tinba | 928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 02:00

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General

Target

928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24.exe
Size

225KB
MD5

6d2369498ca981a27e0937ce24dbdd15
SHA1

73fcfa545c6e66c28bce052550b2cac1936c3bd4
SHA256

928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24
SHA512

56802fbc78157c900fe22f678e38528b4a960ea351c2f7600e64707b66ebdbb6b6c146ee42cc36ca67708063449e47485a9bc60a7211c6e94fbee722e079f9c2
SSDEEP

6144:YA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:YATuTAnKGwUAW3ycQqgt

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\BC8C7C81 = "C:\\Users\\Admin\\AppData\\Roaming\\BC8C7C81\\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	928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2908	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 2908	2312	928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24.exe	31
PID 2312 wrote to memory of 2908	2312	928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24.exe	31
PID 2312 wrote to memory of 2908	2312	928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24.exe	31
PID 2312 wrote to memory of 2908	2312	928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24.exe	31
PID 2312 wrote to memory of 2908	2312	928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24.exe	31
PID 2908 wrote to memory of 1224	2908	winver.exe	21
PID 2908 wrote to memory of 1124	2908	winver.exe	19
PID 2908 wrote to memory of 1176	2908	winver.exe	20
PID 2908 wrote to memory of 1224	2908	winver.exe	21
PID 2908 wrote to memory of 1264	2908	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1224
- C:\Users\Admin\AppData\Local\Temp\928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24.exe
  "C:\Users\Admin\AppData\Local\Temp\928116993ed46bb404ac57441af5ec7f60ff9a37259f3da21edfa405f4febe24.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2312
- - 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:2908

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1264

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/1124-11-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1124-24-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1176-26-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1176-14-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1224-6-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/1224-1-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/1224-17-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1224-25-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1224-3-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/1264-20-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/1264-27-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/2312-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2908-23-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2908-5-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2908-29-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download