tinba | 8829fa0de57142048046cb4d4ff30599d804d58886a2848b5c78893063cc9331

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11/09/2024, 12:39

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General

Target

731b50a9db00916edf1609775e2f7960N.exe
Size

89KB
MD5

731b50a9db00916edf1609775e2f7960
SHA1

9779f3353c5caf8a7b884403a461ea52d80d4212
SHA256

8829fa0de57142048046cb4d4ff30599d804d58886a2848b5c78893063cc9331
SHA512

2c9586f971b7e471a42e42b31ef07020734359a73ab78b2220bb5c3600d8454970e42aea3c7c0804164804842af2868b4290f319898811fe338d21f240124d39
SSDEEP

1536:C9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:C9o6fK2XqXQwhnHlqQo8Lvy

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

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\6F2A1377 = "C:\\Users\\Admin\\AppData\\Roaming\\6F2A1377\\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	731b50a9db00916edf1609775e2f7960N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2084	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2084	2104	731b50a9db00916edf1609775e2f7960N.exe	30
PID 2104 wrote to memory of 2084	2104	731b50a9db00916edf1609775e2f7960N.exe	30
PID 2104 wrote to memory of 2084	2104	731b50a9db00916edf1609775e2f7960N.exe	30
PID 2104 wrote to memory of 2084	2104	731b50a9db00916edf1609775e2f7960N.exe	30
PID 2104 wrote to memory of 2084	2104	731b50a9db00916edf1609775e2f7960N.exe	30
PID 2084 wrote to memory of 1200	2084	winver.exe	21
PID 2084 wrote to memory of 1120	2084	winver.exe	19
PID 2084 wrote to memory of 1168	2084	winver.exe	20
PID 2084 wrote to memory of 1200	2084	winver.exe	21
PID 2084 wrote to memory of 1500	2084	winver.exe	25
PID 2084 wrote to memory of 2104	2084	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\731b50a9db00916edf1609775e2f7960N.exe
  "C:\Users\Admin\AppData\Local\Temp\731b50a9db00916edf1609775e2f7960N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2104
- - 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:2084

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1500

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/1120-30-0x0000000077221000-0x0000000077222000-memory.dmp

Filesize
4KB

Download
memory/1120-32-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1120-15-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1168-17-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-31-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1200-27-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/1200-20-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002CF0000-0x0000000002CF6000-memory.dmp

Filesize
24KB

Download
memory/1200-5-0x0000000002CF0000-0x0000000002CF6000-memory.dmp

Filesize
24KB

Download
memory/1200-12-0x0000000077221000-0x0000000077222000-memory.dmp

Filesize
4KB

Download
memory/1200-1-0x0000000002CF0000-0x0000000002CF6000-memory.dmp

Filesize
24KB

Download
memory/1500-29-0x0000000077221000-0x0000000077222000-memory.dmp

Filesize
4KB

Download
memory/1500-28-0x0000000001E10000-0x0000000001E16000-memory.dmp

Filesize
24KB

Download
memory/1500-23-0x0000000001E10000-0x0000000001E16000-memory.dmp

Filesize
24KB

Download
memory/2084-8-0x00000000773D0000-0x00000000773D1000-memory.dmp

Filesize
4KB

Download
memory/2084-7-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2084-9-0x00000000773CF000-0x00000000773D0000-memory.dmp

Filesize
4KB

Download
memory/2084-10-0x00000000773CF000-0x00000000773D1000-memory.dmp

Filesize
8KB

Download
memory/2084-13-0x00000000771D0000-0x0000000077379000-memory.dmp

Filesize
1.7MB

Download
memory/2084-3-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2084-11-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2084-39-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2104-26-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2104-6-0x00000000025A0000-0x0000000002FA0000-memory.dmp

Filesize
10.0MB

Download
memory/2104-0-0x0000000000240000-0x0000000000242000-memory.dmp

Filesize
8KB

Download
memory/2104-34-0x00000000025A0000-0x0000000002FA0000-memory.dmp

Filesize
10.0MB

Download