tinba | 1ad481d8f1b50975d7839db08e0c50ecd8fb7cb7079453e4b2ff550d6128aa5d

Analysis

max time kernel
148s
max time network
149s
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 07:36

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General

Target

1ad481d8f1b50975d7839db08e0c50ecd8fb7cb7079453e4b2ff550d6128aa5d.exe
Size

45KB
MD5

b015461b7ab36a716b6f2236b1255049
SHA1

f313d5707580cbe5c679b1d7596ea33ee0b5c698
SHA256

1ad481d8f1b50975d7839db08e0c50ecd8fb7cb7079453e4b2ff550d6128aa5d
SHA512

afc0c420e62380f98744af2a58442ebced11c7b025a8809431969faecc5bc5930d0bc98fdc326ceb33c935bc06263efc866a493ab1720a5ba8551b79369489b1
SSDEEP

768:HhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2/:BsWE9N5dFu53dsniQaB/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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\099FEBA9 = "C:\\Users\\Admin\\AppData\\Roaming\\099FEBA9\\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/1260-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1244	3156	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1ad481d8f1b50975d7839db08e0c50ecd8fb7cb7079453e4b2ff550d6128aa5d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3156	winver.exe
3156	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
3156	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1260 wrote to memory of 3156	1260	1ad481d8f1b50975d7839db08e0c50ecd8fb7cb7079453e4b2ff550d6128aa5d.exe	83
PID 1260 wrote to memory of 3156	1260	1ad481d8f1b50975d7839db08e0c50ecd8fb7cb7079453e4b2ff550d6128aa5d.exe	83
PID 1260 wrote to memory of 3156	1260	1ad481d8f1b50975d7839db08e0c50ecd8fb7cb7079453e4b2ff550d6128aa5d.exe	83
PID 1260 wrote to memory of 3156	1260	1ad481d8f1b50975d7839db08e0c50ecd8fb7cb7079453e4b2ff550d6128aa5d.exe	83
PID 3156 wrote to memory of 3416	3156	winver.exe	56
PID 3156 wrote to memory of 2612	3156	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\1ad481d8f1b50975d7839db08e0c50ecd8fb7cb7079453e4b2ff550d6128aa5d.exe
  "C:\Users\Admin\AppData\Local\Temp\1ad481d8f1b50975d7839db08e0c50ecd8fb7cb7079453e4b2ff550d6128aa5d.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:3156
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3156 -s 352
      4⤵
      Program crash
      PID:1244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3156 -ip 3156
1⤵
PID:4500

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/1260-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1260-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/1260-4-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/1260-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2612-12-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/3156-5-0x0000000077892000-0x0000000077893000-memory.dmp

Filesize
4KB

Download
memory/3156-7-0x00007FFE18750000-0x00007FFE18945000-memory.dmp

Filesize
2.0MB

Download
memory/3156-10-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

Download
memory/3156-13-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

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

Filesize
24KB

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

Filesize
24KB

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

Filesize
4KB

Download