e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b

General

Target

e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
Size

217KB
MD5

4118211a4ac4103ea7351a0500a1a883
SHA1

820f3cd722b29adc81dcb95610c96961fc04acc2
SHA256

e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b
SHA512

8d5dfd08e9b0ab1e8a90eb8f9a67e21ca23d121061e9b1e0c16f2ac3c69a2f3374cacf0d200b1f9302c5cbfb83587a2eb17037771ee3effed9fc33c5a64ae1d1
SSDEEP

3072:F+AZfjOlbwZNBFx7yMvXj31IK3a6LUpPTIupkHKWDZf+/vhP7fd:F+WfjrFTvhIK3ahTIVqBF

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
behavioral2/memory/3328-134-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/3328-138-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/4928-140-0x0000000000B60000-0x0000000000B89000-memory.dmp	cryptone
behavioral2/memory/4928-141-0x0000000000B60000-0x0000000000B89000-memory.dmp	cryptone
behavioral2/memory/4928-142-0x0000000000B60000-0x0000000000B89000-memory.dmp	cryptone
behavioral2/memory/3328-147-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/4164-150-0x0000000000F80000-0x0000000000FA9000-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-1-5-21-2295526160-1155304984-640977766-1000\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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ebcvcz = "C:\\Users\\Admin\\AppData\\Roaming\\Identities\\Ebcvcz.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)	\??\E:	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)	\??\T:	svchost.exe
File opened (read-only)	\??\W:	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)	\??\J:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe
File opened (read-only)	\??\B:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exee9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe

description	pid	process	target process
PID 4432 set thread context of 3328	4432	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
PID 3328 set thread context of 212	3328	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exesvchost.exee9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe

pid	process
4432	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
4432	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
4432	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
4432	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
4164	svchost.exe
4164	svchost.exe
212	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
212	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
212	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe

pid process

3328 e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe

pid	process
3328	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exesvchost.execalc.exemspaint.exe

description	pid	process
Token: SeDebugPrivilege	212	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
Token: SeDebugPrivilege	4164	svchost.exe
Token: SeDebugPrivilege	2840	calc.exe
Token: SeDebugPrivilege	4928	mspaint.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exee9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exesvchost.exee9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe

description	pid	process	target process
PID 4432 wrote to memory of 3328	4432	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
PID 4432 wrote to memory of 3328	4432	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
PID 4432 wrote to memory of 3328	4432	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
PID 4432 wrote to memory of 3328	4432	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
PID 4432 wrote to memory of 3328	4432	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
PID 4432 wrote to memory of 3328	4432	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
PID 4432 wrote to memory of 3328	4432	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
PID 4432 wrote to memory of 3328	4432	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
PID 4432 wrote to memory of 3328	4432	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
PID 4432 wrote to memory of 3328	4432	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
PID 3328 wrote to memory of 4164	3328	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	svchost.exe
PID 3328 wrote to memory of 4164	3328	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	svchost.exe
PID 3328 wrote to memory of 4164	3328	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	svchost.exe
PID 3328 wrote to memory of 4164	3328	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	svchost.exe
PID 3328 wrote to memory of 2840	3328	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	calc.exe
PID 3328 wrote to memory of 2840	3328	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	calc.exe
PID 3328 wrote to memory of 2840	3328	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	calc.exe
PID 3328 wrote to memory of 2840	3328	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	calc.exe
PID 3328 wrote to memory of 2840	3328	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	calc.exe
PID 4164 wrote to memory of 4928	4164	svchost.exe	mspaint.exe
PID 4164 wrote to memory of 4928	4164	svchost.exe	mspaint.exe
PID 4164 wrote to memory of 4928	4164	svchost.exe	mspaint.exe
PID 4164 wrote to memory of 4928	4164	svchost.exe	mspaint.exe
PID 3328 wrote to memory of 212	3328	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
PID 3328 wrote to memory of 212	3328	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
PID 3328 wrote to memory of 212	3328	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
PID 3328 wrote to memory of 212	3328	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
PID 3328 wrote to memory of 212	3328	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
PID 3328 wrote to memory of 212	3328	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
PID 3328 wrote to memory of 212	3328	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
PID 3328 wrote to memory of 212	3328	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
PID 3328 wrote to memory of 212	3328	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
PID 212 wrote to memory of 4164	212	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	svchost.exe
PID 212 wrote to memory of 4164	212	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	svchost.exe
PID 212 wrote to memory of 2840	212	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	calc.exe
PID 212 wrote to memory of 2840	212	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	calc.exe
PID 212 wrote to memory of 4928	212	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	mspaint.exe
PID 212 wrote to memory of 4928	212	e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe	mspaint.exe

C:\Users\Admin\AppData\Local\Temp\e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
"C:\Users\Admin\AppData\Local\Temp\e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4432

C:\Users\Admin\AppData\Local\Temp\e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
"C:\Users\Admin\AppData\Local\Temp\e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3328

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:4164

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:4928

C:\Windows\SysWOW64\calc.exe
"C:\Windows\SysWOW64\calc.exe"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2840

C:\Users\Admin\AppData\Local\Temp\e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe
"C:\Users\Admin\AppData\Local\Temp\e9633fa43e97dd36ae7d4fdb84985aa5b3eb6e395381f33284bd6bab4ad2b98b.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:212

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/212-152-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/212-148-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/212-145-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/212-156-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/212-144-0x0000000000000000-mapping.dmp

Download
memory/212-149-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2840-137-0x0000000000000000-mapping.dmp

Download
memory/2840-158-0x0000000002130000-0x000000000217E000-memory.dmp

Filesize
312KB

Download
memory/2840-154-0x0000000002130000-0x000000000217E000-memory.dmp

Filesize
312KB

Download
memory/3328-134-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3328-147-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3328-138-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3328-133-0x0000000000000000-mapping.dmp

Download
memory/4164-153-0x0000000003050000-0x000000000309E000-memory.dmp

Filesize
312KB

Download
memory/4164-136-0x0000000000000000-mapping.dmp

Download
memory/4164-150-0x0000000000F80000-0x0000000000FA9000-memory.dmp

Filesize
164KB

Download
memory/4164-157-0x0000000003050000-0x000000000309E000-memory.dmp

Filesize
312KB

Download
memory/4432-132-0x00000000005D0000-0x00000000005E4000-memory.dmp

Filesize
80KB

Download
memory/4928-159-0x0000000002A60000-0x0000000002AAE000-memory.dmp

Filesize
312KB

Download
memory/4928-151-0x0000000000B60000-0x0000000000B89000-memory.dmp

Filesize
164KB

Download
memory/4928-143-0x0000000000B60000-0x0000000000B89000-memory.dmp

Filesize
164KB

Download
memory/4928-142-0x0000000000B60000-0x0000000000B89000-memory.dmp

Filesize
164KB

Download
memory/4928-155-0x0000000002A60000-0x0000000002AAE000-memory.dmp

Filesize
312KB

Download
memory/4928-141-0x0000000000B60000-0x0000000000B89000-memory.dmp

Filesize
164KB

Download
memory/4928-140-0x0000000000B60000-0x0000000000B89000-memory.dmp

Filesize
164KB

Download
memory/4928-139-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads