tinba | bbf97444486ba3516bac11f4f6928c8b046b78f655e6e7e32105360569e56c9a

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 02:51

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General

Target

bbf97444486ba3516bac11f4f6928c8b046b78f655e6e7e32105360569e56c9a.exe
Size

45KB
MD5

8366fefac944cb8af13a86013980c678
SHA1

665fa7d64ca92bc377d8ad81ee60dd0af4393545
SHA256

bbf97444486ba3516bac11f4f6928c8b046b78f655e6e7e32105360569e56c9a
SHA512

7aaa9650cec52ed365f45839b015ab1e5b6549495f823429270c7bc21c38c7b4d1558f9c61265cd44e4d138ab47e0b2d8888b6de88f4c88ca020b9ba8d53709f
SSDEEP

768:DhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:VsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

Score

10^/10

tinba banker discovery persistence trojan upx

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\26F7D545 = "C:\\Users\\Admin\\AppData\\Roaming\\26F7D545\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1988-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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	bbf97444486ba3516bac11f4f6928c8b046b78f655e6e7e32105360569e56c9a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe
2500	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2500	winver.exe
1216	Explorer.EXE
1216	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1216	Explorer.EXE
1216	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 2500	1988	bbf97444486ba3516bac11f4f6928c8b046b78f655e6e7e32105360569e56c9a.exe	31
PID 1988 wrote to memory of 2500	1988	bbf97444486ba3516bac11f4f6928c8b046b78f655e6e7e32105360569e56c9a.exe	31
PID 1988 wrote to memory of 2500	1988	bbf97444486ba3516bac11f4f6928c8b046b78f655e6e7e32105360569e56c9a.exe	31
PID 1988 wrote to memory of 2500	1988	bbf97444486ba3516bac11f4f6928c8b046b78f655e6e7e32105360569e56c9a.exe	31
PID 1988 wrote to memory of 2500	1988	bbf97444486ba3516bac11f4f6928c8b046b78f655e6e7e32105360569e56c9a.exe	31
PID 2500 wrote to memory of 1216	2500	winver.exe	21
PID 2500 wrote to memory of 1124	2500	winver.exe	19
PID 2500 wrote to memory of 1184	2500	winver.exe	20
PID 2500 wrote to memory of 1216	2500	winver.exe	21
PID 2500 wrote to memory of 1532	2500	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1184

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1216
- C:\Users\Admin\AppData\Local\Temp\bbf97444486ba3516bac11f4f6928c8b046b78f655e6e7e32105360569e56c9a.exe
  "C:\Users\Admin\AppData\Local\Temp\bbf97444486ba3516bac11f4f6928c8b046b78f655e6e7e32105360569e56c9a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1988
- - 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:2500

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1532

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/1124-31-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/1124-27-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/1184-28-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1184-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1216-10-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/1216-4-0x0000000002650000-0x0000000002656000-memory.dmp

Filesize
24KB

Download
memory/1216-3-0x0000000002650000-0x0000000002656000-memory.dmp

Filesize
24KB

Download
memory/1216-2-0x0000000002650000-0x0000000002656000-memory.dmp

Filesize
24KB

Download
memory/1216-22-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/1216-25-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/1532-29-0x0000000001C50000-0x0000000001C56000-memory.dmp

Filesize
24KB

Download
memory/1532-30-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/1532-26-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/1532-24-0x0000000001C50000-0x0000000001C56000-memory.dmp

Filesize
24KB

Download
memory/1988-13-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/1988-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1988-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1988-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1988-5-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/2500-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2500-7-0x0000000076FF0000-0x0000000076FF1000-memory.dmp

Filesize
4KB

Download
memory/2500-8-0x0000000076FEF000-0x0000000076FF0000-memory.dmp

Filesize
4KB

Download
memory/2500-9-0x0000000076FEF000-0x0000000076FF1000-memory.dmp

Filesize
8KB

Download
memory/2500-11-0x0000000076DF0000-0x0000000076F99000-memory.dmp

Filesize
1.7MB

Download
memory/2500-32-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2500-37-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download