tinba | 01022bb7443b902cf5fd3d2b699a696323ab78b85ec391962cd6a2d67e67c690

Analysis

max time kernel
146s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 19:07

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General

Target

01022bb7443b902cf5fd3d2b699a696323ab78b85ec391962cd6a2d67e67c690.exe
Size

45KB
MD5

147ca749d8a5e287a4abd184207fb26c
SHA1

95db84db03ce1f4222dded3f31f49d5f28d7263d
SHA256

01022bb7443b902cf5fd3d2b699a696323ab78b85ec391962cd6a2d67e67c690
SHA512

212c5fbc2c786f07d2a624d1eae67db31d4e82fcee3992498477ad3dab8597d7a4758e48ab35fc7fff80ccc66ec88ccd354709249bc5ce7665818d23d82d9975
SSDEEP

768:/hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:psWE9N5dFu53dsniQaB/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
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\B48E218F = "C:\\Users\\Admin\\AppData\\Roaming\\B48E218F\\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/4720-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3208	4348	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	01022bb7443b902cf5fd3d2b699a696323ab78b85ec391962cd6a2d67e67c690.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4348	winver.exe
4348	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4348	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4720 wrote to memory of 4348	4720	01022bb7443b902cf5fd3d2b699a696323ab78b85ec391962cd6a2d67e67c690.exe	84
PID 4720 wrote to memory of 4348	4720	01022bb7443b902cf5fd3d2b699a696323ab78b85ec391962cd6a2d67e67c690.exe	84
PID 4720 wrote to memory of 4348	4720	01022bb7443b902cf5fd3d2b699a696323ab78b85ec391962cd6a2d67e67c690.exe	84
PID 4720 wrote to memory of 4348	4720	01022bb7443b902cf5fd3d2b699a696323ab78b85ec391962cd6a2d67e67c690.exe	84
PID 4348 wrote to memory of 3420	4348	winver.exe	56
PID 4348 wrote to memory of 2700	4348	winver.exe	45

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2700

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3420
- C:\Users\Admin\AppData\Local\Temp\01022bb7443b902cf5fd3d2b699a696323ab78b85ec391962cd6a2d67e67c690.exe
  "C:\Users\Admin\AppData\Local\Temp\01022bb7443b902cf5fd3d2b699a696323ab78b85ec391962cd6a2d67e67c690.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4720
- - 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:4348
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 360
      4⤵
      Program crash
      PID:3208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4348 -ip 4348
1⤵
PID:1660

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/2700-14-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3420-7-0x00007FFA8FCAD000-0x00007FFA8FCAE000-memory.dmp

Filesize
4KB

Download
memory/3420-2-0x0000000000880000-0x0000000000886000-memory.dmp

Filesize
24KB

Download
memory/3420-3-0x0000000000880000-0x0000000000886000-memory.dmp

Filesize
24KB

Download
memory/4348-6-0x0000000077442000-0x0000000077443000-memory.dmp

Filesize
4KB

Download
memory/4348-5-0x0000000001360000-0x0000000001366000-memory.dmp

Filesize
24KB

Download
memory/4348-8-0x00007FFA8FC10000-0x00007FFA8FE05000-memory.dmp

Filesize
2.0MB

Download
memory/4348-15-0x0000000001360000-0x0000000001366000-memory.dmp

Filesize
24KB

Download
memory/4720-4-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/4720-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4720-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4720-10-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/4720-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download