d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642

General

Target

d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
Size

179KB
MD5

55f309fc11b602dd367d73c9d0144094
SHA1

fe7e90a105714abf4ba1a4a189748711c2bbc852
SHA256

d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642
SHA512

4f213acc70a68be49eb69d8e85c7654a05ec3f0b2230cf5b4cfa94ec2b7253f6765f14f8e92926f5167109eb56ce72438e075fffa10a8f1d3b9e0733b2f44490
SSDEEP

3072:qtLJogRsyi4A9790BFHBixbG0zfa6Ko9koszpBvLQpCQZ9t:qtLJsb990BFQi0zwoCpJQ7t

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/3628-133-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/3628-136-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/3288-140-0x00000000005A0000-0x00000000005C9000-memory.dmp	cryptone
behavioral2/memory/3288-141-0x00000000005A0000-0x00000000005C9000-memory.dmp	cryptone
behavioral2/memory/3288-143-0x00000000005A0000-0x00000000005C9000-memory.dmp	cryptone
behavioral2/memory/1460-142-0x0000000000E70000-0x0000000000E99000-memory.dmp	cryptone
behavioral2/memory/3628-148-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/1460-152-0x0000000000E70000-0x0000000000E99000-memory.dmp	cryptone

Executes dropped EXE 1 IoCs

Processes:

d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe

pid process

3840 d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe

pid	process
3840	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe

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\Zpjcjb = "C:\\Users\\Admin\\AppData\\Roaming\\Identities\\Zpjcjb.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)	\??\S:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe
File opened (read-only)	\??\D:	mspaint.exe
File opened (read-only)	\??\B:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\F:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\E:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exed33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe

description	pid	process	target process
PID 4796 set thread context of 3628	4796	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
PID 3628 set thread context of 3840	3628	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exesvchost.exed33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe

pid	process
4796	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
4796	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
4796	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
4796	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
1460	svchost.exe
1460	svchost.exe
3840	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
3840	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
3840	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe

pid process

3628 d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe

pid	process
3628	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exesvchost.execalc.exemspaint.exe

description	pid	process
Token: SeDebugPrivilege	3840	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
Token: SeDebugPrivilege	1460	svchost.exe
Token: SeDebugPrivilege	3424	calc.exe
Token: SeDebugPrivilege	3288	mspaint.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exed33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exesvchost.exed33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe

description	pid	process	target process
PID 4796 wrote to memory of 3628	4796	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
PID 4796 wrote to memory of 3628	4796	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
PID 4796 wrote to memory of 3628	4796	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
PID 4796 wrote to memory of 3628	4796	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
PID 4796 wrote to memory of 3628	4796	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
PID 4796 wrote to memory of 3628	4796	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
PID 4796 wrote to memory of 3628	4796	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
PID 4796 wrote to memory of 3628	4796	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
PID 4796 wrote to memory of 3628	4796	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
PID 4796 wrote to memory of 3628	4796	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
PID 3628 wrote to memory of 1460	3628	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	svchost.exe
PID 3628 wrote to memory of 1460	3628	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	svchost.exe
PID 3628 wrote to memory of 1460	3628	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	svchost.exe
PID 3628 wrote to memory of 1460	3628	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	svchost.exe
PID 3628 wrote to memory of 3424	3628	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	calc.exe
PID 3628 wrote to memory of 3424	3628	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	calc.exe
PID 3628 wrote to memory of 3424	3628	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	calc.exe
PID 3628 wrote to memory of 3424	3628	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	calc.exe
PID 3628 wrote to memory of 3424	3628	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	calc.exe
PID 1460 wrote to memory of 3288	1460	svchost.exe	mspaint.exe
PID 1460 wrote to memory of 3288	1460	svchost.exe	mspaint.exe
PID 1460 wrote to memory of 3288	1460	svchost.exe	mspaint.exe
PID 1460 wrote to memory of 3288	1460	svchost.exe	mspaint.exe
PID 3628 wrote to memory of 3840	3628	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
PID 3628 wrote to memory of 3840	3628	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
PID 3628 wrote to memory of 3840	3628	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
PID 3628 wrote to memory of 3840	3628	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
PID 3628 wrote to memory of 3840	3628	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
PID 3628 wrote to memory of 3840	3628	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
PID 3628 wrote to memory of 3840	3628	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
PID 3628 wrote to memory of 3840	3628	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
PID 3628 wrote to memory of 3840	3628	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
PID 3840 wrote to memory of 1460	3840	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	svchost.exe
PID 3840 wrote to memory of 1460	3840	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	svchost.exe
PID 3840 wrote to memory of 3424	3840	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	calc.exe
PID 3840 wrote to memory of 3424	3840	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	calc.exe
PID 3840 wrote to memory of 3288	3840	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	mspaint.exe
PID 3840 wrote to memory of 3288	3840	d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe	mspaint.exe

