tinba | ac488c6ae0483fa73b0691016206737e2eae61f52e6cac76f35768fa8f8e4ef4

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
07-12-2024 01:42

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General

Target

ac488c6ae0483fa73b0691016206737e2eae61f52e6cac76f35768fa8f8e4ef4.exe
Size

225KB
MD5

cfbdd21bff8c5d7302fa1ed5cde686fa
SHA1

945feca33cee82c8a1b08d3fd39ed93427294398
SHA256

ac488c6ae0483fa73b0691016206737e2eae61f52e6cac76f35768fa8f8e4ef4
SHA512

002fd25d00ed3793676ee98237e6e3e54cfcdf9ef8d51805e7d8afd8fed3e23aa0fc63ea4943b33c2ccf020e9744afb93f6382a9093d7232b960e105ac224d22
SSDEEP

6144:JA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:JATuTAnKGwUAW3ycQqgf

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\C634154A = "C:\\Users\\Admin\\AppData\\Roaming\\C634154A\\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	ac488c6ae0483fa73b0691016206737e2eae61f52e6cac76f35768fa8f8e4ef4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2576	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 2576	1900	ac488c6ae0483fa73b0691016206737e2eae61f52e6cac76f35768fa8f8e4ef4.exe	30
PID 1900 wrote to memory of 2576	1900	ac488c6ae0483fa73b0691016206737e2eae61f52e6cac76f35768fa8f8e4ef4.exe	30
PID 1900 wrote to memory of 2576	1900	ac488c6ae0483fa73b0691016206737e2eae61f52e6cac76f35768fa8f8e4ef4.exe	30
PID 1900 wrote to memory of 2576	1900	ac488c6ae0483fa73b0691016206737e2eae61f52e6cac76f35768fa8f8e4ef4.exe	30
PID 1900 wrote to memory of 2576	1900	ac488c6ae0483fa73b0691016206737e2eae61f52e6cac76f35768fa8f8e4ef4.exe	30
PID 2576 wrote to memory of 1244	2576	winver.exe	21
PID 2576 wrote to memory of 1104	2576	winver.exe	19
PID 2576 wrote to memory of 1180	2576	winver.exe	20
PID 2576 wrote to memory of 1244	2576	winver.exe	21
PID 2576 wrote to memory of 1144	2576	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1244
- C:\Users\Admin\AppData\Local\Temp\ac488c6ae0483fa73b0691016206737e2eae61f52e6cac76f35768fa8f8e4ef4.exe
  "C:\Users\Admin\AppData\Local\Temp\ac488c6ae0483fa73b0691016206737e2eae61f52e6cac76f35768fa8f8e4ef4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1900
- - 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:2576

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1144

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/1104-11-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/1104-24-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/1144-27-0x0000000001F00000-0x0000000001F06000-memory.dmp

Filesize
24KB

Download
memory/1144-20-0x0000000001F00000-0x0000000001F06000-memory.dmp

Filesize
24KB

Download
memory/1180-14-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1180-26-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1244-1-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1244-3-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1244-17-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/1244-25-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/1244-6-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1900-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2576-23-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2576-5-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2576-4-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2576-29-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download