tinba | 7054e17c2620f49314df51d82007e3558858d073a43225dd966469122faf8282

General

Target

c52b08f313a367154a2a644e8705e760N.exe
Size

45KB
MD5

c52b08f313a367154a2a644e8705e760
SHA1

6eaaead1420edc393cf6135989189324b9c84de6
SHA256

7054e17c2620f49314df51d82007e3558858d073a43225dd966469122faf8282
SHA512

478b9dba28e0a2b1455313ec7b46477eae23492896069a8bcd5f5bf937a76ca2b58ad04cf72bc35e9a4736f1fcf31dec813d93e726863777d1091d83e15cd353
SSDEEP

768:MhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:gsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3556-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\90C0A144 = "C:\\Users\\Admin\\AppData\\Roaming\\90C0A144\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1976	3560	WerFault.exe	85

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	c52b08f313a367154a2a644e8705e760N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3560	winver.exe
3560	winver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

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

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3560	winver.exe
3536	Explorer.EXE
3536	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3536	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3556 wrote to memory of 3560	3556	c52b08f313a367154a2a644e8705e760N.exe	85
PID 3556 wrote to memory of 3560	3556	c52b08f313a367154a2a644e8705e760N.exe	85
PID 3556 wrote to memory of 3560	3556	c52b08f313a367154a2a644e8705e760N.exe	85
PID 3556 wrote to memory of 3560	3556	c52b08f313a367154a2a644e8705e760N.exe	85
PID 3560 wrote to memory of 3536	3560	winver.exe	56
PID 3560 wrote to memory of 2668	3560	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2668

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3536
- C:\Users\Admin\AppData\Local\Temp\c52b08f313a367154a2a644e8705e760N.exe
  "C:\Users\Admin\AppData\Local\Temp\c52b08f313a367154a2a644e8705e760N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3556
- - 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:3560
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 352
      4⤵
      Program crash
      PID:1976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3560 -ip 3560
1⤵
PID:1760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2668-16-0x0000000000F60000-0x0000000000F66000-memory.dmp

Filesize
24KB

Download
memory/3536-8-0x00007FFD38DA0000-0x00007FFD38DA1000-memory.dmp

Filesize
4KB

Download
memory/3536-3-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/3536-2-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/3536-12-0x00007FFD38D80000-0x00007FFD38D81000-memory.dmp

Filesize
4KB

Download
memory/3536-6-0x00007FFD38C0D000-0x00007FFD38C0E000-memory.dmp

Filesize
4KB

Download
memory/3556-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3556-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3556-11-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/3556-4-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/3556-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/3560-7-0x00007FFD38B70000-0x00007FFD38D65000-memory.dmp

Filesize
2.0MB

Download
memory/3560-5-0x0000000077642000-0x0000000077643000-memory.dmp

Filesize
4KB

Download
memory/3560-14-0x0000000002690000-0x0000000002696000-memory.dmp

Filesize
24KB

Download
memory/3560-17-0x0000000002690000-0x0000000002696000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads