7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3

General

Target

7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
Size

285KB
MD5

534c42081d913b8dc6089ff5fb0b292f
SHA1

c1aea26901fd061fbacce7c3a7139a60262dc525
SHA256

7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3
SHA512

e16573604563a7014f989f8c1370b35de194088942433ef70f98b97e2729898cb1369e89aa141da8ba0db8a64f4dbe209cca7d39526898985ae9f0462a1906e9
SSDEEP

3072:Kf/IjyTXdvTNcj2ufIz85Fc3jumeeBv9lhZDhiK8GMxsn:KXRQqhwkShsvThiPq

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/4640-134-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/4640-136-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/4824-139-0x0000000001040000-0x0000000001069000-memory.dmp	cryptone
behavioral2/memory/860-141-0x0000000000970000-0x0000000000999000-memory.dmp	cryptone
behavioral2/memory/860-143-0x0000000000970000-0x0000000000999000-memory.dmp	cryptone
behavioral2/memory/860-142-0x0000000000970000-0x0000000000999000-memory.dmp	cryptone
behavioral2/memory/4640-150-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/4824-156-0x0000000001040000-0x0000000001069000-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-1-5-21-2891029575-1462575-1165213807-1000\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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tfrxrq = "C:\\Users\\Admin\\AppData\\Roaming\\Identities\\Tfrxrq.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)	\??\G:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\F:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\D:	mspaint.exe
File opened (read-only)	\??\Z:	svchost.exe
File opened (read-only)	\??\E:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe

description	pid	process	target process
PID 2868 set thread context of 4640	2868	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
PID 4640 set thread context of 4776	4640	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exesvchost.exe7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe

pid	process
2868	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
2868	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
2868	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
2868	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
4824	svchost.exe
4824	svchost.exe
4776	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
4776	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
4776	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe

pid process

4640 7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe

pid	process
4640	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exesvchost.execalc.exemspaint.exe

description	pid	process
Token: SeDebugPrivilege	4776	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
Token: SeDebugPrivilege	4824	svchost.exe
Token: SeDebugPrivilege	4880	calc.exe
Token: SeDebugPrivilege	860	mspaint.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exesvchost.exe7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe

description	pid	process	target process
PID 2868 wrote to memory of 4640	2868	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
PID 2868 wrote to memory of 4640	2868	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
PID 2868 wrote to memory of 4640	2868	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
PID 2868 wrote to memory of 4640	2868	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
PID 2868 wrote to memory of 4640	2868	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
PID 2868 wrote to memory of 4640	2868	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
PID 2868 wrote to memory of 4640	2868	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
PID 2868 wrote to memory of 4640	2868	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
PID 2868 wrote to memory of 4640	2868	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
PID 2868 wrote to memory of 4640	2868	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
PID 4640 wrote to memory of 4824	4640	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	svchost.exe
PID 4640 wrote to memory of 4824	4640	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	svchost.exe
PID 4640 wrote to memory of 4824	4640	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	svchost.exe
PID 4640 wrote to memory of 4824	4640	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	svchost.exe
PID 4640 wrote to memory of 4880	4640	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	calc.exe
PID 4640 wrote to memory of 4880	4640	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	calc.exe
PID 4640 wrote to memory of 4880	4640	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	calc.exe
PID 4640 wrote to memory of 4880	4640	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	calc.exe
PID 4640 wrote to memory of 4880	4640	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	calc.exe
PID 4824 wrote to memory of 860	4824	svchost.exe	mspaint.exe
PID 4824 wrote to memory of 860	4824	svchost.exe	mspaint.exe
PID 4824 wrote to memory of 860	4824	svchost.exe	mspaint.exe
PID 4824 wrote to memory of 860	4824	svchost.exe	mspaint.exe
PID 4640 wrote to memory of 4776	4640	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
PID 4640 wrote to memory of 4776	4640	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
PID 4640 wrote to memory of 4776	4640	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
PID 4640 wrote to memory of 4776	4640	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
PID 4640 wrote to memory of 4776	4640	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
PID 4640 wrote to memory of 4776	4640	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
PID 4640 wrote to memory of 4776	4640	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
PID 4640 wrote to memory of 4776	4640	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
PID 4640 wrote to memory of 4776	4640	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
PID 4776 wrote to memory of 4824	4776	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	svchost.exe
PID 4776 wrote to memory of 4824	4776	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	svchost.exe
PID 4776 wrote to memory of 4880	4776	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	calc.exe
PID 4776 wrote to memory of 4880	4776	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	calc.exe
PID 4776 wrote to memory of 860	4776	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	mspaint.exe
PID 4776 wrote to memory of 860	4776	7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe	mspaint.exe

C:\Users\Admin\AppData\Local\Temp\7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
"C:\Users\Admin\AppData\Local\Temp\7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2868

C:\Users\Admin\AppData\Local\Temp\7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
"C:\Users\Admin\AppData\Local\Temp\7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4640

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:4824

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:860

C:\Windows\SysWOW64\calc.exe
"C:\Windows\SysWOW64\calc.exe"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:4880

C:\Users\Admin\AppData\Local\Temp\7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe
"C:\Users\Admin\AppData\Local\Temp\7da242f8d9c5225489144a5af4a80f5960318c9faa14f203e7b4f2333a7a52e3.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4776

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/860-141-0x0000000000970000-0x0000000000999000-memory.dmp

Filesize
164KB

Download
memory/860-145-0x0000000000970000-0x0000000000999000-memory.dmp

Filesize
164KB

Download
memory/860-144-0x0000000000970000-0x0000000000999000-memory.dmp

Filesize
164KB

Download
memory/860-142-0x0000000000970000-0x0000000000999000-memory.dmp

Filesize
164KB

Download
memory/860-157-0x0000000002840000-0x000000000288E000-memory.dmp

Filesize
312KB

Download
memory/860-155-0x0000000002840000-0x000000000288E000-memory.dmp

Filesize
312KB

Download
memory/860-143-0x0000000000970000-0x0000000000999000-memory.dmp

Filesize
164KB

Download
memory/860-140-0x0000000000000000-mapping.dmp

Download
memory/2868-132-0x00000000026F0000-0x000000000270A000-memory.dmp

Filesize
104KB

Download
memory/4640-150-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4640-136-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4640-133-0x0000000000000000-mapping.dmp

Download
memory/4640-134-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4776-152-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4776-146-0x0000000000000000-mapping.dmp

Download
memory/4776-149-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4776-147-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4776-151-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4824-139-0x0000000001040000-0x0000000001069000-memory.dmp

Filesize
164KB

Download
memory/4824-153-0x0000000001080000-0x00000000010CE000-memory.dmp

Filesize
312KB

Download
memory/4824-156-0x0000000001040000-0x0000000001069000-memory.dmp

Filesize
164KB

Download
memory/4824-137-0x0000000000000000-mapping.dmp

Download
memory/4880-154-0x0000000002510000-0x000000000255E000-memory.dmp

Filesize
312KB

Download
memory/4880-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads