remcos | 897e01eafce2598ea8af8d75f531b87118872fb82f101aa788fc987fdac0ff62

General

Target

Medpro Actualizado Proforma 5763,pdf.exe
Size

806KB
MD5

691e9ae6cc7a519b8aead522e32f36a8
SHA1

8590c404bc427f28952825ebc5848d6defb58114
SHA256

897e01eafce2598ea8af8d75f531b87118872fb82f101aa788fc987fdac0ff62
SHA512

af372e2096f0f07bf000c24a06ecf29f4aceffa901e1d113b93040889b24ef7370d28f375ba849b9d98f45457f15140fe3075fb1893210b73a2bd579d589b625

Score

10^/10

remcos celebration persistence rat

Malware Config

Extracted

Family

remcos

Version

3.2.1 Pro

Botnet

CELEBRATION

C2

ongod4ever.ddns.net:3030

Attributes

audio_folder
MicRecords
audio_path
%AppData%
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
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-FCUJUB
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5
take_screenshot_title
notepad;solitaire;

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Blocklisted process makes network request 61 IoCs

Processes:

mshta.exe

flow	pid	process
22	2608	mshta.exe
23	2608	mshta.exe
24	2608	mshta.exe
27	2608	mshta.exe
29	2608	mshta.exe
30	2608	mshta.exe
31	2608	mshta.exe
32	2608	mshta.exe
33	2608	mshta.exe
34	2608	mshta.exe
35	2608	mshta.exe
36	2608	mshta.exe
37	2608	mshta.exe
38	2608	mshta.exe
39	2608	mshta.exe
40	2608	mshta.exe
41	2608	mshta.exe
42	2608	mshta.exe
43	2608	mshta.exe
44	2608	mshta.exe
45	2608	mshta.exe
46	2608	mshta.exe
47	2608	mshta.exe
48	2608	mshta.exe
49	2608	mshta.exe
50	2608	mshta.exe
51	2608	mshta.exe
53	2608	mshta.exe
55	2608	mshta.exe
56	2608	mshta.exe
57	2608	mshta.exe
58	2608	mshta.exe
59	2608	mshta.exe
60	2608	mshta.exe
61	2608	mshta.exe
62	2608	mshta.exe
63	2608	mshta.exe
64	2608	mshta.exe
65	2608	mshta.exe
66	2608	mshta.exe
67	2608	mshta.exe
68	2608	mshta.exe
69	2608	mshta.exe
70	2608	mshta.exe
71	2608	mshta.exe
72	2608	mshta.exe
73	2608	mshta.exe
74	2608	mshta.exe
75	2608	mshta.exe
76	2608	mshta.exe
77	2608	mshta.exe
78	2608	mshta.exe
79	2608	mshta.exe
80	2608	mshta.exe
81	2608	mshta.exe
82	2608	mshta.exe
84	2608	mshta.exe
85	2608	mshta.exe
86	2608	mshta.exe
87	2608	mshta.exe
88	2608	mshta.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Medpro Actualizado Proforma 5763,pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Yipigiqb = "C:\\Users\\Public\\Libraries\\bqigipiY.url"	Medpro Actualizado Proforma 5763,pdf.exe

Modifies registry key 1 TTPs 3 IoCs

Modify Registry
T1112

Processes:

reg.exereg.exereg.exe

pid process

1788 reg.exe
1964 reg.exe
3568 reg.exe

pid	process
1788	reg.exe
1964	reg.exe
3568	reg.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

Medpro Actualizado Proforma 5763,pdf.execmd.execmd.execmd.exe

description	pid	process	target process
PID 808 wrote to memory of 2608	808	Medpro Actualizado Proforma 5763,pdf.exe	mshta.exe
PID 808 wrote to memory of 2608	808	Medpro Actualizado Proforma 5763,pdf.exe	mshta.exe
PID 808 wrote to memory of 2608	808	Medpro Actualizado Proforma 5763,pdf.exe	mshta.exe
PID 808 wrote to memory of 2608	808	Medpro Actualizado Proforma 5763,pdf.exe	mshta.exe
PID 808 wrote to memory of 2608	808	Medpro Actualizado Proforma 5763,pdf.exe	mshta.exe
PID 808 wrote to memory of 2608	808	Medpro Actualizado Proforma 5763,pdf.exe	mshta.exe
PID 808 wrote to memory of 2608	808	Medpro Actualizado Proforma 5763,pdf.exe	mshta.exe
PID 808 wrote to memory of 2608	808	Medpro Actualizado Proforma 5763,pdf.exe	mshta.exe
PID 808 wrote to memory of 2608	808	Medpro Actualizado Proforma 5763,pdf.exe	mshta.exe
PID 808 wrote to memory of 2608	808	Medpro Actualizado Proforma 5763,pdf.exe	mshta.exe
PID 808 wrote to memory of 2608	808	Medpro Actualizado Proforma 5763,pdf.exe	mshta.exe
PID 808 wrote to memory of 2608	808	Medpro Actualizado Proforma 5763,pdf.exe	mshta.exe
PID 808 wrote to memory of 2608	808	Medpro Actualizado Proforma 5763,pdf.exe	mshta.exe
PID 808 wrote to memory of 2608	808	Medpro Actualizado Proforma 5763,pdf.exe	mshta.exe
PID 808 wrote to memory of 2608	808	Medpro Actualizado Proforma 5763,pdf.exe	mshta.exe
PID 808 wrote to memory of 2724	808	Medpro Actualizado Proforma 5763,pdf.exe	cmd.exe
PID 808 wrote to memory of 2724	808	Medpro Actualizado Proforma 5763,pdf.exe	cmd.exe
PID 808 wrote to memory of 2724	808	Medpro Actualizado Proforma 5763,pdf.exe	cmd.exe
PID 2724 wrote to memory of 3924	2724	cmd.exe	cmd.exe
PID 2724 wrote to memory of 3924	2724	cmd.exe	cmd.exe
PID 2724 wrote to memory of 3924	2724	cmd.exe	cmd.exe
PID 3924 wrote to memory of 1788	3924	cmd.exe	reg.exe
PID 3924 wrote to memory of 1788	3924	cmd.exe	reg.exe
PID 3924 wrote to memory of 1788	3924	cmd.exe	reg.exe
PID 3924 wrote to memory of 1964	3924	cmd.exe	reg.exe
PID 3924 wrote to memory of 1964	3924	cmd.exe	reg.exe
PID 3924 wrote to memory of 1964	3924	cmd.exe	reg.exe
PID 3924 wrote to memory of 3292	3924	cmd.exe	schtasks.exe
PID 3924 wrote to memory of 3292	3924	cmd.exe	schtasks.exe
PID 3924 wrote to memory of 3292	3924	cmd.exe	schtasks.exe
PID 808 wrote to memory of 788	808	Medpro Actualizado Proforma 5763,pdf.exe	cmd.exe
PID 808 wrote to memory of 788	808	Medpro Actualizado Proforma 5763,pdf.exe	cmd.exe
PID 808 wrote to memory of 788	808	Medpro Actualizado Proforma 5763,pdf.exe	cmd.exe
PID 788 wrote to memory of 3568	788	cmd.exe	reg.exe
PID 788 wrote to memory of 3568	788	cmd.exe	reg.exe
PID 788 wrote to memory of 3568	788	cmd.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\Medpro Actualizado Proforma 5763,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Medpro Actualizado Proforma 5763,pdf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:808

C:\Windows\SysWOW64\mshta.exe
C:\Windows\System32\mshta.exe
2⤵
- Blocklisted process makes network request
PID:2608

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Trast.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:2724

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
3⤵
- Suspicious use of WriteProcessMemory
PID:3924

C:\Windows\SysWOW64\reg.exe
reg delete hkcu\Environment /v windir /f
4⤵
- Modifies registry key
PID:1788

C:\Windows\SysWOW64\reg.exe
reg add hkcu\Environment /v windir /d "cmd /c start /min C:\Users\Public\KDECO.bat reg delete hkcu\Environment /v windir /f && REM "
4⤵
- Modifies registry key
PID:1964

C:\Windows\SysWOW64\schtasks.exe
schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
4⤵
PID:3292

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\nest.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:788

C:\Windows\SysWOW64\reg.exe
reg delete hkcu\Environment /v windir /f
3⤵
- Modifies registry key
PID:3568

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

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Public\Trast.bat
MD5
4068c9f69fcd8a171c67f81d4a952a54

SHA1
4d2536a8c28cdcc17465e20d6693fb9e8e713b36

SHA256
24222300c78180b50ed1f8361ba63cb27316ec994c1c9079708a51b4a1a9d810

SHA512
a64f9319acc51fffd0491c74dcd9c9084c2783b82f95727e4bfe387a8528c6dcf68f11418e88f1e133d115daf907549c86dd7ad866b2a7938add5225fbb2811d

Download Submit
C:\Users\Public\UKO.bat
MD5
eaf8d967454c3bbddbf2e05a421411f8

SHA1
6170880409b24de75c2dc3d56a506fbff7f6622c

SHA256
f35f2658455a2e40f151549a7d6465a836c33fa9109e67623916f889849eac56

SHA512
fe5be5c673e99f70c93019d01abb0a29dd2ecf25b2d895190ff551f020c28e7d8f99f65007f440f0f76c5bcac343b2a179a94d190c938ea3b9e1197890a412e9

Download Submit
C:\Users\Public\nest.bat
MD5
8ada51400b7915de2124baaf75e3414c

SHA1
1a7b9db12184ab7fd7fce1c383f9670a00adb081

SHA256
45aa3957c29865260a78f03eef18ae9aebdbf7bea751ecc88be4a799f2bb46c7

SHA512
9afc138157a4565294ca49942579cdb6f5d8084e56f9354738de62b585f4c0fa3e7f2cbc9541827f2084e3ff36c46eed29b46f5dd2444062ffcd05c599992e68

Download Submit
memory/788-128-0x0000000000000000-mapping.dmp

Download
memory/808-114-0x00000000005C0000-0x000000000070A000-memory.dmp

Filesize
1.3MB

Download
memory/1788-120-0x0000000000000000-mapping.dmp

Download
memory/1964-121-0x0000000000000000-mapping.dmp

Download
memory/2608-115-0x0000000000000000-mapping.dmp

Download
memory/2608-124-0x0000000000550000-0x0000000000551000-memory.dmp

Filesize
4KB

Download
memory/2608-123-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2608-126-0x0000000010590000-0x000000001060C000-memory.dmp

Filesize
496KB

Download
memory/2608-125-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/2608-127-0x00000000005F0000-0x0000000000669000-memory.dmp

Filesize
484KB

Download
memory/2724-116-0x0000000000000000-mapping.dmp

Download
memory/3292-122-0x0000000000000000-mapping.dmp

Download
memory/3568-130-0x0000000000000000-mapping.dmp

Download
memory/3924-118-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads