modiloader | 48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54

General

Target

48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe
Size

90KB
MD5

0f1df10be020d68517f88c7b38eb3e50
SHA1

8dd10efc5ff4fe2ee186ae0871b0cfb9e9f904d5
SHA256

48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54
SHA512

a693d558f461b59d3177ac852dcd4184bd6dc1665526080764ebd00299da872a90da962de98373e910a40f2b1188ca7e758fd62fa4851fd56a049e1b1477be3a
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/4192-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4192-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4192-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4192-60-0x0000000000400000-0x0000000000414000-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:

48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe

Executes dropped EXE 3 IoCs

Processes:

csrsll.execsrsll.execsrsll.exe

pid process

5076 csrsll.exe
1084 csrsll.exe
4192 csrsll.exe

pid	process
5076	csrsll.exe
1084	csrsll.exe
4192	csrsll.exe

UPX packed file 18 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/5112-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3984-3-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3984-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5112-5-0x00000000021D0000-0x00000000021D2000-memory.dmp	upx
behavioral2/memory/5112-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3984-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe	upx
behavioral2/memory/5076-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5076-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4192-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4192-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4192-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4192-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4192-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5076-55-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3984-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1084-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4192-60-0x0000000000400000-0x0000000000414000-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-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.execsrsll.exe

description	pid	process	target process
PID 5112 set thread context of 3984	5112	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe
PID 5076 set thread context of 1084	5076	csrsll.exe	csrsll.exe
PID 5076 set thread context of 4192	5076	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	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe
Token: SeDebugPrivilege	1084	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.execsrsll.execsrsll.exe

pid	process
5112	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe
3984	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe
5076	csrsll.exe
1084	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.execmd.execsrsll.exe

description	pid	process	target process
PID 5112 wrote to memory of 3984	5112	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe
PID 5112 wrote to memory of 3984	5112	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe
PID 5112 wrote to memory of 3984	5112	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe
PID 5112 wrote to memory of 3984	5112	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe
PID 5112 wrote to memory of 3984	5112	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe
PID 5112 wrote to memory of 3984	5112	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe
PID 5112 wrote to memory of 3984	5112	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe
PID 5112 wrote to memory of 3984	5112	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe
PID 3984 wrote to memory of 5096	3984	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe	cmd.exe
PID 3984 wrote to memory of 5096	3984	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe	cmd.exe
PID 3984 wrote to memory of 5096	3984	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe	cmd.exe
PID 5096 wrote to memory of 3408	5096	cmd.exe	reg.exe
PID 5096 wrote to memory of 3408	5096	cmd.exe	reg.exe
PID 5096 wrote to memory of 3408	5096	cmd.exe	reg.exe
PID 3984 wrote to memory of 5076	3984	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe	csrsll.exe
PID 3984 wrote to memory of 5076	3984	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe	csrsll.exe
PID 3984 wrote to memory of 5076	3984	48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe	csrsll.exe
PID 5076 wrote to memory of 1084	5076	csrsll.exe	csrsll.exe
PID 5076 wrote to memory of 1084	5076	csrsll.exe	csrsll.exe
PID 5076 wrote to memory of 1084	5076	csrsll.exe	csrsll.exe
PID 5076 wrote to memory of 1084	5076	csrsll.exe	csrsll.exe
PID 5076 wrote to memory of 1084	5076	csrsll.exe	csrsll.exe
PID 5076 wrote to memory of 1084	5076	csrsll.exe	csrsll.exe
PID 5076 wrote to memory of 1084	5076	csrsll.exe	csrsll.exe
PID 5076 wrote to memory of 1084	5076	csrsll.exe	csrsll.exe
PID 5076 wrote to memory of 4192	5076	csrsll.exe	csrsll.exe
PID 5076 wrote to memory of 4192	5076	csrsll.exe	csrsll.exe
PID 5076 wrote to memory of 4192	5076	csrsll.exe	csrsll.exe
PID 5076 wrote to memory of 4192	5076	csrsll.exe	csrsll.exe
PID 5076 wrote to memory of 4192	5076	csrsll.exe	csrsll.exe
PID 5076 wrote to memory of 4192	5076	csrsll.exe	csrsll.exe
PID 5076 wrote to memory of 4192	5076	csrsll.exe	csrsll.exe
PID 5076 wrote to memory of 4192	5076	csrsll.exe	csrsll.exe

C:\Users\Admin\AppData\Local\Temp\48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe
"C:\Users\Admin\AppData\Local\Temp\48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5112

C:\Users\Admin\AppData\Local\Temp\48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe
"C:\Users\Admin\AppData\Local\Temp\48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3984

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\TQPTH.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:5096

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:3408

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:5076

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:1084

C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
4⤵
- Executes dropped EXE
PID:4192

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 --no-appcompat-clear --field-trial-handle=4116,i,11266875042087428226,16669718873272757238,262144 --variations-seed-version --mojo-platform-channel-handle=3900 /prefetch:8
1⤵
PID:1144

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\TQPTH.txt
Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

MD5
d911601b4789dcdc18c4acf088cb76b6

SHA1
773cf7e2d516cf485639f1bf1f2624bdf3cec05d

SHA256
7237d2f4f50a6ba92b2eaf22f1295e7eba371fe14aafc17e52d9ba75b2b8df42

SHA512
f1e38a910662d1cdc386ea058ad2ed035cb2b24231eb51b354c05600b08a6226af1d85628f717e19164b1d12eb2c972a0eb34d8a8c3cc36ec18c51a760315f11

Download Submit
memory/1084-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3984-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3984-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3984-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3984-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4192-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4192-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4192-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4192-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4192-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4192-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5076-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5076-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5076-55-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5112-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5112-5-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download
memory/5112-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5112-7-0x00000000021F0000-0x00000000021F2000-memory.dmp

Filesize
8KB

Download
memory/5112-6-0x00000000021E0000-0x00000000021E2000-memory.dmp

Filesize
8KB

Download
memory/5112-4-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads