tinba | ce7ce4b8f20625ecc7cc6f376d1d93992f75a95dfa5e265c0705d35b2176daec

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
31-12-2024 13:50

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General

Target

ce7ce4b8f20625ecc7cc6f376d1d93992f75a95dfa5e265c0705d35b2176daec.exe
Size

610KB
MD5

a5d9f7f0be3a2859f16d9a67bfe64aa7
SHA1

32e370e6be9cc256a1be8ffae2df95d82f03f538
SHA256

ce7ce4b8f20625ecc7cc6f376d1d93992f75a95dfa5e265c0705d35b2176daec
SHA512

96b28024513f37dcaf99008c9974af32fe24da64231c969f3e495e3ea52a772f3c379b81f2a7b0e7fbdf894ff60b52de23a3a2e9ad0ce515d091e860dffd8953
SSDEEP

12288:ZATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:bT+KjUdQqboyyWoK1NGqzuh7

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\79F52B96 = "C:\\Users\\Admin\\AppData\\Roaming\\79F52B96\\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	ce7ce4b8f20625ecc7cc6f376d1d93992f75a95dfa5e265c0705d35b2176daec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3036	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 3036	2792	ce7ce4b8f20625ecc7cc6f376d1d93992f75a95dfa5e265c0705d35b2176daec.exe	30
PID 2792 wrote to memory of 3036	2792	ce7ce4b8f20625ecc7cc6f376d1d93992f75a95dfa5e265c0705d35b2176daec.exe	30
PID 2792 wrote to memory of 3036	2792	ce7ce4b8f20625ecc7cc6f376d1d93992f75a95dfa5e265c0705d35b2176daec.exe	30
PID 2792 wrote to memory of 3036	2792	ce7ce4b8f20625ecc7cc6f376d1d93992f75a95dfa5e265c0705d35b2176daec.exe	30
PID 2792 wrote to memory of 3036	2792	ce7ce4b8f20625ecc7cc6f376d1d93992f75a95dfa5e265c0705d35b2176daec.exe	30
PID 3036 wrote to memory of 1116	3036	winver.exe	20
PID 3036 wrote to memory of 1052	3036	winver.exe	17
PID 3036 wrote to memory of 1088	3036	winver.exe	19
PID 3036 wrote to memory of 1116	3036	winver.exe	20
PID 3036 wrote to memory of 1708	3036	winver.exe	23

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1052

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1088

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1116
- C:\Users\Admin\AppData\Local\Temp\ce7ce4b8f20625ecc7cc6f376d1d93992f75a95dfa5e265c0705d35b2176daec.exe
  "C:\Users\Admin\AppData\Local\Temp\ce7ce4b8f20625ecc7cc6f376d1d93992f75a95dfa5e265c0705d35b2176daec.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2792
- - 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:3036

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1708

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/1052-11-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1052-24-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1088-26-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1088-14-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1116-1-0x0000000002D40000-0x0000000002D46000-memory.dmp

Filesize
24KB

Download
memory/1116-17-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/1116-6-0x0000000002D40000-0x0000000002D46000-memory.dmp

Filesize
24KB

Download
memory/1116-3-0x0000000002D40000-0x0000000002D46000-memory.dmp

Filesize
24KB

Download
memory/1116-25-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/1708-20-0x0000000001C70000-0x0000000001C76000-memory.dmp

Filesize
24KB

Download
memory/1708-27-0x0000000001C70000-0x0000000001C76000-memory.dmp

Filesize
24KB

Download
memory/2792-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3036-23-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/3036-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/3036-29-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download