tinba | fd5e0637b4a19d989d42ade961ecd5d55c041a04185f4a6d9a17ab922fc1795a

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-12-2024 01:19

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General

Target

fd5e0637b4a19d989d42ade961ecd5d55c041a04185f4a6d9a17ab922fc1795a.exe
Size

45KB
MD5

9b97c50aac4389efc309cf78dfd26fbe
SHA1

b1f79e175bd02fa57b65f716e5cbc89798d9aee8
SHA256

fd5e0637b4a19d989d42ade961ecd5d55c041a04185f4a6d9a17ab922fc1795a
SHA512

f6790fb0854e9d3fafa1baebded2dbf0027aa8bcf8adcaeb80ca68066d10bfbe9a0ae752e1295414a0150ff7428a23f7ad2614130d70454c1f94393784540d54
SSDEEP

768:QhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2X:ssWE9N5dFu53dsniQaB/xZ14n7zIF+qD

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\23CF50EF = "C:\\Users\\Admin\\AppData\\Roaming\\23CF50EF\\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/2664-0-0x0000000000400000-0x000000000041D000-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	fd5e0637b4a19d989d42ade961ecd5d55c041a04185f4a6d9a17ab922fc1795a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2828	winver.exe
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2828	2664	fd5e0637b4a19d989d42ade961ecd5d55c041a04185f4a6d9a17ab922fc1795a.exe	32
PID 2664 wrote to memory of 2828	2664	fd5e0637b4a19d989d42ade961ecd5d55c041a04185f4a6d9a17ab922fc1795a.exe	32
PID 2664 wrote to memory of 2828	2664	fd5e0637b4a19d989d42ade961ecd5d55c041a04185f4a6d9a17ab922fc1795a.exe	32
PID 2664 wrote to memory of 2828	2664	fd5e0637b4a19d989d42ade961ecd5d55c041a04185f4a6d9a17ab922fc1795a.exe	32
PID 2664 wrote to memory of 2828	2664	fd5e0637b4a19d989d42ade961ecd5d55c041a04185f4a6d9a17ab922fc1795a.exe	32
PID 2828 wrote to memory of 1188	2828	winver.exe	21
PID 2828 wrote to memory of 1068	2828	winver.exe	18
PID 2828 wrote to memory of 1100	2828	winver.exe	19
PID 2828 wrote to memory of 1188	2828	winver.exe	21
PID 2828 wrote to memory of 1200	2828	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1068

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1188
- C:\Users\Admin\AppData\Local\Temp\fd5e0637b4a19d989d42ade961ecd5d55c041a04185f4a6d9a17ab922fc1795a.exe
  "C:\Users\Admin\AppData\Local\Temp\fd5e0637b4a19d989d42ade961ecd5d55c041a04185f4a6d9a17ab922fc1795a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2664
- - 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:2828

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1200

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/1068-26-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1068-27-0x0000000077B61000-0x0000000077B62000-memory.dmp

Filesize
4KB

Download
memory/1100-30-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1100-20-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1188-22-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1188-4-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1188-2-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1188-10-0x0000000077B61000-0x0000000077B62000-memory.dmp

Filesize
4KB

Download
memory/1188-31-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1200-29-0x0000000077B61000-0x0000000077B62000-memory.dmp

Filesize
4KB

Download
memory/1200-28-0x0000000001D70000-0x0000000001D76000-memory.dmp

Filesize
24KB

Download
memory/1200-25-0x0000000001D70000-0x0000000001D76000-memory.dmp

Filesize
24KB

Download
memory/2664-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2664-13-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/2664-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2664-5-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/2664-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2828-9-0x0000000077D0F000-0x0000000077D11000-memory.dmp

Filesize
8KB

Download
memory/2828-11-0x0000000077B10000-0x0000000077CB9000-memory.dmp

Filesize
1.7MB

Download
memory/2828-8-0x0000000077D0F000-0x0000000077D10000-memory.dmp

Filesize
4KB

Download
memory/2828-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2828-7-0x0000000077D10000-0x0000000077D11000-memory.dmp

Filesize
4KB

Download
memory/2828-32-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2828-37-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download