tinba | 38da97208a41f9ef0abae9c625886cb79ebfd16560f77189bdcf605b089ac98d

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 06:00

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General

Target

38da97208a41f9ef0abae9c625886cb79ebfd16560f77189bdcf605b089ac98d.exe
Size

88KB
MD5

540dfebb0c5bbbda707ea9d8bec40b16
SHA1

565dbec351674b0b0d89c1de06d47051597ebed9
SHA256

38da97208a41f9ef0abae9c625886cb79ebfd16560f77189bdcf605b089ac98d
SHA512

bb7acf917c5f56bae7250dca6b3831c1cd7537a268a051883c81c9ca08ed660fcf548b22f3fef6d2eb6cf925f8924d4da92b2b7578ef2263d7d3623ac5eeda16
SSDEEP

1536:L5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:L5fvp12UFKcD/6jwqWsNI

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\C977935D = "C:\\Users\\Admin\\AppData\\Roaming\\C977935D\\bin.exe"	winver.exe

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	38da97208a41f9ef0abae9c625886cb79ebfd16560f77189bdcf605b089ac98d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2272	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 2272	1972	38da97208a41f9ef0abae9c625886cb79ebfd16560f77189bdcf605b089ac98d.exe	31
PID 1972 wrote to memory of 2272	1972	38da97208a41f9ef0abae9c625886cb79ebfd16560f77189bdcf605b089ac98d.exe	31
PID 1972 wrote to memory of 2272	1972	38da97208a41f9ef0abae9c625886cb79ebfd16560f77189bdcf605b089ac98d.exe	31
PID 1972 wrote to memory of 2272	1972	38da97208a41f9ef0abae9c625886cb79ebfd16560f77189bdcf605b089ac98d.exe	31
PID 1972 wrote to memory of 2272	1972	38da97208a41f9ef0abae9c625886cb79ebfd16560f77189bdcf605b089ac98d.exe	31
PID 2272 wrote to memory of 1212	2272	winver.exe	21
PID 2272 wrote to memory of 1116	2272	winver.exe	19
PID 2272 wrote to memory of 1180	2272	winver.exe	20
PID 2272 wrote to memory of 1212	2272	winver.exe	21
PID 2272 wrote to memory of 1500	2272	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\38da97208a41f9ef0abae9c625886cb79ebfd16560f77189bdcf605b089ac98d.exe
  "C:\Users\Admin\AppData\Local\Temp\38da97208a41f9ef0abae9c625886cb79ebfd16560f77189bdcf605b089ac98d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1972
- - 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:2272

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1500

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/1116-34-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1116-27-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1116-28-0x00000000770D1000-0x00000000770D2000-memory.dmp

Filesize
4KB

Download
memory/1180-19-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1180-30-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1212-1-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1212-9-0x00000000770D1000-0x00000000770D2000-memory.dmp

Filesize
4KB

Download
memory/1212-3-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1212-21-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1212-24-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1500-23-0x0000000001D00000-0x0000000001D06000-memory.dmp

Filesize
24KB

Download
memory/1500-25-0x0000000001D00000-0x0000000001D06000-memory.dmp

Filesize
24KB

Download
memory/1500-26-0x00000000770D1000-0x00000000770D2000-memory.dmp

Filesize
4KB

Download
memory/1972-4-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/1972-12-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/1972-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1972-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2272-10-0x0000000077080000-0x0000000077229000-memory.dmp

Filesize
1.7MB

Download
memory/2272-29-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2272-5-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2272-7-0x000000007727F000-0x0000000077280000-memory.dmp

Filesize
4KB

Download
memory/2272-8-0x000000007727F000-0x0000000077281000-memory.dmp

Filesize
8KB

Download
memory/2272-6-0x0000000077280000-0x0000000077281000-memory.dmp

Filesize
4KB

Download
memory/2272-35-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download