tinba | f22e30ce79ae791b00f14772121b82f4867db82b5e8c70620a239fd31b547ac3

Analysis

max time kernel
111s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17/01/2025, 10:09

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General

Target

f22e30ce79ae791b00f14772121b82f4867db82b5e8c70620a239fd31b547ac3N.exe
Size

110KB
MD5

5ebba44334469e30727fef88b334ae10
SHA1

603783ab0dc69736338878c57eeb259a059f74f6
SHA256

f22e30ce79ae791b00f14772121b82f4867db82b5e8c70620a239fd31b547ac3
SHA512

5a8961c51b2108168f174417e0daf45d3a0575d0384bf67df5a012a8b7b3d58c38ce2e440d6630827fce2d8bd81df96acc1a56fb10d31b937e513ef5dbad71a4
SSDEEP

1536:xiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:xiyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\722A6D36 = "C:\\Users\\Admin\\AppData\\Roaming\\722A6D36\\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/4936-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3932	1180	WerFault.exe	84

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	f22e30ce79ae791b00f14772121b82f4867db82b5e8c70620a239fd31b547ac3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1180	winver.exe
1180	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3448	Explorer.EXE
Token: SeCreatePagefilePrivilege	3448	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1180	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4936 wrote to memory of 1180	4936	f22e30ce79ae791b00f14772121b82f4867db82b5e8c70620a239fd31b547ac3N.exe	84
PID 4936 wrote to memory of 1180	4936	f22e30ce79ae791b00f14772121b82f4867db82b5e8c70620a239fd31b547ac3N.exe	84
PID 4936 wrote to memory of 1180	4936	f22e30ce79ae791b00f14772121b82f4867db82b5e8c70620a239fd31b547ac3N.exe	84
PID 4936 wrote to memory of 1180	4936	f22e30ce79ae791b00f14772121b82f4867db82b5e8c70620a239fd31b547ac3N.exe	84
PID 1180 wrote to memory of 3448	1180	winver.exe	56
PID 1180 wrote to memory of 3016	1180	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3016

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3448
- C:\Users\Admin\AppData\Local\Temp\f22e30ce79ae791b00f14772121b82f4867db82b5e8c70620a239fd31b547ac3N.exe
  "C:\Users\Admin\AppData\Local\Temp\f22e30ce79ae791b00f14772121b82f4867db82b5e8c70620a239fd31b547ac3N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4936
- - 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:1180
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 352
      4⤵
      Program crash
      PID:3932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1180 -ip 1180
1⤵
PID:5056

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/1180-5-0x0000000077C22000-0x0000000077C23000-memory.dmp

Filesize
4KB

Download
memory/1180-15-0x0000000000E10000-0x0000000000E16000-memory.dmp

Filesize
24KB

Download
memory/1180-12-0x0000000000E10000-0x0000000000E16000-memory.dmp

Filesize
24KB

Download
memory/1180-8-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

Filesize
2.0MB

Download
memory/3016-14-0x0000000000F70000-0x0000000000F76000-memory.dmp

Filesize
24KB

Download
memory/3448-6-0x00007FFBDBAAD000-0x00007FFBDBAAE000-memory.dmp

Filesize
4KB

Download
memory/3448-7-0x00007FFBDBAAC000-0x00007FFBDBAAD000-memory.dmp

Filesize
4KB

Download
memory/3448-2-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/3448-3-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/4936-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4936-4-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/4936-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4936-10-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/4936-1-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download