modiloader | 9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053

General

Target

9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exe
Size

110KB
MD5

a0a4452bf9d24f1082680bd6052b9fd0
SHA1

150cbac129712a7f58710c8b5d4999163f240223
SHA256

9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053
SHA512

f8cedd2898376d8b57c68df13f5e7ff43cdcaff5fa09c1903eb26833241b04fa37a7535cf1cf73cd6c993d3a7b8269c9913fe910d61f5df5e50cc39938ae5ae1
SSDEEP

3072:G1+MJKrUnFYY5z1i0Nmbi5fJBN1O581esZXjout:OIrPj0NmWtN1d1esFjoS

Score

10^/10

modiloader evasion persistence trojan upx

Malware Config

Signatures

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

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/5012-133-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/5012-137-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/4356-143-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/4356-144-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
4356	mstwain32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5012-132-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/5012-133-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/files/0x0006000000022de7-135.dat	upx
behavioral2/files/0x0006000000022de7-136.dat	upx
behavioral2/memory/5012-137-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/4356-143-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/4356-144-0x0000000000400000-0x000000000044F000-memory.dmp	upx

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exe

Loads dropped DLL 4 IoCs

pid	Process
4356	mstwain32.exe
4356	mstwain32.exe
4356	mstwain32.exe
4356	mstwain32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe"	mstwain32.exe

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstwain32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exe
File opened for modification	C:\Windows\mstwain32.exe	9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5012	9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exe
Token: SeDebugPrivilege	4356	mstwain32.exe
Token: SeDebugPrivilege	4356	mstwain32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5012	9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4356	mstwain32.exe
4356	mstwain32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5012 wrote to memory of 4356	5012	9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exe	79
PID 5012 wrote to memory of 4356	5012	9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exe	79
PID 5012 wrote to memory of 4356	5012	9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exe	79

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

C:\Users\Admin\AppData\Local\Temp\9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exe
"C:\Users\Admin\AppData\Local\Temp\9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053.exe"
1⤵
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5012
- C:\Windows\mstwain32.exe
  "C:\Windows\mstwain32.exe"
  2⤵
  - UAC bypass
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - System policy modification
  PID:4356

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\cmsetac.dll

Filesize
32KB

MD5
5788c083853e4e5815a02733271d74d6

SHA1
d69ca10edcd5f58f9f4d3f6e06d996632aba198d

SHA256
b9c4627f7e297c36164101fb8d7f117cc1ee21f14225bd357fa38b1f35235464

SHA512
78b35641523ba07321e7a031d098d2b0b1fbfd27bca79183a81c67857106a7c7cc1029f9b8124cb95e47929604178c6896fa0667bfa1349d57d0629138686f0d

Download Submit
C:\Windows\cmsetac.dll

Filesize
32KB

MD5
5788c083853e4e5815a02733271d74d6

SHA1
d69ca10edcd5f58f9f4d3f6e06d996632aba198d

SHA256
b9c4627f7e297c36164101fb8d7f117cc1ee21f14225bd357fa38b1f35235464

SHA512
78b35641523ba07321e7a031d098d2b0b1fbfd27bca79183a81c67857106a7c7cc1029f9b8124cb95e47929604178c6896fa0667bfa1349d57d0629138686f0d

Download Submit
C:\Windows\mstwain32.exe

Filesize
110KB

MD5
a0a4452bf9d24f1082680bd6052b9fd0

SHA1
150cbac129712a7f58710c8b5d4999163f240223

SHA256
9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053

SHA512
f8cedd2898376d8b57c68df13f5e7ff43cdcaff5fa09c1903eb26833241b04fa37a7535cf1cf73cd6c993d3a7b8269c9913fe910d61f5df5e50cc39938ae5ae1

Download Submit
C:\Windows\mstwain32.exe

Filesize
110KB

MD5
a0a4452bf9d24f1082680bd6052b9fd0

SHA1
150cbac129712a7f58710c8b5d4999163f240223

SHA256
9cfcd7cc477b78c554c9f88c60dfd073a17af09872663d15bc689493f5e78053

SHA512
f8cedd2898376d8b57c68df13f5e7ff43cdcaff5fa09c1903eb26833241b04fa37a7535cf1cf73cd6c993d3a7b8269c9913fe910d61f5df5e50cc39938ae5ae1

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/4356-142-0x0000000003080000-0x000000000308E000-memory.dmp

Filesize
56KB

Download
memory/4356-143-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4356-144-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/5012-132-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/5012-137-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/5012-133-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads