tinba | 7c468b9acf6bfe94d4c188e2e6291372fb44656e2ed49eed9eb20ff725f27e43

Analysis

max time kernel
102s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2024 08:21

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General

Target

7c468b9acf6bfe94d4c188e2e6291372fb44656e2ed49eed9eb20ff725f27e43.exe
Size

34KB
MD5

93f5b1527e924ced5cbe62bd1d1d04bb
SHA1

7d876e5d1ed33874e98031e14e33aea843cb74ad
SHA256

7c468b9acf6bfe94d4c188e2e6291372fb44656e2ed49eed9eb20ff725f27e43
SHA512

a38a48d102a989e39d19f2e8ffac6458e007964d5bf3493989abdcbbbfa9c09fa66f2ba29cc38addd789774180a79a9a468f111d7fa40540722a47b75646176c
SSDEEP

768:tp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9JS:tpYoX58z1uirL98xMWnT0OQ9JS

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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6A72D0AD = "C:\\Users\\Admin\\AppData\\Roaming\\6A72D0AD\\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/1260-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2656	3076	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	7c468b9acf6bfe94d4c188e2e6291372fb44656e2ed49eed9eb20ff725f27e43.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3076	winver.exe
3076	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3416	Explorer.EXE
Token: SeCreatePagefilePrivilege	3416	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3076	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1260 wrote to memory of 3076	1260	7c468b9acf6bfe94d4c188e2e6291372fb44656e2ed49eed9eb20ff725f27e43.exe	83
PID 1260 wrote to memory of 3076	1260	7c468b9acf6bfe94d4c188e2e6291372fb44656e2ed49eed9eb20ff725f27e43.exe	83
PID 1260 wrote to memory of 3076	1260	7c468b9acf6bfe94d4c188e2e6291372fb44656e2ed49eed9eb20ff725f27e43.exe	83
PID 1260 wrote to memory of 3076	1260	7c468b9acf6bfe94d4c188e2e6291372fb44656e2ed49eed9eb20ff725f27e43.exe	83
PID 3076 wrote to memory of 3416	3076	winver.exe	56
PID 3076 wrote to memory of 2612	3076	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2612

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3416
- C:\Users\Admin\AppData\Local\Temp\7c468b9acf6bfe94d4c188e2e6291372fb44656e2ed49eed9eb20ff725f27e43.exe
  "C:\Users\Admin\AppData\Local\Temp\7c468b9acf6bfe94d4c188e2e6291372fb44656e2ed49eed9eb20ff725f27e43.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1260
- - 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:3076
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3076 -s 360
      4⤵
      Program crash
      PID:2656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3076 -ip 3076
1⤵
PID:1348

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/1260-1-0x0000000000500000-0x0000000000501000-memory.dmp

Filesize
4KB

Download
memory/1260-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1260-4-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/1260-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1260-9-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/2612-13-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/3076-11-0x0000000002990000-0x0000000002996000-memory.dmp

Filesize
24KB

Download
memory/3076-14-0x0000000002990000-0x0000000002996000-memory.dmp

Filesize
24KB

Download
memory/3076-5-0x0000000077892000-0x0000000077893000-memory.dmp

Filesize
4KB

Download
memory/3076-7-0x00007FFE18750000-0x00007FFE18945000-memory.dmp

Filesize
2.0MB

Download
memory/3416-2-0x0000000000F70000-0x0000000000F76000-memory.dmp

Filesize
24KB

Download
memory/3416-6-0x00007FFE187ED000-0x00007FFE187EE000-memory.dmp

Filesize
4KB

Download
memory/3416-3-0x0000000000F70000-0x0000000000F76000-memory.dmp

Filesize
24KB

Download