tinba | afa297a303a0b6edf27b374d64df1598cf460006db0e1fd452b5da275debd6a1

General

Target

afa297a303a0b6edf27b374d64df1598cf460006db0e1fd452b5da275debd6a1N.exe
Size

110KB
MD5

d5301a495bfe149b5cc5eb814232d6d0
SHA1

434a9af135960ecc9f84b2f72f3b99c1675d0e28
SHA256

afa297a303a0b6edf27b374d64df1598cf460006db0e1fd452b5da275debd6a1
SHA512

f1f24029c8161132487a58b449c42619e4d5498e72501bbfe5c1ea52f31f6ae05327620f08b39d4900d96476b92ab5006d1bf1b219120da32c24ebc2c2f3c214
SSDEEP

1536:oiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:oiyvRmDLs/ZrwWJjAqGcRJ2hA

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8B72D01D = "C:\\Users\\Admin\\AppData\\Roaming\\8B72D01D\\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/116-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2392	1948	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	afa297a303a0b6edf27b374d64df1598cf460006db0e1fd452b5da275debd6a1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1948	winver.exe
1948	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3496	Explorer.EXE
Token: SeCreatePagefilePrivilege	3496	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1948	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 116 wrote to memory of 1948	116	afa297a303a0b6edf27b374d64df1598cf460006db0e1fd452b5da275debd6a1N.exe	84
PID 116 wrote to memory of 1948	116	afa297a303a0b6edf27b374d64df1598cf460006db0e1fd452b5da275debd6a1N.exe	84
PID 116 wrote to memory of 1948	116	afa297a303a0b6edf27b374d64df1598cf460006db0e1fd452b5da275debd6a1N.exe	84
PID 116 wrote to memory of 1948	116	afa297a303a0b6edf27b374d64df1598cf460006db0e1fd452b5da275debd6a1N.exe	84
PID 1948 wrote to memory of 3496	1948	winver.exe	56
PID 1948 wrote to memory of 2756	1948	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2756

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3496
- C:\Users\Admin\AppData\Local\Temp\afa297a303a0b6edf27b374d64df1598cf460006db0e1fd452b5da275debd6a1N.exe
  "C:\Users\Admin\AppData\Local\Temp\afa297a303a0b6edf27b374d64df1598cf460006db0e1fd452b5da275debd6a1N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:116
- - 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:1948
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 352
      4⤵
      Program crash
      PID:2392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1948 -ip 1948
1⤵
PID:1340

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/116-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/116-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/116-9-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/116-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/116-4-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/1948-5-0x0000000077A42000-0x0000000077A43000-memory.dmp

Filesize
4KB

Download
memory/1948-7-0x00007FFB43E90000-0x00007FFB44085000-memory.dmp

Filesize
2.0MB

Download
memory/1948-11-0x0000000002890000-0x0000000002896000-memory.dmp

Filesize
24KB

Download
memory/1948-15-0x0000000002890000-0x0000000002896000-memory.dmp

Filesize
24KB

Download
memory/2756-13-0x0000000000890000-0x0000000000896000-memory.dmp

Filesize
24KB

Download
memory/2756-14-0x00007FFB43F2D000-0x00007FFB43F2E000-memory.dmp

Filesize
4KB

Download
memory/2756-16-0x0000000000890000-0x0000000000896000-memory.dmp

Filesize
24KB

Download
memory/3496-6-0x00007FFB43F2D000-0x00007FFB43F2E000-memory.dmp

Filesize
4KB

Download
memory/3496-3-0x0000000002780000-0x0000000002786000-memory.dmp

Filesize
24KB

Download
memory/3496-2-0x0000000002780000-0x0000000002786000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads