modiloader | fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc

General

Target

fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc.exe
Size

888KB
MD5

8057cda45d9cee1d9fc11ece480f12c4
SHA1

a24b4b5370b0737dbc612c70e6afefbd01a4faaf
SHA256

fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc
SHA512

a616b6e8f0b7da96f8244a47aa71d1ce23e9547204c34728a90856a98dc83a7fbf5b7df988dc78cbd20a62315e7bd18edccc1808fa80503746d595a32df6784a
SSDEEP

12288:oXxu5oy0XhL9ljnp9zIO6S33Ys1fCjPfeCMVAgfMCfNe9:ohAcXhL9lV9cHSY2ZCMVAgfM

Score

10^/10

modiloader remcos remotehost persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

jaztc.duckdns.org:1808

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
sfsfdrgrre
mouse_option
false
mutex
Rmc-AJ5P19
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) 16 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2536-39-0x00000000005E0000-0x00000000015E0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2536-41-0x00000000005E0000-0x00000000015E0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2536-42-0x00000000005E0000-0x00000000015E0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2536-43-0x00000000005E0000-0x00000000015E0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2536-44-0x00000000005E0000-0x00000000015E0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2536-45-0x00000000005E0000-0x00000000015E0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2536-46-0x00000000005E0000-0x00000000015E0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2536-48-0x00000000005E0000-0x00000000015E0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2536-52-0x00000000005E0000-0x00000000015E0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2536-53-0x00000000005E0000-0x00000000015E0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2536-60-0x00000000005E0000-0x00000000015E0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2536-61-0x00000000005E0000-0x00000000015E0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2536-68-0x00000000005E0000-0x00000000015E0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2536-69-0x00000000005E0000-0x00000000015E0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2536-76-0x00000000005E0000-0x00000000015E0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2536-77-0x00000000005E0000-0x00000000015E0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

ModiLoader Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4848-2-0x0000000002A20000-0x0000000003A20000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

Processes:

203361.exe

pid process

4220 203361.exe
Loads dropped DLL 1 IoCs

Processes:

203361.exe

pid process

4220 203361.exe

pid	process
4220	203361.exe

pid	process
4220	203361.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Xmzzchkp = "C:\\Users\\Public\\Xmzzchkp.url"	fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc.exe

Script User-Agent 2 IoCs

Uses user-agent string associated with script host/environment.

Processes:

description	flow	ioc
HTTP User-Agent header	40	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	36	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid process

3444 powershell.exe
3444 powershell.exe
3444 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 3444 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

colorcpl.exe

pid process

2536 colorcpl.exe

pid	process
3444	powershell.exe
3444	powershell.exe
3444	powershell.exe

description	pid	process
Token: SeDebugPrivilege	3444	powershell.exe

pid	process
2536	colorcpl.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc.execmd.exe203361.execmd.execmd.exe

description	pid	process	target process
PID 4848 wrote to memory of 1312	4848	fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc.exe	cmd.exe
PID 4848 wrote to memory of 1312	4848	fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc.exe	cmd.exe
PID 4848 wrote to memory of 1312	4848	fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc.exe	cmd.exe
PID 4848 wrote to memory of 2600	4848	fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc.exe	cmd.exe
PID 4848 wrote to memory of 2600	4848	fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc.exe	cmd.exe
PID 4848 wrote to memory of 2600	4848	fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc.exe	cmd.exe
PID 4848 wrote to memory of 208	4848	fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc.exe	cmd.exe
PID 4848 wrote to memory of 208	4848	fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc.exe	cmd.exe
PID 4848 wrote to memory of 208	4848	fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc.exe	cmd.exe
PID 208 wrote to memory of 4220	208	cmd.exe	203361.exe
PID 208 wrote to memory of 4220	208	cmd.exe	203361.exe
PID 4220 wrote to memory of 2752	4220	203361.exe	cmd.exe
PID 4220 wrote to memory of 2752	4220	203361.exe	cmd.exe
PID 2752 wrote to memory of 4364	2752	cmd.exe	cmd.exe
PID 2752 wrote to memory of 4364	2752	cmd.exe	cmd.exe
PID 4364 wrote to memory of 3444	4364	cmd.exe	powershell.exe
PID 4364 wrote to memory of 3444	4364	cmd.exe	powershell.exe
PID 4848 wrote to memory of 1932	4848	fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc.exe	extrac32.exe
PID 4848 wrote to memory of 1932	4848	fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc.exe	extrac32.exe
PID 4848 wrote to memory of 1932	4848	fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc.exe	extrac32.exe
PID 4848 wrote to memory of 2536	4848	fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc.exe	colorcpl.exe
PID 4848 wrote to memory of 2536	4848	fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc.exe	colorcpl.exe
PID 4848 wrote to memory of 2536	4848	fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc.exe	colorcpl.exe
PID 4848 wrote to memory of 2536	4848	fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc.exe	colorcpl.exe

C:\Users\Admin\AppData\Local\Temp\fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc.exe
"C:\Users\Admin\AppData\Local\Temp\fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4848

C:\Windows\SysWOW64\cmd.exe
cmd /c mkdir "\\?\C:\Windows "
2⤵
PID:1312

C:\Windows\SysWOW64\cmd.exe
cmd /c mkdir "\\?\C:\Windows \System32"
2⤵
PID:2600

C:\Windows\SysWOW64\cmd.exe
cmd /c "C:\Windows \System32\203361.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:208

C:\Windows \System32\203361.exe
"C:\Windows \System32\203361.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4220

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
4⤵
- Suspicious use of WriteProcessMemory
PID:2752

C:\Windows\system32\cmd.exe
cmd /c powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
5⤵
- Suspicious use of WriteProcessMemory
PID:4364

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
6⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3444

C:\Windows\SysWOW64\extrac32.exe
C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc.exe C:\\Users\\Public\\Libraries\\Xmzzchkp.PIF
2⤵
PID:1932

C:\Windows\SysWOW64\colorcpl.exe
C:\Windows\System32\colorcpl.exe
2⤵
- Suspicious use of SetWindowsHookEx
PID:2536

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\sfsfdrgrre\logs.dat

Filesize
144B

MD5
4e916a8bdb8048a203a511ee6a1bb2d0

SHA1
d8441ac4f42953e2766f6c09649b654b59476aae

SHA256
1370a123edeb71d3b3c898807fbc28b3674662f1cb8c35951d58442585667910

SHA512
d77fee4713160b5ccbb07343e33b0b312c112b6352862e83f1225962084f144e8da3bedae7ef75c8b5ae6974a9ca76bf5c7a0ae5b24f4d9013b4bd9087cf3acd

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wbsyad3f.1nj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows \System32\203361.exe

Filesize
128KB

MD5
231ce1e1d7d98b44371ffff407d68b59

SHA1
25510d0f6353dbf0c9f72fc880de7585e34b28ff

SHA256
30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

SHA512
520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

Download Submit
C:\Windows \System32\netutils.dll

Filesize
112KB

MD5
fa7aa88417d0c48807144a1a48fe3fbc

SHA1
6f5ec990b12d4a6075050a94e0d68d03781fa46d

SHA256
2019dcd18ba7d5554a4a9da882740aa883941670af3de9396960081a0f8aa098

SHA512
99b2eb6f8e7d00a3803cba229149e5e0cb67a3deb607782c55fbacd25d9c074cce83759de15490eff939d5ad98f26cdbd44395cc79ffe22753e16c3d9e3b5fff

Download Submit
C:\windows \system32\KDECO.bat

Filesize
11KB

MD5
c545650595b479c81ad6b9d8882aae39

SHA1
7a98aa2e6eee23b3c1bba876955d525bc618b3f0

SHA256
a3a80983cb33159f0455fa0135789402558baa1460db94d0071318512b8cb5f9

SHA512
85ac596a7da9072a28c4178e4fdedc98f1b49c8e3fe5612cfe464833297b13f65d2dc59b52d7fc9970cff8f98d954111229aec0ed9dded454e03b0cf4ebb6ff3

Download Submit
memory/2536-39-0x00000000005E0000-0x00000000015E0000-memory.dmp

Filesize
16.0MB

Download
memory/2536-60-0x00000000005E0000-0x00000000015E0000-memory.dmp

Filesize
16.0MB

Download
memory/2536-77-0x00000000005E0000-0x00000000015E0000-memory.dmp

Filesize
16.0MB

Download
memory/2536-76-0x00000000005E0000-0x00000000015E0000-memory.dmp

Filesize
16.0MB

Download
memory/2536-69-0x00000000005E0000-0x00000000015E0000-memory.dmp

Filesize
16.0MB

Download
memory/2536-68-0x00000000005E0000-0x00000000015E0000-memory.dmp

Filesize
16.0MB

Download
memory/2536-61-0x00000000005E0000-0x00000000015E0000-memory.dmp

Filesize
16.0MB

Download
memory/2536-48-0x00000000005E0000-0x00000000015E0000-memory.dmp

Filesize
16.0MB

Download
memory/2536-53-0x00000000005E0000-0x00000000015E0000-memory.dmp

Filesize
16.0MB

Download
memory/2536-52-0x00000000005E0000-0x00000000015E0000-memory.dmp

Filesize
16.0MB

Download
memory/2536-41-0x00000000005E0000-0x00000000015E0000-memory.dmp

Filesize
16.0MB

Download
memory/2536-42-0x00000000005E0000-0x00000000015E0000-memory.dmp

Filesize
16.0MB

Download
memory/2536-43-0x00000000005E0000-0x00000000015E0000-memory.dmp

Filesize
16.0MB

Download
memory/2536-44-0x00000000005E0000-0x00000000015E0000-memory.dmp

Filesize
16.0MB

Download
memory/2536-45-0x00000000005E0000-0x00000000015E0000-memory.dmp

Filesize
16.0MB

Download
memory/2536-46-0x00000000005E0000-0x00000000015E0000-memory.dmp

Filesize
16.0MB

Download
memory/3444-29-0x000001D7DC720000-0x000001D7DC730000-memory.dmp

Filesize
64KB

Download
memory/3444-32-0x00007FFF3F600000-0x00007FFF400C1000-memory.dmp

Filesize
10.8MB

Download
memory/3444-28-0x000001D7DC720000-0x000001D7DC730000-memory.dmp

Filesize
64KB

Download
memory/3444-27-0x00007FFF3F600000-0x00007FFF400C1000-memory.dmp

Filesize
10.8MB

Download
memory/3444-26-0x000001D7DC730000-0x000001D7DC752000-memory.dmp

Filesize
136KB

Download
memory/4220-15-0x00000000613C0000-0x00000000613E3000-memory.dmp

Filesize
140KB

Download
memory/4848-0-0x00000000009E0000-0x00000000009E1000-memory.dmp

Filesize
4KB

Download
memory/4848-1-0x0000000002A20000-0x0000000003A20000-memory.dmp

Filesize
16.0MB

Download
memory/4848-2-0x0000000002A20000-0x0000000003A20000-memory.dmp

Filesize
16.0MB

Download
memory/4848-4-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads