modiloader | 5813d9dc8983ee0cf64bbe25d9f723360531b9be4ece522114bdf6868d15058d

Analysis

max time kernel
158s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
05/11/2023, 02:44

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General

Target

39b4aba5e8641981ee7c36537c71403e038895c5699f172498fb99f51f994b85.exe
Size

2.3MB
MD5

9a392f1615ee57504b13326609b85798
SHA1

c7c949b3157bc1494edd91ebbaf36d663d06e27c
SHA256

39b4aba5e8641981ee7c36537c71403e038895c5699f172498fb99f51f994b85
SHA512

f148acb4efe969000c97a092b3788612685ff65d3d30c19e6d01e41c2e4a42e90994bcdbd05d0fc0a3d803c58e0d7f839caf9ee3f4b138f38f78ac92d17142f3
SSDEEP

24576:IZvkwR6rJQo6sObXVFvGkpyct5iWHANjQyedWlRfTDvxGl3/TVK/xEgGz20w69cH:IPrFvGkpy2glNjQyewXk/gCl9

Score

10^/10

modiloader remcos remotehost persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

127.0.0.1:49539

127.0.0.1:45944

94.156.66.37:45944

94.156.66.37:49539

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-PGGU3W
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

resource	yara_rule
behavioral2/memory/1428-2-0x0000000004140000-0x0000000005140000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
3552	easinvoker.exe
4340	bbbqvcgX.pif

Loads dropped DLL 1 IoCs

pid	Process
3552	easinvoker.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Xgcvqbbb = "C:\\Users\\Public\\Xgcvqbbb.url"	39b4aba5e8641981ee7c36537c71403e038895c5699f172498fb99f51f994b85.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1428 set thread context of 4340	1428	39b4aba5e8641981ee7c36537c71403e038895c5699f172498fb99f51f994b85.exe	117

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	xcopy.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	xcopy.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	xcopy.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
832	PING.EXE

Script User-Agent 2 IoCs

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

description	flow	ioc
HTTP User-Agent header	59	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	62	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1556	powershell.exe
1556	powershell.exe
1556	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4340	bbbqvcgX.pif

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1556	powershell.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 1428 wrote to memory of 1232	1428	39b4aba5e8641981ee7c36537c71403e038895c5699f172498fb99f51f994b85.exe	99
PID 1428 wrote to memory of 1232	1428	39b4aba5e8641981ee7c36537c71403e038895c5699f172498fb99f51f994b85.exe	99
PID 1428 wrote to memory of 1232	1428	39b4aba5e8641981ee7c36537c71403e038895c5699f172498fb99f51f994b85.exe	99
PID 1232 wrote to memory of 436	1232	cmd.exe	101
PID 1232 wrote to memory of 436	1232	cmd.exe	101
PID 1232 wrote to memory of 436	1232	cmd.exe	101
PID 1232 wrote to memory of 3500	1232	cmd.exe	102
PID 1232 wrote to memory of 3500	1232	cmd.exe	102
PID 1232 wrote to memory of 3500	1232	cmd.exe	102
PID 1232 wrote to memory of 4724	1232	cmd.exe	103
PID 1232 wrote to memory of 4724	1232	cmd.exe	103
PID 1232 wrote to memory of 4724	1232	cmd.exe	103
PID 1232 wrote to memory of 4332	1232	cmd.exe	104
PID 1232 wrote to memory of 4332	1232	cmd.exe	104
PID 1232 wrote to memory of 4332	1232	cmd.exe	104
PID 1232 wrote to memory of 3436	1232	cmd.exe	105
PID 1232 wrote to memory of 3436	1232	cmd.exe	105
PID 1232 wrote to memory of 3436	1232	cmd.exe	105
PID 1232 wrote to memory of 3516	1232	cmd.exe	106
PID 1232 wrote to memory of 3516	1232	cmd.exe	106
PID 1232 wrote to memory of 3516	1232	cmd.exe	106
PID 1232 wrote to memory of 2428	1232	cmd.exe	107
PID 1232 wrote to memory of 2428	1232	cmd.exe	107
PID 1232 wrote to memory of 2428	1232	cmd.exe	107
PID 1232 wrote to memory of 4904	1232	cmd.exe	108
PID 1232 wrote to memory of 4904	1232	cmd.exe	108
PID 1232 wrote to memory of 4904	1232	cmd.exe	108
PID 1232 wrote to memory of 3552	1232	cmd.exe	109
PID 1232 wrote to memory of 3552	1232	cmd.exe	109
PID 3552 wrote to memory of 3440	3552	easinvoker.exe	110
PID 3552 wrote to memory of 3440	3552	easinvoker.exe	110
PID 1232 wrote to memory of 832	1232	cmd.exe	112
PID 1232 wrote to memory of 832	1232	cmd.exe	112
PID 1232 wrote to memory of 832	1232	cmd.exe	112
PID 3440 wrote to memory of 4748	3440	cmd.exe	113
PID 3440 wrote to memory of 4748	3440	cmd.exe	113
PID 4748 wrote to memory of 1556	4748	cmd.exe	114
PID 4748 wrote to memory of 1556	4748	cmd.exe	114
PID 1428 wrote to memory of 4340	1428	39b4aba5e8641981ee7c36537c71403e038895c5699f172498fb99f51f994b85.exe	117
PID 1428 wrote to memory of 4340	1428	39b4aba5e8641981ee7c36537c71403e038895c5699f172498fb99f51f994b85.exe	117
PID 1428 wrote to memory of 4340	1428	39b4aba5e8641981ee7c36537c71403e038895c5699f172498fb99f51f994b85.exe	117
PID 1428 wrote to memory of 4340	1428	39b4aba5e8641981ee7c36537c71403e038895c5699f172498fb99f51f994b85.exe	117
PID 1428 wrote to memory of 4340	1428	39b4aba5e8641981ee7c36537c71403e038895c5699f172498fb99f51f994b85.exe	117

C:\Users\Admin\AppData\Local\Temp\39b4aba5e8641981ee7c36537c71403e038895c5699f172498fb99f51f994b85.exe
"C:\Users\Admin\AppData\Local\Temp\39b4aba5e8641981ee7c36537c71403e038895c5699f172498fb99f51f994b85.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1428
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\XgcvqbbbO.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1232
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c mkdir "\\?\C:\Windows "
    3⤵
    PID:436
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c mkdir "\\?\C:\Windows \System32"
    3⤵
    PID:3500
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ECHO F
    3⤵
    PID:4724
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:4332
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ECHO F
    3⤵
    PID:3436
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:3516
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ECHO F
    3⤵
    PID:2428
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:4904
- - C:\Windows \System32\easinvoker.exe
    "C:\Windows \System32\easinvoker.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:3552
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3440
    - - C:\Windows\system32\cmd.exe
        
        cmd.exe /c start /min powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4748
      - 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:1556
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 6
    3⤵
    - Runs ping.exe
    PID:832
- C:\Users\Public\Libraries\bbbqvcgX.pif
  C:\Users\Public\Libraries\bbbqvcgX.pif
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: GetForegroundWindowSpam
  PID:4340

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oingdhsg.k5q.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Public\Libraries\KDECO.bat

Filesize
152B

MD5
7e5fbd29557a68383dfb34e696964e93

SHA1
c1f748f89b47864301255d1fb2bfed04ed0d1300

SHA256
4e55b1bbe2e0e099592ac57a747fa8d4ef67409901d6c64323a1b73d50e5de67

SHA512
7dcb6582b03e7bf0cab2168dc775ca6d7a15ebb097fd2cdd3445b6d35ee128386fb9aa6a548b745c32540e358b2aa4d7c78a6f59f85c32065735fc54a6a2bb6a

Download Submit
C:\Users\Public\Libraries\XgcvqbbbO.bat

Filesize
466B

MD5
9e80036aabe3227dbf98b3975051a53b

SHA1
9670aab8897770a93293d85426b7b13dda23a152

SHA256
964aab3b72b3545fabc58a209714ebeade739a0fec40b33af675d7157b9cb252

SHA512
107fb6b364cf92730aca1a044f7769a1f4aed39a72f031a5004ccf09b3bebabac5fc88b3d0f85eb64c665404136db13678718bad36bea4311f07726684ed0a03

Download Submit
C:\Users\Public\Libraries\bbbqvcgX.pif

Filesize
66KB

MD5
c116d3604ceafe7057d77ff27552c215

SHA1
452b14432fb5758b46f2897aeccd89f7c82a727d

SHA256
7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

SHA512
9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

Download Submit
C:\Users\Public\Libraries\bbbqvcgX.pif

Filesize
66KB

MD5
c116d3604ceafe7057d77ff27552c215

SHA1
452b14432fb5758b46f2897aeccd89f7c82a727d

SHA256
7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

SHA512
9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

Download Submit
C:\Users\Public\Libraries\easinvoker.exe

Filesize
128KB

MD5
231ce1e1d7d98b44371ffff407d68b59

SHA1
25510d0f6353dbf0c9f72fc880de7585e34b28ff

SHA256
30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

SHA512
520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

Download Submit
C:\Users\Public\Libraries\netutils.dll

Filesize
109KB

MD5
4274cf3dd794271d3f35cbc414190c66

SHA1
377f2868da5df0f953dbe59cd98382b8b5247c64

SHA256
97283bd6fe37ee2f0143123cb2b5decf143a53f525b071719bc8a066b90ffccd

SHA512
5462acb80a4bb96e42a841cedb841acece39464f3897d17cfcda03e978001b5be65c4ff9607ba6e40a392d110cd79fc4383821d2485eb66535037ae467758ee4

