tinba | ffd52f5485baf1e0624061cdd4493957c4022cec23eb0ffff273199bdcc10a0b

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2024 04:41

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General

Target

ffd52f5485baf1e0624061cdd4493957c4022cec23eb0ffff273199bdcc10a0b.exe
Size

34KB
MD5

d38cabfccadcce3d0fc9a4898078926a
SHA1

8f6199ac81c5cb25120b7b1129b1ae79c1582742
SHA256

ffd52f5485baf1e0624061cdd4493957c4022cec23eb0ffff273199bdcc10a0b
SHA512

a7fc54bf4db9aa337d12e74672b1a7b605dfef2f5f510d36bfda1d594db07159263824b889ae6faa708bbe04758b2da638921c2da40108ea15b9fbdde8f281d0
SSDEEP

768:xp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9JS:xpYoX58z1uirL98xMWnT0OQ9JS

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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0CFE21A5 = "C:\\Users\\Admin\\AppData\\Roaming\\0CFE21A5\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1360-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2072	1584	WerFault.exe	83

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	ffd52f5485baf1e0624061cdd4493957c4022cec23eb0ffff273199bdcc10a0b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1584	winver.exe
1584	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1584	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1360 wrote to memory of 1584	1360	ffd52f5485baf1e0624061cdd4493957c4022cec23eb0ffff273199bdcc10a0b.exe	83
PID 1360 wrote to memory of 1584	1360	ffd52f5485baf1e0624061cdd4493957c4022cec23eb0ffff273199bdcc10a0b.exe	83
PID 1360 wrote to memory of 1584	1360	ffd52f5485baf1e0624061cdd4493957c4022cec23eb0ffff273199bdcc10a0b.exe	83
PID 1360 wrote to memory of 1584	1360	ffd52f5485baf1e0624061cdd4493957c4022cec23eb0ffff273199bdcc10a0b.exe	83
PID 1584 wrote to memory of 3380	1584	winver.exe	56
PID 1584 wrote to memory of 2556	1584	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2556

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3380
- C:\Users\Admin\AppData\Local\Temp\ffd52f5485baf1e0624061cdd4493957c4022cec23eb0ffff273199bdcc10a0b.exe
  "C:\Users\Admin\AppData\Local\Temp\ffd52f5485baf1e0624061cdd4493957c4022cec23eb0ffff273199bdcc10a0b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1360
- - 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:1584
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1584 -s 352
      4⤵
      Program crash
      PID:2072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1584 -ip 1584
1⤵
PID:3932

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/1360-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1360-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/1360-9-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/1360-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1360-4-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/1584-5-0x0000000077EB2000-0x0000000077EB3000-memory.dmp

Filesize
4KB

Download
memory/1584-7-0x00007FFEDFA70000-0x00007FFEDFC65000-memory.dmp

Filesize
2.0MB

Download
memory/1584-11-0x00000000027D0000-0x00000000027D6000-memory.dmp

Filesize
24KB

Download
memory/1584-14-0x00000000027D0000-0x00000000027D6000-memory.dmp

Filesize
24KB

Download
memory/2556-13-0x0000000000C90000-0x0000000000C96000-memory.dmp

Filesize
24KB

Download
memory/3380-6-0x00007FFEDFB0D000-0x00007FFEDFB0E000-memory.dmp

Filesize
4KB

Download
memory/3380-2-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/3380-3-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download