tinba | 75f7e4de6d7909c517af39ab399c201b696dabeb66e0260def000e9d583b7db1

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-02-2025 12:04

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General

Target

75f7e4de6d7909c517af39ab399c201b696dabeb66e0260def000e9d583b7db1N.exe
Size

88KB
MD5

092a03e2048c6ab40a4a42ffc4762cb0
SHA1

dac7bf2b4842d16641504092d4b97d995c6c6315
SHA256

75f7e4de6d7909c517af39ab399c201b696dabeb66e0260def000e9d583b7db1
SHA512

f3d0e29b438e9418b6d88af297e416c3dc85b291a0864eef0f6824e9f1e8ee88c8ebbd7706fa15643b79456a4a9a70963f99c01e809673c05fe483a5093eda6c
SSDEEP

1536:tPx+riFFG1g3K6KUm3wEeQqjh+rmKVsNV:TYdsFE2jwqWsNV

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\3F29B6F5 = "C:\\Users\\Admin\\AppData\\Roaming\\3F29B6F5\\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	75f7e4de6d7909c517af39ab399c201b696dabeb66e0260def000e9d583b7db1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2568	winver.exe
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2568	2440	75f7e4de6d7909c517af39ab399c201b696dabeb66e0260def000e9d583b7db1N.exe	29
PID 2440 wrote to memory of 2568	2440	75f7e4de6d7909c517af39ab399c201b696dabeb66e0260def000e9d583b7db1N.exe	29
PID 2440 wrote to memory of 2568	2440	75f7e4de6d7909c517af39ab399c201b696dabeb66e0260def000e9d583b7db1N.exe	29
PID 2440 wrote to memory of 2568	2440	75f7e4de6d7909c517af39ab399c201b696dabeb66e0260def000e9d583b7db1N.exe	29
PID 2440 wrote to memory of 2568	2440	75f7e4de6d7909c517af39ab399c201b696dabeb66e0260def000e9d583b7db1N.exe	29
PID 2568 wrote to memory of 1192	2568	winver.exe	21
PID 2568 wrote to memory of 1112	2568	winver.exe	19
PID 2568 wrote to memory of 1164	2568	winver.exe	20
PID 2568 wrote to memory of 1192	2568	winver.exe	21
PID 2568 wrote to memory of 1188	2568	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

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:1192
- C:\Users\Admin\AppData\Local\Temp\75f7e4de6d7909c517af39ab399c201b696dabeb66e0260def000e9d583b7db1N.exe
  "C:\Users\Admin\AppData\Local\Temp\75f7e4de6d7909c517af39ab399c201b696dabeb66e0260def000e9d583b7db1N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2440
- - 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:2568

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1188

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/1112-27-0x00000000779B1000-0x00000000779B2000-memory.dmp

Filesize
4KB

Download
memory/1112-26-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/1164-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1164-31-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1188-29-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1188-30-0x00000000779B1000-0x00000000779B2000-memory.dmp

Filesize
4KB

Download
memory/1188-25-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1192-1-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1192-9-0x00000000779B1000-0x00000000779B2000-memory.dmp

Filesize
4KB

Download
memory/1192-28-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1192-22-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/2440-4-0x0000000001F10000-0x0000000002910000-memory.dmp

Filesize
10.0MB

Download
memory/2440-12-0x0000000001F10000-0x0000000002910000-memory.dmp

Filesize
10.0MB

Download
memory/2440-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2440-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2568-5-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2568-8-0x0000000077B5F000-0x0000000077B61000-memory.dmp

Filesize
8KB

Download
memory/2568-10-0x0000000077960000-0x0000000077B09000-memory.dmp

Filesize
1.7MB

Download
memory/2568-7-0x0000000077B5F000-0x0000000077B60000-memory.dmp

Filesize
4KB

Download
memory/2568-6-0x0000000077B60000-0x0000000077B61000-memory.dmp

Filesize
4KB

Download
memory/2568-32-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download