tinba | b123d0401e44a07fe8bab5f724746be888be93f81fb7304f075d35f2a20fd1f2

General

Target

2547f2839e8bed94cb840e417e7d47670f1665ee6448b2ed98a63f5c47e85744.exe
Size

89KB
MD5

f3264cbd54dee6100118b22c09a3251c
SHA1

4c96e95d86e72aeebcb61ceccdd22e9c9e898c33
SHA256

2547f2839e8bed94cb840e417e7d47670f1665ee6448b2ed98a63f5c47e85744
SHA512

8a682cdf585921238ccefe8c2e5a4d7c346962ff842e132eb8ed8fc675c25473705064a49a7b025fd61a44030f27d80814858f3b5c80605e34665bee8efb1bf3
SSDEEP

1536:xr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:1+4MJIkLZJNAQ9Jo9e

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/3468-0-0x0000000000400000-0x0000000000418000-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\1A4379AC = "C:\\Users\\Admin\\AppData\\Roaming\\1A4379AC\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2540	3048	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	2547f2839e8bed94cb840e417e7d47670f1665ee6448b2ed98a63f5c47e85744.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
3048	winver.exe
3048	winver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3048	winver.exe
3504	Explorer.EXE
3504	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3504	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3468 wrote to memory of 3048	3468	2547f2839e8bed94cb840e417e7d47670f1665ee6448b2ed98a63f5c47e85744.exe	85
PID 3468 wrote to memory of 3048	3468	2547f2839e8bed94cb840e417e7d47670f1665ee6448b2ed98a63f5c47e85744.exe	85
PID 3468 wrote to memory of 3048	3468	2547f2839e8bed94cb840e417e7d47670f1665ee6448b2ed98a63f5c47e85744.exe	85
PID 3468 wrote to memory of 3048	3468	2547f2839e8bed94cb840e417e7d47670f1665ee6448b2ed98a63f5c47e85744.exe	85
PID 3048 wrote to memory of 3504	3048	winver.exe	56
PID 3048 wrote to memory of 2808	3048	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2808

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:3504
- C:\Users\Admin\AppData\Local\Temp\2547f2839e8bed94cb840e417e7d47670f1665ee6448b2ed98a63f5c47e85744.exe
  "C:\Users\Admin\AppData\Local\Temp\2547f2839e8bed94cb840e417e7d47670f1665ee6448b2ed98a63f5c47e85744.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3468
- - 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:3048
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 352
      4⤵
      Program crash
      PID:2540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3048 -ip 3048
1⤵
PID:5048

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

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Downloads

memory/2808-19-0x00007FF9A1A10000-0x00007FF9A1A11000-memory.dmp

Filesize
4KB

Download
memory/2808-16-0x0000000000F70000-0x0000000000F76000-memory.dmp

Filesize
24KB

Download
memory/3048-5-0x00000000773F2000-0x00000000773F3000-memory.dmp

Filesize
4KB

Download
memory/3048-17-0x0000000001510000-0x0000000001516000-memory.dmp

Filesize
24KB

Download
memory/3048-14-0x0000000001510000-0x0000000001516000-memory.dmp

Filesize
24KB

Download
memory/3048-7-0x00007FF9A17F0000-0x00007FF9A19E5000-memory.dmp

Filesize
2.0MB

Download
memory/3468-4-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/3468-10-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3468-11-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/3468-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3468-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/3504-6-0x00007FF9A188D000-0x00007FF9A188E000-memory.dmp

Filesize
4KB

Download
memory/3504-8-0x00007FF9A1A20000-0x00007FF9A1A21000-memory.dmp

Filesize
4KB

Download
memory/3504-12-0x00007FF9A1A00000-0x00007FF9A1A01000-memory.dmp

Filesize
4KB

Download
memory/3504-2-0x00000000010D0000-0x00000000010D6000-memory.dmp

Filesize
24KB

Download
memory/3504-3-0x00000000010D0000-0x00000000010D6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads