tinba | 61b92eee5107293b84a8ffb9aecf4df341aafc9e1b20d05aac9adaa0154bd4df

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-02-2025 08:24

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General

Target

61b92eee5107293b84a8ffb9aecf4df341aafc9e1b20d05aac9adaa0154bd4dfN.exe
Size

89KB
MD5

1d028bb4ade2e29c83e1365c3d9621a0
SHA1

bcd021fe5f5406a2793b8544570c4bb7233782ec
SHA256

61b92eee5107293b84a8ffb9aecf4df341aafc9e1b20d05aac9adaa0154bd4df
SHA512

520ec6b015e05247a66a7671d5b41499eabd17ff21d500632250522c0faa7a3575008bde10d4e5d57fae6f48276efec2e995d3ceb0f6fb2663c4948fab2911e9
SSDEEP

1536:S9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:S9o6fK2XqXQwhnHlqQo8Lvy

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\02D6158C = "C:\\Users\\Admin\\AppData\\Roaming\\02D6158C\\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	61b92eee5107293b84a8ffb9aecf4df341aafc9e1b20d05aac9adaa0154bd4dfN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe
1748	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1748	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 1748	540	61b92eee5107293b84a8ffb9aecf4df341aafc9e1b20d05aac9adaa0154bd4dfN.exe	31
PID 540 wrote to memory of 1748	540	61b92eee5107293b84a8ffb9aecf4df341aafc9e1b20d05aac9adaa0154bd4dfN.exe	31
PID 540 wrote to memory of 1748	540	61b92eee5107293b84a8ffb9aecf4df341aafc9e1b20d05aac9adaa0154bd4dfN.exe	31
PID 540 wrote to memory of 1748	540	61b92eee5107293b84a8ffb9aecf4df341aafc9e1b20d05aac9adaa0154bd4dfN.exe	31
PID 540 wrote to memory of 1748	540	61b92eee5107293b84a8ffb9aecf4df341aafc9e1b20d05aac9adaa0154bd4dfN.exe	31
PID 1748 wrote to memory of 1220	1748	winver.exe	21
PID 1748 wrote to memory of 1120	1748	winver.exe	19
PID 1748 wrote to memory of 1176	1748	winver.exe	20
PID 1748 wrote to memory of 1220	1748	winver.exe	21
PID 1748 wrote to memory of 1104	1748	winver.exe	23
PID 1748 wrote to memory of 540	1748	winver.exe	30

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1220
- C:\Users\Admin\AppData\Local\Temp\61b92eee5107293b84a8ffb9aecf4df341aafc9e1b20d05aac9adaa0154bd4dfN.exe
  "C:\Users\Admin\AppData\Local\Temp\61b92eee5107293b84a8ffb9aecf4df341aafc9e1b20d05aac9adaa0154bd4dfN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:540
- - 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:1748

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1104

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/540-14-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/540-34-0x0000000002510000-0x0000000002F10000-memory.dmp

Filesize
10.0MB

Download
memory/540-6-0x0000000002510000-0x0000000002F10000-memory.dmp

Filesize
10.0MB

Download
memory/540-0-0x00000000001D0000-0x00000000001D2000-memory.dmp

Filesize
8KB

Download
memory/1104-31-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/1104-32-0x0000000077181000-0x0000000077182000-memory.dmp

Filesize
4KB

Download
memory/1104-25-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/1120-28-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1120-29-0x0000000077181000-0x0000000077182000-memory.dmp

Filesize
4KB

Download
memory/1176-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1176-33-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1220-12-0x0000000077181000-0x0000000077182000-memory.dmp

Filesize
4KB

Download
memory/1220-2-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1220-1-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1220-5-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1220-23-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1220-30-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1748-11-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download
memory/1748-13-0x0000000077130000-0x00000000772D9000-memory.dmp

Filesize
1.7MB

Download
memory/1748-10-0x000000007732F000-0x0000000077331000-memory.dmp

Filesize
8KB

Download
memory/1748-9-0x000000007732F000-0x0000000077330000-memory.dmp

Filesize
4KB

Download
memory/1748-7-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1748-3-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1748-8-0x0000000077330000-0x0000000077331000-memory.dmp

Filesize
4KB

Download
memory/1748-36-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download