tinba | cbdc572edebb2205a2521c5827748bb93a5648937fffd1a1572c63009d9a7724

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 03:22

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General

Target

cbdc572edebb2205a2521c5827748bb93a5648937fffd1a1572c63009d9a7724.exe
Size

225KB
MD5

67dd76b5a7ec78a59114642f11e5eff1
SHA1

bad8dc33602c09c8325bdff61a8390b6b8eaa503
SHA256

cbdc572edebb2205a2521c5827748bb93a5648937fffd1a1572c63009d9a7724
SHA512

9b4a8050904ce41b875ef000d4cae26d4d5fe9a8c2222f5cf5275461a8d940bf8016c08528a68a6c8e939afdbbdfae1fdbb3c93d8f9145bc9a07c4823485668f
SSDEEP

6144:yA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:yATuTAnKGwUAW3ycQqgX

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\6B726C26 = "C:\\Users\\Admin\\AppData\\Roaming\\6B726C26\\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	cbdc572edebb2205a2521c5827748bb93a5648937fffd1a1572c63009d9a7724.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2864	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2864	2072	cbdc572edebb2205a2521c5827748bb93a5648937fffd1a1572c63009d9a7724.exe	31
PID 2072 wrote to memory of 2864	2072	cbdc572edebb2205a2521c5827748bb93a5648937fffd1a1572c63009d9a7724.exe	31
PID 2072 wrote to memory of 2864	2072	cbdc572edebb2205a2521c5827748bb93a5648937fffd1a1572c63009d9a7724.exe	31
PID 2072 wrote to memory of 2864	2072	cbdc572edebb2205a2521c5827748bb93a5648937fffd1a1572c63009d9a7724.exe	31
PID 2072 wrote to memory of 2864	2072	cbdc572edebb2205a2521c5827748bb93a5648937fffd1a1572c63009d9a7724.exe	31
PID 2864 wrote to memory of 1204	2864	winver.exe	21
PID 2864 wrote to memory of 1100	2864	winver.exe	19
PID 2864 wrote to memory of 1156	2864	winver.exe	20
PID 2864 wrote to memory of 1204	2864	winver.exe	21
PID 2864 wrote to memory of 1664	2864	winver.exe	25
PID 2864 wrote to memory of 2072	2864	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\cbdc572edebb2205a2521c5827748bb93a5648937fffd1a1572c63009d9a7724.exe
  "C:\Users\Admin\AppData\Local\Temp\cbdc572edebb2205a2521c5827748bb93a5648937fffd1a1572c63009d9a7724.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2072
- - 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:2864

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1664

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/1100-27-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1100-9-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1156-12-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1156-26-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1204-15-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1204-6-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1204-1-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1204-29-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1664-18-0x0000000001E00000-0x0000000001E06000-memory.dmp

Filesize
24KB

Download
memory/1664-28-0x0000000001E00000-0x0000000001E06000-memory.dmp

Filesize
24KB

Download
memory/2072-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2864-23-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download
memory/2864-4-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download
memory/2864-31-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download