tinba | 6c488216effec02caa945bdf07ee891a0aacb90456c54cb5087ccecd47f0f4c2

Analysis

max time kernel
148s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-10-2024 11:05

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General

Target

6c488216effec02caa945bdf07ee891a0aacb90456c54cb5087ccecd47f0f4c2N.exe
Size

225KB
MD5

c94e14f14d8451f199ba04e04bf844b0
SHA1

f639c44df586d1b12c273cfa6f6c2935e945a91b
SHA256

6c488216effec02caa945bdf07ee891a0aacb90456c54cb5087ccecd47f0f4c2
SHA512

95532c96e2ccae313589f4bedd14ac0aa2229d0c5d2ad4787d2302761e4c94972c7c9705baae4ec34566b1a403b84c448724392138131c73e768109be458b6b9
SSDEEP

6144:vA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:vATuTAnKGwUAW3ycQqgf

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

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\CA556AF1 = "C:\\Users\\Admin\\AppData\\Roaming\\CA556AF1\\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	6c488216effec02caa945bdf07ee891a0aacb90456c54cb5087ccecd47f0f4c2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2660	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 2660	2640	6c488216effec02caa945bdf07ee891a0aacb90456c54cb5087ccecd47f0f4c2N.exe	30
PID 2640 wrote to memory of 2660	2640	6c488216effec02caa945bdf07ee891a0aacb90456c54cb5087ccecd47f0f4c2N.exe	30
PID 2640 wrote to memory of 2660	2640	6c488216effec02caa945bdf07ee891a0aacb90456c54cb5087ccecd47f0f4c2N.exe	30
PID 2640 wrote to memory of 2660	2640	6c488216effec02caa945bdf07ee891a0aacb90456c54cb5087ccecd47f0f4c2N.exe	30
PID 2640 wrote to memory of 2660	2640	6c488216effec02caa945bdf07ee891a0aacb90456c54cb5087ccecd47f0f4c2N.exe	30
PID 2660 wrote to memory of 1156	2660	winver.exe	21
PID 2660 wrote to memory of 1064	2660	winver.exe	18
PID 2660 wrote to memory of 1076	2660	winver.exe	19
PID 2660 wrote to memory of 1156	2660	winver.exe	21
PID 2660 wrote to memory of 1460	2660	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1064

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1076

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1156
- C:\Users\Admin\AppData\Local\Temp\6c488216effec02caa945bdf07ee891a0aacb90456c54cb5087ccecd47f0f4c2N.exe
  "C:\Users\Admin\AppData\Local\Temp\6c488216effec02caa945bdf07ee891a0aacb90456c54cb5087ccecd47f0f4c2N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2640
- - 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:2660

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1460

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/1064-24-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1064-11-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1076-14-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1076-26-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1156-1-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1156-17-0x00000000029C0000-0x00000000029C6000-memory.dmp

Filesize
24KB

Download
memory/1156-6-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1156-3-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1156-25-0x00000000029C0000-0x00000000029C6000-memory.dmp

Filesize
24KB

Download
memory/1460-20-0x0000000001D00000-0x0000000001D06000-memory.dmp

Filesize
24KB

Download
memory/1460-27-0x0000000001D00000-0x0000000001D06000-memory.dmp

Filesize
24KB

Download
memory/2640-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2660-23-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2660-4-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2660-29-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download