tinba | e468608e17d35e1033dda6e385e46d47659024a4c2323f194cc96115ef51ec22

Analysis

max time kernel
138s
max time network
146s
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, 08:41

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General

Target

e468608e17d35e1033dda6e385e46d47659024a4c2323f194cc96115ef51ec22.exe
Size

160KB
MD5

89c8b49c55e3ddb2a6b108f201755b50
SHA1

6711ed56ac5aa84d7e2509c4c6353441a460c515
SHA256

e468608e17d35e1033dda6e385e46d47659024a4c2323f194cc96115ef51ec22
SHA512

c50475046fceeca08fe10b4d69d0f6a409ea21a38822afdbac70d02c8dd2fae659b63fd91a8c93d0b47dc19d86de6bfe6686257a131b759cf23612a83b1fb08c
SSDEEP

1536:iEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xphM:pY+4MiIkLZJNAQ9J6vO

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5783644B = "C:\\Users\\Admin\\AppData\\Roaming\\5783644B\\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/2328-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2040	4580	WerFault.exe	85

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	e468608e17d35e1033dda6e385e46d47659024a4c2323f194cc96115ef51ec22.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4580	winver.exe
4580	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4580	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 4580	2328	e468608e17d35e1033dda6e385e46d47659024a4c2323f194cc96115ef51ec22.exe	85
PID 2328 wrote to memory of 4580	2328	e468608e17d35e1033dda6e385e46d47659024a4c2323f194cc96115ef51ec22.exe	85
PID 2328 wrote to memory of 4580	2328	e468608e17d35e1033dda6e385e46d47659024a4c2323f194cc96115ef51ec22.exe	85
PID 2328 wrote to memory of 4580	2328	e468608e17d35e1033dda6e385e46d47659024a4c2323f194cc96115ef51ec22.exe	85
PID 4580 wrote to memory of 3480	4580	winver.exe	56
PID 4580 wrote to memory of 2564	4580	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2564

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3480
- C:\Users\Admin\AppData\Local\Temp\e468608e17d35e1033dda6e385e46d47659024a4c2323f194cc96115ef51ec22.exe
  "C:\Users\Admin\AppData\Local\Temp\e468608e17d35e1033dda6e385e46d47659024a4c2323f194cc96115ef51ec22.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2328
- - 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:4580
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 352
      4⤵
      Program crash
      PID:2040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4580 -ip 4580
1⤵
PID:4688

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/2328-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2328-1-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/2328-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2328-4-0x0000000002320000-0x0000000002D20000-memory.dmp

Filesize
10.0MB

Download
memory/2328-9-0x0000000002320000-0x0000000002D20000-memory.dmp

Filesize
10.0MB

Download
memory/2564-13-0x00000000008F0000-0x00000000008F6000-memory.dmp

Filesize
24KB

Download
memory/3480-3-0x00000000015C0000-0x00000000015C6000-memory.dmp

Filesize
24KB

Download
memory/3480-6-0x00007FFEEF1AD000-0x00007FFEEF1AE000-memory.dmp

Filesize
4KB

Download
memory/3480-2-0x00000000015C0000-0x00000000015C6000-memory.dmp

Filesize
24KB

Download
memory/4580-7-0x00007FFEEF110000-0x00007FFEEF305000-memory.dmp

Filesize
2.0MB

Download
memory/4580-5-0x0000000077B62000-0x0000000077B63000-memory.dmp

Filesize
4KB

Download
memory/4580-11-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/4580-14-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download