tinba | 5aa5c2002c0be105ba6a62f20aad445ae3f1598490930837a714db4845f6b89b

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2024 01:37

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General

Target

5aa5c2002c0be105ba6a62f20aad445ae3f1598490930837a714db4845f6b89bN.exe
Size

45KB
MD5

78ba02410b21b0f1210f283f2e528fd0
SHA1

0111716d72ee32d37745b4b85e06179b64859790
SHA256

5aa5c2002c0be105ba6a62f20aad445ae3f1598490930837a714db4845f6b89b
SHA512

0dfddd2150241ebf9d6bce86f394fb8c9ea0f91676280d1e5402b4f6dbfa8e2474017257add7d8119d11784877b36361f94b583df7f0c33b1a60af72fdf653fe
SSDEEP

768:/hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2d:psWE9N5dFu53dsniQaB/xZ14n7zIF+qh

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\F69C546E = "C:\\Users\\Admin\\AppData\\Roaming\\F69C546E\\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/4132-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1380	672	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	5aa5c2002c0be105ba6a62f20aad445ae3f1598490930837a714db4845f6b89bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
672	winver.exe
672	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3544	Explorer.EXE
Token: SeCreatePagefilePrivilege	3544	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
672	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4132 wrote to memory of 672	4132	5aa5c2002c0be105ba6a62f20aad445ae3f1598490930837a714db4845f6b89bN.exe	84
PID 4132 wrote to memory of 672	4132	5aa5c2002c0be105ba6a62f20aad445ae3f1598490930837a714db4845f6b89bN.exe	84
PID 4132 wrote to memory of 672	4132	5aa5c2002c0be105ba6a62f20aad445ae3f1598490930837a714db4845f6b89bN.exe	84
PID 4132 wrote to memory of 672	4132	5aa5c2002c0be105ba6a62f20aad445ae3f1598490930837a714db4845f6b89bN.exe	84
PID 672 wrote to memory of 3544	672	winver.exe	56
PID 672 wrote to memory of 2540	672	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2540

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3544
- C:\Users\Admin\AppData\Local\Temp\5aa5c2002c0be105ba6a62f20aad445ae3f1598490930837a714db4845f6b89bN.exe
  "C:\Users\Admin\AppData\Local\Temp\5aa5c2002c0be105ba6a62f20aad445ae3f1598490930837a714db4845f6b89bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4132
- - 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:672
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 672 -s 352
      4⤵
      Program crash
      PID:1380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 672 -ip 672
1⤵
PID:3280

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/672-6-0x0000000077E92000-0x0000000077E93000-memory.dmp

Filesize
4KB

Download
memory/672-15-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/672-8-0x00007FFA7C5D0000-0x00007FFA7C7C5000-memory.dmp

Filesize
2.0MB

Download
memory/672-5-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/2540-14-0x0000000000E40000-0x0000000000E46000-memory.dmp

Filesize
24KB

Download
memory/3544-3-0x0000000001150000-0x0000000001156000-memory.dmp

Filesize
24KB

Download
memory/3544-7-0x00007FFA7C66D000-0x00007FFA7C66E000-memory.dmp

Filesize
4KB

Download
memory/3544-2-0x0000000001150000-0x0000000001156000-memory.dmp

Filesize
24KB

Download
memory/4132-4-0x00000000023A0000-0x0000000002DA0000-memory.dmp

Filesize
10.0MB

Download
memory/4132-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4132-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4132-10-0x00000000023A0000-0x0000000002DA0000-memory.dmp

Filesize
10.0MB

Download
memory/4132-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download