tinba | 4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24/02/2025, 22:27

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General

Target

4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe
Size

225KB
MD5

76e52ff165c2e1f9a55a715072df093b
SHA1

24848bbbdab9b669311d35fd3fb7d995afc4bbb5
SHA256

4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8
SHA512

9a3827174aaa394413d1a288d9df5b15bcf9661620033401b707e71307d1fd18dc7b7effee7f345310b88ec13c31e5337394c56a6652259ff38c37c6041601ac
SSDEEP

6144:DA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:DATuTAnKGwUAW3ycQqgf

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\107E75F2 = "C:\\Users\\Admin\\AppData\\Roaming\\107E75F2\\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	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2828	winver.exe
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 2828	844	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe	30
PID 844 wrote to memory of 2828	844	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe	30
PID 844 wrote to memory of 2828	844	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe	30
PID 844 wrote to memory of 2828	844	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe	30
PID 844 wrote to memory of 2828	844	4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe	30
PID 2828 wrote to memory of 1256	2828	winver.exe	21
PID 2828 wrote to memory of 1128	2828	winver.exe	19
PID 2828 wrote to memory of 1204	2828	winver.exe	20
PID 2828 wrote to memory of 1256	2828	winver.exe	21
PID 2828 wrote to memory of 1092	2828	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1204

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1256
- C:\Users\Admin\AppData\Local\Temp\4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe
  "C:\Users\Admin\AppData\Local\Temp\4036200c541642b23ed991c1b25a2fa4595416f50a97343b6423c62003b87eb8.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:844
- - 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:2828

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1092

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/844-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1092-20-0x0000000001D80000-0x0000000001D86000-memory.dmp

Filesize
24KB

Download
memory/1092-27-0x0000000001D80000-0x0000000001D86000-memory.dmp

Filesize
24KB

Download
memory/1128-24-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1128-11-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1204-26-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1204-14-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1256-6-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1256-17-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1256-25-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1256-1-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1256-3-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/2828-23-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2828-4-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2828-29-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download