tinba | 141f7cc06618c20466f7ae0a5e2324c497f07512287b4a47403c11333feed793

Analysis

max time kernel
113s
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
29-11-2024 15:18

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General

Target

141f7cc06618c20466f7ae0a5e2324c497f07512287b4a47403c11333feed793N.exe
Size

34KB
MD5

649c084c2c8b386c049de91c64e5e330
SHA1

5791fc0dffd391aea6d32d7a29afa8106361e44e
SHA256

141f7cc06618c20466f7ae0a5e2324c497f07512287b4a47403c11333feed793
SHA512

415bdeacc162f433726cf1b3996619cb7e57d09bf092e2e487c90899b5aab118f9bbcd24a5277ff8502d0f108d017688557e29e695e64f97989013fd1fb5bb9f
SSDEEP

768:xp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9JS:xpYoX58z1uirL98xMWnT0OQ9JS

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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\F0606334 = "C:\\Users\\Admin\\AppData\\Roaming\\F0606334\\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/972-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2904	4000	WerFault.exe	83

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	141f7cc06618c20466f7ae0a5e2324c497f07512287b4a47403c11333feed793N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4000	winver.exe
4000	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4000	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 972 wrote to memory of 4000	972	141f7cc06618c20466f7ae0a5e2324c497f07512287b4a47403c11333feed793N.exe	83
PID 972 wrote to memory of 4000	972	141f7cc06618c20466f7ae0a5e2324c497f07512287b4a47403c11333feed793N.exe	83
PID 972 wrote to memory of 4000	972	141f7cc06618c20466f7ae0a5e2324c497f07512287b4a47403c11333feed793N.exe	83
PID 972 wrote to memory of 4000	972	141f7cc06618c20466f7ae0a5e2324c497f07512287b4a47403c11333feed793N.exe	83
PID 4000 wrote to memory of 3520	4000	winver.exe	56
PID 4000 wrote to memory of 2528	4000	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2528

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\141f7cc06618c20466f7ae0a5e2324c497f07512287b4a47403c11333feed793N.exe
  "C:\Users\Admin\AppData\Local\Temp\141f7cc06618c20466f7ae0a5e2324c497f07512287b4a47403c11333feed793N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:972
- - 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:4000
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4000 -s 352
      4⤵
      Program crash
      PID:2904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4000 -ip 4000
1⤵
PID:3856

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/972-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/972-1-0x00000000007C0000-0x00000000007C1000-memory.dmp

Filesize
4KB

Download
memory/972-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/972-4-0x0000000002380000-0x0000000002D80000-memory.dmp

Filesize
10.0MB

Download
memory/972-9-0x0000000002380000-0x0000000002D80000-memory.dmp

Filesize
10.0MB

Download
memory/2528-13-0x0000000000E40000-0x0000000000E46000-memory.dmp

Filesize
24KB

Download
memory/3520-2-0x0000000002950000-0x0000000002956000-memory.dmp

Filesize
24KB

Download
memory/3520-6-0x00007FFB47EAD000-0x00007FFB47EAE000-memory.dmp

Filesize
4KB

Download
memory/3520-3-0x0000000002950000-0x0000000002956000-memory.dmp

Filesize
24KB

Download
memory/4000-7-0x00007FFB47E10000-0x00007FFB48005000-memory.dmp

Filesize
2.0MB

Download
memory/4000-5-0x0000000077282000-0x0000000077283000-memory.dmp

Filesize
4KB

Download
memory/4000-11-0x0000000000AF0000-0x0000000000AF6000-memory.dmp

Filesize
24KB

Download
memory/4000-14-0x0000000000AF0000-0x0000000000AF6000-memory.dmp

Filesize
24KB

Download