tinba | 175de7d762b2dbae230d2d6af2d621af4f042f55fa7b7677e0ecd65e4023983e

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 10:35

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General

Target

175de7d762b2dbae230d2d6af2d621af4f042f55fa7b7677e0ecd65e4023983eN.exe
Size

52KB
MD5

5809a460289d60c84925ac5cd8d073d0
SHA1

db50b28117447b347b34e5a055e42b9728bed5d0
SHA256

175de7d762b2dbae230d2d6af2d621af4f042f55fa7b7677e0ecd65e4023983e
SHA512

2eb31e62368dd0cea219d06d4c7a6c4116d568b026d41690c1f2bc862f3393ec3d011252a431507ac358aa5be32174aaafa6bd8e3cda170e5b8e561d2f000042
SSDEEP

768:mvC6RMtZNZUXeb4fXDR2JVDDISp8m7DM3pIg4LqTTUUnGg7O1/l9Jq/:emZNZUXeQXFhS6sM3prUSGg7O1d9Ja

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\7EF226D7 = "C:\\Users\\Admin\\AppData\\Roaming\\7EF226D7\\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	175de7d762b2dbae230d2d6af2d621af4f042f55fa7b7677e0ecd65e4023983eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2616	winver.exe
1100	Explorer.EXE
1100	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1100	Explorer.EXE
1100	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 2616	2464	175de7d762b2dbae230d2d6af2d621af4f042f55fa7b7677e0ecd65e4023983eN.exe	31
PID 2464 wrote to memory of 2616	2464	175de7d762b2dbae230d2d6af2d621af4f042f55fa7b7677e0ecd65e4023983eN.exe	31
PID 2464 wrote to memory of 2616	2464	175de7d762b2dbae230d2d6af2d621af4f042f55fa7b7677e0ecd65e4023983eN.exe	31
PID 2464 wrote to memory of 2616	2464	175de7d762b2dbae230d2d6af2d621af4f042f55fa7b7677e0ecd65e4023983eN.exe	31
PID 2464 wrote to memory of 2616	2464	175de7d762b2dbae230d2d6af2d621af4f042f55fa7b7677e0ecd65e4023983eN.exe	31
PID 2616 wrote to memory of 1100	2616	winver.exe	18
PID 2616 wrote to memory of 1060	2616	winver.exe	17
PID 2616 wrote to memory of 1100	2616	winver.exe	18
PID 2616 wrote to memory of 1120	2616	winver.exe	20
PID 2616 wrote to memory of 468	2616	winver.exe	25

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1060

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1100
- C:\Users\Admin\AppData\Local\Temp\175de7d762b2dbae230d2d6af2d621af4f042f55fa7b7677e0ecd65e4023983eN.exe
  "C:\Users\Admin\AppData\Local\Temp\175de7d762b2dbae230d2d6af2d621af4f042f55fa7b7677e0ecd65e4023983eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2464
- - 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:2616

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

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:468

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/468-25-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/468-32-0x0000000077891000-0x0000000077892000-memory.dmp

Filesize
4KB

Download
memory/468-31-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/1060-27-0x0000000077891000-0x0000000077892000-memory.dmp

Filesize
4KB

Download
memory/1060-26-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1100-28-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1100-19-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1100-3-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

Filesize
24KB

Download
memory/1100-9-0x0000000077891000-0x0000000077892000-memory.dmp

Filesize
4KB

Download
memory/1100-2-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

Filesize
24KB

Download
memory/1100-1-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

Filesize
24KB

Download
memory/1120-22-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1120-29-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/2464-4-0x0000000001E60000-0x0000000002860000-memory.dmp

Filesize
10.0MB

Download
memory/2464-12-0x0000000001E60000-0x0000000002860000-memory.dmp

Filesize
10.0MB

Download
memory/2464-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2464-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2616-5-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2616-10-0x0000000077840000-0x00000000779E9000-memory.dmp

Filesize
1.7MB

Download
memory/2616-8-0x0000000077A3F000-0x0000000077A41000-memory.dmp

Filesize
8KB

Download
memory/2616-6-0x0000000077A40000-0x0000000077A41000-memory.dmp

Filesize
4KB

Download
memory/2616-30-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2616-7-0x0000000077A3F000-0x0000000077A40000-memory.dmp

Filesize
4KB

Download