tinba | fd64fb5669b6643f9d8e2a81493017b99494ba11d1e7f22fa3a318bc6001fba7

Analysis

max time kernel
148s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 12:01

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General

Target

fd64fb5669b6643f9d8e2a81493017b99494ba11d1e7f22fa3a318bc6001fba7.exe
Size

225KB
MD5

ca262e473e12170f3f7331bf2edefe0a
SHA1

86f3130b0e7629ed37e99072d2a12d76f132a99e
SHA256

fd64fb5669b6643f9d8e2a81493017b99494ba11d1e7f22fa3a318bc6001fba7
SHA512

4adeabf89d1d06c7a5c17d41dd33a5588b8ad26f11ac657d726613d6451a0014d5f6bc45835b74a617d6be0618a926e2d62a86884778587045480b4f464136dc
SSDEEP

6144:NA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:NATuTAnKGwUAW3ycQqg1

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\12756B1F = "C:\\Users\\Admin\\AppData\\Roaming\\12756B1F\\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	fd64fb5669b6643f9d8e2a81493017b99494ba11d1e7f22fa3a318bc6001fba7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2748	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 2748	2164	fd64fb5669b6643f9d8e2a81493017b99494ba11d1e7f22fa3a318bc6001fba7.exe	31
PID 2164 wrote to memory of 2748	2164	fd64fb5669b6643f9d8e2a81493017b99494ba11d1e7f22fa3a318bc6001fba7.exe	31
PID 2164 wrote to memory of 2748	2164	fd64fb5669b6643f9d8e2a81493017b99494ba11d1e7f22fa3a318bc6001fba7.exe	31
PID 2164 wrote to memory of 2748	2164	fd64fb5669b6643f9d8e2a81493017b99494ba11d1e7f22fa3a318bc6001fba7.exe	31
PID 2164 wrote to memory of 2748	2164	fd64fb5669b6643f9d8e2a81493017b99494ba11d1e7f22fa3a318bc6001fba7.exe	31
PID 2748 wrote to memory of 1156	2748	winver.exe	20
PID 2748 wrote to memory of 1080	2748	winver.exe	18
PID 2748 wrote to memory of 1088	2748	winver.exe	19
PID 2748 wrote to memory of 1156	2748	winver.exe	20
PID 2748 wrote to memory of 468	2748	winver.exe	25
PID 2748 wrote to memory of 2164	2748	winver.exe	30

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1080

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1156
- C:\Users\Admin\AppData\Local\Temp\fd64fb5669b6643f9d8e2a81493017b99494ba11d1e7f22fa3a318bc6001fba7.exe
  "C:\Users\Admin\AppData\Local\Temp\fd64fb5669b6643f9d8e2a81493017b99494ba11d1e7f22fa3a318bc6001fba7.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2164
- - 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:2748

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:468

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/468-29-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/468-18-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/1080-28-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1080-9-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1088-12-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1088-26-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1156-15-0x0000000002E60000-0x0000000002E66000-memory.dmp

Filesize
24KB

Download
memory/1156-3-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1156-1-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1156-27-0x0000000002E60000-0x0000000002E66000-memory.dmp

Filesize
24KB

Download
memory/1156-6-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/2164-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2748-23-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2748-4-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2748-31-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download