tinba | b4c610f2eeb41b9f8945cf9d88da22a43c8fbcf210ea3b5bd6df3bdb581703a0

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 23:29

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General

Target

b4c610f2eeb41b9f8945cf9d88da22a43c8fbcf210ea3b5bd6df3bdb581703a0.exe
Size

88KB
MD5

194bc1422ec551471da7087d7b67acf2
SHA1

9e6c6723fc94e994b9198580f80da7841682dc35
SHA256

b4c610f2eeb41b9f8945cf9d88da22a43c8fbcf210ea3b5bd6df3bdb581703a0
SHA512

582700a86feceeaa586b17a4de021a38844c61d966a33619dbf48d2fb746879c20f60616b3dee6f83977808825ef548a4b69651f5357a3a7b9794c09fc8e902b
SSDEEP

1536:y5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:y5fvp12UFKcD/6jwqWsNI

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\46343709 = "C:\\Users\\Admin\\AppData\\Roaming\\46343709\\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	b4c610f2eeb41b9f8945cf9d88da22a43c8fbcf210ea3b5bd6df3bdb581703a0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2384	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 2384	1968	b4c610f2eeb41b9f8945cf9d88da22a43c8fbcf210ea3b5bd6df3bdb581703a0.exe	31
PID 1968 wrote to memory of 2384	1968	b4c610f2eeb41b9f8945cf9d88da22a43c8fbcf210ea3b5bd6df3bdb581703a0.exe	31
PID 1968 wrote to memory of 2384	1968	b4c610f2eeb41b9f8945cf9d88da22a43c8fbcf210ea3b5bd6df3bdb581703a0.exe	31
PID 1968 wrote to memory of 2384	1968	b4c610f2eeb41b9f8945cf9d88da22a43c8fbcf210ea3b5bd6df3bdb581703a0.exe	31
PID 1968 wrote to memory of 2384	1968	b4c610f2eeb41b9f8945cf9d88da22a43c8fbcf210ea3b5bd6df3bdb581703a0.exe	31
PID 2384 wrote to memory of 1176	2384	winver.exe	21
PID 2384 wrote to memory of 1040	2384	winver.exe	17
PID 2384 wrote to memory of 1096	2384	winver.exe	19
PID 2384 wrote to memory of 1176	2384	winver.exe	21
PID 2384 wrote to memory of 1796	2384	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1040

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1176
- C:\Users\Admin\AppData\Local\Temp\b4c610f2eeb41b9f8945cf9d88da22a43c8fbcf210ea3b5bd6df3bdb581703a0.exe
  "C:\Users\Admin\AppData\Local\Temp\b4c610f2eeb41b9f8945cf9d88da22a43c8fbcf210ea3b5bd6df3bdb581703a0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1968
- - 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:2384

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1796

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/1040-21-0x0000000077CF1000-0x0000000077CF2000-memory.dmp

Filesize
4KB

Download
memory/1040-20-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1040-17-0x0000000077CF1000-0x0000000077CF2000-memory.dmp

Filesize
4KB

Download
memory/1096-30-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1096-22-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1096-25-0x0000000077CF1000-0x0000000077CF2000-memory.dmp

Filesize
4KB

Download
memory/1176-1-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1176-32-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1176-9-0x0000000077CF1000-0x0000000077CF2000-memory.dmp

Filesize
4KB

Download
memory/1176-2-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1176-3-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1176-24-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1796-31-0x0000000077CF1000-0x0000000077CF2000-memory.dmp

Filesize
4KB

Download
memory/1796-33-0x0000000001D90000-0x0000000001D96000-memory.dmp

Filesize
24KB

Download
memory/1968-12-0x0000000001D10000-0x0000000002710000-memory.dmp

Filesize
10.0MB

Download
memory/1968-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1968-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1968-4-0x0000000001D10000-0x0000000002710000-memory.dmp

Filesize
10.0MB

Download
memory/2384-26-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2384-5-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2384-6-0x0000000077EA0000-0x0000000077EA1000-memory.dmp

Filesize
4KB

Download
memory/2384-7-0x0000000077E9F000-0x0000000077EA0000-memory.dmp

Filesize
4KB

Download
memory/2384-8-0x0000000077E9F000-0x0000000077EA1000-memory.dmp

Filesize
8KB

Download
memory/2384-10-0x0000000077CA0000-0x0000000077E49000-memory.dmp

Filesize
1.7MB

Download
memory/2384-38-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download