xmrig | 5ceca4728f509e3b8b58f71296472de6572c63db934b2e9c2530cae561ae608a

General

Target

sample.exe
Size

4.6MB
MD5

97a2004028b9687561993ed9cabc0ee4
SHA1

3d35d423479b1b8a755144c30a4b347d4f915175
SHA256

5ceca4728f509e3b8b58f71296472de6572c63db934b2e9c2530cae561ae608a
SHA512

e0c196fd1e70d01910ea2a944ad46d7aeb87a34efc305a904ec2dde2848ce76e744beb638611c45d292c2733b7a4bcf93e76297fda80ddd2b8c9e103c35c1de0

Score

10^/10

xmrig macro miner persistence

Malware Config

Signatures

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 4548 created 4364 4548 WerFault.exe tgzvuy.exe
xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig
Executes dropped EXE 3 IoCs

Processes:

._cache_sample.exeSynaptics.exetgzvuy.exe

pid process

3692 ._cache_sample.exe
736 Synaptics.exe
4364 tgzvuy.exe

description	pid	process	target process
PID 4548 created 4364	4548	WerFault.exe	tgzvuy.exe

Suspicious Office macro 1 IoCs

Office document equipped with macros.

macro

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\V53WnWoU.xlsm	office_macros

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

sample.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\International\Geo\Nation sample.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\International\Geo\Nation	sample.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

sample.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	sample.exe

Drops file in System32 directory 2 IoCs

Processes:

._cache_sample.exe

description	ioc	process
File created	C:\Windows\SysWOW64\tgzvuy.exe	._cache_sample.exe
File opened for modification	C:\Windows\SysWOW64\tgzvuy.exe	._cache_sample.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 64 IoCs

Processes:

._cache_sample.exetgzvuy.exe

pid	process
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
4364	tgzvuy.exe
4364	tgzvuy.exe
4364	tgzvuy.exe
4364	tgzvuy.exe
4364	tgzvuy.exe
4364	tgzvuy.exe
4364	tgzvuy.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
3692	._cache_sample.exe
4364	tgzvuy.exe
4364	tgzvuy.exe
4364	tgzvuy.exe
4364	tgzvuy.exe
4364	tgzvuy.exe
4364	tgzvuy.exe
3692	._cache_sample.exe
3692	._cache_sample.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

2384 4364 WerFault.exe tgzvuy.exe
4548 4364 WerFault.exe tgzvuy.exe

pid	pid_target	process	target process
2384	4364	WerFault.exe	tgzvuy.exe
4548	4364	WerFault.exe	tgzvuy.exe

Checks processor information in registry 2 TTPs 5 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

tgzvuy.exeEXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	tgzvuy.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	tgzvuy.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Modifies registry class 1 IoCs

Processes:

sample.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance sample.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4220 EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance	sample.exe

pid	process
4220	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

WerFault.exeWerFault.exe

pid	process
2384	WerFault.exe
2384	WerFault.exe
2384	WerFault.exe
2384	WerFault.exe
2384	WerFault.exe
2384	WerFault.exe
2384	WerFault.exe
2384	WerFault.exe
2384	WerFault.exe
2384	WerFault.exe
2384	WerFault.exe
2384	WerFault.exe
2384	WerFault.exe
2384	WerFault.exe
2384	WerFault.exe
4548	WerFault.exe
4548	WerFault.exe
4548	WerFault.exe
4548	WerFault.exe
4548	WerFault.exe
4548	WerFault.exe
4548	WerFault.exe
4548	WerFault.exe
4548	WerFault.exe
4548	WerFault.exe
4548	WerFault.exe
4548	WerFault.exe
4548	WerFault.exe
4548	WerFault.exe
4548	WerFault.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

._cache_sample.exeWerFault.exeWerFault.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3692	._cache_sample.exe
Token: SeRestorePrivilege	2384	WerFault.exe
Token: SeBackupPrivilege	2384	WerFault.exe
Token: SeDebugPrivilege	2384	WerFault.exe
Token: SeDebugPrivilege	4548	WerFault.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

4220 EXCEL.EXE
4220 EXCEL.EXE
4220 EXCEL.EXE
4220 EXCEL.EXE
4220 EXCEL.EXE

pid	process
4220	EXCEL.EXE
4220	EXCEL.EXE
4220	EXCEL.EXE
4220	EXCEL.EXE
4220	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

sample.exe._cache_sample.exe

description	pid	process	target process
PID 4648 wrote to memory of 3692	4648	sample.exe	._cache_sample.exe
PID 4648 wrote to memory of 3692	4648	sample.exe	._cache_sample.exe
PID 4648 wrote to memory of 3692	4648	sample.exe	._cache_sample.exe
PID 4648 wrote to memory of 736	4648	sample.exe	Synaptics.exe
PID 4648 wrote to memory of 736	4648	sample.exe	Synaptics.exe
PID 4648 wrote to memory of 736	4648	sample.exe	Synaptics.exe
PID 3692 wrote to memory of 4532	3692	._cache_sample.exe	cmd.exe
PID 3692 wrote to memory of 4532	3692	._cache_sample.exe	cmd.exe
PID 3692 wrote to memory of 4532	3692	._cache_sample.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\sample.exe
"C:\Users\Admin\AppData\Local\Temp\sample.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4648

C:\Users\Admin\AppData\Local\Temp\._cache_sample.exe
"C:\Users\Admin\AppData\Local\Temp\._cache_sample.exe"
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3692

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\_CACHE~1.EXE > nul
3⤵
PID:4532

C:\ProgramData\Synaptics\Synaptics.exe
"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
2⤵
- Executes dropped EXE
PID:736

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4220

C:\Windows\SysWOW64\tgzvuy.exe
C:\Windows\SysWOW64\tgzvuy.exe
1⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
PID:4364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4364 -s 1112
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4364 -s 1020
2⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4548

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

3

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\ProgramData\Synaptics\Synaptics.exe
MD5
e1230466283011778b5ddb2c622a9beb

SHA1
a6e476c1821d6ee42ead730843331e0661e3bad2

SHA256
bf3cccf8a6099b0f5788d11d7c26532e89d03eb22f019dff9f17803508e071f1

SHA512
23449bb0a1fc8d6fc1db86554b07771e95a816d6299fcffbb35dd229769d261f820d0fb27b5536235b1de7364cf4701de6245b9cc47ea53ef96c42aaa0724449

Download Submit
C:\ProgramData\Synaptics\Synaptics.exe
MD5
e1230466283011778b5ddb2c622a9beb

SHA1
a6e476c1821d6ee42ead730843331e0661e3bad2

SHA256
bf3cccf8a6099b0f5788d11d7c26532e89d03eb22f019dff9f17803508e071f1

SHA512
23449bb0a1fc8d6fc1db86554b07771e95a816d6299fcffbb35dd229769d261f820d0fb27b5536235b1de7364cf4701de6245b9cc47ea53ef96c42aaa0724449

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_sample.exe
MD5
0c77a192f14fbf587e4f7fbf7abe03f6

SHA1
21373d839c4392046254d9afee6bcd4bed344db6

SHA256
9a3802de337c11336c8b40a7cdbbe4668eec13d86f7db7c4a8e20bd20932496d

SHA512
abbf7585ae9c97b40200c777ca58b9df87d0591debdacebe56f9ccc49d1cf8a56644a9771b1e719eeab285456dbabeb8963df95ee25693860006b09e8cb89c20

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_sample.exe
MD5
0c77a192f14fbf587e4f7fbf7abe03f6

SHA1
21373d839c4392046254d9afee6bcd4bed344db6

SHA256
9a3802de337c11336c8b40a7cdbbe4668eec13d86f7db7c4a8e20bd20932496d

SHA512
abbf7585ae9c97b40200c777ca58b9df87d0591debdacebe56f9ccc49d1cf8a56644a9771b1e719eeab285456dbabeb8963df95ee25693860006b09e8cb89c20

Download Submit
C:\Users\Admin\AppData\Local\Temp\V53WnWoU.xlsm
MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

Download Submit
C:\Windows\SysWOW64\tgzvuy.exe
MD5
0c77a192f14fbf587e4f7fbf7abe03f6

SHA1
21373d839c4392046254d9afee6bcd4bed344db6

SHA256
9a3802de337c11336c8b40a7cdbbe4668eec13d86f7db7c4a8e20bd20932496d

SHA512
abbf7585ae9c97b40200c777ca58b9df87d0591debdacebe56f9ccc49d1cf8a56644a9771b1e719eeab285456dbabeb8963df95ee25693860006b09e8cb89c20

Download Submit
C:\Windows\SysWOW64\tgzvuy.exe
MD5
0c77a192f14fbf587e4f7fbf7abe03f6

SHA1
21373d839c4392046254d9afee6bcd4bed344db6

SHA256
9a3802de337c11336c8b40a7cdbbe4668eec13d86f7db7c4a8e20bd20932496d

SHA512
abbf7585ae9c97b40200c777ca58b9df87d0591debdacebe56f9ccc49d1cf8a56644a9771b1e719eeab285456dbabeb8963df95ee25693860006b09e8cb89c20

Download Submit
memory/736-123-0x0000000000540000-0x0000000000541000-memory.dmp

Filesize
4KB

Download
memory/736-118-0x0000000000000000-mapping.dmp

Download
memory/3692-115-0x0000000000000000-mapping.dmp

Download
memory/3692-124-0x0000000074390000-0x0000000074552000-memory.dmp

Filesize
1.8MB

Download
memory/3692-126-0x0000000074220000-0x000000007435C000-memory.dmp

Filesize
1.2MB

Download
memory/3692-128-0x00000000031E1000-0x00000000033A4000-memory.dmp

Filesize
1.8MB

Download
memory/3692-129-0x0000000002E7C000-0x000000000300B000-memory.dmp

Filesize
1.6MB

Download
memory/3692-130-0x0000000002B51000-0x0000000002C22000-memory.dmp

Filesize
836KB

Download
memory/3692-131-0x0000000002CDD000-0x0000000002E1A000-memory.dmp

Filesize
1.2MB

Download
memory/3692-122-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/3692-127-0x00000000767A0000-0x0000000076817000-memory.dmp

Filesize
476KB

Download
memory/4220-134-0x00007FFA38500000-0x00007FFA38510000-memory.dmp

Filesize
64KB

Download
memory/4220-121-0x00007FF683630000-0x00007FF686BE6000-memory.dmp

Filesize
53.7MB

Download
memory/4220-135-0x00007FFA38500000-0x00007FFA38510000-memory.dmp

Filesize
64KB

Download
memory/4220-133-0x00007FFA38500000-0x00007FFA38510000-memory.dmp

Filesize
64KB

Download
memory/4220-139-0x00007FFA59470000-0x00007FFA5A55E000-memory.dmp

Filesize
16.9MB

Download
memory/4220-138-0x00007FFA38500000-0x00007FFA38510000-memory.dmp

Filesize
64KB

Download
memory/4220-132-0x00007FFA38500000-0x00007FFA38510000-memory.dmp

Filesize
64KB

Download
memory/4220-140-0x0000016B5B560000-0x0000016B5D455000-memory.dmp

Filesize
31.0MB

Download
memory/4364-196-0x0000000001600000-0x00000000016D1000-memory.dmp

Filesize
836KB

Download
memory/4364-195-0x0000000001707000-0x0000000001896000-memory.dmp

Filesize
1.6MB

Download
memory/4364-194-0x0000000001A77000-0x0000000001C3A000-memory.dmp

Filesize
1.8MB

Download
memory/4364-197-0x0000000001C44000-0x0000000001D81000-memory.dmp

Filesize
1.2MB

Download
memory/4532-198-0x0000000000000000-mapping.dmp

Download
memory/4648-114-0x0000000000950000-0x00000000009FE000-memory.dmp

Filesize
696KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads