03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
15-05-2024 07:42

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General

Target

rem.exe
Size

483KB
MD5

06f5b8dffc6c138828adbc7f29cfc7f0
SHA1

b59ef5d613a1e49c7034c3ee05780ce054ca0054
SHA256

03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7
SHA512

e706a0b3b1981cac8ddcf81482b306b4538fbfbf5c332f2b484f8c503b66d73cd09ffaab0515ecb2063d1e4a27dc30a662cc0be4f5287d2982cfbb47c7dad893
SSDEEP

6144:aXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZDAXYcNx5Gv:aX7tPMK8ctGe4Dzl4h2QnuPs/ZDIcv

Score

7^/10

persistence

Malware Config

Signatures

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:

rem.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation rem.exe
Executes dropped EXE 1 IoCs

Processes:

svcs.exe

pid process

4952 svcs.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	rem.exe

pid	process
4952	svcs.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

rem.exesvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-3XK1S0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\microsofts\\svcs.exe\""	rem.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-3XK1S0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\microsofts\\svcs.exe\""	rem.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-3XK1S0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\microsofts\\svcs.exe\""	svcs.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-3XK1S0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\microsofts\\svcs.exe\""	svcs.exe

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

System Information Discovery
T1082
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

svcs.exe

pid process

4952 svcs.exe

pid	process
4952	svcs.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rem.exe

description	pid	process	target process
PID 3596 wrote to memory of 4952	3596	rem.exe	svcs.exe
PID 3596 wrote to memory of 4952	3596	rem.exe	svcs.exe
PID 3596 wrote to memory of 4952	3596	rem.exe	svcs.exe

C:\Users\Admin\AppData\Local\Temp\rem.exe
"C:\Users\Admin\AppData\Local\Temp\rem.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3596

C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe
"C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
PID:4952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\logsa\logs.dat
Filesize
144B

MD5
1c02b8f011b4d573ec6d959b2aaa62b6

SHA1
3dfaaf28ab82e7b9262bc8ce2ca9e4063ddb702f

SHA256
0f4ab5d0d2fb3bb3ed33d75c9bd4f0e66d60f671df935fddc33e66f9b9e574e7

SHA512
57e70197d6b31469e6d0aaf00ebb71b365c62099c90d8c2fdfe8bfcfc2b9e017046b3a8037f04ce9d62ff28fee80e04514733ee7921d0a78dd05e1554b2f5d75

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C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe
Filesize
483KB

MD5
06f5b8dffc6c138828adbc7f29cfc7f0

SHA1
b59ef5d613a1e49c7034c3ee05780ce054ca0054

SHA256
03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7

SHA512
e706a0b3b1981cac8ddcf81482b306b4538fbfbf5c332f2b484f8c503b66d73cd09ffaab0515ecb2063d1e4a27dc30a662cc0be4f5287d2982cfbb47c7dad893

Download Submit