tinba | 3b01742f0cef4ceac72788cf4023be4dee735619898b5d407cd91c8eddc4e625

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
17/08/2024, 05:00

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General

Target

d72ef93b3140a70c670259d6caf438c0N.exe
Size

98KB
MD5

d72ef93b3140a70c670259d6caf438c0
SHA1

d351f41b9be06d995bc537ed240bdb352e8f2858
SHA256

3b01742f0cef4ceac72788cf4023be4dee735619898b5d407cd91c8eddc4e625
SHA512

5cbe2c698c52c13b19f50f0823a09a589165daa7d9d444e09a5c5667f477eefd93901c530d443e766078345df50c75a31c8c8bc59ece3d9133eaee2c9b5bd29c
SSDEEP

768:5+6p+OMlgGMCWhfDzU7f7JDgi9I57+sByZ+XsfXpwtG9ipelU9JF:5+mFM2HXKZgi9Iksu+XM57ipeq9JF

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-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\44BED0F3 = "C:\\Users\\Admin\\AppData\\Roaming\\44BED0F3\\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	d72ef93b3140a70c670259d6caf438c0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1780	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 1780	2692	d72ef93b3140a70c670259d6caf438c0N.exe	31
PID 2692 wrote to memory of 1780	2692	d72ef93b3140a70c670259d6caf438c0N.exe	31
PID 2692 wrote to memory of 1780	2692	d72ef93b3140a70c670259d6caf438c0N.exe	31
PID 2692 wrote to memory of 1780	2692	d72ef93b3140a70c670259d6caf438c0N.exe	31
PID 2692 wrote to memory of 1780	2692	d72ef93b3140a70c670259d6caf438c0N.exe	31
PID 1780 wrote to memory of 1228	1780	winver.exe	21
PID 1780 wrote to memory of 1116	1780	winver.exe	19
PID 1780 wrote to memory of 1188	1780	winver.exe	20
PID 1780 wrote to memory of 1228	1780	winver.exe	21
PID 1780 wrote to memory of 1684	1780	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1188

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1228
- C:\Users\Admin\AppData\Local\Temp\d72ef93b3140a70c670259d6caf438c0N.exe
  "C:\Users\Admin\AppData\Local\Temp\d72ef93b3140a70c670259d6caf438c0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2692
- - 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:1780

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1684

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/1116-24-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1116-25-0x0000000077CF1000-0x0000000077CF2000-memory.dmp

Filesize
4KB

Download
memory/1188-19-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1188-30-0x0000000077CF1000-0x0000000077CF2000-memory.dmp

Filesize
4KB

Download
memory/1188-32-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1188-29-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1228-1-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1228-9-0x0000000077CF1000-0x0000000077CF2000-memory.dmp

Filesize
4KB

Download
memory/1228-26-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/1228-2-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1228-21-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/1228-3-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1684-27-0x0000000001D90000-0x0000000001D96000-memory.dmp

Filesize
24KB

Download
memory/1684-28-0x0000000077CF1000-0x0000000077CF2000-memory.dmp

Filesize
4KB

Download
memory/1684-23-0x0000000001D90000-0x0000000001D96000-memory.dmp

Filesize
24KB

Download
memory/1780-10-0x0000000077CA0000-0x0000000077E49000-memory.dmp

Filesize
1.7MB

Download
memory/1780-31-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/1780-6-0x0000000077EA0000-0x0000000077EA1000-memory.dmp

Filesize
4KB

Download
memory/1780-7-0x0000000077E9F000-0x0000000077EA0000-memory.dmp

Filesize
4KB

Download
memory/1780-8-0x0000000077E9F000-0x0000000077EA1000-memory.dmp

Filesize
8KB

Download
memory/1780-5-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2692-12-0x0000000001D90000-0x0000000002790000-memory.dmp

Filesize
10.0MB

Download
memory/2692-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2692-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2692-4-0x0000000001D90000-0x0000000002790000-memory.dmp

Filesize
10.0MB

Download