tinba | d93324dd032efa2df66954dd57fdc46e5d94be8fa51188fd80e07a4fa090c833

Analysis

max time kernel
109s
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
02-01-2025 03:15

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General

Target

d93324dd032efa2df66954dd57fdc46e5d94be8fa51188fd80e07a4fa090c833N.exe
Size

45KB
MD5

f9c7a24855171a916c6c183d6f738fb0
SHA1

cdb3f173e08f7c327a03444d1638d704e548ce42
SHA256

d93324dd032efa2df66954dd57fdc46e5d94be8fa51188fd80e07a4fa090c833
SHA512

fc1184747a11d3dca3aca31cfd33b9f225aac55836df753dade9c87ebab40da503ffed8e95850a2aef817bf635937f70d8280ce59960efe7392f4fb4862f0b45
SSDEEP

768:HhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:BsWE9N5dFu53dsniQaB/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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\399C5168 = "C:\\Users\\Admin\\AppData\\Roaming\\399C5168\\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/1820-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4092	4488	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	d93324dd032efa2df66954dd57fdc46e5d94be8fa51188fd80e07a4fa090c833N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4488	winver.exe
4488	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4488	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 4488	1820	d93324dd032efa2df66954dd57fdc46e5d94be8fa51188fd80e07a4fa090c833N.exe	84
PID 1820 wrote to memory of 4488	1820	d93324dd032efa2df66954dd57fdc46e5d94be8fa51188fd80e07a4fa090c833N.exe	84
PID 1820 wrote to memory of 4488	1820	d93324dd032efa2df66954dd57fdc46e5d94be8fa51188fd80e07a4fa090c833N.exe	84
PID 1820 wrote to memory of 4488	1820	d93324dd032efa2df66954dd57fdc46e5d94be8fa51188fd80e07a4fa090c833N.exe	84
PID 4488 wrote to memory of 3476	4488	winver.exe	56
PID 4488 wrote to memory of 2792	4488	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2792

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3476
- C:\Users\Admin\AppData\Local\Temp\d93324dd032efa2df66954dd57fdc46e5d94be8fa51188fd80e07a4fa090c833N.exe
  "C:\Users\Admin\AppData\Local\Temp\d93324dd032efa2df66954dd57fdc46e5d94be8fa51188fd80e07a4fa090c833N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1820
- - 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:4488
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 352
      4⤵
      Program crash
      PID:4092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4488 -ip 4488
1⤵
PID:1536

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/1820-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1820-1-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/1820-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1820-4-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/1820-10-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/2792-14-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download
memory/3476-3-0x0000000000A20000-0x0000000000A26000-memory.dmp

Filesize
24KB

Download
memory/3476-7-0x00007FFD8B8ED000-0x00007FFD8B8EE000-memory.dmp

Filesize
4KB

Download
memory/3476-2-0x0000000000A20000-0x0000000000A26000-memory.dmp

Filesize
24KB

Download
memory/4488-5-0x0000000000CA0000-0x0000000000CA6000-memory.dmp

Filesize
24KB

Download
memory/4488-8-0x00007FFD8B850000-0x00007FFD8BA45000-memory.dmp

Filesize
2.0MB

Download
memory/4488-6-0x0000000077B32000-0x0000000077B33000-memory.dmp

Filesize
4KB

Download
memory/4488-15-0x0000000000CA0000-0x0000000000CA6000-memory.dmp

Filesize
24KB

Download