tinba | 58261d5e436afecee936ca11f2441cf176fcd4c6b51b8fded8620878e142285b

Analysis

max time kernel
118s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 02:05

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General

Target

58261d5e436afecee936ca11f2441cf176fcd4c6b51b8fded8620878e142285bN.exe
Size

110KB
MD5

5f3a88d65f17aa4489ba5206dbe44b10
SHA1

aa487aeb8d7a96fdf3f16c238dc95005d77c76bf
SHA256

58261d5e436afecee936ca11f2441cf176fcd4c6b51b8fded8620878e142285b
SHA512

cd33ede53cb6468bb43cee8db87631bda992fe85e50d96ebfdc1f556f3c4af335bf642836cc5845df80614c60aa227f8cab6227af4c7166e15de68106ad38255
SSDEEP

1536:+iLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:+iyvRmDLs/ZrwWJjAqGcRJ2hA

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\CE54D8EE = "C:\\Users\\Admin\\AppData\\Roaming\\CE54D8EE\\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/1080-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4356	1960	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	58261d5e436afecee936ca11f2441cf176fcd4c6b51b8fded8620878e142285bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1960	winver.exe
1960	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3468	Explorer.EXE
Token: SeCreatePagefilePrivilege	3468	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1960	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 1960	1080	58261d5e436afecee936ca11f2441cf176fcd4c6b51b8fded8620878e142285bN.exe	84
PID 1080 wrote to memory of 1960	1080	58261d5e436afecee936ca11f2441cf176fcd4c6b51b8fded8620878e142285bN.exe	84
PID 1080 wrote to memory of 1960	1080	58261d5e436afecee936ca11f2441cf176fcd4c6b51b8fded8620878e142285bN.exe	84
PID 1080 wrote to memory of 1960	1080	58261d5e436afecee936ca11f2441cf176fcd4c6b51b8fded8620878e142285bN.exe	84
PID 1960 wrote to memory of 3468	1960	winver.exe	56
PID 1960 wrote to memory of 2968	1960	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2968

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3468
- C:\Users\Admin\AppData\Local\Temp\58261d5e436afecee936ca11f2441cf176fcd4c6b51b8fded8620878e142285bN.exe
  "C:\Users\Admin\AppData\Local\Temp\58261d5e436afecee936ca11f2441cf176fcd4c6b51b8fded8620878e142285bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1080
- - 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:1960
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1960 -s 352
      4⤵
      Program crash
      PID:4356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1960 -ip 1960
1⤵
PID:2388

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/1080-1-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/1080-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1080-4-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/1080-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1080-9-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/1960-11-0x00000000012F0000-0x00000000012F6000-memory.dmp

Filesize
24KB

Download
memory/1960-14-0x00000000012F0000-0x00000000012F6000-memory.dmp

Filesize
24KB

Download
memory/1960-5-0x0000000077D52000-0x0000000077D53000-memory.dmp

Filesize
4KB

Download
memory/1960-7-0x00007FF9730B0000-0x00007FF9732A5000-memory.dmp

Filesize
2.0MB

Download
memory/2968-13-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/3468-6-0x00007FF97314D000-0x00007FF97314E000-memory.dmp

Filesize
4KB

Download
memory/3468-2-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/3468-3-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download