tinba | 9b62df41c12e8371b841817eae68ed0d45399e6683235403fab632b08140e4cf

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 00:58

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General

Target

9b62df41c12e8371b841817eae68ed0d45399e6683235403fab632b08140e4cf.exe
Size

610KB
MD5

7fc8969575c7dd4b10835aeecd67f4f1
SHA1

08f953c1c77f8f766d8920fcdafc014ba154ca73
SHA256

9b62df41c12e8371b841817eae68ed0d45399e6683235403fab632b08140e4cf
SHA512

8388b380ac8b15c90766da21c61ba5402517f2a691d9c2d9877ba02e1c765914178797b0d2e353437ebe0ef6429cdb1dd9125fe4dd1e7228a55ff27d76391494
SSDEEP

12288:1ATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:fT+KjUdQqboyyWoK1NGqzuhj

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\76384220 = "C:\\Users\\Admin\\AppData\\Roaming\\76384220\\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	9b62df41c12e8371b841817eae68ed0d45399e6683235403fab632b08140e4cf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe
2604	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2604	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 2604	2820	9b62df41c12e8371b841817eae68ed0d45399e6683235403fab632b08140e4cf.exe	30
PID 2820 wrote to memory of 2604	2820	9b62df41c12e8371b841817eae68ed0d45399e6683235403fab632b08140e4cf.exe	30
PID 2820 wrote to memory of 2604	2820	9b62df41c12e8371b841817eae68ed0d45399e6683235403fab632b08140e4cf.exe	30
PID 2820 wrote to memory of 2604	2820	9b62df41c12e8371b841817eae68ed0d45399e6683235403fab632b08140e4cf.exe	30
PID 2820 wrote to memory of 2604	2820	9b62df41c12e8371b841817eae68ed0d45399e6683235403fab632b08140e4cf.exe	30
PID 2604 wrote to memory of 1148	2604	winver.exe	20
PID 2604 wrote to memory of 1060	2604	winver.exe	18
PID 2604 wrote to memory of 1116	2604	winver.exe	19
PID 2604 wrote to memory of 1148	2604	winver.exe	20
PID 2604 wrote to memory of 2040	2604	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1060

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1116

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1148
- C:\Users\Admin\AppData\Local\Temp\9b62df41c12e8371b841817eae68ed0d45399e6683235403fab632b08140e4cf.exe
  "C:\Users\Admin\AppData\Local\Temp\9b62df41c12e8371b841817eae68ed0d45399e6683235403fab632b08140e4cf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2820
- - 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:2604

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2040

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/1060-27-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1060-11-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1116-14-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1116-26-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1148-3-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1148-6-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1148-1-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1148-24-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1148-17-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/2040-25-0x0000000001E50000-0x0000000001E56000-memory.dmp

Filesize
24KB

Download
memory/2040-20-0x0000000001E50000-0x0000000001E56000-memory.dmp

Filesize
24KB

Download
memory/2604-4-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2604-23-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/2604-29-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/2820-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download