modiloader | b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d

General

Target

Quotation .exe
Size

888KB
MD5

cf659feea0c1c9e0a1705e076b831f48
SHA1

4e79ae9003d92a10d09fdb231512ca914c60a7c7
SHA256

b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d
SHA512

6ebf5d751d94772def751a6085e233e8cadb0c4c29193be247d0b11c977370ae82a2d5190bae463b0de60cbe8bf0c2c7a4b0dd84f9c2fd142e7ededc42afdfc4
SSDEEP

12288:oXxu5oy0XhL9ljnp9zIO6S33Ys1fCjPfeCMVAgfMCf3e9:ohAcXhL9lV9cHSY2ZCMVAgfM

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

ModiLoader Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1768-2-0x0000000002E70000-0x0000000003E70000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

Processes:

7146507.exe7146507.exe

pid process

2288 7146507.exe
2396 7146507.exe

pid	process
2288	7146507.exe
2396	7146507.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Quotation .exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\Hmbaewme = "C:\\Users\\Public\\Hmbaewme.url"	Quotation .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:

SndVol.exe

pid process

776 SndVol.exe

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

pid	process
776	SndVol.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

Quotation .exe

description	pid	process	target process
PID 1768 wrote to memory of 2360	1768	Quotation .exe	cmd.exe
PID 1768 wrote to memory of 2360	1768	Quotation .exe	cmd.exe
PID 1768 wrote to memory of 2360	1768	Quotation .exe	cmd.exe
PID 1768 wrote to memory of 2360	1768	Quotation .exe	cmd.exe
PID 1768 wrote to memory of 2548	1768	Quotation .exe	cmd.exe
PID 1768 wrote to memory of 2548	1768	Quotation .exe	cmd.exe
PID 1768 wrote to memory of 2548	1768	Quotation .exe	cmd.exe
PID 1768 wrote to memory of 2548	1768	Quotation .exe	cmd.exe
PID 1768 wrote to memory of 1148	1768	Quotation .exe	cmd.exe
PID 1768 wrote to memory of 1148	1768	Quotation .exe	cmd.exe
PID 1768 wrote to memory of 1148	1768	Quotation .exe	cmd.exe
PID 1768 wrote to memory of 1148	1768	Quotation .exe	cmd.exe
PID 1768 wrote to memory of 584	1768	Quotation .exe	extrac32.exe
PID 1768 wrote to memory of 584	1768	Quotation .exe	extrac32.exe
PID 1768 wrote to memory of 584	1768	Quotation .exe	extrac32.exe
PID 1768 wrote to memory of 584	1768	Quotation .exe	extrac32.exe
PID 1768 wrote to memory of 776	1768	Quotation .exe	SndVol.exe
PID 1768 wrote to memory of 776	1768	Quotation .exe	SndVol.exe
PID 1768 wrote to memory of 776	1768	Quotation .exe	SndVol.exe
PID 1768 wrote to memory of 776	1768	Quotation .exe	SndVol.exe
PID 1768 wrote to memory of 776	1768	Quotation .exe	SndVol.exe

C:\Users\Admin\AppData\Local\Temp\Quotation .exe
"C:\Users\Admin\AppData\Local\Temp\Quotation .exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1768

C:\Windows\SysWOW64\cmd.exe
cmd /c mkdir "\\?\C:\Windows "
2⤵
PID:2360

C:\Windows\SysWOW64\cmd.exe
cmd /c mkdir "\\?\C:\Windows \System32"
2⤵
PID:2548

C:\Windows\SysWOW64\cmd.exe
cmd /c "C:\Windows \System32\7146507.exe"
2⤵
PID:1148

C:\Windows \System32\7146507.exe
"C:\Windows \System32\7146507.exe"
3⤵
- Executes dropped EXE
PID:2288

C:\Windows \System32\7146507.exe
"C:\Windows \System32\7146507.exe"
3⤵
- Executes dropped EXE
PID:2396

C:\Windows\SysWOW64\extrac32.exe
C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\Quotation .exe C:\\Users\\Public\\Libraries\\Hmbaewme.PIF
2⤵
PID:584

C:\Windows\SysWOW64\SndVol.exe
C:\Windows\System32\SndVol.exe
2⤵
- Suspicious use of SetWindowsHookEx
PID:776

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

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Downloads

C:\ProgramData\remcos\logs.dat

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

Filesize
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar9E1A.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
C:\Windows \System32\7146507.exe

Filesize
128KB

MD5
231ce1e1d7d98b44371ffff407d68b59

SHA1
25510d0f6353dbf0c9f72fc880de7585e34b28ff

SHA256
30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

SHA512
520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

Download Submit
memory/776-86-0x0000000000A00000-0x0000000001A00000-memory.dmp

Filesize
16.0MB

Download
memory/776-90-0x0000000000A00000-0x0000000001A00000-memory.dmp

Filesize
16.0MB

Download
memory/776-114-0x0000000000A00000-0x0000000001A00000-memory.dmp

Filesize
16.0MB

Download
memory/776-113-0x0000000000A00000-0x0000000001A00000-memory.dmp

Filesize
16.0MB

Download
memory/776-106-0x0000000000A00000-0x0000000001A00000-memory.dmp

Filesize
16.0MB

Download
memory/776-82-0x0000000000A00000-0x0000000001A00000-memory.dmp

Filesize
16.0MB

Download
memory/776-84-0x0000000000A00000-0x0000000001A00000-memory.dmp

Filesize
16.0MB

Download
memory/776-85-0x0000000000A00000-0x0000000001A00000-memory.dmp

Filesize
16.0MB

Download
memory/776-105-0x0000000000A00000-0x0000000001A00000-memory.dmp

Filesize
16.0MB

Download
memory/776-87-0x0000000000A00000-0x0000000001A00000-memory.dmp

Filesize
16.0MB

Download
memory/776-88-0x0000000000A00000-0x0000000001A00000-memory.dmp

Filesize
16.0MB

Download
memory/776-98-0x0000000000A00000-0x0000000001A00000-memory.dmp

Filesize
16.0MB

Download
memory/776-91-0x0000000000A00000-0x0000000001A00000-memory.dmp

Filesize
16.0MB

Download
memory/776-92-0x0000000000A00000-0x0000000001A00000-memory.dmp

Filesize
16.0MB

Download
memory/776-95-0x0000000000A00000-0x0000000001A00000-memory.dmp

Filesize
16.0MB

Download
memory/776-97-0x0000000000A00000-0x0000000001A00000-memory.dmp

Filesize
16.0MB

Download
memory/1148-68-0x0000000002450000-0x0000000002451000-memory.dmp

Filesize
4KB

Download
memory/1768-5-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/1768-1-0x0000000002E70000-0x0000000003E70000-memory.dmp

Filesize
16.0MB

Download
memory/1768-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-2-0x0000000002E70000-0x0000000003E70000-memory.dmp

Filesize
16.0MB

Download
memory/1768-4-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads