tinba | 18e7a21dce71c0a4e6aa8c0446d12535363ed2b2ef82afc0b3a77be53a9fd61f

General

Target

18e7a21dce71c0a4e6aa8c0446d12535363ed2b2ef82afc0b3a77be53a9fd61fN.exe
Size

49KB
MD5

bdbacdddcfb6d8df09ebceb205671760
SHA1

c44cfa378d0d8d679c5fc29f96d1975b8ce50de0
SHA256

18e7a21dce71c0a4e6aa8c0446d12535363ed2b2ef82afc0b3a77be53a9fd61f
SHA512

398c59f1776bc1dc8a7ad62c3d0e7dc9f903b45d3e36fc5189e286f5bb468f17fe3801c3edd76a5adf4b535168bb7cd8d97d24f84438577d37557cc2db4925ec
SSDEEP

1536:5OBLXNqgzf2v6b6NkXklZlogHGe9eBXW:5YLduv6OqXIlogmjW

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\D9E0BF5F = "C:\\Users\\Admin\\AppData\\Roaming\\D9E0BF5F\\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/1360-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1660	2104	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	18e7a21dce71c0a4e6aa8c0446d12535363ed2b2ef82afc0b3a77be53a9fd61fN.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
2104	winver.exe
2104	winver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2104	winver.exe
3488	Explorer.EXE
3488	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3488	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1360 wrote to memory of 2104	1360	18e7a21dce71c0a4e6aa8c0446d12535363ed2b2ef82afc0b3a77be53a9fd61fN.exe	84
PID 1360 wrote to memory of 2104	1360	18e7a21dce71c0a4e6aa8c0446d12535363ed2b2ef82afc0b3a77be53a9fd61fN.exe	84
PID 1360 wrote to memory of 2104	1360	18e7a21dce71c0a4e6aa8c0446d12535363ed2b2ef82afc0b3a77be53a9fd61fN.exe	84
PID 1360 wrote to memory of 2104	1360	18e7a21dce71c0a4e6aa8c0446d12535363ed2b2ef82afc0b3a77be53a9fd61fN.exe	84
PID 2104 wrote to memory of 3488	2104	winver.exe	56
PID 2104 wrote to memory of 2696	2104	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2696

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:3488
- C:\Users\Admin\AppData\Local\Temp\18e7a21dce71c0a4e6aa8c0446d12535363ed2b2ef82afc0b3a77be53a9fd61fN.exe
  "C:\Users\Admin\AppData\Local\Temp\18e7a21dce71c0a4e6aa8c0446d12535363ed2b2ef82afc0b3a77be53a9fd61fN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1360
- - 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:2104
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 352
      4⤵
      Program crash
      PID:1660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2104 -ip 2104
1⤵
PID:3524

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1360-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1360-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/1360-11-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/1360-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1360-4-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/2104-5-0x0000000077D72000-0x0000000077D73000-memory.dmp

Filesize
4KB

Download
memory/2104-7-0x00007FFFE04D0000-0x00007FFFE06C5000-memory.dmp

Filesize
2.0MB

Download
memory/2104-14-0x00000000009A0000-0x00000000009A6000-memory.dmp

Filesize
24KB

Download
memory/2104-17-0x00000000009A0000-0x00000000009A6000-memory.dmp

Filesize
24KB

Download
memory/2696-16-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/3488-6-0x00007FFFE056D000-0x00007FFFE056E000-memory.dmp

Filesize
4KB

Download
memory/3488-8-0x00007FFFE0700000-0x00007FFFE0701000-memory.dmp

Filesize
4KB

Download
memory/3488-2-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/3488-3-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/3488-12-0x00007FFFE06E0000-0x00007FFFE06E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads