modiloader | 67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518

General

Target

67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe
Size

1.6MB
MD5

488f8d9de535475e4a901c033199ea0c
SHA1

3bda45e062fdc55823d9ceb71d0575df1e6ffd9e
SHA256

67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518
SHA512

58c0bb1af9b495f4c20a518d158f35a96d3f51dbb026b7fc40572a212dd7f05221f11efa995ef10199d32f970a308ea25407b77d307eeed06bd91b897ddbc4a4
SSDEEP

49152:ay6imwGhfj4GBT2z95Zw/L+gwnzBnwyuPTh:azimw4f8iSuD+g

Score

10^/10

modiloader remcos remotehost persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:47212

officerem.duckdns.org:47212

Attributes

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-I8N3XG
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 19 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2684-82-0x0000000015DE0000-0x0000000016DE0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2684-84-0x0000000015DE0000-0x0000000016DE0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2684-85-0x0000000015DE0000-0x0000000016DE0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2684-86-0x0000000015DE0000-0x0000000016DE0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2684-87-0x0000000015DE0000-0x0000000016DE0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2684-88-0x0000000015DE0000-0x0000000016DE0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2684-89-0x0000000015DE0000-0x0000000016DE0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2684-90-0x0000000015DE0000-0x0000000016DE0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2684-91-0x0000000015DE0000-0x0000000016DE0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2684-95-0x0000000015DE0000-0x0000000016DE0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2684-96-0x0000000015DE0000-0x0000000016DE0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2684-106-0x0000000015DE0000-0x0000000016DE0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2684-107-0x0000000015DE0000-0x0000000016DE0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2684-116-0x0000000015DE0000-0x0000000016DE0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2684-117-0x0000000015DE0000-0x0000000016DE0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2684-127-0x0000000015DE0000-0x0000000016DE0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2684-128-0x0000000015DE0000-0x0000000016DE0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2684-138-0x0000000015DE0000-0x0000000016DE0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2684-139-0x0000000015DE0000-0x0000000016DE0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

ModiLoader Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2684-2-0x0000000003360000-0x0000000004360000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

Processes:

6252680.exe6252680.exe

pid process

2908 6252680.exe
2680 6252680.exe

pid	process
2908	6252680.exe
2680	6252680.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\Uajcyryw = "C:\\Users\\Public\\Uajcyryw.url"	67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe

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

System Information Discovery
T1082
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 4 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe

pid process

2684 67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe

description	flow	ioc
HTTP User-Agent header	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
2684	67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe

description	pid	process	target process
PID 2684 wrote to memory of 2440	2684	67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe	cmd.exe
PID 2684 wrote to memory of 2440	2684	67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe	cmd.exe
PID 2684 wrote to memory of 2440	2684	67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe	cmd.exe
PID 2684 wrote to memory of 2440	2684	67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe	cmd.exe
PID 2684 wrote to memory of 2436	2684	67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe	cmd.exe
PID 2684 wrote to memory of 2436	2684	67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe	cmd.exe
PID 2684 wrote to memory of 2436	2684	67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe	cmd.exe
PID 2684 wrote to memory of 2436	2684	67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe	cmd.exe
PID 2684 wrote to memory of 2456	2684	67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe	cmd.exe
PID 2684 wrote to memory of 2456	2684	67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe	cmd.exe
PID 2684 wrote to memory of 2456	2684	67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe	cmd.exe
PID 2684 wrote to memory of 2456	2684	67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe	cmd.exe
PID 2684 wrote to memory of 1716	2684	67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe	extrac32.exe
PID 2684 wrote to memory of 1716	2684	67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe	extrac32.exe
PID 2684 wrote to memory of 1716	2684	67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe	extrac32.exe
PID 2684 wrote to memory of 1716	2684	67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe	extrac32.exe

C:\Users\Admin\AppData\Local\Temp\67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe
"C:\Users\Admin\AppData\Local\Temp\67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\SysWOW64\cmd.exe
  cmd /c mkdir "\\?\C:\Windows "
  2⤵
  PID:2440
- C:\Windows\SysWOW64\cmd.exe
  cmd /c mkdir "\\?\C:\Windows \System32"
  2⤵
  PID:2436
- C:\Windows\SysWOW64\cmd.exe
  cmd /c "C:\Windows \System32\6252680.exe"
  2⤵
  PID:2456
- - C:\Windows \System32\6252680.exe
    "C:\Windows \System32\6252680.exe"
    3⤵
    - Executes dropped EXE
    PID:2908
- - C:\Windows \System32\6252680.exe
    "C:\Windows \System32\6252680.exe"
    3⤵
    - Executes dropped EXE
    PID:2680
- C:\Windows\SysWOW64\extrac32.exe
  C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe C:\\Users\\Public\\Libraries\\Uajcyryw.PIF
  2⤵
  PID:1716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
778bfb8a98be449c9b8b5f38da47a7e8

SHA1
a0ffd6c714001a0d1c713cc6ba781eebf12b494c

SHA256
9680097cce4b7d464c7e966a753657e27eda0a963cf5158c8154a1b600e33086

SHA512
7bf92704f0bbe4aebcc4d0dfb1bd37f2d7d9a08027117a26c56d012a7615ae3f12635bead3a096e3fa6f8a9e707c1adbf09626feb049be634f4a2fea5cc7998f

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar5EBA.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
C:\Windows \System32\6252680.exe

Filesize
128KB

MD5
231ce1e1d7d98b44371ffff407d68b59

SHA1
25510d0f6353dbf0c9f72fc880de7585e34b28ff

SHA256
30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

SHA512
520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

Download Submit
memory/2456-66-0x0000000000730000-0x0000000000731000-memory.dmp

Filesize
4KB

Download
memory/2684-89-0x0000000015DE0000-0x0000000016DE0000-memory.dmp

Filesize
16.0MB

Download
memory/2684-91-0x0000000015DE0000-0x0000000016DE0000-memory.dmp

Filesize
16.0MB

Download
memory/2684-2-0x0000000003360000-0x0000000004360000-memory.dmp

Filesize
16.0MB

Download
memory/2684-82-0x0000000015DE0000-0x0000000016DE0000-memory.dmp

Filesize
16.0MB

Download
memory/2684-84-0x0000000015DE0000-0x0000000016DE0000-memory.dmp

Filesize
16.0MB

Download
memory/2684-85-0x0000000015DE0000-0x0000000016DE0000-memory.dmp

Filesize
16.0MB

Download
memory/2684-86-0x0000000015DE0000-0x0000000016DE0000-memory.dmp

Filesize
16.0MB

Download
memory/2684-87-0x0000000015DE0000-0x0000000016DE0000-memory.dmp

Filesize
16.0MB

Download
memory/2684-88-0x0000000015DE0000-0x0000000016DE0000-memory.dmp

Filesize
16.0MB

Download
memory/2684-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2684-90-0x0000000015DE0000-0x0000000016DE0000-memory.dmp

Filesize
16.0MB

Download
memory/2684-4-0x0000000000400000-0x00000000005AF000-memory.dmp

Filesize
1.7MB

Download
memory/2684-95-0x0000000015DE0000-0x0000000016DE0000-memory.dmp

Filesize
16.0MB

Download
memory/2684-96-0x0000000015DE0000-0x0000000016DE0000-memory.dmp

Filesize
16.0MB

Download
memory/2684-1-0x0000000003360000-0x0000000004360000-memory.dmp

Filesize
16.0MB

Download
memory/2684-106-0x0000000015DE0000-0x0000000016DE0000-memory.dmp

Filesize
16.0MB

Download
memory/2684-107-0x0000000015DE0000-0x0000000016DE0000-memory.dmp

Filesize
16.0MB

Download
memory/2684-116-0x0000000015DE0000-0x0000000016DE0000-memory.dmp

Filesize
16.0MB

Download
memory/2684-117-0x0000000015DE0000-0x0000000016DE0000-memory.dmp

Filesize
16.0MB

Download
memory/2684-127-0x0000000015DE0000-0x0000000016DE0000-memory.dmp

Filesize
16.0MB

Download
memory/2684-128-0x0000000015DE0000-0x0000000016DE0000-memory.dmp

Filesize
16.0MB

Download
memory/2684-138-0x0000000015DE0000-0x0000000016DE0000-memory.dmp

Filesize
16.0MB

Download
memory/2684-139-0x0000000015DE0000-0x0000000016DE0000-memory.dmp

Filesize
16.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads