tinba | f26fac674c56c5c23b71f95eca6c564efbede66d6e6e461dadb564b11920f403

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
20-12-2024 09:10

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General

Target

f26fac674c56c5c23b71f95eca6c564efbede66d6e6e461dadb564b11920f403.exe
Size

225KB
MD5

74bbe7d46cc181dbb913e92b20037978
SHA1

53f19dde5637c51430aad1ae7694b18c3168011f
SHA256

f26fac674c56c5c23b71f95eca6c564efbede66d6e6e461dadb564b11920f403
SHA512

95bd4ceaa39e71673e99599ba9ad1b835fec6a1385cef5fd7e4d3b46641fed328e2fa06df8ec3f3f93597330c6fdfc030cda1670b7a5ec07e0fbc33d99f6bad6
SSDEEP

6144:LA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:LATuTAnKGwUAW3ycQqgf

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\B79F9AD7 = "C:\\Users\\Admin\\AppData\\Roaming\\B79F9AD7\\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	f26fac674c56c5c23b71f95eca6c564efbede66d6e6e461dadb564b11920f403.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2828	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2828	2908	f26fac674c56c5c23b71f95eca6c564efbede66d6e6e461dadb564b11920f403.exe	31
PID 2908 wrote to memory of 2828	2908	f26fac674c56c5c23b71f95eca6c564efbede66d6e6e461dadb564b11920f403.exe	31
PID 2908 wrote to memory of 2828	2908	f26fac674c56c5c23b71f95eca6c564efbede66d6e6e461dadb564b11920f403.exe	31
PID 2908 wrote to memory of 2828	2908	f26fac674c56c5c23b71f95eca6c564efbede66d6e6e461dadb564b11920f403.exe	31
PID 2908 wrote to memory of 2828	2908	f26fac674c56c5c23b71f95eca6c564efbede66d6e6e461dadb564b11920f403.exe	31
PID 2828 wrote to memory of 1052	2828	winver.exe	18
PID 2828 wrote to memory of 1028	2828	winver.exe	17
PID 2828 wrote to memory of 1052	2828	winver.exe	18
PID 2828 wrote to memory of 1088	2828	winver.exe	19
PID 2828 wrote to memory of 1816	2828	winver.exe	25

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1028

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1052
- C:\Users\Admin\AppData\Local\Temp\f26fac674c56c5c23b71f95eca6c564efbede66d6e6e461dadb564b11920f403.exe
  "C:\Users\Admin\AppData\Local\Temp\f26fac674c56c5c23b71f95eca6c564efbede66d6e6e461dadb564b11920f403.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2908
- - 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:2828

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1088

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1816

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

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Downloads

memory/1028-11-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1028-24-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1052-14-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1052-6-0x0000000002620000-0x0000000002626000-memory.dmp

Filesize
24KB

Download
memory/1052-1-0x0000000002620000-0x0000000002626000-memory.dmp

Filesize
24KB

Download
memory/1052-25-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1052-3-0x0000000002620000-0x0000000002626000-memory.dmp

Filesize
24KB

Download
memory/1088-17-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1088-27-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1816-20-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1816-26-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2828-4-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2828-23-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2828-29-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2908-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download