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/1616-0-0x0000000000400000-0x0000000000418000-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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\F2D82A42 = "C:\\Users\\Admin\\AppData\\Roaming\\F2D82A42\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4812	2036	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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2036	winver.exe
2036	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2036	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3424	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1616 wrote to memory of 2036	1616	2547f2839e8bed94cb840e417e7d47670f1665ee6448b2ed98a63f5c47e85744.exe	85
PID 1616 wrote to memory of 2036	1616	2547f2839e8bed94cb840e417e7d47670f1665ee6448b2ed98a63f5c47e85744.exe	85
PID 1616 wrote to memory of 2036	1616	2547f2839e8bed94cb840e417e7d47670f1665ee6448b2ed98a63f5c47e85744.exe	85
PID 1616 wrote to memory of 2036	1616	2547f2839e8bed94cb840e417e7d47670f1665ee6448b2ed98a63f5c47e85744.exe	85
PID 2036 wrote to memory of 3424	2036	winver.exe	56
PID 2036 wrote to memory of 2608	2036	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2608

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3424
- 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:1616
- - 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:2036
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2036 -s 352
      4⤵
      Program crash
      PID:4812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2036 -ip 2036
1⤵
PID:704

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/1616-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/1616-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1616-4-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/1616-11-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/1616-9-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2036-13-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/2036-16-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/2036-5-0x0000000077992000-0x0000000077993000-memory.dmp

Filesize
4KB

Download
memory/2036-7-0x00007FF8FA130000-0x00007FF8FA325000-memory.dmp

Filesize
2.0MB

Download
memory/2608-18-0x00007FF8FA350000-0x00007FF8FA351000-memory.dmp

Filesize
4KB

Download
memory/2608-15-0x0000000000890000-0x0000000000896000-memory.dmp

Filesize
24KB

Download
memory/3424-3-0x0000000000E90000-0x0000000000E96000-memory.dmp

Filesize
24KB

Download
memory/3424-10-0x00007FF8FA360000-0x00007FF8FA361000-memory.dmp

Filesize
4KB

Download
memory/3424-6-0x00007FF8FA1CD000-0x00007FF8FA1CE000-memory.dmp

Filesize
4KB

Download
memory/3424-2-0x0000000000E90000-0x0000000000E96000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads