tinba | 221bb28430ad2691c47a0640a979e6e5af34d34ac2da1e1360639647b4af2131

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 20:47

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General

Target

221bb28430ad2691c47a0640a979e6e5af34d34ac2da1e1360639647b4af2131.exe
Size

225KB
MD5

492cc36b1729bcecd188318cd24f2589
SHA1

f9c447a0309d4a35bbba2d96d20168b683f35263
SHA256

221bb28430ad2691c47a0640a979e6e5af34d34ac2da1e1360639647b4af2131
SHA512

1461722edc3327cb29a4f2e6bc5f74dde29d452229be472fb11632fbb8ceeb290e0366553373faabfdf54cec2225315a194617eb5343891b8b656fd53018aed5
SSDEEP

6144:AA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:AATuTAnKGwUAW3ycQqgf

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\C2B86581 = "C:\\Users\\Admin\\AppData\\Roaming\\C2B86581\\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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	221bb28430ad2691c47a0640a979e6e5af34d34ac2da1e1360639647b4af2131.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2800	winver.exe
1220	Explorer.EXE
1220	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1220	Explorer.EXE
1220	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2800	2136	221bb28430ad2691c47a0640a979e6e5af34d34ac2da1e1360639647b4af2131.exe	30
PID 2136 wrote to memory of 2800	2136	221bb28430ad2691c47a0640a979e6e5af34d34ac2da1e1360639647b4af2131.exe	30
PID 2136 wrote to memory of 2800	2136	221bb28430ad2691c47a0640a979e6e5af34d34ac2da1e1360639647b4af2131.exe	30
PID 2136 wrote to memory of 2800	2136	221bb28430ad2691c47a0640a979e6e5af34d34ac2da1e1360639647b4af2131.exe	30
PID 2136 wrote to memory of 2800	2136	221bb28430ad2691c47a0640a979e6e5af34d34ac2da1e1360639647b4af2131.exe	30
PID 2800 wrote to memory of 1220	2800	winver.exe	21
PID 2800 wrote to memory of 1136	2800	winver.exe	19
PID 2800 wrote to memory of 1188	2800	winver.exe	20
PID 2800 wrote to memory of 1220	2800	winver.exe	21
PID 2800 wrote to memory of 1400	2800	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1136

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1220
- C:\Users\Admin\AppData\Local\Temp\221bb28430ad2691c47a0640a979e6e5af34d34ac2da1e1360639647b4af2131.exe
  "C:\Users\Admin\AppData\Local\Temp\221bb28430ad2691c47a0640a979e6e5af34d34ac2da1e1360639647b4af2131.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2136
- - 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:2800

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1400

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/1136-27-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/1136-11-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/1188-14-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1188-24-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1220-6-0x0000000002460000-0x0000000002466000-memory.dmp

Filesize
24KB

Download
memory/1220-17-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1220-1-0x0000000002460000-0x0000000002466000-memory.dmp

Filesize
24KB

Download
memory/1220-3-0x0000000002460000-0x0000000002466000-memory.dmp

Filesize
24KB

Download
memory/1220-25-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1400-20-0x0000000001BD0000-0x0000000001BD6000-memory.dmp

Filesize
24KB

Download
memory/1400-26-0x0000000001BD0000-0x0000000001BD6000-memory.dmp

Filesize
24KB

Download
memory/2136-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2800-23-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/2800-4-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2800-29-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download