1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97

General

Target

1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe
Size

205KB
MD5

00cda7f78f35d0bf0d77ac17d7a52f90
SHA1

f1aced357b138d453436dee499693f81e8e3481d
SHA256

1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97
SHA512

58edff2a5f02ed3474e0941cf0558bae0a85f5b540f130a0dd291b274724a3385c746b6e51faa3ce185657467a8fd36fa37de8039c393e832c943cbf7162911d
SSDEEP

3072:rdveuZ/l6Gpnxd+6kfDDffffNfffLffffnWz5ExMaj4YZ/5dlQUj0NcfTST+CwuA:FN6G/Ex1kQ/u602L2+CjA

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/1348-64-0x0000000000400000-0x0000000001400000-memory.dmp	cryptone
behavioral1/memory/1268-65-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone
behavioral1/memory/768-71-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone
behavioral1/memory/768-73-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone
behavioral1/memory/768-72-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone
behavioral1/memory/1348-89-0x0000000000400000-0x0000000001400000-memory.dmp	cryptone
behavioral1/memory/1268-182-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone

Deletes itself 1 IoCs

Processes:

notepad.exe

pid process

768 notepad.exe

pid	process
768	notepad.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exenotepad.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Adobe System Incorporated = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Adobe\\Reader_sl.exe"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run	notepad.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Kkszsj = "C:\\Users\\Admin\\AppData\\Roaming\\Identities\\Kkszsj.exe"	notepad.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.exenotepad.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe

description	pid	process	target process
PID 1348 set thread context of 892	1348	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

svchost.exe1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe

pid process

1268 svchost.exe
892 1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe

pid	process
1268	svchost.exe
892	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exesvchost.execalc.exenotepad.exe

description	pid	process
Token: SeDebugPrivilege	892	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe
Token: SeDebugPrivilege	1268	svchost.exe
Token: SeDebugPrivilege	2032	calc.exe
Token: SeDebugPrivilege	768	notepad.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exesvchost.exe1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe

description	pid	process	target process
PID 1348 wrote to memory of 1268	1348	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	svchost.exe
PID 1348 wrote to memory of 1268	1348	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	svchost.exe
PID 1348 wrote to memory of 1268	1348	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	svchost.exe
PID 1348 wrote to memory of 1268	1348	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	svchost.exe
PID 1348 wrote to memory of 2032	1348	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	calc.exe
PID 1348 wrote to memory of 2032	1348	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	calc.exe
PID 1348 wrote to memory of 2032	1348	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	calc.exe
PID 1348 wrote to memory of 2032	1348	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	calc.exe
PID 1348 wrote to memory of 2032	1348	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	calc.exe
PID 1348 wrote to memory of 2032	1348	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	calc.exe
PID 1348 wrote to memory of 1268	1348	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	svchost.exe
PID 1268 wrote to memory of 768	1268	svchost.exe	notepad.exe
PID 1268 wrote to memory of 768	1268	svchost.exe	notepad.exe
PID 1268 wrote to memory of 768	1268	svchost.exe	notepad.exe
PID 1268 wrote to memory of 768	1268	svchost.exe	notepad.exe
PID 1268 wrote to memory of 768	1268	svchost.exe	notepad.exe
PID 1348 wrote to memory of 892	1348	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe
PID 1348 wrote to memory of 892	1348	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe
PID 1348 wrote to memory of 892	1348	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe
PID 1348 wrote to memory of 892	1348	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe
PID 1348 wrote to memory of 892	1348	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe
PID 1348 wrote to memory of 892	1348	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe
PID 1348 wrote to memory of 892	1348	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe
PID 1348 wrote to memory of 892	1348	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe
PID 1348 wrote to memory of 892	1348	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe
PID 1348 wrote to memory of 892	1348	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe
PID 892 wrote to memory of 1268	892	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	svchost.exe
PID 892 wrote to memory of 1268	892	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	svchost.exe
PID 892 wrote to memory of 2032	892	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	calc.exe
PID 892 wrote to memory of 2032	892	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	calc.exe
PID 892 wrote to memory of 768	892	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	notepad.exe
PID 892 wrote to memory of 768	892	1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe	notepad.exe

C:\Users\Admin\AppData\Local\Temp\1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe
"C:\Users\Admin\AppData\Local\Temp\1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1348

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:1268

C:\Windows\SysWOW64\notepad.exe
"C:\Windows\SysWOW64\notepad.exe"
3⤵
- Deletes itself
- Adds Run key to start application
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
PID:768

C:\Windows\SysWOW64\calc.exe
"C:\Windows\SysWOW64\calc.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2032

C:\Users\Admin\AppData\Local\Temp\1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe
"C:\Users\Admin\AppData\Local\Temp\1f9c7b98485c5f1072970ecdd733096b8d4b37891b80ff92a9fa35b6c4018d97.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:892

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/768-74-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/768-333-0x0000000000230000-0x000000000027E000-memory.dmp

Filesize
312KB

Download
memory/768-116-0x0000000000230000-0x000000000027E000-memory.dmp

Filesize
312KB

Download
memory/768-109-0x0000000000230000-0x000000000027E000-memory.dmp

Filesize
312KB

Download
memory/768-127-0x0000000000230000-0x000000000027E000-memory.dmp

Filesize
312KB

Download
memory/768-188-0x0000000000230000-0x000000000027E000-memory.dmp

Filesize
312KB

Download
memory/768-91-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/768-121-0x0000000000230000-0x000000000027E000-memory.dmp

Filesize
312KB

Download
memory/768-72-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/768-69-0x0000000000000000-mapping.dmp

Download
memory/768-71-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/768-73-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/892-78-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/892-90-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/892-76-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/892-114-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/892-75-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/892-80-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/892-82-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/892-84-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/892-85-0x0000000000410910-mapping.dmp

Download
memory/892-88-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1268-119-0x00000000001D0000-0x000000000021E000-memory.dmp

Filesize
312KB

Download
memory/1268-65-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1268-182-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1268-96-0x00000000001D0000-0x000000000021E000-memory.dmp

Filesize
312KB

Download
memory/1268-99-0x00000000001D0000-0x000000000021E000-memory.dmp

Filesize
312KB

Download
memory/1268-125-0x00000000001D0000-0x000000000021E000-memory.dmp

Filesize
312KB

Download
memory/1268-331-0x00000000001D0000-0x000000000021E000-memory.dmp

Filesize
312KB

Download
memory/1268-60-0x0000000000000000-mapping.dmp

Download
memory/1268-112-0x00000000001D0000-0x000000000021E000-memory.dmp

Filesize
312KB

Download
memory/1268-105-0x00000000001D0000-0x000000000021E000-memory.dmp

Filesize
312KB

Download
memory/1268-55-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1348-89-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1348-54-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/1348-64-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1348-63-0x00000000002C0000-0x00000000002D3000-memory.dmp

Filesize
76KB

Download
memory/2032-120-0x00000000004D0000-0x000000000051E000-memory.dmp

Filesize
312KB

Download
memory/2032-126-0x00000000004D0000-0x000000000051E000-memory.dmp

Filesize
312KB

Download
memory/2032-106-0x00000000004D0000-0x000000000051E000-memory.dmp

Filesize
312KB

Download
memory/2032-101-0x00000000004D0000-0x000000000051E000-memory.dmp

Filesize
312KB

Download
memory/2032-113-0x00000000004D0000-0x000000000051E000-memory.dmp

Filesize
312KB

Download
memory/2032-66-0x00000000000C0000-0x00000000000C2000-memory.dmp

Filesize
8KB

Download
memory/2032-59-0x0000000000000000-mapping.dmp

Download
memory/2032-332-0x00000000004D0000-0x000000000051E000-memory.dmp

Filesize
312KB

Download
memory/2032-56-0x00000000000C0000-0x00000000000C2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads