modiloader | 42b61aba751c011b37720d8ca0ef81d113f24162fde40eda6f4bcfc1c51f669d

Analysis

max time kernel
135s
max time network
187s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-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 warzonerat collection infostealer persistence rat spyware stealer trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

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

Extracted

Family

warzonerat

nightmare4666.ddns.net:2442

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
WarzoneRat, AveMaria
WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.
rat infostealer warzonerat

ModiLoader Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/908-55-0x0000000000760000-0x000000000078C000-memory.dmp	modiloader_stage2

Warzone RAT payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/316-67-0x0000000000400000-0x0000000000554000-memory.dmp	warzonerat
behavioral1/memory/316-68-0x0000000000405CE2-mapping.dmp	warzonerat
behavioral1/memory/316-71-0x0000000000400000-0x0000000000554000-memory.dmp	warzonerat
behavioral1/memory/316-72-0x0000000000400000-0x0000000000554000-memory.dmp	warzonerat

Blocklisted process makes network request 2 IoCs

Processes:

powershell.exe

flow pid process

5 1716 powershell.exe
7 1716 powershell.exe
Loads dropped DLL 6 IoCs

Processes:

TSDPL for GSTR3b.exe

pid process

316 TSDPL for GSTR3b.exe
316 TSDPL for GSTR3b.exe
316 TSDPL for GSTR3b.exe
316 TSDPL for GSTR3b.exe
316 TSDPL for GSTR3b.exe
316 TSDPL for GSTR3b.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

flow	pid	process
5	1716	powershell.exe
7	1716	powershell.exe

pid	process
316	TSDPL for GSTR3b.exe
316	TSDPL for GSTR3b.exe
316	TSDPL for GSTR3b.exe
316	TSDPL for GSTR3b.exe
316	TSDPL for GSTR3b.exe
316	TSDPL for GSTR3b.exe

Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs

collection

Email Collection

T1114

Processes:

TSDPL for GSTR3b.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TSDPL for GSTR3b.exe
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TSDPL for GSTR3b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

TSDPL for GSTR3b.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\Fkfargqe = "C:\\Users\\Public\\Libraries\\eqgrafkF.url"	TSDPL for GSTR3b.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Suspicious use of SetThreadContext 1 IoCs

Processes:

TSDPL for GSTR3b.exe

description pid process target process

PID 908 set thread context of 316 908 TSDPL for GSTR3b.exe TSDPL for GSTR3b.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

1716 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1716 powershell.exe

description	pid	process	target process
PID 908 set thread context of 316	908	TSDPL for GSTR3b.exe	TSDPL for GSTR3b.exe

pid	process
1716	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1716	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

TSDPL for GSTR3b.execmd.exe

description	pid	process	target process
PID 908 wrote to memory of 1736	908	TSDPL for GSTR3b.exe	cmd.exe
PID 908 wrote to memory of 1736	908	TSDPL for GSTR3b.exe	cmd.exe
PID 908 wrote to memory of 1736	908	TSDPL for GSTR3b.exe	cmd.exe
PID 908 wrote to memory of 1736	908	TSDPL for GSTR3b.exe	cmd.exe
PID 1736 wrote to memory of 1716	1736	cmd.exe	powershell.exe
PID 1736 wrote to memory of 1716	1736	cmd.exe	powershell.exe
PID 1736 wrote to memory of 1716	1736	cmd.exe	powershell.exe
PID 1736 wrote to memory of 1716	1736	cmd.exe	powershell.exe
PID 908 wrote to memory of 316	908	TSDPL for GSTR3b.exe	TSDPL for GSTR3b.exe
PID 908 wrote to memory of 316	908	TSDPL for GSTR3b.exe	TSDPL for GSTR3b.exe
PID 908 wrote to memory of 316	908	TSDPL for GSTR3b.exe	TSDPL for GSTR3b.exe
PID 908 wrote to memory of 316	908	TSDPL for GSTR3b.exe	TSDPL for GSTR3b.exe
PID 908 wrote to memory of 316	908	TSDPL for GSTR3b.exe	TSDPL for GSTR3b.exe

outlook_office_path 1 IoCs

Processes:

TSDPL for GSTR3b.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TSDPL for GSTR3b.exe

outlook_win_path 1 IoCs

Processes:

TSDPL for GSTR3b.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TSDPL for GSTR3b.exe

C:\Users\Admin\AppData\Local\Temp\TSDPL for GSTR3b.exe
"C:\Users\Admin\AppData\Local\Temp\TSDPL for GSTR3b.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:908
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Public\Libraries\png.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1736
- - 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:1716
- C:\Users\Admin\AppData\Local\Temp\TSDPL for GSTR3b.exe
  "C:\Users\Admin\AppData\Local\Temp\TSDPL for GSTR3b.exe"
  2⤵
  - Loads dropped DLL
  - Accesses Microsoft Outlook profiles
  - outlook_office_path
  - outlook_win_path
  PID:316

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Web Service

T1102

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Public\Libraries\png

Filesize
113KB

MD5
d129e97dad190dc73b21762b994ec73b

SHA1
a57ddf15abb7637337f4b9c105d013947ef59cd4

SHA256
965834eed84be39cdf42588b6c881e4df179fc7dccddec7145dffcc10493c6d3

SHA512
6fef3729ba4e2a35bb92a0e6df08c7d865f96edd3023dc1b1af04d7c41be042c648b6dcd796ae9516544f9ff91a26211b1f56550d0e7c4f78e7bda5853ef29c2

Download Submit
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
\Users\Admin\AppData\Local\Temp\freebl3.dll

Filesize
326KB

MD5
ef12ab9d0b231b8f898067b2114b1bc0

SHA1
6d90f27b2105945f9bb77039e8b892070a5f9442

SHA256
2b00fc4f541ac10c94e3556ff28e30a801811c36422546a546a445aca3f410f7

SHA512
2aa62bfba556ad8f042942dd25aa071ff6677c257904377c1ec956fd9e862abcbf379e0cfd8c630c303a32ece75618c24e3eef58bddb705c427985b944689193

Download Submit
\Users\Admin\AppData\Local\Temp\mozglue.dll

Filesize
133KB

MD5
75f8cc548cabf0cc800c25047e4d3124

SHA1
602676768f9faecd35b48c38a0632781dfbde10c

SHA256
fb419a60305f17359e2ac0510233ee80e845885eee60607715c67dd88e501ef0

SHA512
ed831c9c769aef3be253c52542cf032afa0a8fa5fe25ca704db65ee6883c608220df7102ac2b99ee9c2e599a0f5db99fd86894a4b169e68440eb1b0d0012672f

Download Submit
\Users\Admin\AppData\Local\Temp\msvcp140.dll

Filesize
429KB

MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

Download Submit
\Users\Admin\AppData\Local\Temp\nss3.dll

Filesize
1.2MB

MD5
d7858e8449004e21b01d468e9fd04b82

SHA1
9524352071ede21c167e7e4f106e9526dc23ef4e

SHA256
78758bf7f3b3b5e3477e38354acd32d787bc1286c8bd9b873471b9c195e638db

SHA512
1e2c981e6c0ca36c60c6e9cae9548b866d5c524df837095b30d618d9c322def7134c20de820105400dd1b58076b66d90274f67773ac6ba914f611b419babb440

Download Submit
\Users\Admin\AppData\Local\Temp\softokn3.dll

Filesize
141KB

MD5
471c983513694ac3002590345f2be0da

SHA1
6612b9af4ff6830fa9b7d4193078434ef72f775b

SHA256
bb3ff746471116c6ad0339fa0522aa2a44a787e33a29c7b27649a054ecd4d00f

SHA512
a9b0fb923bc3b567e933de10b141a3e9213640e3d790b4c4d753cf220d55593ae8026102909969ba6bfc22da3b2fcd01e30a9f5a74bd14a0fdec9beaf0fb1410

Download Submit
\Users\Admin\AppData\Local\Temp\vcruntime140.dll

Filesize
81KB

MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

Download Submit
memory/316-67-0x0000000000400000-0x0000000000554000-memory.dmp

Filesize
1.3MB

Download
memory/316-68-0x0000000000405CE2-mapping.dmp

Download
memory/316-71-0x0000000000400000-0x0000000000554000-memory.dmp

Filesize
1.3MB

Download
memory/316-72-0x0000000000400000-0x0000000000554000-memory.dmp

Filesize
1.3MB

Download
memory/316-73-0x0000000003820000-0x00000000038A4000-memory.dmp

Filesize
528KB

Download
memory/316-65-0x0000000000400000-0x0000000000554000-memory.dmp

Filesize
1.3MB

Download
memory/908-54-0x0000000075C81000-0x0000000075C83000-memory.dmp

Filesize
8KB

Download
memory/908-55-0x0000000000760000-0x000000000078C000-memory.dmp

Filesize
176KB

Download
memory/1716-63-0x0000000073060000-0x000000007360B000-memory.dmp

Filesize
5.7MB

Download
memory/1716-61-0x0000000073060000-0x000000007360B000-memory.dmp

Filesize
5.7MB

Download
memory/1716-59-0x0000000000000000-mapping.dmp

Download
memory/1736-57-0x0000000000000000-mapping.dmp

Download