tinba | 0748cd374d64156fc533b0f10d437fdbb7ccad4e8b697b3cd2eeea252c466149

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02/09/2024, 23:06

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General

Target

PrintWiz.exe
Size

225KB
MD5

d87895c34f37cf8d3450cc47541fcc4c
SHA1

f2a854989634cc54de97895af07f7ad0e72c47d8
SHA256

0748cd374d64156fc533b0f10d437fdbb7ccad4e8b697b3cd2eeea252c466149
SHA512

9c038353ebcbc703aecca14777ae7a39b26c61413987474cb7433f68072b5ee73dc59eaaf8a17358c5e281ed9310369b6b71a60c886046a809682f4e639572e4
SSDEEP

6144:QA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:QATuTAnKGwUAW3ycQqgf

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

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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\2DA71C0C = "C:\\Users\\Admin\\AppData\\Roaming\\2DA71C0C\\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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PrintWiz.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe
2804	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2804	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2804	2136	PrintWiz.exe	31
PID 2136 wrote to memory of 2804	2136	PrintWiz.exe	31
PID 2136 wrote to memory of 2804	2136	PrintWiz.exe	31
PID 2136 wrote to memory of 2804	2136	PrintWiz.exe	31
PID 2136 wrote to memory of 2804	2136	PrintWiz.exe	31
PID 2804 wrote to memory of 1184	2804	winver.exe	21
PID 2804 wrote to memory of 1100	2804	winver.exe	19
PID 2804 wrote to memory of 1152	2804	winver.exe	20
PID 2804 wrote to memory of 1184	2804	winver.exe	21
PID 2804 wrote to memory of 836	2804	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1152

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\PrintWiz.exe
  "C:\Users\Admin\AppData\Local\Temp\PrintWiz.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2136
- - 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:2804

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:836

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/836-20-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

Filesize
24KB

Download
memory/836-27-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

Filesize
24KB

Download
memory/1100-11-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1100-26-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1152-14-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1152-24-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1184-6-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1184-17-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1184-3-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1184-1-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1184-25-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/2136-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2804-4-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2804-23-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2804-29-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download