modiloader | 09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b

General

Target

09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe
Size

90KB
MD5

97b87cc28d58abe0e6c36740e18dbf73
SHA1

d2d4ac162424cc8e489640fd08f686c22080cf6e
SHA256

09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b
SHA512

3c9cad41a39a056d25214f59718900bced3820fdad429f4a4238edd4cd724e4087f9d489323511bbb3bc9313e9b71717122a7865390f055bbc4eb5994167f367
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 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5008-48-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5008-47-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5008-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5008-57-0x0000000000400000-0x0000000000414000-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:

09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe

Executes dropped EXE 3 IoCs

Processes:

csrsll.execsrsll.execsrsll.exe

pid process

532 csrsll.exe
4988 csrsll.exe
5008 csrsll.exe

pid	process
532	csrsll.exe
4988	csrsll.exe
5008	csrsll.exe

UPX packed file 16 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1224-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5096-4-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5096-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1224-9-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5096-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe	upx
behavioral2/memory/532-34-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/532-46-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5008-48-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5008-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5008-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5008-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5008-39-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5096-55-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4988-56-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5008-57-0x0000000000400000-0x0000000000414000-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-1-5-21-3665033694-1447845302-680750983-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.execsrsll.exe

description	pid	process	target process
PID 1224 set thread context of 5096	1224	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe
PID 532 set thread context of 4988	532	csrsll.exe	csrsll.exe
PID 532 set thread context of 5008	532	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	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe
Token: SeDebugPrivilege	4988	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.execsrsll.execsrsll.exe

pid	process
1224	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe
5096	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe
532	csrsll.exe
4988	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.execmd.execsrsll.exe

description	pid	process	target process
PID 1224 wrote to memory of 5096	1224	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe
PID 1224 wrote to memory of 5096	1224	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe
PID 1224 wrote to memory of 5096	1224	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe
PID 1224 wrote to memory of 5096	1224	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe
PID 1224 wrote to memory of 5096	1224	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe
PID 1224 wrote to memory of 5096	1224	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe
PID 1224 wrote to memory of 5096	1224	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe
PID 1224 wrote to memory of 5096	1224	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe
PID 5096 wrote to memory of 4716	5096	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe	cmd.exe
PID 5096 wrote to memory of 4716	5096	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe	cmd.exe
PID 5096 wrote to memory of 4716	5096	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe	cmd.exe
PID 4716 wrote to memory of 4808	4716	cmd.exe	reg.exe
PID 4716 wrote to memory of 4808	4716	cmd.exe	reg.exe
PID 4716 wrote to memory of 4808	4716	cmd.exe	reg.exe
PID 5096 wrote to memory of 532	5096	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe	csrsll.exe
PID 5096 wrote to memory of 532	5096	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe	csrsll.exe
PID 5096 wrote to memory of 532	5096	09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe	csrsll.exe
PID 532 wrote to memory of 4988	532	csrsll.exe	csrsll.exe
PID 532 wrote to memory of 4988	532	csrsll.exe	csrsll.exe
PID 532 wrote to memory of 4988	532	csrsll.exe	csrsll.exe
PID 532 wrote to memory of 4988	532	csrsll.exe	csrsll.exe
PID 532 wrote to memory of 4988	532	csrsll.exe	csrsll.exe
PID 532 wrote to memory of 4988	532	csrsll.exe	csrsll.exe
PID 532 wrote to memory of 4988	532	csrsll.exe	csrsll.exe
PID 532 wrote to memory of 4988	532	csrsll.exe	csrsll.exe
PID 532 wrote to memory of 5008	532	csrsll.exe	csrsll.exe
PID 532 wrote to memory of 5008	532	csrsll.exe	csrsll.exe
PID 532 wrote to memory of 5008	532	csrsll.exe	csrsll.exe
PID 532 wrote to memory of 5008	532	csrsll.exe	csrsll.exe
PID 532 wrote to memory of 5008	532	csrsll.exe	csrsll.exe
PID 532 wrote to memory of 5008	532	csrsll.exe	csrsll.exe
PID 532 wrote to memory of 5008	532	csrsll.exe	csrsll.exe
PID 532 wrote to memory of 5008	532	csrsll.exe	csrsll.exe

C:\Users\Admin\AppData\Local\Temp\09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe
"C:\Users\Admin\AppData\Local\Temp\09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1224

C:\Users\Admin\AppData\Local\Temp\09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe
"C:\Users\Admin\AppData\Local\Temp\09325f005ceb976e3b3a85d4a8722b6a49d85c45847473ea4e8d5db860db079b.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5096

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BAYEW.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:4716

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:4808

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:532

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:4988

C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
4⤵
- Executes dropped EXE
PID:5008

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3972,i,3671441404766730751,12082497324212183132,262144 --variations-seed-version --mojo-platform-channel-handle=4136 /prefetch:8
1⤵
PID:1472

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\BAYEW.txt
Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

MD5
9e4623cc6b5a3360e295eb6c4645e213

SHA1
9ebff98a42dc2d1be4d304700d5ad4b163766c2f

SHA256
fa44cb51263b6ce5ecf19882a2e0daf1161abc016815ef4e0d6deff915f8f0a6

SHA512
952fdb5ee1713cc9e00dc28f9f0258a61c8b729c3b4b537e0228528d08f00fa556d50721412d79a2aba87e3d6a9c75ea54405100990574df751154619e31de7f

Download Submit
memory/532-46-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/532-34-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1224-9-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1224-5-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download
memory/1224-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1224-3-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/4988-56-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5008-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5008-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5008-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5008-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5008-39-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5008-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5096-4-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5096-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5096-55-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5096-53-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/5096-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads