remcos | e2f632e9340f947772953c62fd2208e047574414f7a0eacccd4e309f7dbf0b8f

General

Target

PO202401801051.exe
Size

1.0MB
MD5

50e9548618ccce67deaf3f951ecef7da
SHA1

fa20bc02a463af399f303c6428613831d61c523f
SHA256

e2f632e9340f947772953c62fd2208e047574414f7a0eacccd4e309f7dbf0b8f
SHA512

441f61207114a9aaa2b0fede9b29904b49fe07b01b49a10e65a5c5dfdac74e4bb0d27372d21554d5910a21ed5e426a5ab427c43de863ace58a7762560509b420
SSDEEP

24576:KtJB0/+aczENCjmCooe9KhhdvYo771uMn4NwRH1k254cUP9n8Vc:K1gqEALje9KhPntHDRVpGcUFn+

Score

10^/10

remcos zgrat 24 persistence rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

24

C2

162.218.122.24:5707

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-A49MY7
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Detect ZGRat V1 34 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2916-3-0x0000000005620000-0x00000000056F8000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-15-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-27-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-37-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-39-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-41-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-47-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-57-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-67-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-65-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-63-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-61-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-59-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-55-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-53-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-51-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-49-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-45-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-43-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-35-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-33-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-31-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-29-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-25-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-23-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-21-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-19-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-17-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-13-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-11-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-9-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-7-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-5-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1
behavioral2/memory/2916-4-0x0000000005620000-0x00000000056F2000-memory.dmp	family_zgrat_v1

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral2/memory/4560-964-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/4560-973-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4560-964-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/2368-970-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/2368-971-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/4560-973-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

PO202401801051.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Korxcbivy = "C:\\Users\\Admin\\AppData\\Roaming\\Korxcbivy.exe"	PO202401801051.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

PO202401801051.exePO202401801051.exe

description	pid	process	target process
PID 2916 set thread context of 2856	2916	PO202401801051.exe	PO202401801051.exe
PID 2856 set thread context of 4560	2856	PO202401801051.exe	PO202401801051.exe
PID 2856 set thread context of 3864	2856	PO202401801051.exe	PO202401801051.exe
PID 2856 set thread context of 2368	2856	PO202401801051.exe	PO202401801051.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4028 3864 WerFault.exe PO202401801051.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

PO202401801051.exePO202401801051.exe

pid process

4560 PO202401801051.exe
4560 PO202401801051.exe
2368 PO202401801051.exe
2368 PO202401801051.exe
4560 PO202401801051.exe
4560 PO202401801051.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

PO202401801051.exe

pid process

2856 PO202401801051.exe
2856 PO202401801051.exe
2856 PO202401801051.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO202401801051.exePO202401801051.exe

description pid process

Token: SeDebugPrivilege 2916 PO202401801051.exe
Token: SeDebugPrivilege 2368 PO202401801051.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

PO202401801051.exe

pid process

3864 PO202401801051.exe

pid	pid_target	process	target process
4028	3864	WerFault.exe	PO202401801051.exe

pid	process
4560	PO202401801051.exe
4560	PO202401801051.exe
2368	PO202401801051.exe
2368	PO202401801051.exe
4560	PO202401801051.exe
4560	PO202401801051.exe

pid	process
2856	PO202401801051.exe
2856	PO202401801051.exe
2856	PO202401801051.exe

description	pid	process
Token: SeDebugPrivilege	2916	PO202401801051.exe
Token: SeDebugPrivilege	2368	PO202401801051.exe

pid	process
3864	PO202401801051.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

PO202401801051.exePO202401801051.exe

description	pid	process	target process
PID 2916 wrote to memory of 2856	2916	PO202401801051.exe	PO202401801051.exe
PID 2916 wrote to memory of 2856	2916	PO202401801051.exe	PO202401801051.exe
PID 2916 wrote to memory of 2856	2916	PO202401801051.exe	PO202401801051.exe
PID 2916 wrote to memory of 2856	2916	PO202401801051.exe	PO202401801051.exe
PID 2916 wrote to memory of 2856	2916	PO202401801051.exe	PO202401801051.exe
PID 2916 wrote to memory of 2856	2916	PO202401801051.exe	PO202401801051.exe
PID 2916 wrote to memory of 2856	2916	PO202401801051.exe	PO202401801051.exe
PID 2916 wrote to memory of 2856	2916	PO202401801051.exe	PO202401801051.exe
PID 2916 wrote to memory of 2856	2916	PO202401801051.exe	PO202401801051.exe
PID 2916 wrote to memory of 2856	2916	PO202401801051.exe	PO202401801051.exe
PID 2916 wrote to memory of 2856	2916	PO202401801051.exe	PO202401801051.exe
PID 2916 wrote to memory of 2856	2916	PO202401801051.exe	PO202401801051.exe
PID 2856 wrote to memory of 4560	2856	PO202401801051.exe	PO202401801051.exe
PID 2856 wrote to memory of 4560	2856	PO202401801051.exe	PO202401801051.exe
PID 2856 wrote to memory of 4560	2856	PO202401801051.exe	PO202401801051.exe
PID 2856 wrote to memory of 4560	2856	PO202401801051.exe	PO202401801051.exe
PID 2856 wrote to memory of 3864	2856	PO202401801051.exe	PO202401801051.exe
PID 2856 wrote to memory of 3864	2856	PO202401801051.exe	PO202401801051.exe
PID 2856 wrote to memory of 3864	2856	PO202401801051.exe	PO202401801051.exe
PID 2856 wrote to memory of 3864	2856	PO202401801051.exe	PO202401801051.exe
PID 2856 wrote to memory of 2368	2856	PO202401801051.exe	PO202401801051.exe
PID 2856 wrote to memory of 2368	2856	PO202401801051.exe	PO202401801051.exe
PID 2856 wrote to memory of 2368	2856	PO202401801051.exe	PO202401801051.exe
PID 2856 wrote to memory of 2368	2856	PO202401801051.exe	PO202401801051.exe

C:\Users\Admin\AppData\Local\Temp\PO202401801051.exe
"C:\Users\Admin\AppData\Local\Temp\PO202401801051.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2916

C:\Users\Admin\AppData\Local\Temp\PO202401801051.exe
C:\Users\Admin\AppData\Local\Temp\PO202401801051.exe
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2856

C:\Users\Admin\AppData\Local\Temp\PO202401801051.exe
C:\Users\Admin\AppData\Local\Temp\PO202401801051.exe /stext "C:\Users\Admin\AppData\Local\Temp\lvuvreggketflsh"
3⤵
- Suspicious use of UnmapMainImage
PID:3864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3864 -s 12
4⤵
- Program crash
PID:4028

C:\Users\Admin\AppData\Local\Temp\PO202401801051.exe
C:\Users\Admin\AppData\Local\Temp\PO202401801051.exe /stext "C:\Users\Admin\AppData\Local\Temp\vpzosxraymlkvyvzej"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2368

C:\Users\Admin\AppData\Local\Temp\PO202401801051.exe
C:\Users\Admin\AppData\Local\Temp\PO202401801051.exe /stext "C:\Users\Admin\AppData\Local\Temp\atgdqmweowbs"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:4560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3864 -ip 3864
1⤵
PID:1452

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\atgdqmweowbs
Filesize
4KB

MD5
9d1c4331e92ea47959e79f26ca09d973

SHA1
f8baa65953243feba3299fbaa7af110fbc7011b2

SHA256
ffddf68859952ecc2a486189ef0b15519f898d4d1ba04f6555264714b2d9108f

SHA512
76cc4cfa6a89d69035c0539294a5903f5b9b01314aaa2ffef7ccc6a5cdc163bf2336fa98e6f5406510b74c8da8bf5cbac5c55718df58f3b082b7fe8f8dda3daf

Download Submit
memory/2368-970-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2368-971-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2856-948-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2856-982-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2856-985-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2916-43-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-31-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-3-0x0000000005620000-0x00000000056F8000-memory.dmp

Filesize
864KB

Download
memory/2916-15-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-27-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-37-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-39-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-41-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-47-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-57-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-67-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-65-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-63-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-61-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-59-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-55-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-53-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-51-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-49-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-45-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-1-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/2916-35-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-33-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-2-0x0000000004C10000-0x0000000004C20000-memory.dmp

Filesize
64KB

Download
memory/2916-29-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-25-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-23-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-21-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-19-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-17-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-13-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-11-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-9-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-7-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-5-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-4-0x0000000005620000-0x00000000056F2000-memory.dmp

Filesize
840KB

Download
memory/2916-936-0x0000000005720000-0x0000000005721000-memory.dmp

Filesize
4KB

Download
memory/2916-938-0x00000000059B0000-0x00000000059FC000-memory.dmp

Filesize
304KB

Download
memory/2916-937-0x0000000005940000-0x00000000059B0000-memory.dmp

Filesize
448KB

Download
memory/2916-939-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/2916-940-0x0000000004C10000-0x0000000004C20000-memory.dmp

Filesize
64KB

Download
memory/2916-941-0x00000000061A0000-0x0000000006744000-memory.dmp

Filesize
5.6MB

Download
memory/2916-947-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/2916-0-0x00000000001E0000-0x00000000002EE000-memory.dmp

Filesize
1.1MB

Download
memory/4560-964-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4560-973-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads