tinba | dd4e149f231371680f00f7115fc9f38f91987cd28316708db86d90dd8015fdfd

Analysis

max time kernel
148s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-10-2024 15:31

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General

Target

dd4e149f231371680f00f7115fc9f38f91987cd28316708db86d90dd8015fdfdN.exe
Size

225KB
MD5

1679acf8cc10c39440925a07c6e98d40
SHA1

2988278905aa4be88cc19fd416f91b57afeb3698
SHA256

dd4e149f231371680f00f7115fc9f38f91987cd28316708db86d90dd8015fdfd
SHA512

529d42c4401c1dc2eca02d3ff1ae2cb9b3d4dc77236265f818202da337869130358fd676d465eaa765ee1cbb26e8246adee9b14bee01a77b65ed01a642e0b290
SSDEEP

6144:WA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:WATuTAnKGwUAW3ycQqgf

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\DF607F04 = "C:\\Users\\Admin\\AppData\\Roaming\\DF607F04\\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	dd4e149f231371680f00f7115fc9f38f91987cd28316708db86d90dd8015fdfdN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe
764	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
764	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 764	1712	dd4e149f231371680f00f7115fc9f38f91987cd28316708db86d90dd8015fdfdN.exe	31
PID 1712 wrote to memory of 764	1712	dd4e149f231371680f00f7115fc9f38f91987cd28316708db86d90dd8015fdfdN.exe	31
PID 1712 wrote to memory of 764	1712	dd4e149f231371680f00f7115fc9f38f91987cd28316708db86d90dd8015fdfdN.exe	31
PID 1712 wrote to memory of 764	1712	dd4e149f231371680f00f7115fc9f38f91987cd28316708db86d90dd8015fdfdN.exe	31
PID 1712 wrote to memory of 764	1712	dd4e149f231371680f00f7115fc9f38f91987cd28316708db86d90dd8015fdfdN.exe	31
PID 764 wrote to memory of 1180	764	winver.exe	21
PID 764 wrote to memory of 1056	764	winver.exe	18
PID 764 wrote to memory of 1100	764	winver.exe	19
PID 764 wrote to memory of 1180	764	winver.exe	21
PID 764 wrote to memory of 2040	764	winver.exe	23
PID 764 wrote to memory of 1712	764	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1056

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1180
- C:\Users\Admin\AppData\Local\Temp\dd4e149f231371680f00f7115fc9f38f91987cd28316708db86d90dd8015fdfdN.exe
  "C:\Users\Admin\AppData\Local\Temp\dd4e149f231371680f00f7115fc9f38f91987cd28316708db86d90dd8015fdfdN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1712
- - 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:764

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2040

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/764-31-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/764-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/764-25-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1056-11-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1056-26-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1100-14-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1100-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1180-17-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1180-3-0x0000000002D20000-0x0000000002D26000-memory.dmp

Filesize
24KB

Download
memory/1180-27-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1180-1-0x0000000002D20000-0x0000000002D26000-memory.dmp

Filesize
24KB

Download
memory/1180-6-0x0000000002D20000-0x0000000002D26000-memory.dmp

Filesize
24KB

Download
memory/1712-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2040-20-0x0000000001C00000-0x0000000001C06000-memory.dmp

Filesize
24KB

Download
memory/2040-28-0x0000000001C00000-0x0000000001C06000-memory.dmp

Filesize
24KB

Download