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

Filesize
128KB

MD5
231ce1e1d7d98b44371ffff407d68b59

SHA1
25510d0f6353dbf0c9f72fc880de7585e34b28ff

SHA256
30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

SHA512
520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

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

Filesize
128KB

MD5
231ce1e1d7d98b44371ffff407d68b59

SHA1
25510d0f6353dbf0c9f72fc880de7585e34b28ff

SHA256
30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

SHA512
520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

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

Filesize
109KB

MD5
4274cf3dd794271d3f35cbc414190c66

SHA1
377f2868da5df0f953dbe59cd98382b8b5247c64

SHA256
97283bd6fe37ee2f0143123cb2b5decf143a53f525b071719bc8a066b90ffccd

SHA512
5462acb80a4bb96e42a841cedb841acece39464f3897d17cfcda03e978001b5be65c4ff9607ba6e40a392d110cd79fc4383821d2485eb66535037ae467758ee4

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

Filesize
109KB

MD5
4274cf3dd794271d3f35cbc414190c66

SHA1
377f2868da5df0f953dbe59cd98382b8b5247c64

SHA256
97283bd6fe37ee2f0143123cb2b5decf143a53f525b071719bc8a066b90ffccd

SHA512
5462acb80a4bb96e42a841cedb841acece39464f3897d17cfcda03e978001b5be65c4ff9607ba6e40a392d110cd79fc4383821d2485eb66535037ae467758ee4

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

Filesize
152B

MD5
7e5fbd29557a68383dfb34e696964e93

SHA1
c1f748f89b47864301255d1fb2bfed04ed0d1300

SHA256
4e55b1bbe2e0e099592ac57a747fa8d4ef67409901d6c64323a1b73d50e5de67

SHA512
7dcb6582b03e7bf0cab2168dc775ca6d7a15ebb097fd2cdd3445b6d35ee128386fb9aa6a548b745c32540e358b2aa4d7c78a6f59f85c32065735fc54a6a2bb6a

Download Submit
memory/1428-5-0x0000000000870000-0x0000000000871000-memory.dmp

Filesize
4KB

Download
memory/1428-0-0x0000000000870000-0x0000000000871000-memory.dmp

Filesize
4KB

Download
memory/1428-4-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/1428-2-0x0000000004140000-0x0000000005140000-memory.dmp

Filesize
16.0MB

Download
memory/1428-1-0x0000000004140000-0x0000000005140000-memory.dmp

Filesize
16.0MB

Download
memory/1556-48-0x00007FFBE5180000-0x00007FFBE5C41000-memory.dmp

Filesize
10.8MB

Download
memory/1556-45-0x0000025B30B60000-0x0000025B30B70000-memory.dmp

Filesize
64KB

Download
memory/1556-43-0x00007FFBE5180000-0x00007FFBE5C41000-memory.dmp

Filesize
10.8MB

Download
memory/1556-44-0x0000025B30B60000-0x0000025B30B70000-memory.dmp

Filesize
64KB

Download
memory/1556-33-0x0000025B30B30000-0x0000025B30B52000-memory.dmp

Filesize
136KB

Download
memory/3552-29-0x00000000613C0000-0x00000000613E2000-memory.dmp

Filesize
136KB

Download
memory/4340-63-0x00000000004F0000-0x0000000000572000-memory.dmp

Filesize
520KB

Download
memory/4340-66-0x00000000004F0000-0x0000000000572000-memory.dmp

Filesize
520KB

Download
memory/4340-59-0x00000000004F0000-0x0000000000572000-memory.dmp

Filesize
520KB

Download
memory/4340-58-0x00000000004F0000-0x0000000000572000-memory.dmp

Filesize
520KB

Download
memory/4340-60-0x00000000004F0000-0x0000000000572000-memory.dmp

Filesize
520KB

Download
memory/4340-57-0x00000000004F0000-0x0000000000572000-memory.dmp

Filesize
520KB

Download
memory/4340-61-0x00000000004F0000-0x0000000000572000-memory.dmp

Filesize
520KB

Download
memory/4340-51-0x0000000000590000-0x0000000001590000-memory.dmp

Filesize
16.0MB

Download
memory/4340-65-0x00000000004F0000-0x0000000000572000-memory.dmp

Filesize
520KB

Download
memory/4340-56-0x0000000000590000-0x0000000001590000-memory.dmp

Filesize
16.0MB

Download
memory/4340-68-0x00000000004F0000-0x0000000000572000-memory.dmp

Filesize
520KB

Download
memory/4340-69-0x00000000004F0000-0x0000000000572000-memory.dmp

Filesize
520KB

Download
memory/4340-70-0x00000000004F0000-0x0000000000572000-memory.dmp

Filesize
520KB

Download
memory/4340-72-0x00000000004F0000-0x0000000000572000-memory.dmp

Filesize
520KB

Download
memory/4340-74-0x00000000004F0000-0x0000000000572000-memory.dmp

Filesize
520KB

Download
memory/4340-76-0x00000000004F0000-0x0000000000572000-memory.dmp

Filesize
520KB

Download
memory/4340-77-0x00000000004F0000-0x0000000000572000-memory.dmp

Filesize
520KB

Download
memory/4340-78-0x00000000004F0000-0x0000000000572000-memory.dmp

Filesize
520KB

Download
memory/4340-80-0x00000000004F0000-0x0000000000572000-memory.dmp

Filesize
520KB

Download