tinba | 94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
27-12-2024 00:47

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General

Target

94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5.exe
Size

610KB
MD5

4a2b8ccd27ab418c9c2a51343c694e73
SHA1

0815d4e38248902d257305ca0c0108ef9c85dd05
SHA256

94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5
SHA512

931d7c875d1ab9aad25ef64b879d420bdfc926f6981f47a5c9a53f00ee9c0ce0b68cc36e1d120d3bf4be97a5fe5f60a357260938d03a254e2a4611f1f17992bc
SSDEEP

12288:JATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:LT+KjUdQqboyyWoK1NGqzuhx

Score

10^/10

tinba banker discovery persistence trojan

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\04EED294 = "C:\\Users\\Admin\\AppData\\Roaming\\04EED294\\bin.exe"	winver.exe

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 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	94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2308	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 2308	2880	94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5.exe	30
PID 2880 wrote to memory of 2308	2880	94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5.exe	30
PID 2880 wrote to memory of 2308	2880	94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5.exe	30
PID 2880 wrote to memory of 2308	2880	94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5.exe	30
PID 2880 wrote to memory of 2308	2880	94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5.exe	30
PID 2308 wrote to memory of 1188	2308	winver.exe	21
PID 2308 wrote to memory of 1108	2308	winver.exe	19
PID 2308 wrote to memory of 1160	2308	winver.exe	20
PID 2308 wrote to memory of 1188	2308	winver.exe	21
PID 2308 wrote to memory of 1580	2308	winver.exe	25
PID 2308 wrote to memory of 2880	2308	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188
- C:\Users\Admin\AppData\Local\Temp\94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5.exe
  "C:\Users\Admin\AppData\Local\Temp\94f621007d81fb10019d75b81fd4fecbbe498505198abc0447f604b129f0c4f5.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2880
- - 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:2308

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1580

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 Information Discovery

T1082

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/1108-27-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1108-10-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1160-13-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1160-26-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1188-17-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1188-1-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1188-6-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1188-28-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1580-20-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/1580-29-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/2308-25-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/2308-4-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2308-31-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/2880-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download