redline | a52ee89e6dcfda0175f9dca3fadbba5ca881e590aab6e3f2e2122c7897633245

Analysis

max time kernel
41s
max time network
39s
platform
windows11-21h2_x64
resource
win11-20250619-en
resource tags

arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
submitted
23/07/2025, 17:21

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General

Target
usdt flash sender 2.exe
Size 912KB
Sample250723-vxbrvaythy
SHA256 a52ee89e6dcfda0175f9dca3fadbba5ca881e590aab6e3f2e2122c7897633245
MD5 253ae1c7fb30eff31bf7b066c76bd709
SHA1 a94051d962083ecb0c2d0b5593d065b26b50802f
SHA512 fd4263a0a3e4a10d723251b23fac6296f906e4e6fcb55b0c8ef2d7683724f014e90e35bd9fb0d875c3393eb3f72f205a6e0cd9d98d211910173d4489d3db4b63
SSDEEP 12288:MzxzTDWikLSb4NS79EmpJWSbeZHXOH7VRVoq4mjleKvavmGfVettLyxXnrsObATx:KDWHSb4NPeWSbeZ0B1460fA8VrhATx
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

redline usdt-flash 2.0 defense_evasion discovery infostealer spyware trojan

Malware Config

Extracted

Family

redline

Botnet

usdt-flash 2.0

109.248.201.180:7500

Signatures

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 1 IoCs

resource	yara_rule
behavioral1/memory/680-33-0x0000000000400000-0x0000000000452000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
3932	Isoclinal.exe
1100	Flash Usdt Sender main.exe
680	Isoclinal.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3932 set thread context of 680	3932	Isoclinal.exe	80

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Isoclinal.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Flash Usdt Sender main.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Isoclinal.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	usdt flash sender 2.exe

Modifies registry class 34 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings	Flash Usdt Sender main.exe
Key created	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	Flash Usdt Sender main.exe
Key created	\Registry\User\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\NotificationData	Flash Usdt Sender main.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\FFlags = "1092616257"	Flash Usdt Sender main.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByKey:PID = "0"	Flash Usdt Sender main.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff	Flash Usdt Sender main.exe
Key created	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	Flash Usdt Sender main.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	Flash Usdt Sender main.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Documents"	Flash Usdt Sender main.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	Flash Usdt Sender main.exe
Key created	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	Flash Usdt Sender main.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000	Flash Usdt Sender main.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupView = "0"	Flash Usdt Sender main.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	Flash Usdt Sender main.exe
Key created	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	Flash Usdt Sender main.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\LogicalViewMode = "1"	Flash Usdt Sender main.exe
Key created	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	Flash Usdt Sender main.exe
Key created	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Flash Usdt Sender main.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\IconSize = "16"	Flash Usdt Sender main.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000009000000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000	Flash Usdt Sender main.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\FFlags = "1"	Flash Usdt Sender main.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	Flash Usdt Sender main.exe
Key created	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	Flash Usdt Sender main.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 14002e80922b16d365937a46956b92703aca08af0000	Flash Usdt Sender main.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	Flash Usdt Sender main.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\Mode = "4"	Flash Usdt Sender main.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	Flash Usdt Sender main.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1"	Flash Usdt Sender main.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Flash Usdt Sender main.exe
Key created	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg	Flash Usdt Sender main.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByDirection = "1"	Flash Usdt Sender main.exe
Key created	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	Flash Usdt Sender main.exe
Key created	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}	Flash Usdt Sender main.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}"	Flash Usdt Sender main.exe

Modifies system certificate store 2 TTPs 2 IoCs

defense_evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\F1A578C4CB5DE79A370893983FD4DA8B67B2B064	Isoclinal.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\F1A578C4CB5DE79A370893983FD4DA8B67B2B064\Blob = 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	Isoclinal.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1100	Flash Usdt Sender main.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3932	Isoclinal.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1100	Flash Usdt Sender main.exe
1100	Flash Usdt Sender main.exe
1100	Flash Usdt Sender main.exe
1100	Flash Usdt Sender main.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 5656 wrote to memory of 3932	5656	usdt flash sender 2.exe	78
PID 5656 wrote to memory of 3932	5656	usdt flash sender 2.exe	78
PID 5656 wrote to memory of 3932	5656	usdt flash sender 2.exe	78
PID 5656 wrote to memory of 1100	5656	usdt flash sender 2.exe	79
PID 5656 wrote to memory of 1100	5656	usdt flash sender 2.exe	79
PID 5656 wrote to memory of 1100	5656	usdt flash sender 2.exe	79
PID 3932 wrote to memory of 680	3932	Isoclinal.exe	80
PID 3932 wrote to memory of 680	3932	Isoclinal.exe	80
PID 3932 wrote to memory of 680	3932	Isoclinal.exe	80
PID 3932 wrote to memory of 680	3932	Isoclinal.exe	80
PID 3932 wrote to memory of 680	3932	Isoclinal.exe	80
PID 3932 wrote to memory of 680	3932	Isoclinal.exe	80
PID 3932 wrote to memory of 680	3932	Isoclinal.exe	80
PID 3932 wrote to memory of 680	3932	Isoclinal.exe	80

C:\Users\Admin\AppData\Local\Temp\usdt flash sender 2.exe
"C:\Users\Admin\AppData\Local\Temp\usdt flash sender 2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5656
- C:\Users\Admin\AppData\Local\Temp\Isoclinal.exe
  "C:\Users\Admin\AppData\Local\Temp\Isoclinal.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3932
- - C:\Users\Admin\AppData\Local\Temp\Isoclinal.exe
    C:\Users\Admin\AppData\Local\Temp\Isoclinal.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Modifies system certificate store
    PID:680
- C:\Users\Admin\AppData\Local\Temp\Flash Usdt Sender main.exe
  "C:\Users\Admin\AppData\Local\Temp\Flash Usdt Sender main.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:1100

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Flash Usdt Sender main.exe

Path C:\Users\Admin\AppData\Local\Temp\Flash Usdt Sender main.exe
Size 775KB
SHA256 bb4f1530702569f30d807cd81f9298640de6a8e62af3dc2e915a7dcdbf321e93
MD5 812fa2136411f38db8b245a8b0a6950a
SHA1 9ba7e332a475762d694ec00230a6a764565f686f
SHA512 4d53778468122a206185d21f9e39043eeffc2ffb88d9774f22711c7fedc3b357269f180289845792fc53f3057045814fc45e96be37fea4c5db61e1c041a116b0
SSDEEP 24576:fGWSbeGmeoiy7XlHEVVLaGWSbezGWSbeB4RSbe:VX1EVVL
MD5 SHA1 SHA512 SSDEEP

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Isoclinal.exe

Path C:\Users\Admin\AppData\Local\Temp\Isoclinal.exe
Size 517KB
SHA256 3e900cb1bf4195fd946452626229c9b00b58993db3722344d26238d58120a11a
MD5 942e9dc35f5c1721df604b11a5789d73
SHA1 54d902ed95fef503aa7fda344a538290b5178965
SHA512 c846b6c3d28f44e7496f0b70a53ae4cbbe0c9ae08dd5e9ac5173627e3b0b3c909380721fa4d130e7b0af027fcf26e5acb738c9d23ca267d61e2b66711a6b87b2
SSDEEP 6144:+/MovNCQGSMe/qVgg54OMz1p6nALdIGdflXMnn0ED4s83IyWYX6UK3hlRjV1d2D:10NQ5m0gg54rZQ6LZlMnLwqj/R/d2D
MD5 SHA1 SHA512 SSDEEP

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Tmp8E84.tmp

Path C:\Users\Admin\AppData\Local\Temp\Tmp8E84.tmp
Size 2KB
SHA256 f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9
MD5 1420d30f964eac2c85b2ccfe968eebce
SHA1 bdf9a6876578a3e38079c4f8cf5d6c79687ad750
SHA512 6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8
MD5 SHA1 SHA512

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memory/680-33-0x0000000000400000-0x0000000000452000-memory.dmp

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memory/680-58-0x00000000071D0000-0x000000000721C000-memory.dmp

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memory/680-57-0x0000000007060000-0x000000000709C000-memory.dmp

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memory/680-56-0x0000000007000000-0x0000000007012000-memory.dmp

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memory/680-55-0x00000000070C0000-0x00000000071CA000-memory.dmp

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memory/680-54-0x0000000007570000-0x0000000007B88000-memory.dmp

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memory/680-50-0x0000000006E30000-0x0000000006E4E000-memory.dmp

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memory/680-49-0x0000000006560000-0x00000000065D6000-memory.dmp

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memory/1100-27-0x0000000005840000-0x0000000005DE6000-memory.dmp

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memory/1100-31-0x00000000051B0000-0x00000000051BA000-memory.dmp

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memory/1100-32-0x00000000054D0000-0x0000000005526000-memory.dmp

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memory/1100-29-0x00000000051C0000-0x00000000051D0000-memory.dmp

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memory/1100-28-0x0000000005330000-0x00000000053C2000-memory.dmp

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memory/1100-25-0x0000000000790000-0x0000000000858000-memory.dmp

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memory/1100-26-0x00000000051F0000-0x000000000528C000-memory.dmp

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memory/1100-59-0x00000000051C0000-0x00000000051D0000-memory.dmp

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memory/3932-30-0x00000000059A0000-0x00000000059B0000-memory.dmp

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memory/3932-24-0x0000000000FF0000-0x0000000001078000-memory.dmp

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memory/3932-60-0x00000000059A0000-0x00000000059B0000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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