tinba | ee7d16b480f75d425f4253631945b0cc4187275f8a12a8486edd4a6ce37a0c4d

Analysis

max time kernel
109s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2024 10:08

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General

Target

ee7d16b480f75d425f4253631945b0cc4187275f8a12a8486edd4a6ce37a0c4d.exe
Size

110KB
MD5

0bdbf4c55e6c47e2b1c8ea2eda3da42f
SHA1

04ec89b915583941fe8a811f7ce2bb96d764a5a7
SHA256

ee7d16b480f75d425f4253631945b0cc4187275f8a12a8486edd4a6ce37a0c4d
SHA512

79ba16c88823ecddc8debc5ccebf875da9eac9d6ffd4ed27af52896c79eb86fb3c379bd49f62a50637bd22d891e1ba057218ce109f904399dda3f07a147a2c7a
SSDEEP

1536:UiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:UiyvRmDLs/ZrwWJjAqGcRJ2hw

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\264B3031 = "C:\\Users\\Admin\\AppData\\Roaming\\264B3031\\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/4152-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4452	956	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ee7d16b480f75d425f4253631945b0cc4187275f8a12a8486edd4a6ce37a0c4d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
956	winver.exe
956	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
956	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4152 wrote to memory of 956	4152	ee7d16b480f75d425f4253631945b0cc4187275f8a12a8486edd4a6ce37a0c4d.exe	84
PID 4152 wrote to memory of 956	4152	ee7d16b480f75d425f4253631945b0cc4187275f8a12a8486edd4a6ce37a0c4d.exe	84
PID 4152 wrote to memory of 956	4152	ee7d16b480f75d425f4253631945b0cc4187275f8a12a8486edd4a6ce37a0c4d.exe	84
PID 4152 wrote to memory of 956	4152	ee7d16b480f75d425f4253631945b0cc4187275f8a12a8486edd4a6ce37a0c4d.exe	84
PID 956 wrote to memory of 3524	956	winver.exe	56
PID 956 wrote to memory of 2884	956	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2884

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3524
- C:\Users\Admin\AppData\Local\Temp\ee7d16b480f75d425f4253631945b0cc4187275f8a12a8486edd4a6ce37a0c4d.exe
  "C:\Users\Admin\AppData\Local\Temp\ee7d16b480f75d425f4253631945b0cc4187275f8a12a8486edd4a6ce37a0c4d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4152
- - 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:956
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 956 -s 352
      4⤵
      Program crash
      PID:4452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 956 -ip 956
1⤵
PID:3484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/956-5-0x0000000077E32000-0x0000000077E33000-memory.dmp

Filesize
4KB

Download
memory/956-14-0x0000000000DC0000-0x0000000000DC6000-memory.dmp

Filesize
24KB

Download
memory/956-11-0x0000000000DC0000-0x0000000000DC6000-memory.dmp

Filesize
24KB

Download
memory/956-7-0x00007FFF77F90000-0x00007FFF78185000-memory.dmp

Filesize
2.0MB

Download
memory/2884-13-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/3524-2-0x0000000002910000-0x0000000002916000-memory.dmp

Filesize
24KB

Download
memory/3524-6-0x00007FFF7802D000-0x00007FFF7802E000-memory.dmp

Filesize
4KB

Download
memory/3524-3-0x0000000002910000-0x0000000002916000-memory.dmp

Filesize
24KB

Download
memory/4152-4-0x0000000002340000-0x0000000002D40000-memory.dmp

Filesize
10.0MB

Download
memory/4152-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4152-9-0x0000000002340000-0x0000000002D40000-memory.dmp

Filesize
10.0MB

Download
memory/4152-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4152-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download