tinba | da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 04:35

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General

Target

da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318.exe
Size

225KB
MD5

721a1bfb2d354e94b2ba30c3fad33b40
SHA1

9bfd149db693d9c76600354b0df5df544b4af121
SHA256

da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318
SHA512

a484cb6f88cbab97f2f7eaafb38f264cb6b92c84073a61fd0d29cc8663bf9055569ee29f7c4ed584084d91f7a5289615f0fa2b3cd05f79043c2cd8bdbfd5240a
SSDEEP

6144:AA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:AATuTAnKGwUAW3ycQqgf

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\DDCBF084 = "C:\\Users\\Admin\\AppData\\Roaming\\DDCBF084\\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	da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2688	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 2688	2484	da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318.exe	31
PID 2484 wrote to memory of 2688	2484	da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318.exe	31
PID 2484 wrote to memory of 2688	2484	da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318.exe	31
PID 2484 wrote to memory of 2688	2484	da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318.exe	31
PID 2484 wrote to memory of 2688	2484	da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318.exe	31
PID 2688 wrote to memory of 1212	2688	winver.exe	21
PID 2688 wrote to memory of 1112	2688	winver.exe	19
PID 2688 wrote to memory of 1168	2688	winver.exe	20
PID 2688 wrote to memory of 1212	2688	winver.exe	21
PID 2688 wrote to memory of 1684	2688	winver.exe	23
PID 2688 wrote to memory of 2484	2688	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318.exe
  "C:\Users\Admin\AppData\Local\Temp\da75a873d55ddbbc96bb55b7dafa3947f5a84d9b3faf833ada0760baf321e318.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2484
- - 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:2688

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1684

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

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Downloads

memory/1112-26-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1112-9-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1168-12-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1168-28-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1212-15-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1212-6-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1212-1-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1212-27-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1684-18-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1684-29-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/2484-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2688-23-0x0000000001AE0000-0x0000000001AE6000-memory.dmp

Filesize
24KB

Download
memory/2688-4-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2688-31-0x0000000001AE0000-0x0000000001AE6000-memory.dmp

Filesize
24KB

Download