tinba | cdc53b65b5fd8ab071d8be43f7e02da26539b24423a104c7cb088622d1362c24

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
09/01/2025, 03:11

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General

Target

cdc53b65b5fd8ab071d8be43f7e02da26539b24423a104c7cb088622d1362c24.exe
Size

45KB
MD5

e65a406efbf03fa7849601b40fcbacbf
SHA1

24bd8760a0dc797db9ec6f2f69fa2a53ff34423a
SHA256

cdc53b65b5fd8ab071d8be43f7e02da26539b24423a104c7cb088622d1362c24
SHA512

134ab82ade829e1337999ba06c3094100278e1d73e0ca4d6b3439dea42119373e44a300d74741dd3e460ce2d995248b93f3f00b98383ab2dcfb4caafaa385a2f
SSDEEP

768:whP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2t:MsWE9N5dFu53dsniQaB/xZ14n7zIF+qR

Score

10^/10

tinba banker discovery persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba
Tinba family
tinba

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\48E72BA0 = "C:\\Users\\Admin\\AppData\\Roaming\\48E72BA0\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2732-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 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	cdc53b65b5fd8ab071d8be43f7e02da26539b24423a104c7cb088622d1362c24.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2744	winver.exe
1240	Explorer.EXE
1240	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1240	Explorer.EXE
1240	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 2744	2732	cdc53b65b5fd8ab071d8be43f7e02da26539b24423a104c7cb088622d1362c24.exe	31
PID 2732 wrote to memory of 2744	2732	cdc53b65b5fd8ab071d8be43f7e02da26539b24423a104c7cb088622d1362c24.exe	31
PID 2732 wrote to memory of 2744	2732	cdc53b65b5fd8ab071d8be43f7e02da26539b24423a104c7cb088622d1362c24.exe	31
PID 2732 wrote to memory of 2744	2732	cdc53b65b5fd8ab071d8be43f7e02da26539b24423a104c7cb088622d1362c24.exe	31
PID 2732 wrote to memory of 2744	2732	cdc53b65b5fd8ab071d8be43f7e02da26539b24423a104c7cb088622d1362c24.exe	31
PID 2744 wrote to memory of 1240	2744	winver.exe	21
PID 2744 wrote to memory of 1104	2744	winver.exe	19
PID 2744 wrote to memory of 1204	2744	winver.exe	20
PID 2744 wrote to memory of 1240	2744	winver.exe	21
PID 2744 wrote to memory of 1364	2744	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1204

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1240
- C:\Users\Admin\AppData\Local\Temp\cdc53b65b5fd8ab071d8be43f7e02da26539b24423a104c7cb088622d1362c24.exe
  "C:\Users\Admin\AppData\Local\Temp\cdc53b65b5fd8ab071d8be43f7e02da26539b24423a104c7cb088622d1362c24.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2732
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2744

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1364

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1104-29-0x0000000001C60000-0x0000000001C66000-memory.dmp

Filesize
24KB

Download
memory/1204-21-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1204-27-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1204-28-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1240-3-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/1240-30-0x0000000002240000-0x0000000002246000-memory.dmp

Filesize
24KB

Download
memory/1240-10-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1240-2-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/1240-4-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/1240-23-0x0000000002240000-0x0000000002246000-memory.dmp

Filesize
24KB

Download
memory/1364-31-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1364-26-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1364-32-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/2732-13-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2732-14-0x0000000001E50000-0x0000000002850000-memory.dmp

Filesize
10.0MB

Download
memory/2732-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2732-5-0x0000000001E50000-0x0000000002850000-memory.dmp

Filesize
10.0MB

Download
memory/2732-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2744-6-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2744-7-0x00000000777E0000-0x00000000777E1000-memory.dmp

Filesize
4KB

Download
memory/2744-8-0x00000000777DF000-0x00000000777E0000-memory.dmp

Filesize
4KB

Download
memory/2744-9-0x00000000777DF000-0x00000000777E1000-memory.dmp

Filesize
8KB

Download
memory/2744-11-0x00000000775E0000-0x0000000077789000-memory.dmp

Filesize
1.7MB

Download
memory/2744-33-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2744-38-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download