tinba | eaa388c863a9c94aa757355652daea08b2e2301054d3c1ca20b58976b67b4bb7

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24/02/2025, 11:40

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General

Target

eaa388c863a9c94aa757355652daea08b2e2301054d3c1ca20b58976b67b4bb7.exe
Size

89KB
MD5

2eedabfc3183f57e7cdbc44daa87edd7
SHA1

015872f9ad67a7ea393f2cb0bc4546c3cc60a334
SHA256

eaa388c863a9c94aa757355652daea08b2e2301054d3c1ca20b58976b67b4bb7
SHA512

779564ce7c33ee86e8c679399f4b1df46e118bfcca38f8b07533b0e6a79ec6009031a187b5ae6339135ef81eedd7f8e12e7568956e99399713ca373b7be3879c
SSDEEP

1536:Y9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA0:Y9o6fK2XqXQwhnHlqQo8Lvy0

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\96BB6104 = "C:\\Users\\Admin\\AppData\\Roaming\\96BB6104\\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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eaa388c863a9c94aa757355652daea08b2e2301054d3c1ca20b58976b67b4bb7.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1724	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 1724	2556	eaa388c863a9c94aa757355652daea08b2e2301054d3c1ca20b58976b67b4bb7.exe	31
PID 2556 wrote to memory of 1724	2556	eaa388c863a9c94aa757355652daea08b2e2301054d3c1ca20b58976b67b4bb7.exe	31
PID 2556 wrote to memory of 1724	2556	eaa388c863a9c94aa757355652daea08b2e2301054d3c1ca20b58976b67b4bb7.exe	31
PID 2556 wrote to memory of 1724	2556	eaa388c863a9c94aa757355652daea08b2e2301054d3c1ca20b58976b67b4bb7.exe	31
PID 2556 wrote to memory of 1724	2556	eaa388c863a9c94aa757355652daea08b2e2301054d3c1ca20b58976b67b4bb7.exe	31
PID 1724 wrote to memory of 1156	1724	winver.exe	21
PID 1724 wrote to memory of 1048	1724	winver.exe	17
PID 1724 wrote to memory of 1096	1724	winver.exe	19
PID 1724 wrote to memory of 1156	1724	winver.exe	21
PID 1724 wrote to memory of 1016	1724	winver.exe	25
PID 1724 wrote to memory of 2556	1724	winver.exe	30

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1048

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1096

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1156
- C:\Users\Admin\AppData\Local\Temp\eaa388c863a9c94aa757355652daea08b2e2301054d3c1ca20b58976b67b4bb7.exe
  "C:\Users\Admin\AppData\Local\Temp\eaa388c863a9c94aa757355652daea08b2e2301054d3c1ca20b58976b67b4bb7.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2556
- - 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:1724

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1016

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/1016-30-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1016-23-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1016-31-0x0000000077331000-0x0000000077332000-memory.dmp

Filesize
4KB

Download
memory/1048-27-0x0000000077331000-0x0000000077332000-memory.dmp

Filesize
4KB

Download
memory/1048-26-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/1048-15-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/1096-18-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1096-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1156-1-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1156-29-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1156-5-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1156-12-0x0000000077331000-0x0000000077332000-memory.dmp

Filesize
4KB

Download
memory/1156-2-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1156-21-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1724-13-0x00000000772E0000-0x0000000077489000-memory.dmp

Filesize
1.7MB

Download
memory/1724-7-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1724-8-0x00000000774E0000-0x00000000774E1000-memory.dmp

Filesize
4KB

Download
memory/1724-9-0x00000000774DF000-0x00000000774E0000-memory.dmp

Filesize
4KB

Download
memory/1724-10-0x00000000774DF000-0x00000000774E1000-memory.dmp

Filesize
8KB

Download
memory/1724-11-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/1724-3-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1724-38-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2556-25-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2556-0-0x00000000001D0000-0x00000000001D2000-memory.dmp

Filesize
8KB

Download
memory/2556-6-0x00000000024F0000-0x0000000002EF0000-memory.dmp

Filesize
10.0MB

Download
memory/2556-37-0x00000000024F0000-0x0000000002EF0000-memory.dmp

Filesize
10.0MB

Download