modiloader | 66c1c7b45601e66a91b9c7e560581f2702463d7be19c49a9ad420835b6a53d5f

General

Target

2f77a22fd3387747ef755f74a7d10c9e_JaffaCakes118.exe
Size

270KB
MD5

2f77a22fd3387747ef755f74a7d10c9e
SHA1

a809d79400aa2c31309d4eea1d74b6eeb0071b7a
SHA256

66c1c7b45601e66a91b9c7e560581f2702463d7be19c49a9ad420835b6a53d5f
SHA512

ddbde12d0b0a24752839442ea17a78cf2fbb9cead890b186d88ac4b2eabebb2809a0b8b9cb922eb3ab56d2e34b988d273e535aed4d78aabfc2c80cd8ccc9856d
SSDEEP

6144:KG377xS2Vp2CeiorXhwTBOz53bCpcCJJvH:Zr7xS2Vp6FwTxbJJvH

Score

10^/10

modiloader evasion persistence trojan

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
T1548.002

Disable or Modify Tools
T1562.001

Modify Registry
T1112

Processes:

mstwain32.exe

description ioc process

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

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

ModiLoader Second Stage 16 IoCs

Processes:

resource	yara_rule
C:\Windows\mstwain32.exe	modiloader_stage2
behavioral2/memory/1760-9-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1992-25-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1992-28-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1992-31-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1992-34-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1992-37-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1992-40-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1992-43-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1992-46-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1992-49-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1992-52-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1992-55-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1992-58-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1992-61-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1992-64-0x0000000000400000-0x000000000044B000-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:

2f77a22fd3387747ef755f74a7d10c9e_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	2f77a22fd3387747ef755f74a7d10c9e_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

mstwain32.exe

pid process

1992 mstwain32.exe
Executes dropped EXE 1 IoCs

Processes:

mstwain32.exe

pid process

1992 mstwain32.exe
Loads dropped DLL 4 IoCs

Processes:

mstwain32.exe

pid process

1992 mstwain32.exe
1992 mstwain32.exe
1992 mstwain32.exe
1992 mstwain32.exe

pid	process
1992	mstwain32.exe

pid	process
1992	mstwain32.exe

pid	process
1992	mstwain32.exe
1992	mstwain32.exe
1992	mstwain32.exe
1992	mstwain32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

mstwain32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\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

Processes:

2f77a22fd3387747ef755f74a7d10c9e_JaffaCakes118.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	2f77a22fd3387747ef755f74a7d10c9e_JaffaCakes118.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

Processes:

2f77a22fd3387747ef755f74a7d10c9e_JaffaCakes118.exemstwain32.exe

description	ioc	process
File created	C:\Windows\mstwain32.exe	2f77a22fd3387747ef755f74a7d10c9e_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	2f77a22fd3387747ef755f74a7d10c9e_JaffaCakes118.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).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

2f77a22fd3387747ef755f74a7d10c9e_JaffaCakes118.exevssvc.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	1760	2f77a22fd3387747ef755f74a7d10c9e_JaffaCakes118.exe
Token: SeBackupPrivilege	3152	vssvc.exe
Token: SeRestorePrivilege	3152	vssvc.exe
Token: SeAuditPrivilege	3152	vssvc.exe
Token: SeDebugPrivilege	1992	mstwain32.exe
Token: SeDebugPrivilege	1992	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

1992 mstwain32.exe
1992 mstwain32.exe

pid	process
1992	mstwain32.exe
1992	mstwain32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2f77a22fd3387747ef755f74a7d10c9e_JaffaCakes118.exe

description	pid	process	target process
PID 1760 wrote to memory of 1992	1760	2f77a22fd3387747ef755f74a7d10c9e_JaffaCakes118.exe	mstwain32.exe
PID 1760 wrote to memory of 1992	1760	2f77a22fd3387747ef755f74a7d10c9e_JaffaCakes118.exe	mstwain32.exe
PID 1760 wrote to memory of 1992	1760	2f77a22fd3387747ef755f74a7d10c9e_JaffaCakes118.exe	mstwain32.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

mstwain32.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

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

C:\Users\Admin\AppData\Local\Temp\2f77a22fd3387747ef755f74a7d10c9e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2f77a22fd3387747ef755f74a7d10c9e_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1760

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\2f77a22fd3387747ef755f74a7d10c9e_JaffaCakes118.exe"
2⤵
- UAC bypass
- Deletes itself
- 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:1992

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3152

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

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Windows\cmsetac.dll
Filesize
33KB

MD5
1a942040368e0bed84b2cc7a5c318efd

SHA1
84e22c7afca83e4d8ba0644c59da6486474f764a

SHA256
a3bfabf43613ed395d527ac0b35df16370ea1aab22f93e250274c2f42b7499c8

SHA512
d400a5b8e64dc02c83f5789e9d2b594ff03c1c4c45d5a1e3e21a0606ea1f8004b54d65bfaeb9f65d853210aaa6497c73170b49ad5d3f6bcf92e0dc14b113ce27

Download Submit
C:\Windows\mstwain32.exe
Filesize
270KB

MD5
2f77a22fd3387747ef755f74a7d10c9e

SHA1
a809d79400aa2c31309d4eea1d74b6eeb0071b7a

SHA256
66c1c7b45601e66a91b9c7e560581f2702463d7be19c49a9ad420835b6a53d5f

SHA512
ddbde12d0b0a24752839442ea17a78cf2fbb9cead890b186d88ac4b2eabebb2809a0b8b9cb922eb3ab56d2e34b988d273e535aed4d78aabfc2c80cd8ccc9856d

Download Submit
C:\Windows\ntdtcstp.dll
Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/1760-9-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1992-28-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1992-37-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1992-24-0x0000000002F90000-0x0000000002F91000-memory.dmp

Filesize
4KB

Download
memory/1992-25-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1992-27-0x00000000030E0000-0x00000000030EE000-memory.dmp

Filesize
56KB

Download
memory/1992-26-0x0000000000940000-0x0000000000948000-memory.dmp

Filesize
32KB

Download
memory/1992-17-0x0000000000930000-0x0000000000931000-memory.dmp

Filesize
4KB

Download
memory/1992-31-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1992-34-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1992-21-0x00000000030E0000-0x00000000030EE000-memory.dmp

Filesize
56KB

Download
memory/1992-40-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1992-43-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1992-46-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1992-49-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1992-52-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1992-55-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1992-58-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1992-61-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1992-64-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads