tinba | 3d1daf0efb6c5f0a00b60961b71a012dc5e2d39e9d194fd489f63e4515fe6c66

Analysis

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

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
14/08/2024, 20:49

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General

Target

3d1daf0efb6c5f0a00b60961b71a012dc5e2d39e9d194fd489f63e4515fe6c66.exe
Size

237KB
MD5

29f4366879eeed6b13938b9a9e1db284
SHA1

803e0045644519ab0c748c682e0cc17a3b6327ac
SHA256

3d1daf0efb6c5f0a00b60961b71a012dc5e2d39e9d194fd489f63e4515fe6c66
SHA512

ffed5069d5064a059cbdfdd13e43ef1ef85f29229fd968125bf30620bcadfb07e1b9108a3f45d1573f42418118f162f2031f10df9b7f3ea8d1463a967498a492
SSDEEP

6144:rA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:rATuTAnKGwUAWVycQqgj

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-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\2CE6DD69 = "C:\\Users\\Admin\\AppData\\Roaming\\2CE6DD69\\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	3d1daf0efb6c5f0a00b60961b71a012dc5e2d39e9d194fd489f63e4515fe6c66.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2888	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 2888	1756	3d1daf0efb6c5f0a00b60961b71a012dc5e2d39e9d194fd489f63e4515fe6c66.exe	31
PID 1756 wrote to memory of 2888	1756	3d1daf0efb6c5f0a00b60961b71a012dc5e2d39e9d194fd489f63e4515fe6c66.exe	31
PID 1756 wrote to memory of 2888	1756	3d1daf0efb6c5f0a00b60961b71a012dc5e2d39e9d194fd489f63e4515fe6c66.exe	31
PID 1756 wrote to memory of 2888	1756	3d1daf0efb6c5f0a00b60961b71a012dc5e2d39e9d194fd489f63e4515fe6c66.exe	31
PID 1756 wrote to memory of 2888	1756	3d1daf0efb6c5f0a00b60961b71a012dc5e2d39e9d194fd489f63e4515fe6c66.exe	31
PID 2888 wrote to memory of 1208	2888	winver.exe	21
PID 2888 wrote to memory of 1104	2888	winver.exe	19
PID 2888 wrote to memory of 1180	2888	winver.exe	20
PID 2888 wrote to memory of 1208	2888	winver.exe	21
PID 2888 wrote to memory of 1276	2888	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:1208
- C:\Users\Admin\AppData\Local\Temp\3d1daf0efb6c5f0a00b60961b71a012dc5e2d39e9d194fd489f63e4515fe6c66.exe
  "C:\Users\Admin\AppData\Local\Temp\3d1daf0efb6c5f0a00b60961b71a012dc5e2d39e9d194fd489f63e4515fe6c66.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1756
- - 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:2888

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1276

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/1104-26-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1104-11-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1180-14-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1180-24-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1208-6-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1208-17-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1208-1-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1208-3-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1208-25-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1276-20-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/1276-27-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/1756-8-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2888-23-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2888-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2888-29-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download