remcos | 294e5c76161635ca9f0f5ffe826a41df8b4633b5679823c2ce9eb3b1fe0641b1

General

Target

Techline Services Inc.exe
Size

234KB
MD5

e2ccfaf4d44c36b5654174b3f341a2f9
SHA1

163ad4b931cf150d72b4408322f710d59fff96de
SHA256

cc17e0a75ce1d2770db5ab70177b9ffa3665d7c46290a9c61deef05e41fb48f2
SHA512

8b291eea1e2458ac3c6c5a97ceeb7184a672496da75f758249e6ac7f0533612610f286bfd203ea667017b880ca79fa58c392b4e62bed8ada4c0b14831c392fe9
SSDEEP

3072:SBkfJpRXATwMdFCcv6k3bpcmH0IvkHEq8bvgjSZiU/2MeQMMoc4EDJgTR7T9AD1s:SqjIprpvLoa532Goc42JERY1U8acYt

Score

10^/10

remcos grace and mercy logs discovery rat

Malware Config

Extracted

Family

remcos

Version

2.7.2 Pro

Botnet

grace and mercy logs

C2

103.153.77.83:4348

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
Execel.exe
copy_folder
Execel
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
Execel
keylog_path
%AppData%
mouse_option
false
mutex
Execel-X7W93K
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Execel
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

Loads dropped DLL 2 IoCs

pid	Process
2280	Techline Services Inc.exe
2280	Techline Services Inc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2280 set thread context of 2848	2280	Techline Services Inc.exe	30

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Techline Services Inc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Techline Services Inc.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2280	Techline Services Inc.exe
2280	Techline Services Inc.exe
2280	Techline Services Inc.exe
2280	Techline Services Inc.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2280	Techline Services Inc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2848	Techline Services Inc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2848	2280	Techline Services Inc.exe	30
PID 2280 wrote to memory of 2848	2280	Techline Services Inc.exe	30
PID 2280 wrote to memory of 2848	2280	Techline Services Inc.exe	30
PID 2280 wrote to memory of 2848	2280	Techline Services Inc.exe	30
PID 2280 wrote to memory of 2848	2280	Techline Services Inc.exe	30

C:\Users\Admin\AppData\Local\Temp\Techline Services Inc.exe
"C:\Users\Admin\AppData\Local\Temp\Techline Services Inc.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Users\Admin\AppData\Local\Temp\Techline Services Inc.exe
  "C:\Users\Admin\AppData\Local\Temp\Techline Services Inc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\hjfeu2x8wxnb82.dll

Filesize
16KB

MD5
c5aeacd25be37723c7ffaab31ad6d639

SHA1
f5364bdbb0b85f15b61db6ddfea44d904481df46

SHA256
5b46289cb721008f2125b81abbe28be5ce09c9aafdbb19139b6f77ce921c0bc8

SHA512
3dc1b6d8b86674297d872efbbd9c3295a39d8ec9bf082982aea94de658d917e4b63ad762b8e1a738d29d06875625363fa02329a3cb5d48d9f40ba100145b98fe

Download Submit
C:\Users\Admin\AppData\Roaming\Execel\logs.dat

Filesize
74B

MD5
09b5a7a489f156a407908ad172d75bd0

SHA1
066a60b660329377a22811257eac375464627c3f

SHA256
6a3bf67f4b7c3273dd992f3802d0564b45512b57715d16defab825031fb966a8

SHA512
54619737bc57e780e5da516d6272e331e74a327f5f8a266f9225cbdba9d0f70c2f993fe48e25331e781db13f37e6d152ef0da71121ab5fdaa17a33ab75d9d29e

Download Submit
\Users\Admin\AppData\Local\Temp\nsd80D4.tmp\System.dll

Filesize
11KB

MD5
fccff8cb7a1067e23fd2e2b63971a8e1

SHA1
30e2a9e137c1223a78a0f7b0bf96a1c361976d91

SHA256
6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

SHA512
f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

Download Submit
memory/2280-14-0x00000000742B0000-0x00000000742B9000-memory.dmp

Filesize
36KB

Download
memory/2280-12-0x00000000742B0000-0x00000000742B9000-memory.dmp

Filesize
36KB

Download
memory/2848-24-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2848-17-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2848-18-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2848-21-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2848-23-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2848-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2848-28-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2848-16-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2848-32-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2848-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2848-40-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2848-46-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2848-50-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

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