tinba | 1bee2c44caf151e7549dcb757978e15feee5b570b83ab8e0d7ca110e25ac8141

Analysis

max time kernel
118s
max time network
117s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
30-09-2024 17:58

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General

Target

1bee2c44caf151e7549dcb757978e15feee5b570b83ab8e0d7ca110e25ac8141N.exe
Size

45KB
MD5

1af35f80ec0da3e2df3ae2e42f207580
SHA1

6a13eabe790842a42d3e12b379162753c74007ca
SHA256

1bee2c44caf151e7549dcb757978e15feee5b570b83ab8e0d7ca110e25ac8141
SHA512

79ace286b97f67987d03f81fd65ccdb8cae2b16381b2174cae161afce5c7f8aeddf4cf5800f24819e5c38264b32a861d81a6c18531170314e5ff87f980ff4a29
SSDEEP

768:ghP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:csWE9N5dFu53dsniQaB/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

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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\455F6B28 = "C:\\Users\\Admin\\AppData\\Roaming\\455F6B28\\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/1976-0-0x0000000000400000-0x000000000041D000-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	1bee2c44caf151e7549dcb757978e15feee5b570b83ab8e0d7ca110e25ac8141N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe
2116	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2116	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2116	1976	1bee2c44caf151e7549dcb757978e15feee5b570b83ab8e0d7ca110e25ac8141N.exe	31
PID 1976 wrote to memory of 2116	1976	1bee2c44caf151e7549dcb757978e15feee5b570b83ab8e0d7ca110e25ac8141N.exe	31
PID 1976 wrote to memory of 2116	1976	1bee2c44caf151e7549dcb757978e15feee5b570b83ab8e0d7ca110e25ac8141N.exe	31
PID 1976 wrote to memory of 2116	1976	1bee2c44caf151e7549dcb757978e15feee5b570b83ab8e0d7ca110e25ac8141N.exe	31
PID 1976 wrote to memory of 2116	1976	1bee2c44caf151e7549dcb757978e15feee5b570b83ab8e0d7ca110e25ac8141N.exe	31
PID 2116 wrote to memory of 1188	2116	winver.exe	21
PID 2116 wrote to memory of 1060	2116	winver.exe	18
PID 2116 wrote to memory of 1124	2116	winver.exe	19
PID 2116 wrote to memory of 1188	2116	winver.exe	21
PID 2116 wrote to memory of 1324	2116	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1060

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188
- C:\Users\Admin\AppData\Local\Temp\1bee2c44caf151e7549dcb757978e15feee5b570b83ab8e0d7ca110e25ac8141N.exe
  "C:\Users\Admin\AppData\Local\Temp\1bee2c44caf151e7549dcb757978e15feee5b570b83ab8e0d7ca110e25ac8141N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1976
- - 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:2116

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1324

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/1060-25-0x0000000077AD1000-0x0000000077AD2000-memory.dmp

Filesize
4KB

Download
memory/1060-24-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1124-19-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1124-26-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1188-2-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1188-21-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/1188-10-0x0000000077AD1000-0x0000000077AD2000-memory.dmp

Filesize
4KB

Download
memory/1188-3-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1188-4-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1188-27-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/1324-23-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/1324-29-0x0000000077AD1000-0x0000000077AD2000-memory.dmp

Filesize
4KB

Download
memory/1324-28-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/1976-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1976-13-0x0000000001BB0000-0x00000000025B0000-memory.dmp

Filesize
10.0MB

Download
memory/1976-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1976-5-0x0000000001BB0000-0x00000000025B0000-memory.dmp

Filesize
10.0MB

Download
memory/1976-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2116-6-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2116-7-0x0000000077C80000-0x0000000077C81000-memory.dmp

Filesize
4KB

Download
memory/2116-8-0x0000000077C7F000-0x0000000077C80000-memory.dmp

Filesize
4KB

Download
memory/2116-9-0x0000000077C7F000-0x0000000077C81000-memory.dmp

Filesize
8KB

Download
memory/2116-11-0x0000000077A80000-0x0000000077C29000-memory.dmp

Filesize
1.7MB

Download
memory/2116-30-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download