tinba | 2466c65f660283347ce4dd0e5e1be47979a7bd5e7280f790b91a7a6a95361d0b

Analysis

max time kernel
146s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2024 20:33

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General

Target

2466c65f660283347ce4dd0e5e1be47979a7bd5e7280f790b91a7a6a95361d0b.exe
Size

34KB
MD5

d82f446943a647f7d8bfb36bf8b39454
SHA1

c53eb5baeed40922deb5f67a99b5a84d81ac0954
SHA256

2466c65f660283347ce4dd0e5e1be47979a7bd5e7280f790b91a7a6a95361d0b
SHA512

89e65086bb59e2f5671e16fd56b8f9b06d0b58326732dba8df50f595c7918129f0e4e00fe1d367222d297b62819d19354409ae0d21848ad99999e19d9fbf08c8
SSDEEP

768:hp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9JS:hpYoX58z1uirL98xMWnT0OQ9JS

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\78A6E05F = "C:\\Users\\Admin\\AppData\\Roaming\\78A6E05F\\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/3996-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4368	4608	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	2466c65f660283347ce4dd0e5e1be47979a7bd5e7280f790b91a7a6a95361d0b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4608	winver.exe
4608	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4608	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3996 wrote to memory of 4608	3996	2466c65f660283347ce4dd0e5e1be47979a7bd5e7280f790b91a7a6a95361d0b.exe	83
PID 3996 wrote to memory of 4608	3996	2466c65f660283347ce4dd0e5e1be47979a7bd5e7280f790b91a7a6a95361d0b.exe	83
PID 3996 wrote to memory of 4608	3996	2466c65f660283347ce4dd0e5e1be47979a7bd5e7280f790b91a7a6a95361d0b.exe	83
PID 3996 wrote to memory of 4608	3996	2466c65f660283347ce4dd0e5e1be47979a7bd5e7280f790b91a7a6a95361d0b.exe	83
PID 4608 wrote to memory of 3528	4608	winver.exe	56
PID 4608 wrote to memory of 2736	4608	winver.exe	46

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2736

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3528
- C:\Users\Admin\AppData\Local\Temp\2466c65f660283347ce4dd0e5e1be47979a7bd5e7280f790b91a7a6a95361d0b.exe
  "C:\Users\Admin\AppData\Local\Temp\2466c65f660283347ce4dd0e5e1be47979a7bd5e7280f790b91a7a6a95361d0b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3996
- - 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:4608
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 352
      4⤵
      Program crash
      PID:4368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4608 -ip 4608
1⤵
PID:1960

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/2736-13-0x0000000000B90000-0x0000000000B96000-memory.dmp

Filesize
24KB

Download
memory/3528-6-0x00007FFB2874D000-0x00007FFB2874E000-memory.dmp

Filesize
4KB

Download
memory/3528-3-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

Filesize
24KB

Download
memory/3528-2-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

Filesize
24KB

Download
memory/3996-9-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/3996-4-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/3996-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3996-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3996-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/4608-5-0x00000000770E2000-0x00000000770E3000-memory.dmp

Filesize
4KB

Download
memory/4608-7-0x00007FFB286B0000-0x00007FFB288A5000-memory.dmp

Filesize
2.0MB

Download
memory/4608-11-0x0000000000DA0000-0x0000000000DA6000-memory.dmp

Filesize
24KB

Download
memory/4608-14-0x0000000000DA0000-0x0000000000DA6000-memory.dmp

Filesize
24KB

Download