tinba | 1e39573e30db15aab15b100bbba2fddf828415d89212483aa51c0cf1504470d0

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 16:30

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General

Target

1e39573e30db15aab15b100bbba2fddf828415d89212483aa51c0cf1504470d0.exe
Size

610KB
MD5

2568ee8f4f3585ef5040209ea6c19016
SHA1

fae719be94fbcd89ab4790633b7648e206788a95
SHA256

1e39573e30db15aab15b100bbba2fddf828415d89212483aa51c0cf1504470d0
SHA512

47e766268b65b666a7a468d3263849cf0b8cb0c95d0e0fc8c040511407ae6d77e7d29fb36198eecad938a7a070546d2fb5a1e4d2a67436abb1bbda01d010b094
SSDEEP

12288:ZATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:bT+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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\59A4FA84 = "C:\\Users\\Admin\\AppData\\Roaming\\59A4FA84\\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	1e39573e30db15aab15b100bbba2fddf828415d89212483aa51c0cf1504470d0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe
2896	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2896	winver.exe
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1500 wrote to memory of 2896	1500	1e39573e30db15aab15b100bbba2fddf828415d89212483aa51c0cf1504470d0.exe	31
PID 1500 wrote to memory of 2896	1500	1e39573e30db15aab15b100bbba2fddf828415d89212483aa51c0cf1504470d0.exe	31
PID 1500 wrote to memory of 2896	1500	1e39573e30db15aab15b100bbba2fddf828415d89212483aa51c0cf1504470d0.exe	31
PID 1500 wrote to memory of 2896	1500	1e39573e30db15aab15b100bbba2fddf828415d89212483aa51c0cf1504470d0.exe	31
PID 1500 wrote to memory of 2896	1500	1e39573e30db15aab15b100bbba2fddf828415d89212483aa51c0cf1504470d0.exe	31
PID 2896 wrote to memory of 1188	2896	winver.exe	21
PID 2896 wrote to memory of 1088	2896	winver.exe	19
PID 2896 wrote to memory of 1164	2896	winver.exe	20
PID 2896 wrote to memory of 1188	2896	winver.exe	21
PID 2896 wrote to memory of 1316	2896	winver.exe	23
PID 2896 wrote to memory of 1500	2896	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1088

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1188
- C:\Users\Admin\AppData\Local\Temp\1e39573e30db15aab15b100bbba2fddf828415d89212483aa51c0cf1504470d0.exe
  "C:\Users\Admin\AppData\Local\Temp\1e39573e30db15aab15b100bbba2fddf828415d89212483aa51c0cf1504470d0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1500
- - 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:2896

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1316

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/1088-29-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1088-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1164-12-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1164-26-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000002E60000-0x0000000002E66000-memory.dmp

Filesize
24KB

Download
memory/1188-6-0x0000000002E60000-0x0000000002E66000-memory.dmp

Filesize
24KB

Download
memory/1188-27-0x0000000002F30000-0x0000000002F36000-memory.dmp

Filesize
24KB

Download
memory/1188-15-0x0000000002F30000-0x0000000002F36000-memory.dmp

Filesize
24KB

Download
memory/1188-1-0x0000000002E60000-0x0000000002E66000-memory.dmp

Filesize
24KB

Download
memory/1316-18-0x0000000001D40000-0x0000000001D46000-memory.dmp

Filesize
24KB

Download
memory/1316-28-0x0000000001D40000-0x0000000001D46000-memory.dmp

Filesize
24KB

Download
memory/1500-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2896-23-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2896-4-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2896-31-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download