tinba | 85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24/01/2025, 09:04

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General

Target

85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe
Size

54KB
MD5

1c27b76ae6c28e20db87238b8974388d
SHA1

e05c88fb097526e8db7ff7c2e336110018bb3c57
SHA256

85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387
SHA512

26bad0d30d4670e91b9421b0774a65c1b1a25de29b626cd1f0b6f6e36070dd7715ff70b60b1919145a8525f01d2cc7fba501b0f4a90e94beb5288514b2694ba0
SSDEEP

768:s3CCRtWM5usSRJDTlLTOpJiqRZNoCRtxihG1gfFNsHWP4jBC:85tPusSRJDTlLTOpJiaDjts4gfFi2+g

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\BC6E4203 = "C:\\Users\\Admin\\AppData\\Roaming\\BC6E4203\\bin.exe"	winver.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2792 set thread context of 3008	2792	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe	29

System Location Discovery: System Language Discovery 1 TTPs 3 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	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3012	winver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2792	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 3008	2792	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe	29
PID 2792 wrote to memory of 3008	2792	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe	29
PID 2792 wrote to memory of 3008	2792	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe	29
PID 2792 wrote to memory of 3008	2792	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe	29
PID 2792 wrote to memory of 3008	2792	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe	29
PID 2792 wrote to memory of 3008	2792	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe	29
PID 2792 wrote to memory of 3008	2792	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe	29
PID 3008 wrote to memory of 3012	3008	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe	30
PID 3008 wrote to memory of 3012	3008	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe	30
PID 3008 wrote to memory of 3012	3008	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe	30
PID 3008 wrote to memory of 3012	3008	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe	30
PID 3008 wrote to memory of 3012	3008	85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe	30
PID 3012 wrote to memory of 1360	3012	winver.exe	20
PID 3012 wrote to memory of 1232	3012	winver.exe	18
PID 3012 wrote to memory of 1320	3012	winver.exe	19
PID 3012 wrote to memory of 1360	3012	winver.exe	20
PID 3012 wrote to memory of 928	3012	winver.exe	22

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1232

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1320

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1360
- C:\Users\Admin\AppData\Local\Temp\85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe
  "C:\Users\Admin\AppData\Local\Temp\85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2792
- - C:\Users\Admin\AppData\Local\Temp\85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe
    "C:\Users\Admin\AppData\Local\Temp\85cff8a875d4fd0c3cea88044cac87977129bfbfea981357cb0e2b2ff4705387.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3008
  - - C:\Windows\SysWOW64\winver.exe
      winver
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:3012

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:928

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/928-21-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/928-38-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/928-30-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/928-31-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/928-32-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/928-33-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/1232-26-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1232-27-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/1232-14-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1320-17-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1320-28-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1360-19-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1360-4-0x0000000001D90000-0x0000000001D96000-memory.dmp

Filesize
24KB

Download
memory/1360-3-0x0000000001D90000-0x0000000001D96000-memory.dmp

Filesize
24KB

Download
memory/1360-8-0x0000000001D90000-0x0000000001D96000-memory.dmp

Filesize
24KB

Download
memory/1360-10-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/1360-29-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/3008-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3012-24-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/3012-7-0x0000000000D21000-0x0000000000D22000-memory.dmp

Filesize
4KB

Download
memory/3012-9-0x0000000000D20000-0x0000000000D36000-memory.dmp

Filesize
88KB

Download
memory/3012-25-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/3012-34-0x00000000775C0000-0x0000000077769000-memory.dmp

Filesize
1.7MB

Download
memory/3012-5-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/3012-40-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download