remcos | 0ee20b2acfcb3b12b9bd00534417a056ceb6c4ec1f754ab4ad718b200db7d76f

General

Target

99a4821ee4a5cc3892355b8d1225ed7f.exe
Size

249KB
MD5

99a4821ee4a5cc3892355b8d1225ed7f
SHA1

0b3d4f0022c7979a5c7a3d73bdc5bd33e12cd209
SHA256

0ee20b2acfcb3b12b9bd00534417a056ceb6c4ec1f754ab4ad718b200db7d76f
SHA512

3962d9edd55fbfc07befac8104745d76c7156d2c73eecd4023761ee6610ac1a4424c8882f71e191d136267926bb4c6cce2ccd32c578739bb0916c95a8e4efd3c
SSDEEP

6144:9xRy5EPEahzwf0gYR5z7eLr4CU0/DN479Y69ZJaIdf2cBN:9xRQf0gipkr4C/Z4pY+aIdf2cBN

Score

10^/10

remcos minimalnew rat rezer0

Malware Config

Extracted

Family

remcos

Version

2.5.0 Pro

Botnet

MinimalNew

C2

u864246.nsupdate.info:2404

u864246.nerdpol.ovh:2404

u864246.tk:2404

rownip.mooo.com:2404

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
Fixed-S5LK5J
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
wikipedia;solitaire;

Signatures

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

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/2060-3-0x0000000000720000-0x000000000074E000-memory.dmp	rezer0

Suspicious use of SetThreadContext 1 IoCs

Processes:

99a4821ee4a5cc3892355b8d1225ed7f.exe

description pid process target process

PID 2060 set thread context of 2816 2060 99a4821ee4a5cc3892355b8d1225ed7f.exe 99a4821ee4a5cc3892355b8d1225ed7f.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2384 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

99a4821ee4a5cc3892355b8d1225ed7f.exe

pid process

2060 99a4821ee4a5cc3892355b8d1225ed7f.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

99a4821ee4a5cc3892355b8d1225ed7f.exe

description pid process

Token: SeDebugPrivilege 2060 99a4821ee4a5cc3892355b8d1225ed7f.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

99a4821ee4a5cc3892355b8d1225ed7f.exe

pid process

2816 99a4821ee4a5cc3892355b8d1225ed7f.exe

description	pid	process	target process
PID 2060 set thread context of 2816	2060	99a4821ee4a5cc3892355b8d1225ed7f.exe	99a4821ee4a5cc3892355b8d1225ed7f.exe

pid	process
2384	schtasks.exe

pid	process
2060	99a4821ee4a5cc3892355b8d1225ed7f.exe

description	pid	process
Token: SeDebugPrivilege	2060	99a4821ee4a5cc3892355b8d1225ed7f.exe

pid	process
2816	99a4821ee4a5cc3892355b8d1225ed7f.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

99a4821ee4a5cc3892355b8d1225ed7f.exe

C:\Users\Admin\AppData\Local\Temp\99a4821ee4a5cc3892355b8d1225ed7f.exe
"C:\Users\Admin\AppData\Local\Temp\99a4821ee4a5cc3892355b8d1225ed7f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2060

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XwjhDp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC9E.tmp"
2⤵
- Creates scheduled task(s)
PID:2384

C:\Users\Admin\AppData\Local\Temp\99a4821ee4a5cc3892355b8d1225ed7f.exe
"{path}"
2⤵
- Suspicious use of SetWindowsHookEx
PID:2816

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC9E.tmp
Filesize
1KB

MD5
7d5e9abbbde624ed12c364e24b235cdd

SHA1
70669a327bba21998df20d262c46117e539eac45

SHA256
c2682d86c1ea252f1d954d4bb5ed44aa09e52b1de2d94ecc62612ab197484a95

SHA512
df085b497f317e0f7357a10172148191cf694bdcc5f08ce6484f82ad3869d5b8a60a1bea25d6f95e0f1c839dd8f521afee51293e9f7e44140e742325661b25d9

Download Submit
memory/2060-0-0x0000000000A90000-0x0000000000AD4000-memory.dmp

Filesize
272KB

Download
memory/2060-1-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2060-2-0x0000000000290000-0x00000000002D0000-memory.dmp

Filesize
256KB

Download
memory/2060-3-0x0000000000720000-0x000000000074E000-memory.dmp

Filesize
184KB

Download
memory/2060-24-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2816-12-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2816-11-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2816-10-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2816-13-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2816-14-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2816-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2816-17-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2816-19-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2816-21-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2816-9-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2816-23-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2816-25-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2816-27-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

description	pid	process	target process
PID 2060 wrote to memory of 2384	2060	99a4821ee4a5cc3892355b8d1225ed7f.exe	schtasks.exe
PID 2060 wrote to memory of 2384	2060	99a4821ee4a5cc3892355b8d1225ed7f.exe	schtasks.exe
PID 2060 wrote to memory of 2384	2060	99a4821ee4a5cc3892355b8d1225ed7f.exe	schtasks.exe
PID 2060 wrote to memory of 2384	2060	99a4821ee4a5cc3892355b8d1225ed7f.exe	schtasks.exe
PID 2060 wrote to memory of 2816	2060	99a4821ee4a5cc3892355b8d1225ed7f.exe	99a4821ee4a5cc3892355b8d1225ed7f.exe
PID 2060 wrote to memory of 2816	2060	99a4821ee4a5cc3892355b8d1225ed7f.exe	99a4821ee4a5cc3892355b8d1225ed7f.exe
PID 2060 wrote to memory of 2816	2060	99a4821ee4a5cc3892355b8d1225ed7f.exe	99a4821ee4a5cc3892355b8d1225ed7f.exe
PID 2060 wrote to memory of 2816	2060	99a4821ee4a5cc3892355b8d1225ed7f.exe	99a4821ee4a5cc3892355b8d1225ed7f.exe
PID 2060 wrote to memory of 2816	2060	99a4821ee4a5cc3892355b8d1225ed7f.exe	99a4821ee4a5cc3892355b8d1225ed7f.exe
PID 2060 wrote to memory of 2816	2060	99a4821ee4a5cc3892355b8d1225ed7f.exe	99a4821ee4a5cc3892355b8d1225ed7f.exe
PID 2060 wrote to memory of 2816	2060	99a4821ee4a5cc3892355b8d1225ed7f.exe	99a4821ee4a5cc3892355b8d1225ed7f.exe
PID 2060 wrote to memory of 2816	2060	99a4821ee4a5cc3892355b8d1225ed7f.exe	99a4821ee4a5cc3892355b8d1225ed7f.exe
PID 2060 wrote to memory of 2816	2060	99a4821ee4a5cc3892355b8d1225ed7f.exe	99a4821ee4a5cc3892355b8d1225ed7f.exe
PID 2060 wrote to memory of 2816	2060	99a4821ee4a5cc3892355b8d1225ed7f.exe	99a4821ee4a5cc3892355b8d1225ed7f.exe
PID 2060 wrote to memory of 2816	2060	99a4821ee4a5cc3892355b8d1225ed7f.exe	99a4821ee4a5cc3892355b8d1225ed7f.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads