tinba | 49b703b530bcd0ad9cacc9a3399bbeff17e177fc95cc52a5d2e6f54dcea8b953

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
11-12-2024 21:31

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General

Target

49b703b530bcd0ad9cacc9a3399bbeff17e177fc95cc52a5d2e6f54dcea8b953.exe
Size

89KB
MD5

e1bdc651faa879e9518b4c17a10e7518
SHA1

b99f51078bbcd29815c5a354ebf0b7fb31ee0c4c
SHA256

49b703b530bcd0ad9cacc9a3399bbeff17e177fc95cc52a5d2e6f54dcea8b953
SHA512

506b53624edc89d5fa5b05e4310a00ceadf166247346a8b94331d4917379bac02fc1962d16ac3a2909b6ee52e774e6eb730dfce0fceea42b4d8936dd603283c0
SSDEEP

1536:p9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA0:p9o6fK2XqXQwhnHlqQo8Lvy0

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\73D543F1 = "C:\\Users\\Admin\\AppData\\Roaming\\73D543F1\\bin.exe"	winver.exe

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	49b703b530bcd0ad9cacc9a3399bbeff17e177fc95cc52a5d2e6f54dcea8b953.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2500	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 2500	1940	49b703b530bcd0ad9cacc9a3399bbeff17e177fc95cc52a5d2e6f54dcea8b953.exe	31
PID 1940 wrote to memory of 2500	1940	49b703b530bcd0ad9cacc9a3399bbeff17e177fc95cc52a5d2e6f54dcea8b953.exe	31
PID 1940 wrote to memory of 2500	1940	49b703b530bcd0ad9cacc9a3399bbeff17e177fc95cc52a5d2e6f54dcea8b953.exe	31
PID 1940 wrote to memory of 2500	1940	49b703b530bcd0ad9cacc9a3399bbeff17e177fc95cc52a5d2e6f54dcea8b953.exe	31
PID 1940 wrote to memory of 2500	1940	49b703b530bcd0ad9cacc9a3399bbeff17e177fc95cc52a5d2e6f54dcea8b953.exe	31
PID 2500 wrote to memory of 1196	2500	winver.exe	21
PID 2500 wrote to memory of 1104	2500	winver.exe	19
PID 2500 wrote to memory of 1168	2500	winver.exe	20
PID 2500 wrote to memory of 1196	2500	winver.exe	21
PID 2500 wrote to memory of 1428	2500	winver.exe	25
PID 2500 wrote to memory of 1940	2500	winver.exe	30

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\49b703b530bcd0ad9cacc9a3399bbeff17e177fc95cc52a5d2e6f54dcea8b953.exe
  "C:\Users\Admin\AppData\Local\Temp\49b703b530bcd0ad9cacc9a3399bbeff17e177fc95cc52a5d2e6f54dcea8b953.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1940
- - 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:2500

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1428

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1104-29-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1104-16-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1168-28-0x0000000077281000-0x0000000077282000-memory.dmp

Filesize
4KB

Download
memory/1168-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-27-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/1196-12-0x0000000077281000-0x0000000077282000-memory.dmp

Filesize
4KB

Download
memory/1196-22-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1196-5-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/1196-1-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/1196-30-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1428-24-0x0000000001F70000-0x0000000001F76000-memory.dmp

Filesize
24KB

Download
memory/1428-31-0x0000000001F70000-0x0000000001F76000-memory.dmp

Filesize
24KB

Download
memory/1428-32-0x0000000077281000-0x0000000077282000-memory.dmp

Filesize
4KB

Download
memory/1940-0-0x00000000003C0000-0x00000000003C2000-memory.dmp

Filesize
8KB

Download
memory/1940-6-0x0000000002400000-0x0000000002E00000-memory.dmp

Filesize
10.0MB

Download
memory/1940-14-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1940-33-0x0000000002400000-0x0000000002E00000-memory.dmp

Filesize
10.0MB

Download
memory/2500-13-0x0000000077230000-0x00000000773D9000-memory.dmp

Filesize
1.7MB

Download
memory/2500-7-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2500-8-0x0000000077430000-0x0000000077431000-memory.dmp

Filesize
4KB

Download
memory/2500-9-0x000000007742F000-0x0000000077430000-memory.dmp

Filesize
4KB

Download
memory/2500-10-0x000000007742F000-0x0000000077431000-memory.dmp

Filesize
8KB

Download
memory/2500-11-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2500-3-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2500-34-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download