tinba | 25ed4ad3786d62d66acdb4619e14d01c9b0d4ea6320a235f5c956ff08ae82c14

Analysis

max time kernel
111s
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
12-01-2025 08:06

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General

Target

25ed4ad3786d62d66acdb4619e14d01c9b0d4ea6320a235f5c956ff08ae82c14N.exe
Size

45KB
MD5

01042828e00a5f7ff46fcd7ef6441bd0
SHA1

5d8b75a587ab58e6333bc66f1e83ef5d9c2688a1
SHA256

25ed4ad3786d62d66acdb4619e14d01c9b0d4ea6320a235f5c956ff08ae82c14
SHA512

913c9dbe4e16bc2adda6c3965d605b2ffce7eab2683c9557dc2d56e52591e86c6e6bdaf88cf706f74cf3da29d32da6e6166ca2065f473a6764379464407c07c7
SSDEEP

768:yhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2/:+sWE9N5dFu53dsniQaB/xZ14n7zIF+qL

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\214B0E37 = "C:\\Users\\Admin\\AppData\\Roaming\\214B0E37\\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/1216-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3820	2356	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	25ed4ad3786d62d66acdb4619e14d01c9b0d4ea6320a235f5c956ff08ae82c14N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2356	winver.exe
2356	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2356	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1216 wrote to memory of 2356	1216	25ed4ad3786d62d66acdb4619e14d01c9b0d4ea6320a235f5c956ff08ae82c14N.exe	84
PID 1216 wrote to memory of 2356	1216	25ed4ad3786d62d66acdb4619e14d01c9b0d4ea6320a235f5c956ff08ae82c14N.exe	84
PID 1216 wrote to memory of 2356	1216	25ed4ad3786d62d66acdb4619e14d01c9b0d4ea6320a235f5c956ff08ae82c14N.exe	84
PID 1216 wrote to memory of 2356	1216	25ed4ad3786d62d66acdb4619e14d01c9b0d4ea6320a235f5c956ff08ae82c14N.exe	84
PID 2356 wrote to memory of 3420	2356	winver.exe	56
PID 2356 wrote to memory of 2836	2356	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2836

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3420
- C:\Users\Admin\AppData\Local\Temp\25ed4ad3786d62d66acdb4619e14d01c9b0d4ea6320a235f5c956ff08ae82c14N.exe
  "C:\Users\Admin\AppData\Local\Temp\25ed4ad3786d62d66acdb4619e14d01c9b0d4ea6320a235f5c956ff08ae82c14N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1216
- - 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:2356
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 352
      4⤵
      Program crash
      PID:3820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2356 -ip 2356
1⤵
PID:3492

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/1216-10-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/1216-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/1216-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1216-4-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/1216-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2356-15-0x0000000002B40000-0x0000000002B46000-memory.dmp

Filesize
24KB

Download
memory/2356-5-0x0000000002B40000-0x0000000002B46000-memory.dmp

Filesize
24KB

Download
memory/2356-6-0x0000000077E72000-0x0000000077E73000-memory.dmp

Filesize
4KB

Download
memory/2356-8-0x00007FFBCB870000-0x00007FFBCBA65000-memory.dmp

Filesize
2.0MB

Download
memory/2836-14-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/3420-2-0x0000000002690000-0x0000000002696000-memory.dmp

Filesize
24KB

Download
memory/3420-7-0x00007FFBCB90D000-0x00007FFBCB90E000-memory.dmp

Filesize
4KB

Download
memory/3420-3-0x0000000002690000-0x0000000002696000-memory.dmp

Filesize
24KB

Download