tinba | abb82b0a5e0e9b9007d64cb2ccb7d0edf1b9d6070c328431c79af49f03bcfb61

Analysis

max time kernel
96s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 20:45

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General

Target

abb82b0a5e0e9b9007d64cb2ccb7d0edf1b9d6070c328431c79af49f03bcfb61N.exe
Size

110KB
MD5

8893d490c7857e60807139c7b878cca0
SHA1

fc977a3222b85a314e7d64b6d0cdd231279f64a9
SHA256

abb82b0a5e0e9b9007d64cb2ccb7d0edf1b9d6070c328431c79af49f03bcfb61
SHA512

94bbd42d9dab3ea078e375481cc4634e6f1a5830ba84eaa1e1e8b9855018ad0bd00c31bfbfa03eb97ea3a75d44863cf085a4d47b193e2b579738bed1c10fe1f0
SSDEEP

1536:niLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:niyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\93D86474 = "C:\\Users\\Admin\\AppData\\Roaming\\93D86474\\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/4024-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4788	3728	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	abb82b0a5e0e9b9007d64cb2ccb7d0edf1b9d6070c328431c79af49f03bcfb61N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3728	winver.exe
3728	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3364	Explorer.EXE
Token: SeCreatePagefilePrivilege	3364	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3728	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4024 wrote to memory of 3728	4024	abb82b0a5e0e9b9007d64cb2ccb7d0edf1b9d6070c328431c79af49f03bcfb61N.exe	84
PID 4024 wrote to memory of 3728	4024	abb82b0a5e0e9b9007d64cb2ccb7d0edf1b9d6070c328431c79af49f03bcfb61N.exe	84
PID 4024 wrote to memory of 3728	4024	abb82b0a5e0e9b9007d64cb2ccb7d0edf1b9d6070c328431c79af49f03bcfb61N.exe	84
PID 4024 wrote to memory of 3728	4024	abb82b0a5e0e9b9007d64cb2ccb7d0edf1b9d6070c328431c79af49f03bcfb61N.exe	84
PID 3728 wrote to memory of 3364	3728	winver.exe	56
PID 3728 wrote to memory of 2892	3728	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2892

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3364
- C:\Users\Admin\AppData\Local\Temp\abb82b0a5e0e9b9007d64cb2ccb7d0edf1b9d6070c328431c79af49f03bcfb61N.exe
  "C:\Users\Admin\AppData\Local\Temp\abb82b0a5e0e9b9007d64cb2ccb7d0edf1b9d6070c328431c79af49f03bcfb61N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4024
- - 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:3728
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3728 -s 352
      4⤵
      Program crash
      PID:4788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3728 -ip 3728
1⤵
PID:1524

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/2892-14-0x0000000000C50000-0x0000000000C56000-memory.dmp

Filesize
24KB

Download
memory/3364-7-0x00007FFB9F34D000-0x00007FFB9F34E000-memory.dmp

Filesize
4KB

Download
memory/3364-2-0x00000000027C0000-0x00000000027C6000-memory.dmp

Filesize
24KB

Download
memory/3364-3-0x00000000027C0000-0x00000000027C6000-memory.dmp

Filesize
24KB

Download
memory/3728-6-0x0000000077D72000-0x0000000077D73000-memory.dmp

Filesize
4KB

Download
memory/3728-5-0x0000000001060000-0x0000000001066000-memory.dmp

Filesize
24KB

Download
memory/3728-8-0x00007FFB9F2B0000-0x00007FFB9F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/3728-15-0x0000000001060000-0x0000000001066000-memory.dmp

Filesize
24KB

Download
memory/4024-4-0x00000000022F0000-0x0000000002CF0000-memory.dmp

Filesize
10.0MB

Download
memory/4024-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4024-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4024-10-0x00000000022F0000-0x0000000002CF0000-memory.dmp

Filesize
10.0MB

Download
memory/4024-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download