modiloader | 1ab12c9f3022b8bfd675d526bfec3b2f4077316bb712027174ceb5ca22e7aece

General

Target

NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe
Size

90KB
MD5

dc68403f79dcc10185e91b1bc9fe23a0
SHA1

f94e83596dc678b7f16a8c8f05d173493cafd502
SHA256

1ab12c9f3022b8bfd675d526bfec3b2f4077316bb712027174ceb5ca22e7aece
SHA512

a6e2bf1dff57c5105de9010d75da20b7a8a56c54b6260cdfa807767b786728367aa7eaaae4439ed7abeee2c2bbb558b2cfe693dead0b055ba12e817a22613778
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

Score

10^/10

modiloader persistence trojan upx

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

ModiLoader Second Stage 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4292-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4292-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4292-62-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\Control Panel\International\Geo\Nation	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe

Executes dropped EXE 3 IoCs

Processes:

csrsll.execsrsll.execsrsll.exe

pid process

5016 csrsll.exe
2476 csrsll.exe
4292 csrsll.exe

pid	process
5016	csrsll.exe
2476	csrsll.exe
4292	csrsll.exe

UPX packed file 21 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/2684-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3840-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2684-10-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3840-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3840-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe	upx
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe	upx
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe	upx
behavioral2/memory/5016-35-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3840-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe	upx
behavioral2/memory/5016-45-0x00000000021F0000-0x00000000021F2000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe	upx
behavioral2/memory/4292-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4292-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4292-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5016-55-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4292-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3840-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2476-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4292-62-0x0000000000400000-0x0000000000414000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

NEAS.dc68403f79dcc10185e91b1bc9fe23a0.execsrsll.exe

description	pid	process	target process
PID 2684 set thread context of 3840	2684	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe
PID 5016 set thread context of 2476	5016	csrsll.exe	csrsll.exe
PID 5016 set thread context of 4292	5016	csrsll.exe	csrsll.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

csrsll.exe

description	pid	process
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe
Token: SeDebugPrivilege	2476	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exeNEAS.dc68403f79dcc10185e91b1bc9fe23a0.execsrsll.execsrsll.exe

pid process

2684 NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe
3840 NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe
5016 csrsll.exe
2476 csrsll.exe

pid	process
2684	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe
3840	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe
5016	csrsll.exe
2476	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exeNEAS.dc68403f79dcc10185e91b1bc9fe23a0.execmd.execsrsll.exe

description	pid	process	target process
PID 2684 wrote to memory of 3840	2684	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe
PID 2684 wrote to memory of 3840	2684	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe
PID 2684 wrote to memory of 3840	2684	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe
PID 2684 wrote to memory of 3840	2684	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe
PID 2684 wrote to memory of 3840	2684	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe
PID 2684 wrote to memory of 3840	2684	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe
PID 2684 wrote to memory of 3840	2684	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe
PID 2684 wrote to memory of 3840	2684	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe
PID 3840 wrote to memory of 4056	3840	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe	cmd.exe
PID 3840 wrote to memory of 4056	3840	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe	cmd.exe
PID 3840 wrote to memory of 4056	3840	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe	cmd.exe
PID 4056 wrote to memory of 3060	4056	cmd.exe	reg.exe
PID 4056 wrote to memory of 3060	4056	cmd.exe	reg.exe
PID 4056 wrote to memory of 3060	4056	cmd.exe	reg.exe
PID 3840 wrote to memory of 5016	3840	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe	csrsll.exe
PID 3840 wrote to memory of 5016	3840	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe	csrsll.exe
PID 3840 wrote to memory of 5016	3840	NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe	csrsll.exe
PID 5016 wrote to memory of 2476	5016	csrsll.exe	csrsll.exe
PID 5016 wrote to memory of 2476	5016	csrsll.exe	csrsll.exe
PID 5016 wrote to memory of 2476	5016	csrsll.exe	csrsll.exe
PID 5016 wrote to memory of 2476	5016	csrsll.exe	csrsll.exe
PID 5016 wrote to memory of 2476	5016	csrsll.exe	csrsll.exe
PID 5016 wrote to memory of 2476	5016	csrsll.exe	csrsll.exe
PID 5016 wrote to memory of 2476	5016	csrsll.exe	csrsll.exe
PID 5016 wrote to memory of 2476	5016	csrsll.exe	csrsll.exe
PID 5016 wrote to memory of 4292	5016	csrsll.exe	csrsll.exe
PID 5016 wrote to memory of 4292	5016	csrsll.exe	csrsll.exe
PID 5016 wrote to memory of 4292	5016	csrsll.exe	csrsll.exe
PID 5016 wrote to memory of 4292	5016	csrsll.exe	csrsll.exe
PID 5016 wrote to memory of 4292	5016	csrsll.exe	csrsll.exe
PID 5016 wrote to memory of 4292	5016	csrsll.exe	csrsll.exe
PID 5016 wrote to memory of 4292	5016	csrsll.exe	csrsll.exe
PID 5016 wrote to memory of 4292	5016	csrsll.exe	csrsll.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2684

C:\Users\Admin\AppData\Local\Temp\NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.dc68403f79dcc10185e91b1bc9fe23a0.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3840

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NQBGL.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:4056

C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
4⤵
- Adds Run key to start application
PID:3060

C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5016

C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2476

C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
4⤵
- Executes dropped EXE
PID:4292

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\NQBGL.bat
Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\NQBGL.txt
Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
Filesize
90KB

MD5
c03f97d370d56e5356129c2147d936a0

SHA1
a388e35cb789a44b954a7a13d6ab59bb167b3470

SHA256
f3ff428eb698805cbb05c957b6a6edfdde4a1562ee429b5376c872541cc86240

SHA512
fde482ecf77e16ff30724e9eaa686f9b63deae9ff5ab7f04478fc3f63ecacc272b6b9073e23e77433dc861cc0935762bbf9b607e22701badbb2e00e131c48655

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
Filesize
90KB

MD5
c03f97d370d56e5356129c2147d936a0

SHA1
a388e35cb789a44b954a7a13d6ab59bb167b3470

SHA256
f3ff428eb698805cbb05c957b6a6edfdde4a1562ee429b5376c872541cc86240

SHA512
fde482ecf77e16ff30724e9eaa686f9b63deae9ff5ab7f04478fc3f63ecacc272b6b9073e23e77433dc861cc0935762bbf9b607e22701badbb2e00e131c48655

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
Filesize
90KB

MD5
c03f97d370d56e5356129c2147d936a0

SHA1
a388e35cb789a44b954a7a13d6ab59bb167b3470

SHA256
f3ff428eb698805cbb05c957b6a6edfdde4a1562ee429b5376c872541cc86240

SHA512
fde482ecf77e16ff30724e9eaa686f9b63deae9ff5ab7f04478fc3f63ecacc272b6b9073e23e77433dc861cc0935762bbf9b607e22701badbb2e00e131c48655

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
Filesize
90KB

MD5
c03f97d370d56e5356129c2147d936a0

SHA1
a388e35cb789a44b954a7a13d6ab59bb167b3470

SHA256
f3ff428eb698805cbb05c957b6a6edfdde4a1562ee429b5376c872541cc86240

SHA512
fde482ecf77e16ff30724e9eaa686f9b63deae9ff5ab7f04478fc3f63ecacc272b6b9073e23e77433dc861cc0935762bbf9b607e22701badbb2e00e131c48655

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
Filesize
90KB

MD5
c03f97d370d56e5356129c2147d936a0

SHA1
a388e35cb789a44b954a7a13d6ab59bb167b3470

SHA256
f3ff428eb698805cbb05c957b6a6edfdde4a1562ee429b5376c872541cc86240

SHA512
fde482ecf77e16ff30724e9eaa686f9b63deae9ff5ab7f04478fc3f63ecacc272b6b9073e23e77433dc861cc0935762bbf9b607e22701badbb2e00e131c48655

Download Submit
memory/2476-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2684-10-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2684-6-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download
memory/2684-5-0x00000000021F0000-0x00000000021F2000-memory.dmp

Filesize
8KB

Download
memory/2684-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2684-4-0x00000000021E0000-0x00000000021E2000-memory.dmp

Filesize
8KB

Download
memory/2684-3-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/3840-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3840-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3840-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3840-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3840-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3840-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4292-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4292-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4292-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4292-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4292-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5016-35-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5016-55-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5016-42-0x00000000021E0000-0x00000000021E2000-memory.dmp

Filesize
8KB

Download
memory/5016-47-0x0000000002AC0000-0x0000000002AC2000-memory.dmp

Filesize
8KB

Download
memory/5016-45-0x00000000021F0000-0x00000000021F2000-memory.dmp

Filesize
8KB

Download
memory/5016-40-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads