tinba | a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11

Analysis

max time kernel
104s
max time network
100s
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, 22:04

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General

Target

a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe
Size

45KB
MD5

8fcedbb47a3fde51a940b88ce63c58b0
SHA1

63b0aeb2dbc86a2d9ac2e7f30edbd3a2c3fc5678
SHA256

a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11
SHA512

a1a95e9da1bd016afcb6b981dd9dde28ba80238eafc4d6c19c07e1505e920321756e57c9b845de91070009c715b46ab793ded0993ce71df6fb1af74b6105a914
SSDEEP

768:lhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:3sWE9N5dFu53dsniQaB/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\E2EBDD03 = "C:\\Users\\Admin\\AppData\\Roaming\\E2EBDD03\\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/4036-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1732	860	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	a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
860	winver.exe
860	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
860	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4036 wrote to memory of 860	4036	a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe	84
PID 4036 wrote to memory of 860	4036	a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe	84
PID 4036 wrote to memory of 860	4036	a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe	84
PID 4036 wrote to memory of 860	4036	a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe	84
PID 860 wrote to memory of 3520	860	winver.exe	56
PID 860 wrote to memory of 2496	860	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2496

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe
  "C:\Users\Admin\AppData\Local\Temp\a340e5e8b0261b178fe6913a1ae3447642e9664fd3b1b04a818e81c86bad7f11N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4036
- - 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:860
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 860 -s 352
      4⤵
      Program crash
      PID:1732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 860 -ip 860
1⤵
PID:3360

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/860-6-0x0000000076FE2000-0x0000000076FE3000-memory.dmp

Filesize
4KB

Download
memory/860-15-0x0000000002CC0000-0x0000000002CC6000-memory.dmp

Filesize
24KB

Download
memory/860-8-0x00007FF9C3230000-0x00007FF9C3425000-memory.dmp

Filesize
2.0MB

Download
memory/860-5-0x0000000002CC0000-0x0000000002CC6000-memory.dmp

Filesize
24KB

Download
memory/2496-14-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/3520-2-0x0000000000BB0000-0x0000000000BB6000-memory.dmp

Filesize
24KB

Download
memory/3520-7-0x00007FF9C32CD000-0x00007FF9C32CE000-memory.dmp

Filesize
4KB

Download
memory/3520-3-0x0000000000BB0000-0x0000000000BB6000-memory.dmp

Filesize
24KB

Download
memory/4036-4-0x0000000002340000-0x0000000002D40000-memory.dmp

Filesize
10.0MB

Download
memory/4036-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4036-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4036-10-0x0000000002340000-0x0000000002D40000-memory.dmp

Filesize
10.0MB

Download
memory/4036-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download