tinba | 38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355

Analysis

max time kernel
142s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-01-2025 02:45

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General

Target

38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355N.exe
Size

110KB
MD5

fe52f2d0bde65b46f3690d58dbf708c0
SHA1

f613b369fdd56bf29908f6a9f854a201adf9309a
SHA256

38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355
SHA512

02545224f492bd2169dd91dd0d79a6460d5d62279f0b839fc85eb283df1e286d8284ea522ac604280d3eb7499390c6cd5a4418ef0f6ec6017e4b71c9ac149ed6
SSDEEP

1536:2iLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:2iyvRmDLs/ZrwWJjAqGcRJ2hw

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\823AC4B4 = "C:\\Users\\Admin\\AppData\\Roaming\\823AC4B4\\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/4528-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2100	1520	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	38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1520	winver.exe
1520	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3536	Explorer.EXE
Token: SeCreatePagefilePrivilege	3536	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1520	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4528 wrote to memory of 1520	4528	38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355N.exe	83
PID 4528 wrote to memory of 1520	4528	38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355N.exe	83
PID 4528 wrote to memory of 1520	4528	38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355N.exe	83
PID 4528 wrote to memory of 1520	4528	38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355N.exe	83
PID 1520 wrote to memory of 3536	1520	winver.exe	56
PID 1520 wrote to memory of 2652	1520	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2652

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3536
- C:\Users\Admin\AppData\Local\Temp\38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355N.exe
  "C:\Users\Admin\AppData\Local\Temp\38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4528
- - 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:1520
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1520 -s 352
      4⤵
      Program crash
      PID:2100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1520 -ip 1520
1⤵
PID:2108

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/1520-5-0x0000000077BD2000-0x0000000077BD3000-memory.dmp

Filesize
4KB

Download
memory/1520-14-0x0000000002280000-0x0000000002286000-memory.dmp

Filesize
24KB

Download
memory/1520-11-0x0000000002280000-0x0000000002286000-memory.dmp

Filesize
24KB

Download
memory/1520-7-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/2652-13-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/3536-3-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/3536-6-0x00007FF87446D000-0x00007FF87446E000-memory.dmp

Filesize
4KB

Download
memory/3536-2-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/4528-4-0x00000000023F0000-0x0000000002DF0000-memory.dmp

Filesize
10.0MB

Download
memory/4528-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4528-9-0x00000000023F0000-0x0000000002DF0000-memory.dmp

Filesize
10.0MB

Download
memory/4528-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4528-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download