modiloader | b7791d1985f604a1e430db1a314d8e668a116368fbdbd1c0eec7c819f794572e

General

Target

b7791d1985f604a1e430db1a314d8e668a116368fbdbd1c0eec7c819f794572e.exe
Size

369KB
MD5

a9f53f717119d87ef37cd69455bdf7c8
SHA1

558d1d89590e28d305ad31c3dde0e3b1dd4a9d92
SHA256

b7791d1985f604a1e430db1a314d8e668a116368fbdbd1c0eec7c819f794572e
SHA512

3168b45551e29474a0c5d267de367c5d343336aa8372e77974f73840fd4f5289a2140134710f7e723cd38033e79016f5a34109269874f6169a6479892882a6d0
SSDEEP

6144:0YKgiBqURlqw4FVSa1IOi8ms255DlQMX8Pn6YWiRI716L17Ab:49BqW49jKO8pKMXcnl9RI71u1Ub

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

resource	yara_rule
behavioral2/memory/5116-143-0x0000000000400000-0x0000000000421000-memory.dmp	modiloader_stage2
behavioral2/memory/5116-144-0x0000000000400000-0x0000000000421000-memory.dmp	modiloader_stage2
behavioral2/memory/5116-146-0x0000000000400000-0x0000000000421000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
5016	winini.exe
5116	cvtres.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5116-137-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/5116-141-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/5116-142-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/5116-143-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/5116-144-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/5116-146-0x0000000000400000-0x0000000000421000-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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	b7791d1985f604a1e430db1a314d8e668a116368fbdbd1c0eec7c819f794572e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Live = "C:\\Users\\Admin\\AppData\\winini.exe"	winini.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5016 set thread context of 5116	5016	winini.exe	86

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
5016	winini.exe
5016	winini.exe
5116	cvtres.exe
5116	cvtres.exe
5116	cvtres.exe
5116	cvtres.exe
5116	cvtres.exe
5116	cvtres.exe
5116	cvtres.exe
5116	cvtres.exe
5116	cvtres.exe
5116	cvtres.exe
5116	cvtres.exe
5116	cvtres.exe
5116	cvtres.exe
5116	cvtres.exe
5116	cvtres.exe
5116	cvtres.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5016	winini.exe
Token: SeDebugPrivilege	5016	winini.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 5016	1712	b7791d1985f604a1e430db1a314d8e668a116368fbdbd1c0eec7c819f794572e.exe	85
PID 1712 wrote to memory of 5016	1712	b7791d1985f604a1e430db1a314d8e668a116368fbdbd1c0eec7c819f794572e.exe	85
PID 1712 wrote to memory of 5016	1712	b7791d1985f604a1e430db1a314d8e668a116368fbdbd1c0eec7c819f794572e.exe	85
PID 5016 wrote to memory of 5116	5016	winini.exe	86
PID 5016 wrote to memory of 5116	5016	winini.exe	86
PID 5016 wrote to memory of 5116	5016	winini.exe	86
PID 5016 wrote to memory of 5116	5016	winini.exe	86
PID 5016 wrote to memory of 5116	5016	winini.exe	86
PID 5016 wrote to memory of 5116	5016	winini.exe	86
PID 5016 wrote to memory of 5116	5016	winini.exe	86
PID 5016 wrote to memory of 5116	5016	winini.exe	86

C:\Users\Admin\AppData\Local\Temp\b7791d1985f604a1e430db1a314d8e668a116368fbdbd1c0eec7c819f794572e.exe
"C:\Users\Admin\AppData\Local\Temp\b7791d1985f604a1e430db1a314d8e668a116368fbdbd1c0eec7c819f794572e.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Users\Admin\AppData\winini.exe
  "C:\Users\Admin\AppData\winini.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5016
- - C:\Users\Admin\AppData\Local\Temp\cvtres.exe
    C:\Users\Admin\AppData\Local\Temp\\cvtres.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:5116

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\cvtres.exe

Filesize
34KB

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\cvtres.exe

Filesize
34KB

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

Download Submit
C:\Users\Admin\AppData\winini.exe

Filesize
81KB

MD5
aef8b712ff626582b9d987ffbf9d8418

SHA1
105c24ca1d448040ddfdf69ac48438f3c0ce8ca1

SHA256
b4278a8b73e26acf0c97fcfcc4f04cb1ec63fceb25aa22028908e7f0bd858997

SHA512
d5a99fb67f38a347b0c58b35c5b37e8cda3d2e2b23acef7d743d69bee1b3e357ded05351f20f03786098f7731c29e7b5442f60dfd8f0940b283f92d195143666

Download Submit
C:\Users\Admin\AppData\winini.exe

Filesize
81KB

MD5
aef8b712ff626582b9d987ffbf9d8418

SHA1
105c24ca1d448040ddfdf69ac48438f3c0ce8ca1

SHA256
b4278a8b73e26acf0c97fcfcc4f04cb1ec63fceb25aa22028908e7f0bd858997

SHA512
d5a99fb67f38a347b0c58b35c5b37e8cda3d2e2b23acef7d743d69bee1b3e357ded05351f20f03786098f7731c29e7b5442f60dfd8f0940b283f92d195143666

Download Submit
memory/1712-132-0x0000000074FF0000-0x00000000755A1000-memory.dmp

Filesize
5.7MB

Download
memory/1712-138-0x0000000074FF0000-0x00000000755A1000-memory.dmp

Filesize
5.7MB

Download
memory/5016-145-0x0000000074FF0000-0x00000000755A1000-memory.dmp

Filesize
5.7MB

Download
memory/5016-148-0x0000000074FF0000-0x00000000755A1000-memory.dmp

Filesize
5.7MB

Download
memory/5016-147-0x0000000074FF0000-0x00000000755A1000-memory.dmp

Filesize
5.7MB

Download
memory/5116-143-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5116-144-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5116-142-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5116-146-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5116-141-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5116-137-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

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