tinba | 61785fae8d45c83132ad147bd12dc902a566efdbefffd9ce982d9345c8802ea4

Analysis

max time kernel
107s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10/12/2024, 22:14

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General

Target

61785fae8d45c83132ad147bd12dc902a566efdbefffd9ce982d9345c8802ea4N.exe
Size

45KB
MD5

600165ef551267c1cf3bd18f2c907600
SHA1

1a77df1f5084439b753b455817895b5a6074a283
SHA256

61785fae8d45c83132ad147bd12dc902a566efdbefffd9ce982d9345c8802ea4
SHA512

f7ad6dc250dce5b90b03561f0c784290c71a79c8320438a73f1b317a258fb417a09b7d346c15be1f8c3a6e8e492958a7ac77e0f650b6d9565c6a1a2b341cb27e
SSDEEP

768:2hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2V:asWE9N5dFu53dsniQaB/xZ14n7zIF+q5

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B0B05C42 = "C:\\Users\\Admin\\AppData\\Roaming\\B0B05C42\\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/700-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2860	2112	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	61785fae8d45c83132ad147bd12dc902a566efdbefffd9ce982d9345c8802ea4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2112	winver.exe
2112	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2112	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 700 wrote to memory of 2112	700	61785fae8d45c83132ad147bd12dc902a566efdbefffd9ce982d9345c8802ea4N.exe	84
PID 700 wrote to memory of 2112	700	61785fae8d45c83132ad147bd12dc902a566efdbefffd9ce982d9345c8802ea4N.exe	84
PID 700 wrote to memory of 2112	700	61785fae8d45c83132ad147bd12dc902a566efdbefffd9ce982d9345c8802ea4N.exe	84
PID 700 wrote to memory of 2112	700	61785fae8d45c83132ad147bd12dc902a566efdbefffd9ce982d9345c8802ea4N.exe	84
PID 2112 wrote to memory of 3508	2112	winver.exe	56
PID 2112 wrote to memory of 2608	2112	winver.exe	44

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2608

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3508
- C:\Users\Admin\AppData\Local\Temp\61785fae8d45c83132ad147bd12dc902a566efdbefffd9ce982d9345c8802ea4N.exe
  "C:\Users\Admin\AppData\Local\Temp\61785fae8d45c83132ad147bd12dc902a566efdbefffd9ce982d9345c8802ea4N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:700
- - 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:2112
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 352
      4⤵
      Program crash
      PID:2860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 2112 -ip 2112
1⤵
PID:4652

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/700-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/700-1-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download
memory/700-9-0x00000000020D0000-0x0000000002AD0000-memory.dmp

Filesize
10.0MB

Download
memory/700-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/700-4-0x00000000020D0000-0x0000000002AD0000-memory.dmp

Filesize
10.0MB

Download
memory/2112-5-0x0000000077542000-0x0000000077543000-memory.dmp

Filesize
4KB

Download
memory/2112-7-0x00007FFED21F0000-0x00007FFED23E5000-memory.dmp

Filesize
2.0MB

Download
memory/2112-11-0x00000000012B0000-0x00000000012B6000-memory.dmp

Filesize
24KB

Download
memory/2112-14-0x00000000012B0000-0x00000000012B6000-memory.dmp

Filesize
24KB

Download
memory/2608-13-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/3508-6-0x00007FFED228D000-0x00007FFED228E000-memory.dmp

Filesize
4KB

Download
memory/3508-2-0x0000000003020000-0x0000000003026000-memory.dmp

Filesize
24KB

Download
memory/3508-3-0x0000000003020000-0x0000000003026000-memory.dmp

Filesize
24KB

Download