000F0000-0x000000000013E000-memory.dmp

Filesize
312KB

Download
memory/1240-229-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/1240-335-0x00000000000F0000-0x000000000013E000-memory.dmp

Filesize
312KB

Download
memory/1240-109-0x00000000000F0000-0x000000000013E000-memory.dmp

Filesize
312KB

Download
memory/1240-164-0x00000000000F0000-0x000000000013E000-memory.dmp

Filesize
312KB

Download
memory/1240-57-0x0000000000000000-mapping.dmp

Download
memory/1240-127-0x00000000000F0000-0x000000000013E000-memory.dmp

Filesize
312KB

Download
memory/1732-54-0x0000000074AB1000-0x0000000074AB3000-memory.dmp

Filesize
8KB

Download
memory/1732-91-0x0000000000400000-0x00000000008EA000-memory.dmp

Filesize
4.9MB

Download
memory/1732-64-0x0000000000400000-0x00000000008EA000-memory.dmp

Filesize
4.9MB

Download
memory/1732-59-0x00000000001C0000-0x00000000001D9000-memory.dmp

Filesize
100KB

Download
memory/1756-75-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1756-80-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1756-77-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1756-92-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1756-82-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1756-84-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1756-86-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1756-87-0x0000000000410910-mapping.dmp

Download
memory/1756-90-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1756-114-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1988-126-0x00000000002D0000-0x000000000031E000-memory.dmp

Filesize
312KB

Download
memory/1988-97-0x00000000002D0000-0x000000000031E000-memory.dmp

Filesize
312KB

Download
memory/1988-100-0x00000000002D0000-0x000000000031E000-memory.dmp

Filesize
312KB

Download
memory/1988-76-0x0000000000080000-0x0000000000082000-memory.dmp

Filesize
8KB

Download
memory/1988-337-0x0000000000308000-0x000000000030A000-memory.dmp

Filesize
8KB

Download
memory/1988-106-0x00000000002D0000-0x000000000031E000-memory.dmp

Filesize
312KB

Download
memory/1988-115-0x00000000002D0000-0x000000000031E000-memory.dmp

Filesize
312KB

Download
memory/1988-334-0x00000000002D0000-0x000000000031E000-memory.dmp

Filesize
312KB

Download
memory/1988-62-0x0000000000000000-mapping.dmp

Download
memory/1988-121-0x00000000002D0000-0x000000000031E000-memory.dmp

Filesize
312KB

Download
memory/1988-58-0x0000000000080000-0x0000000000082000-memory.dmp

Filesize
8KB

Download
memory/1988-159-0x00000000002D0000-0x000000000031E000-memory.dmp

Filesize
312KB

Download
memory/2044-120-0x0000000000370000-0x00000000003BE000-memory.dmp

Filesize
312KB

Download
memory/2044-71-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/2044-70-0x0000000000771000-0x0000000000773000-memory.dmp

Filesize
8KB

Download
memory/2044-113-0x0000000000370000-0x00000000003BE000-memory.dmp

Filesize
312KB

Download
memory/2044-108-0x0000000000370000-0x00000000003BE000-memory.dmp

Filesize
312KB

Download
memory/2044-128-0x0000000000370000-0x00000000003BE000-memory.dmp

Filesize
312KB

Download
memory/2044-68-0x0000000000000000-mapping.dmp

Download
memory/2044-170-0x0000000000370000-0x00000000003BE000-memory.dmp

Filesize
312KB

Download
memory/2044-72-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/2044-73-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/2044-74-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/2044-336-0x0000000000370000-0x00000000003BE000-memory.dmp

Filesize
312KB

Download
memory/2044-79-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads