modiloader | 42b61aba751c011b37720d8ca0ef81d113f24162fde40eda6f4bcfc1c51f669d

Analysis

max time kernel
154s
max time network
196s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2022 00:57

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General

Target

TSDPL for GSTR3b.exe
Size

813KB
MD5

96687cb64b98418c573ee65753a72e33
SHA1

d20ada54342596cd29bf7f66bc86d4503c4cfea4
SHA256

c410af32a481222f15dd9babe626182317e7d76d603d2eb001cccd213a258873
SHA512

b9f4e51985e839ece1f1bfb74ce1c0ffa232f848cdbef5a1c65ed3e703096074b779b509c1369060a96e924d4eae7e80049639e886923271b4d576ca725746b9
SSDEEP

12288:vOrAkZrlpZxc3NKqgw9ONuRJooNN5dHVqTdTB2O4rwSMpxwhxjgV:vs3hp4c6/n5q5oOqLM2x0V

Score

10^/10

modiloader trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://drive.google.com/uc?export=download&id=1Dbjqv3kYu9z-oWAyCtOblfNRuOjXFyFa

Signatures

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

ModiLoader Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5116-132-0x00000000023C0000-0x00000000023EC000-memory.dmp	modiloader_stage2

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

69 1696 powershell.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

1696 powershell.exe
1696 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1696 powershell.exe

flow	pid	process
69	1696	powershell.exe

pid	process
1696	powershell.exe
1696	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1696	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

TSDPL for GSTR3b.execmd.exe

description	pid	process	target process
PID 5116 wrote to memory of 3488	5116	TSDPL for GSTR3b.exe	cmd.exe
PID 5116 wrote to memory of 3488	5116	TSDPL for GSTR3b.exe	cmd.exe
PID 5116 wrote to memory of 3488	5116	TSDPL for GSTR3b.exe	cmd.exe
PID 3488 wrote to memory of 1696	3488	cmd.exe	powershell.exe
PID 3488 wrote to memory of 1696	3488	cmd.exe	powershell.exe
PID 3488 wrote to memory of 1696	3488	cmd.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\TSDPL for GSTR3b.exe
"C:\Users\Admin\AppData\Local\Temp\TSDPL for GSTR3b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5116

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\png.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:3488

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -FILE C:\Users\Public\Libraries\png.ps1
3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1696

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

T1102

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Public\Libraries\png.bat
Filesize
100B

MD5
c385a71887d828b1df961942e68ecfe8

SHA1
3f539a56267af3db91be9ac9ea2fd5d803a53279

SHA256
bcd9e416bc017b7f079e7daee3b628ccdcf34cfb93d1d131f0d11ee2ba3498f3

SHA512
83d48fa5c8d06918fe63404500f35231f461dd7ce57540d9f9c36b0fcc81a15e02f28e5aa66acdf2183ce95acd2f301e3d5963c10e2bc298c93dab87e9d90848

Download Submit
C:\Users\Public\Libraries\png.ps1
Filesize
213B

MD5
534e8fec8b4f4a679ebf8d2cd052cb94

SHA1
a75d3f06cee2bb7e78f0fcb4aa97cbc90a7a16b6

SHA256
a87f610f71c4c972fad2cc8a7501f2cb6c762075a97e2194f3596d2c15d6414c

SHA512
91ef8408df7a9050a09415eac37cbd1bc2853fadd9c0b38a6207b35240037826e11200a42292a69c74154f64338cc3dddf63a45b0bba1d9dc7378d6f93a35200

Download Submit
memory/1696-139-0x0000000004BE0000-0x0000000004C02000-memory.dmp

Filesize
136KB

Download
memory/1696-136-0x0000000000000000-mapping.dmp

Download
memory/1696-137-0x0000000000E40000-0x0000000000E76000-memory.dmp

Filesize
216KB

Download
memory/1696-138-0x0000000004D50000-0x0000000005378000-memory.dmp

Filesize
6.2MB

Download
memory/1696-140-0x00000000053F0000-0x0000000005456000-memory.dmp

Filesize
408KB

Download
memory/1696-141-0x0000000005460000-0x00000000054C6000-memory.dmp

Filesize
408KB

Download
memory/1696-142-0x0000000005850000-0x000000000586E000-memory.dmp

Filesize
120KB

Download
memory/1696-144-0x0000000007180000-0x00000000077FA000-memory.dmp

Filesize
6.5MB

Download
memory/1696-145-0x00000000060F0000-0x000000000610A000-memory.dmp

Filesize
104KB

Download
memory/3488-134-0x0000000000000000-mapping.dmp

Download
memory/5116-132-0x00000000023C0000-0x00000000023EC000-memory.dmp

Filesize
176KB

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