tinba | a5d5541d92334c120813214b823c6f8111aab7ceb384147e07b5ca4fcea87745

General

Target

a5d5541d92334c120813214b823c6f8111aab7ceb384147e07b5ca4fcea87745.exe
Size

110KB
MD5

e4abbcfc17d35a6fc284f9cfa2d23911
SHA1

dd38080f6ae9326dd343d17f2e447ed29b08f07b
SHA256

a5d5541d92334c120813214b823c6f8111aab7ceb384147e07b5ca4fcea87745
SHA512

0dfc9781fe7d62ff22c2558d70ad091beb2061e4a009330d8c9711fdef636690c30de0f895bebc1cc023014036e96c485e6f93ebc1a2cc2fef1e4bc37945e81b
SSDEEP

1536:eiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:eiyvRmDLs/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\ADC729E5 = "C:\\Users\\Admin\\AppData\\Roaming\\ADC729E5\\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/696-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2908	2940	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	a5d5541d92334c120813214b823c6f8111aab7ceb384147e07b5ca4fcea87745.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2940	winver.exe
2940	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2940	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 696 wrote to memory of 2940	696	a5d5541d92334c120813214b823c6f8111aab7ceb384147e07b5ca4fcea87745.exe	84
PID 696 wrote to memory of 2940	696	a5d5541d92334c120813214b823c6f8111aab7ceb384147e07b5ca4fcea87745.exe	84
PID 696 wrote to memory of 2940	696	a5d5541d92334c120813214b823c6f8111aab7ceb384147e07b5ca4fcea87745.exe	84
PID 696 wrote to memory of 2940	696	a5d5541d92334c120813214b823c6f8111aab7ceb384147e07b5ca4fcea87745.exe	84
PID 2940 wrote to memory of 3440	2940	winver.exe	56
PID 2940 wrote to memory of 3024	2940	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3024

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3440
- C:\Users\Admin\AppData\Local\Temp\a5d5541d92334c120813214b823c6f8111aab7ceb384147e07b5ca4fcea87745.exe
  "C:\Users\Admin\AppData\Local\Temp\a5d5541d92334c120813214b823c6f8111aab7ceb384147e07b5ca4fcea87745.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:696
- - 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:2940
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2940 -s 352
      4⤵
      Program crash
      PID:2908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2940 -ip 2940
1⤵
PID:2284

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/696-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/696-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/696-10-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/696-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/696-4-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/2940-5-0x0000000077AF2000-0x0000000077AF3000-memory.dmp

Filesize
4KB

Download
memory/2940-8-0x00007FFCE62B0000-0x00007FFCE64A5000-memory.dmp

Filesize
2.0MB

Download
memory/2940-12-0x00000000010B0000-0x00000000010B6000-memory.dmp

Filesize
24KB

Download
memory/2940-15-0x00000000010B0000-0x00000000010B6000-memory.dmp

Filesize
24KB

Download
memory/3024-14-0x0000000000990000-0x0000000000996000-memory.dmp

Filesize
24KB

Download
memory/3440-6-0x00007FFCE634D000-0x00007FFCE634E000-memory.dmp

Filesize
4KB

Download
memory/3440-7-0x00007FFCE634C000-0x00007FFCE634D000-memory.dmp

Filesize
4KB

Download
memory/3440-2-0x0000000000A40000-0x0000000000A46000-memory.dmp

Filesize
24KB

Download
memory/3440-3-0x0000000000A40000-0x0000000000A46000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads