tinba | ab8ac2a13284cff6c6417a20b8f32f643ee2c5df9b5d01d60e3459b4ae22aa5b

Analysis

max time kernel
111s
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
04-01-2025 18:33

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General

Target

ab8ac2a13284cff6c6417a20b8f32f643ee2c5df9b5d01d60e3459b4ae22aa5bN.exe
Size

110KB
MD5

3080c1be4a343f9990f5978b8c8820f0
SHA1

9ad6967cdc6e28f2fbf06afede6835d350f790c3
SHA256

ab8ac2a13284cff6c6417a20b8f32f643ee2c5df9b5d01d60e3459b4ae22aa5b
SHA512

bcdcaaec851f7e99c866678d5010d820b8d27e201e5b3e2bfc1e54b36d8fb369ff7501bebf060c6d41b0c8d42a6f8f7392ec00437d7dc3a74fe1cb3e127189cc
SSDEEP

1536:HiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:HiyvRmDLs/ZrwWJjAqGcRJ2hA

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D0E997EA = "C:\\Users\\Admin\\AppData\\Roaming\\D0E997EA\\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/1596-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1964	4536	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	ab8ac2a13284cff6c6417a20b8f32f643ee2c5df9b5d01d60e3459b4ae22aa5bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4536	winver.exe
4536	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3516	Explorer.EXE
Token: SeCreatePagefilePrivilege	3516	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4536	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 4536	1596	ab8ac2a13284cff6c6417a20b8f32f643ee2c5df9b5d01d60e3459b4ae22aa5bN.exe	84
PID 1596 wrote to memory of 4536	1596	ab8ac2a13284cff6c6417a20b8f32f643ee2c5df9b5d01d60e3459b4ae22aa5bN.exe	84
PID 1596 wrote to memory of 4536	1596	ab8ac2a13284cff6c6417a20b8f32f643ee2c5df9b5d01d60e3459b4ae22aa5bN.exe	84
PID 1596 wrote to memory of 4536	1596	ab8ac2a13284cff6c6417a20b8f32f643ee2c5df9b5d01d60e3459b4ae22aa5bN.exe	84
PID 4536 wrote to memory of 3516	4536	winver.exe	56
PID 4536 wrote to memory of 2596	4536	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2596

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3516
- C:\Users\Admin\AppData\Local\Temp\ab8ac2a13284cff6c6417a20b8f32f643ee2c5df9b5d01d60e3459b4ae22aa5bN.exe
  "C:\Users\Admin\AppData\Local\Temp\ab8ac2a13284cff6c6417a20b8f32f643ee2c5df9b5d01d60e3459b4ae22aa5bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1596
- - 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:4536
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4536 -s 352
      4⤵
      Program crash
      PID:1964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4536 -ip 4536
1⤵
PID:936

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/1596-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1596-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/1596-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1596-4-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/1596-10-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/2596-14-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/3516-2-0x0000000000790000-0x0000000000796000-memory.dmp

Filesize
24KB

Download
memory/3516-7-0x00007FFD5FC8D000-0x00007FFD5FC8E000-memory.dmp

Filesize
4KB

Download
memory/3516-3-0x0000000000790000-0x0000000000796000-memory.dmp

Filesize
24KB

Download
memory/4536-5-0x00000000011C0000-0x00000000011C6000-memory.dmp

Filesize
24KB

Download
memory/4536-8-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/4536-6-0x0000000077192000-0x0000000077193000-memory.dmp

Filesize
4KB

Download
memory/4536-15-0x00000000011C0000-0x00000000011C6000-memory.dmp

Filesize
24KB

Download