C:\Users\Admin\AppData\Local\Temp\d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
"C:\Users\Admin\AppData\Local\Temp\d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4796

C:\Users\Admin\AppData\Local\Temp\d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
"C:\Users\Admin\AppData\Local\Temp\d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3628

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:1460

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:3288

C:\Windows\SysWOW64\calc.exe
"C:\Windows\SysWOW64\calc.exe"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:3424

C:\Users\Admin\AppData\Local\Temp\d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe
"C:\Users\Admin\AppData\Local\Temp\d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3840

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

C:\Users\Admin\AppData\Local\Temp\d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642.exe.gonewiththewings
Filesize
179KB

MD5
55f309fc11b602dd367d73c9d0144094

SHA1
fe7e90a105714abf4ba1a4a189748711c2bbc852

SHA256
d33ba4f4be16187eb4f8986e736462ddce83a5a0826ce60ca0a37fe7d0a2f642

SHA512
4f213acc70a68be49eb69d8e85c7654a05ec3f0b2230cf5b4cfa94ec2b7253f6765f14f8e92926f5167109eb56ce72438e075fffa10a8f1d3b9e0733b2f44490

Download Submit
memory/1460-142-0x0000000000E70000-0x0000000000E99000-memory.dmp

Filesize
164KB

Download
memory/1460-158-0x0000000000EB0000-0x0000000000EFE000-memory.dmp

Filesize
312KB

Download
memory/1460-154-0x0000000000EB0000-0x0000000000EFE000-memory.dmp

Filesize
312KB

Download
memory/1460-152-0x0000000000E70000-0x0000000000E99000-memory.dmp

Filesize
164KB

Download
memory/1460-137-0x0000000000000000-mapping.dmp

Download
memory/3288-139-0x0000000000000000-mapping.dmp

Download
memory/3288-159-0x0000000000D80000-0x0000000000DCE000-memory.dmp

Filesize
312KB

Download
memory/3288-141-0x00000000005A0000-0x00000000005C9000-memory.dmp

Filesize
164KB

Download
memory/3288-143-0x00000000005A0000-0x00000000005C9000-memory.dmp

Filesize
164KB

Download
memory/3288-144-0x00000000005A0000-0x00000000005C9000-memory.dmp

Filesize
164KB

Download
memory/3288-153-0x00000000005A0000-0x00000000005C9000-memory.dmp

Filesize
164KB

Download
memory/3288-140-0x00000000005A0000-0x00000000005C9000-memory.dmp

Filesize
164KB

Download
memory/3288-155-0x0000000000D80000-0x0000000000DCE000-memory.dmp

Filesize
312KB

Download
memory/3424-138-0x0000000000000000-mapping.dmp

Download
memory/3424-160-0x0000000002D20000-0x0000000002D6E000-memory.dmp

Filesize
312KB

Download
memory/3424-156-0x0000000002D20000-0x0000000002D6E000-memory.dmp

Filesize
312KB

Download
memory/3628-148-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3628-133-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3628-136-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3628-132-0x0000000000000000-mapping.dmp

Download
memory/3840-145-0x0000000000000000-mapping.dmp

Download
memory/3840-157-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3840-151-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3840-150-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3840-146-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4796-134-0x0000000000540000-0x0000000000554000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads