tinba | ac198520eb1edd75e61f90a4cd8085e8820684c7bb8bc13750f9b63825562055

General

Target

ac198520eb1edd75e61f90a4cd8085e8820684c7bb8bc13750f9b63825562055N.exe
Size

110KB
MD5

0e2508ec7472735d63ab8363d70696f0
SHA1

a2786c5785c51e143e22cabf4c10cf0dea80646f
SHA256

ac198520eb1edd75e61f90a4cd8085e8820684c7bb8bc13750f9b63825562055
SHA512

c6834619094485642ada3d23ad21b26af621bbd7885f2dc14caf9611fe3921fb16963d940d73b998fbd9bb957358131898659f200b59035bee3dd852efabc845
SSDEEP

1536:jiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:jiyvRmDLs/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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\51F70D49 = "C:\\Users\\Admin\\AppData\\Roaming\\51F70D49\\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/3260-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3564	1752	WerFault.exe	86

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	ac198520eb1edd75e61f90a4cd8085e8820684c7bb8bc13750f9b63825562055N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1752	winver.exe
1752	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1752	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3260 wrote to memory of 1752	3260	ac198520eb1edd75e61f90a4cd8085e8820684c7bb8bc13750f9b63825562055N.exe	86
PID 3260 wrote to memory of 1752	3260	ac198520eb1edd75e61f90a4cd8085e8820684c7bb8bc13750f9b63825562055N.exe	86
PID 3260 wrote to memory of 1752	3260	ac198520eb1edd75e61f90a4cd8085e8820684c7bb8bc13750f9b63825562055N.exe	86
PID 3260 wrote to memory of 1752	3260	ac198520eb1edd75e61f90a4cd8085e8820684c7bb8bc13750f9b63825562055N.exe	86
PID 1752 wrote to memory of 3452	1752	winver.exe	56
PID 1752 wrote to memory of 2516	1752	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2516

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3452
- C:\Users\Admin\AppData\Local\Temp\ac198520eb1edd75e61f90a4cd8085e8820684c7bb8bc13750f9b63825562055N.exe
  "C:\Users\Admin\AppData\Local\Temp\ac198520eb1edd75e61f90a4cd8085e8820684c7bb8bc13750f9b63825562055N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3260
- - 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:1752
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1752 -s 352
      4⤵
      Program crash
      PID:3564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1752 -ip 1752
1⤵
PID:1568

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/1752-5-0x0000000077DD2000-0x0000000077DD3000-memory.dmp

Filesize
4KB

Download
memory/1752-15-0x0000000000860000-0x0000000000866000-memory.dmp

Filesize
24KB

Download
memory/1752-12-0x0000000000860000-0x0000000000866000-memory.dmp

Filesize
24KB

Download
memory/1752-7-0x00007FFE153B0000-0x00007FFE155A5000-memory.dmp

Filesize
2.0MB

Download
memory/2516-16-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/2516-14-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/3260-10-0x0000000002320000-0x0000000002D20000-memory.dmp

Filesize
10.0MB

Download
memory/3260-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3260-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3260-4-0x0000000002320000-0x0000000002D20000-memory.dmp

Filesize
10.0MB

Download
memory/3260-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/3452-6-0x00007FFE1544D000-0x00007FFE1544E000-memory.dmp

Filesize
4KB

Download
memory/3452-3-0x0000000000C70000-0x0000000000C76000-memory.dmp

Filesize
24KB

Download
memory/3452-2-0x0000000000C70000-0x0000000000C76000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads