remcos | c351dac370d0364b1ef303338408a568d877eef020539818f09214adb338bf5c

General

Target

Devis de commande urgent SDX88467638,pdf.exe
Size

838KB
MD5

3cbd690be25928be30b522ad04785ef5
SHA1

e2f8ab8ceaaa0bf2a65fd8291f1355a58ad66561
SHA256

2644d67e0fbbce929f70bdc4c07912617a2a65e611faeb72acd51a091e529a5e
SHA512

388334e5ddc09edaefffa1050c6c2e6a5bbc88c24d1973b0fbfbb69a8fcace4d985e8166bbebc5d767749fde55b8fd2251f9bd9f6499f8f984c14f1d59c9a9e7

Score

10^/10

remcos persistence rat

Malware Config

Extracted

Family

remcos

C2

ongod4life.ddns.net:4344

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Executes dropped EXE 1 IoCs

Processes:

Netplwiz.exe

pid process

3864 Netplwiz.exe
Loads dropped DLL 1 IoCs

Processes:

Netplwiz.exe

pid process

3864 Netplwiz.exe

pid	process
3864	Netplwiz.exe

pid	process
3864	Netplwiz.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Devis de commande urgent SDX88467638,pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Uatyvc = "C:\\Users\\Public\\Libraries\\cvytaU.url"	Devis de commande urgent SDX88467638,pdf.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:

Devis de commande urgent SDX88467638,pdf.exe

description	ioc	process
File opened (read-only)	\??\T:	Devis de commande urgent SDX88467638,pdf.exe
File opened (read-only)	\??\Y:	Devis de commande urgent SDX88467638,pdf.exe
File opened (read-only)	\??\A:	Devis de commande urgent SDX88467638,pdf.exe
File opened (read-only)	\??\K:	Devis de commande urgent SDX88467638,pdf.exe
File opened (read-only)	\??\M:	Devis de commande urgent SDX88467638,pdf.exe
File opened (read-only)	\??\O:	Devis de commande urgent SDX88467638,pdf.exe
File opened (read-only)	\??\P:	Devis de commande urgent SDX88467638,pdf.exe
File opened (read-only)	\??\S:	Devis de commande urgent SDX88467638,pdf.exe
File opened (read-only)	\??\U:	Devis de commande urgent SDX88467638,pdf.exe
File opened (read-only)	\??\W:	Devis de commande urgent SDX88467638,pdf.exe
File opened (read-only)	\??\G:	Devis de commande urgent SDX88467638,pdf.exe
File opened (read-only)	\??\J:	Devis de commande urgent SDX88467638,pdf.exe
File opened (read-only)	\??\N:	Devis de commande urgent SDX88467638,pdf.exe
File opened (read-only)	\??\Q:	Devis de commande urgent SDX88467638,pdf.exe
File opened (read-only)	\??\R:	Devis de commande urgent SDX88467638,pdf.exe
File opened (read-only)	\??\L:	Devis de commande urgent SDX88467638,pdf.exe
File opened (read-only)	\??\V:	Devis de commande urgent SDX88467638,pdf.exe
File opened (read-only)	\??\X:	Devis de commande urgent SDX88467638,pdf.exe
File opened (read-only)	\??\B:	Devis de commande urgent SDX88467638,pdf.exe
File opened (read-only)	\??\E:	Devis de commande urgent SDX88467638,pdf.exe
File opened (read-only)	\??\F:	Devis de commande urgent SDX88467638,pdf.exe
File opened (read-only)	\??\H:	Devis de commande urgent SDX88467638,pdf.exe
File opened (read-only)	\??\I:	Devis de commande urgent SDX88467638,pdf.exe
File opened (read-only)	\??\Z:	Devis de commande urgent SDX88467638,pdf.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid process

2292 powershell.exe
2292 powershell.exe
2292 powershell.exe

pid	process
2292	powershell.exe
2292	powershell.exe
2292	powershell.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

Processes:

powershell.exe

description	pid	process
Token: SeDebugPrivilege	2292	powershell.exe
Token: SeIncreaseQuotaPrivilege	2292	powershell.exe
Token: SeSecurityPrivilege	2292	powershell.exe
Token: SeTakeOwnershipPrivilege	2292	powershell.exe
Token: SeLoadDriverPrivilege	2292	powershell.exe
Token: SeSystemProfilePrivilege	2292	powershell.exe
Token: SeSystemtimePrivilege	2292	powershell.exe
Token: SeProfSingleProcessPrivilege	2292	powershell.exe
Token: SeIncBasePriorityPrivilege	2292	powershell.exe
Token: SeCreatePagefilePrivilege	2292	powershell.exe
Token: SeBackupPrivilege	2292	powershell.exe
Token: SeRestorePrivilege	2292	powershell.exe
Token: SeShutdownPrivilege	2292	powershell.exe
Token: SeDebugPrivilege	2292	powershell.exe
Token: SeSystemEnvironmentPrivilege	2292	powershell.exe
Token: SeRemoteShutdownPrivilege	2292	powershell.exe
Token: SeUndockPrivilege	2292	powershell.exe
Token: SeManageVolumePrivilege	2292	powershell.exe
Token: 33	2292	powershell.exe
Token: 34	2292	powershell.exe
Token: 35	2292	powershell.exe
Token: 36	2292	powershell.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

Devis de commande urgent SDX88467638,pdf.execmd.execmd.exeNetplwiz.execmd.exe

description	pid	process	target process
PID 796 wrote to memory of 740	796	Devis de commande urgent SDX88467638,pdf.exe	dialer.exe
PID 796 wrote to memory of 740	796	Devis de commande urgent SDX88467638,pdf.exe	dialer.exe
PID 796 wrote to memory of 740	796	Devis de commande urgent SDX88467638,pdf.exe	dialer.exe
PID 796 wrote to memory of 740	796	Devis de commande urgent SDX88467638,pdf.exe	dialer.exe
PID 796 wrote to memory of 740	796	Devis de commande urgent SDX88467638,pdf.exe	dialer.exe
PID 796 wrote to memory of 740	796	Devis de commande urgent SDX88467638,pdf.exe	dialer.exe
PID 796 wrote to memory of 740	796	Devis de commande urgent SDX88467638,pdf.exe	dialer.exe
PID 796 wrote to memory of 740	796	Devis de commande urgent SDX88467638,pdf.exe	dialer.exe
PID 796 wrote to memory of 740	796	Devis de commande urgent SDX88467638,pdf.exe	dialer.exe
PID 796 wrote to memory of 740	796	Devis de commande urgent SDX88467638,pdf.exe	dialer.exe
PID 796 wrote to memory of 740	796	Devis de commande urgent SDX88467638,pdf.exe	dialer.exe
PID 796 wrote to memory of 740	796	Devis de commande urgent SDX88467638,pdf.exe	dialer.exe
PID 796 wrote to memory of 740	796	Devis de commande urgent SDX88467638,pdf.exe	dialer.exe
PID 796 wrote to memory of 740	796	Devis de commande urgent SDX88467638,pdf.exe	dialer.exe
PID 796 wrote to memory of 740	796	Devis de commande urgent SDX88467638,pdf.exe	dialer.exe
PID 796 wrote to memory of 3460	796	Devis de commande urgent SDX88467638,pdf.exe	cmd.exe
PID 796 wrote to memory of 3460	796	Devis de commande urgent SDX88467638,pdf.exe	cmd.exe
PID 796 wrote to memory of 3460	796	Devis de commande urgent SDX88467638,pdf.exe	cmd.exe
PID 3460 wrote to memory of 3284	3460	cmd.exe	cmd.exe
PID 3460 wrote to memory of 3284	3460	cmd.exe	cmd.exe
PID 3460 wrote to memory of 3284	3460	cmd.exe	cmd.exe
PID 3284 wrote to memory of 3864	3284	cmd.exe	Netplwiz.exe
PID 3284 wrote to memory of 3864	3284	cmd.exe	Netplwiz.exe
PID 3864 wrote to memory of 3948	3864	Netplwiz.exe	cmd.exe
PID 3864 wrote to memory of 3948	3864	Netplwiz.exe	cmd.exe
PID 3948 wrote to memory of 2292	3948	cmd.exe	powershell.exe
PID 3948 wrote to memory of 2292	3948	cmd.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\Devis de commande urgent SDX88467638,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Devis de commande urgent SDX88467638,pdf.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious use of WriteProcessMemory
PID:796

C:\Windows\SysWOW64\dialer.exe
C:\Windows\System32\dialer.exe
2⤵
PID:740

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\stt.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:3460

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /K C:\Users\Public\PXOR.bat
3⤵
- Suspicious use of WriteProcessMemory
PID:3284

C:\Windows \System32\Netplwiz.exe
"C:\Windows \System32\Netplwiz.exe"
4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3864

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Public\Cdex.bat
5⤵
- Suspicious use of WriteProcessMemory
PID:3948

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -WindowStyle Hidden -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
6⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2292

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\Public\Cdex.bat
MD5
84de6cf0b720db43f85d95204a2c1902

SHA1
c87c4c1f3ad9f28968c46a89c4fff8bdb867b006

SHA256
bc4baad4a7983c54c1764b0aa57f12d536ce506253c82e06dd98e17bbb5f77ee

SHA512
5fd018b5f72797a64934f8f35d4510ef95c235442a807d476e7fd3c14eaa854c1a3092332edbdd1028f8954ab28acb5aab8720a74226cfcfab3cb3a7772a64b7

Download Submit
C:\Users\Public\NETUTILS.dll
MD5
39507d772c63ca496a25a14a8b5d14b2

SHA1
5b603f5c11eb9ab4313694315b4d4894ff4641d4

SHA256
36d1fa474cd8271f9b74b9481025614b6ff309f767f69d9f1ff3960c7205ad12

SHA512
0c740fd7b6d67d9938b0d8e1ea7d6c41910dd6d0b85b4ec8b6015ff8c0c73798dee01f01da0b5b0c07038663aca7945faca0e2b5afc1cb751aaba7567d332f5f

Download Submit
C:\Users\Public\Netplwiz.exe
MD5
f94b7fb6dac49844d03c7087b2d8b472

SHA1
0e84139fced0ee8ef929d0bd5f01559a7dcf1db0

SHA256
46e31f337ed0d9a6fe3f159abc91c9b9b6a6062982bbcd84a51784d7128e7ae4

SHA512
d63878f94f7699e4cc63c2cd885c29455e0c423d32dba750e4fc3aa74dbaca80a1a4b176719213b9fc6584de6a40cddff7864c7fb4cfba13dfcb437a36e41b80

Download Submit
C:\Users\Public\PXOR.bat
MD5
0d8aef656413642f55e0902cc5df5e6f

SHA1
73ec56d08bd9b3c45d55c97bd1c1286b77c8ff49

SHA256
670f94b92f45bc2f3f44a80c7f3021f874aa16fde38ed7d7f3ebed13ae09fa11

SHA512
efe690b1bcf06e16be469622b45c98b5dc1f1e06410cbf7e7dccb2975524c4d6bc7e23de9a129d50d73cd924f02e23f925555894f2c7da1064dcc57151f50876

Download Submit
C:\Users\Public\stt.bat
MD5
8a850253c31df9a7e1c00c80df2630d5

SHA1
e3da74081b027a3b591488b28da22742bcfe8495

SHA256
8fdeba3ec903bde700342083d16f72452366aa0b1b30d0e58dee0af74cebfa35

SHA512
30510bdc34680a0865a0811d9be29dec91c74717feccd58c9b4d88e77be9e5d13a539806a1b2901aff595b2fe2cc45926b69ed42e899d2dd2913c78a732e84d1

Download Submit
C:\Windows \System32\Netplwiz.exe
MD5
f94b7fb6dac49844d03c7087b2d8b472

SHA1
0e84139fced0ee8ef929d0bd5f01559a7dcf1db0

SHA256
46e31f337ed0d9a6fe3f159abc91c9b9b6a6062982bbcd84a51784d7128e7ae4

SHA512
d63878f94f7699e4cc63c2cd885c29455e0c423d32dba750e4fc3aa74dbaca80a1a4b176719213b9fc6584de6a40cddff7864c7fb4cfba13dfcb437a36e41b80

Download Submit
C:\Windows \System32\netutils.dll
MD5
39507d772c63ca496a25a14a8b5d14b2

SHA1
5b603f5c11eb9ab4313694315b4d4894ff4641d4

SHA256
36d1fa474cd8271f9b74b9481025614b6ff309f767f69d9f1ff3960c7205ad12

SHA512
0c740fd7b6d67d9938b0d8e1ea7d6c41910dd6d0b85b4ec8b6015ff8c0c73798dee01f01da0b5b0c07038663aca7945faca0e2b5afc1cb751aaba7567d332f5f

Download Submit
\Windows \System32\NETUTILS.dll
MD5
39507d772c63ca496a25a14a8b5d14b2

SHA1
5b603f5c11eb9ab4313694315b4d4894ff4641d4

SHA256
36d1fa474cd8271f9b74b9481025614b6ff309f767f69d9f1ff3960c7205ad12

SHA512
0c740fd7b6d67d9938b0d8e1ea7d6c41910dd6d0b85b4ec8b6015ff8c0c73798dee01f01da0b5b0c07038663aca7945faca0e2b5afc1cb751aaba7567d332f5f

Download Submit
memory/740-132-0x0000000010540000-0x0000000010564000-memory.dmp

Filesize
144KB

Download
memory/740-119-0x0000000000000000-mapping.dmp

Download
memory/740-129-0x0000000002D80000-0x0000000002D81000-memory.dmp

Filesize
4KB

Download
memory/740-133-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/740-128-0x0000000002CE0000-0x0000000002CE1000-memory.dmp

Filesize
4KB

Download
memory/740-131-0x0000000002D40000-0x0000000002D41000-memory.dmp

Filesize
4KB

Download
memory/796-114-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download
memory/796-116-0x0000000002410000-0x000000000242A000-memory.dmp

Filesize
104KB

Download
memory/2292-151-0x000002147BA56000-0x000002147BA58000-memory.dmp

Filesize
8KB

Download
memory/2292-138-0x0000000000000000-mapping.dmp

Download
memory/2292-143-0x000002147BA90000-0x000002147BA91000-memory.dmp

Filesize
4KB

Download
memory/2292-146-0x000002147C210000-0x000002147C211000-memory.dmp

Filesize
4KB

Download
memory/2292-149-0x000002147BA50000-0x000002147BA52000-memory.dmp

Filesize
8KB

Download
memory/2292-150-0x000002147BA53000-0x000002147BA55000-memory.dmp

Filesize
8KB

Download
memory/3284-122-0x0000000000000000-mapping.dmp

Download
memory/3460-120-0x0000000000000000-mapping.dmp

Download
memory/3864-126-0x0000000000000000-mapping.dmp

Download
memory/3948-136-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads