1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7

General

Target

1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
Size

180KB
MD5

256bf39c9bfe4515cf32841b4b948251
SHA1

1d1dee617f4846f0873fd25d20308c6100f12d75
SHA256

1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7
SHA512

996fb453bc5d3b30c58b149864d7324c46ecd70c32029a10a043610453073d1668af265dccc576cbafd70827c3a271ae7d171bef8fd40c899076431c3226b77c
SSDEEP

3072:eU6MN9RgnEyPBEf1cIrPwwYvFuqCKAFZ1kikK+hzID:eU6sSE1cIrPivFlaFjkikZhU

Score

9^/10

cryptone packer persistence

Malware Config

Signatures

CryptOne packer 10 IoCs

Detects CryptOne packer defined in NCC blogpost.

cryptone packer

Processes:

resource	yara_rule
behavioral1/memory/1312-57-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/1312-60-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/1312-59-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/1312-63-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/1312-62-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/956-81-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone
behavioral1/memory/956-82-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone
behavioral1/memory/956-83-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone
behavioral1/memory/552-93-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone
behavioral1/memory/1312-91-0x0000000000400000-0x0000000000429000-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-1-5-21-4063495947-34355257-727531523-1000\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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Jzmemn = "C:\\Users\\Admin\\AppData\\Roaming\\Identities\\Jzmemn.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)	\??\B:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe
File opened (read-only)	\??\E:	svchost.exe
File opened (read-only)	\??\F:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\D:	mspaint.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe

description	pid	process	target process
PID 620 set thread context of 1312	620	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 1312 set thread context of 1948	1312	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exesvchost.exe1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe

pid	process
620	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
620	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
552	svchost.exe
1948	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe

pid process

1312 1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe

pid	process
1312	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exesvchost.execalc.exemspaint.exe

description	pid	process
Token: SeDebugPrivilege	1948	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
Token: SeDebugPrivilege	552	svchost.exe
Token: SeDebugPrivilege	1632	calc.exe
Token: SeDebugPrivilege	956	mspaint.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exesvchost.exe1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe

description	pid	process	target process
PID 620 wrote to memory of 1312	620	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 620 wrote to memory of 1312	620	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 620 wrote to memory of 1312	620	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 620 wrote to memory of 1312	620	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 620 wrote to memory of 1312	620	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 620 wrote to memory of 1312	620	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 620 wrote to memory of 1312	620	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 620 wrote to memory of 1312	620	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 620 wrote to memory of 1312	620	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 620 wrote to memory of 1312	620	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 620 wrote to memory of 1312	620	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 1312 wrote to memory of 552	1312	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	svchost.exe
PID 1312 wrote to memory of 552	1312	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	svchost.exe
PID 1312 wrote to memory of 552	1312	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	svchost.exe
PID 1312 wrote to memory of 552	1312	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	svchost.exe
PID 1312 wrote to memory of 552	1312	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	svchost.exe
PID 1312 wrote to memory of 1632	1312	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	calc.exe
PID 1312 wrote to memory of 1632	1312	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	calc.exe
PID 1312 wrote to memory of 1632	1312	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	calc.exe
PID 1312 wrote to memory of 1632	1312	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	calc.exe
PID 1312 wrote to memory of 1632	1312	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	calc.exe
PID 1312 wrote to memory of 1632	1312	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	calc.exe
PID 552 wrote to memory of 956	552	svchost.exe	mspaint.exe
PID 552 wrote to memory of 956	552	svchost.exe	mspaint.exe
PID 552 wrote to memory of 956	552	svchost.exe	mspaint.exe
PID 552 wrote to memory of 956	552	svchost.exe	mspaint.exe
PID 552 wrote to memory of 956	552	svchost.exe	mspaint.exe
PID 1312 wrote to memory of 1948	1312	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 1312 wrote to memory of 1948	1312	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 1312 wrote to memory of 1948	1312	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 1312 wrote to memory of 1948	1312	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 1312 wrote to memory of 1948	1312	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 1312 wrote to memory of 1948	1312	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 1312 wrote to memory of 1948	1312	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 1312 wrote to memory of 1948	1312	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 1312 wrote to memory of 1948	1312	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 1312 wrote to memory of 1948	1312	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 1948 wrote to memory of 552	1948	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	svchost.exe
PID 1948 wrote to memory of 552	1948	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	svchost.exe
PID 1948 wrote to memory of 1632	1948	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	calc.exe
PID 1948 wrote to memory of 1632	1948	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	calc.exe
PID 1948 wrote to memory of 956	1948	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	mspaint.exe
PID 1948 wrote to memory of 956	1948	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	mspaint.exe

C:\Users\Admin\AppData\Local\Temp\1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
"C:\Users\Admin\AppData\Local\Temp\1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:620

C:\Users\Admin\AppData\Local\Temp\1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
"C:\Users\Admin\AppData\Local\Temp\1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1312

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:552

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:956

C:\Windows\SysWOW64\calc.exe
"C:\Windows\SysWOW64\calc.exe"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1632

C:\Users\Admin\AppData\Local\Temp\1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
"C:\Users\Admin\AppData\Local\Temp\1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1948

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/552-112-0x0000000000150000-0x000000000019E000-memory.dmp

Filesize
312KB

Download
memory/552-93-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/552-341-0x0000000000150000-0x000000000019E000-memory.dmp

Filesize
312KB

Download
memory/552-124-0x0000000000150000-0x000000000019E000-memory.dmp

Filesize
312KB

Download
memory/552-115-0x0000000000150000-0x000000000019E000-memory.dmp

Filesize
312KB

Download
memory/552-110-0x0000000000150000-0x000000000019E000-memory.dmp

Filesize
312KB

Download
memory/552-70-0x0000000000000000-mapping.dmp

Download
memory/620-65-0x0000000000220000-0x0000000000234000-memory.dmp

Filesize
80KB

Download
memory/956-343-0x0000000000340000-0x000000000038E000-memory.dmp

Filesize
312KB

Download
memory/956-125-0x0000000000340000-0x000000000038E000-memory.dmp

Filesize
312KB

Download
memory/956-118-0x0000000000340000-0x000000000038E000-memory.dmp

Filesize
312KB

Download
memory/956-97-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/956-82-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/956-78-0x0000000000000000-mapping.dmp

Download
memory/956-80-0x0000000000581000-0x0000000000583000-memory.dmp

Filesize
8KB

Download
memory/956-81-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/956-84-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/956-83-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1312-62-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1312-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1312-60-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1312-59-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1312-91-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1312-55-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1312-67-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download
memory/1312-63-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1312-64-0x0000000000404BF0-mapping.dmp

Download
memory/1312-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1632-95-0x0000000000080000-0x0000000000082000-memory.dmp

Filesize
8KB

Download
memory/1632-117-0x00000000004B0000-0x00000000004FE000-memory.dmp

Filesize
312KB

Download
memory/1632-344-0x00000000004E8000-0x00000000004EA000-memory.dmp

Filesize
8KB

Download
memory/1632-342-0x00000000004B0000-0x00000000004FE000-memory.dmp

Filesize
312KB

Download
memory/1632-71-0x0000000000080000-0x0000000000082000-memory.dmp

Filesize
8KB

Download
memory/1632-123-0x00000000004B0000-0x00000000004FE000-memory.dmp

Filesize
312KB

Download
memory/1632-129-0x00000000004B0000-0x00000000004FE000-memory.dmp

Filesize
312KB

Download
memory/1632-73-0x0000000000000000-mapping.dmp

Download
memory/1948-121-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1948-90-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1948-88-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1948-99-0x0000000000410910-mapping.dmp

Download
memory/1948-98-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1948-94-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1948-86-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1948-103-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1948-85-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1948-102-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads