tinba | 69621b4a9c14403a9f613b7a552a5770db20acac3465d029d2684e5e50fa0eec

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
04-10-2024 11:02

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General

Target

69621b4a9c14403a9f613b7a552a5770db20acac3465d029d2684e5e50fa0eecN.exe
Size

45KB
MD5

e98783bc576eb930a68e9470994973b0
SHA1

f70710dbf554cec92feb37765e751cd241555767
SHA256

69621b4a9c14403a9f613b7a552a5770db20acac3465d029d2684e5e50fa0eec
SHA512

8d29cba0ecc02c7ae523d171b58ac59c25521ec4ff9a3bb4a993f9531f63c8d63f6f47e125e5ebd36f00b17c9dbc9961d91953f185b3e7110119342c1c9d1aec
SSDEEP

768:fhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:JsWE9N5dFu53dsniQaB/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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\C1DE3C95 = "C:\\Users\\Admin\\AppData\\Roaming\\C1DE3C95\\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/1892-0-0x0000000000400000-0x000000000041D000-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	69621b4a9c14403a9f613b7a552a5770db20acac3465d029d2684e5e50fa0eecN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe
2648	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2648	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1892 wrote to memory of 2648	1892	69621b4a9c14403a9f613b7a552a5770db20acac3465d029d2684e5e50fa0eecN.exe	31
PID 1892 wrote to memory of 2648	1892	69621b4a9c14403a9f613b7a552a5770db20acac3465d029d2684e5e50fa0eecN.exe	31
PID 1892 wrote to memory of 2648	1892	69621b4a9c14403a9f613b7a552a5770db20acac3465d029d2684e5e50fa0eecN.exe	31
PID 1892 wrote to memory of 2648	1892	69621b4a9c14403a9f613b7a552a5770db20acac3465d029d2684e5e50fa0eecN.exe	31
PID 1892 wrote to memory of 2648	1892	69621b4a9c14403a9f613b7a552a5770db20acac3465d029d2684e5e50fa0eecN.exe	31
PID 2648 wrote to memory of 1260	2648	winver.exe	21
PID 2648 wrote to memory of 1108	2648	winver.exe	19
PID 2648 wrote to memory of 1164	2648	winver.exe	20
PID 2648 wrote to memory of 1260	2648	winver.exe	21
PID 2648 wrote to memory of 1428	2648	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1260
- C:\Users\Admin\AppData\Local\Temp\69621b4a9c14403a9f613b7a552a5770db20acac3465d029d2684e5e50fa0eecN.exe
  "C:\Users\Admin\AppData\Local\Temp\69621b4a9c14403a9f613b7a552a5770db20acac3465d029d2684e5e50fa0eecN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1892
- - 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:2648

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1428

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/1108-25-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/1108-26-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/1164-29-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1164-20-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1260-2-0x00000000030E0000-0x00000000030E6000-memory.dmp

Filesize
24KB

Download
memory/1260-22-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/1260-3-0x00000000030E0000-0x00000000030E6000-memory.dmp

Filesize
24KB

Download
memory/1260-10-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/1260-27-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/1260-4-0x00000000030E0000-0x00000000030E6000-memory.dmp

Filesize
24KB

Download
memory/1428-30-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/1428-24-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/1428-31-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/1892-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1892-13-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/1892-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1892-5-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/1892-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2648-28-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2648-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2648-11-0x0000000076DF0000-0x0000000076F99000-memory.dmp

Filesize
1.7MB

Download
memory/2648-7-0x0000000076FF0000-0x0000000076FF1000-memory.dmp

Filesize
4KB

Download
memory/2648-8-0x0000000076FEF000-0x0000000076FF0000-memory.dmp

Filesize
4KB

Download
memory/2648-9-0x0000000076FEF000-0x0000000076FF1000-memory.dmp

Filesize
8KB

Download
memory/2648-36-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download