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 8 IoCs

Detects CryptOne packer defined in NCC blogpost.

cryptone packer

Processes:

resource	yara_rule
behavioral2/memory/2664-134-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/2664-136-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/3668-139-0x0000000000650000-0x0000000000679000-memory.dmp	cryptone
behavioral2/memory/4032-141-0x0000000001010000-0x0000000001039000-memory.dmp	cryptone
behavioral2/memory/4032-142-0x0000000001010000-0x0000000001039000-memory.dmp	cryptone
behavioral2/memory/4032-143-0x0000000001010000-0x0000000001039000-memory.dmp	cryptone
behavioral2/memory/2664-148-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/3668-153-0x0000000000650000-0x0000000000679000-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-1-5-21-2386679933-1492765628-3466841596-1000\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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Oxzlzz = "C:\\Users\\Admin\\AppData\\Roaming\\Identities\\Oxzlzz.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)	\??\T:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\D:	mspaint.exe
File opened (read-only)	\??\E:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\B:	svchost.exe
File opened (read-only)	\??\F:	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe

description	pid	process	target process
PID 1120 set thread context of 2664	1120	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 2664 set thread context of 1824	2664	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exesvchost.exe1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe

pid	process
1120	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
1120	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
1120	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
1120	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
3668	svchost.exe
3668	svchost.exe
1824	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
1824	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
1824	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe

pid process

2664 1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe

pid	process
2664	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exesvchost.execalc.exemspaint.exe

description	pid	process
Token: SeDebugPrivilege	1824	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
Token: SeDebugPrivilege	3668	svchost.exe
Token: SeDebugPrivilege	3864	calc.exe
Token: SeDebugPrivilege	4032	mspaint.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exesvchost.exe1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe

description	pid	process	target process
PID 1120 wrote to memory of 2664	1120	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 1120 wrote to memory of 2664	1120	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 1120 wrote to memory of 2664	1120	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 1120 wrote to memory of 2664	1120	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 1120 wrote to memory of 2664	1120	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 1120 wrote to memory of 2664	1120	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 1120 wrote to memory of 2664	1120	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 1120 wrote to memory of 2664	1120	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 1120 wrote to memory of 2664	1120	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 1120 wrote to memory of 2664	1120	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 2664 wrote to memory of 3668	2664	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	svchost.exe
PID 2664 wrote to memory of 3668	2664	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	svchost.exe
PID 2664 wrote to memory of 3668	2664	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	svchost.exe
PID 2664 wrote to memory of 3668	2664	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	svchost.exe
PID 2664 wrote to memory of 3864	2664	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	calc.exe
PID 2664 wrote to memory of 3864	2664	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	calc.exe
PID 2664 wrote to memory of 3864	2664	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	calc.exe
PID 2664 wrote to memory of 3864	2664	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	calc.exe
PID 2664 wrote to memory of 3864	2664	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	calc.exe
PID 3668 wrote to memory of 4032	3668	svchost.exe	mspaint.exe
PID 3668 wrote to memory of 4032	3668	svchost.exe	mspaint.exe
PID 3668 wrote to memory of 4032	3668	svchost.exe	mspaint.exe
PID 3668 wrote to memory of 4032	3668	svchost.exe	mspaint.exe
PID 2664 wrote to memory of 1824	2664	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 2664 wrote to memory of 1824	2664	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 2664 wrote to memory of 1824	2664	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 2664 wrote to memory of 1824	2664	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 2664 wrote to memory of 1824	2664	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 2664 wrote to memory of 1824	2664	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 2664 wrote to memory of 1824	2664	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 2664 wrote to memory of 1824	2664	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 2664 wrote to memory of 1824	2664	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe
PID 1824 wrote to memory of 3668	1824	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	svchost.exe
PID 1824 wrote to memory of 3668	1824	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	svchost.exe
PID 1824 wrote to memory of 3864	1824	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	calc.exe
PID 1824 wrote to memory of 3864	1824	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	calc.exe
PID 1824 wrote to memory of 4032	1824	1a8889bc03b976919c35aeed15300c558198b4c95a5d6906ad8907cadd6621b7.exe	mspaint.exe
PID 1824 wrote to memory of 4032	1824	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:1120

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:2664

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:3668

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:4032

C:\Windows\SysWOW64\calc.exe
"C:\Windows\SysWOW64\calc.exe"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:3864

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:1824

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/1120-132-0x00000000001C0000-0x00000000001D4000-memory.dmp

Filesize
80KB

Download
memory/1824-152-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1824-150-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1824-149-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1824-145-0x0000000000000000-mapping.dmp

Download
memory/1824-146-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2664-136-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2664-133-0x0000000000000000-mapping.dmp

Download
memory/2664-148-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2664-134-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3668-153-0x0000000000650000-0x0000000000679000-memory.dmp

Filesize
164KB

Download
memory/3668-154-0x0000000000690000-0x00000000006DE000-memory.dmp

Filesize
312KB

Download
memory/3668-139-0x0000000000650000-0x0000000000679000-memory.dmp

Filesize
164KB

Download
memory/3668-137-0x0000000000000000-mapping.dmp

Download
memory/3864-155-0x00000000024F0000-0x000000000253E000-memory.dmp

Filesize
312KB

Download
memory/3864-138-0x0000000000000000-mapping.dmp

Download
memory/4032-156-0x0000000001050000-0x000000000109E000-memory.dmp

Filesize
312KB

Download
memory/4032-151-0x0000000001010000-0x0000000001039000-memory.dmp

Filesize
164KB

Download
memory/4032-143-0x0000000001010000-0x0000000001039000-memory.dmp

Filesize
164KB

Download
memory/4032-158-0x0000000001050000-0x000000000109E000-memory.dmp

Filesize
312KB

Download
memory/4032-142-0x0000000001010000-0x0000000001039000-memory.dmp

Filesize
164KB

Download
memory/4032-144-0x0000000001010000-0x0000000001039000-memory.dmp

Filesize
164KB

Download
memory/4032-141-0x0000000001010000-0x0000000001039000-memory.dmp

Filesize
164KB

Download
memory/4032-157-0x0000000001010000-0x0000000001039000-memory.dmp

Filesize
164KB

Download
memory/4032-140-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads