Behavioral task
behavioral1
Sample
190b66d218ef0d0b69b6b27cf99a62fffe29139d6f00592bede76928c9f79102.exe
Resource
win7-20231215-en
General
-
Target
190b66d218ef0d0b69b6b27cf99a62fffe29139d6f00592bede76928c9f79102.exe
-
Size
481KB
-
MD5
3d6d3cd0ce562fd8bb4cf0f9559482d2
-
SHA1
2c83c7bbcb84e53f9ac3bcfa9ff22a6541da01c5
-
SHA256
89c4d8cfa063971ef2361378d6157025de121c625880a0055a40d21ddab56123
-
SHA512
2490691f8a573371811c1f21ce99d3902e1e6d7b9a94d79f04c28abccb27382435756cbc6efd5367d70905bf3392ebf5754328fdfa139d3af14cb3c2bb2885c0
-
SSDEEP
12288:jRXxReZj3WZfj/2eSseWFaIe2+f8CL47bs/ZOW:jx7cyF2eSsewS8W47eZH
Malware Config
Extracted
remcos
mexbar
mexbar.duckdns.org:3119
-
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-2N5UWM
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
-
Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM -
Remcos family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 190b66d218ef0d0b69b6b27cf99a62fffe29139d6f00592bede76928c9f79102.exe
Files
-
190b66d218ef0d0b69b6b27cf99a62fffe29139d6f00592bede76928c9f79102.exe.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 347KB - Virtual size: 346KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 94KB - Virtual size: 94KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 23KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 9B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.gfids Size: 1024B - Virtual size: 560B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 19KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 15KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