tinba | b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
27-11-2024 03:17

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General

Target

b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444.exe
Size

225KB
MD5

df0fa950b0fbabeb12813224ed1a8187
SHA1

23cd3abf04a4217ff56bf8d41bdc6326539fe95a
SHA256

b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444
SHA512

bcb82b140335396236d4b2eedf4c10ad4189f9a4df1250455370dbd0541b1544c967680efa35af1d055d498ebf6427f1b51c8fe62dfda00b480caa5a63cb4b0c
SSDEEP

6144:DA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:DATuTAnKGwUAW3ycQqgf

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\986A44C1 = "C:\\Users\\Admin\\AppData\\Roaming\\986A44C1\\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	b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2828	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 2828	1684	b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444.exe	31
PID 1684 wrote to memory of 2828	1684	b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444.exe	31
PID 1684 wrote to memory of 2828	1684	b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444.exe	31
PID 1684 wrote to memory of 2828	1684	b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444.exe	31
PID 1684 wrote to memory of 2828	1684	b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444.exe	31
PID 2828 wrote to memory of 1184	2828	winver.exe	21
PID 2828 wrote to memory of 1100	2828	winver.exe	19
PID 2828 wrote to memory of 1148	2828	winver.exe	20
PID 2828 wrote to memory of 1184	2828	winver.exe	21
PID 2828 wrote to memory of 2008	2828	winver.exe	23
PID 2828 wrote to memory of 1684	2828	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1148

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444.exe
  "C:\Users\Admin\AppData\Local\Temp\b97c8064f59473d66e63e545e0044ec12dfccd1de6338e1bc8fa23a67f2de444.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1684
- - 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:2828

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2008

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/1100-27-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1100-9-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1148-12-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1148-26-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1184-15-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1184-6-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1184-1-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1184-28-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1184-3-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1684-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2008-18-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/2008-29-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/2828-4-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2828-23-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/2828-31-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download