tinba | 70cffd697f179f30a81c5ddbae803e91fe6a656b7138b8a5571fabfd93e54349

Analysis

max time kernel
134s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-11-2024 08:23

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General

Target

70cffd697f179f30a81c5ddbae803e91fe6a656b7138b8a5571fabfd93e54349.exe
Size

160KB
MD5

412a3144bd8cf9ff16b19df29afab1f4
SHA1

2fb04a9cac8e0f0231e188828b6d4c40de5be7a4
SHA256

70cffd697f179f30a81c5ddbae803e91fe6a656b7138b8a5571fabfd93e54349
SHA512

8de6a6037adb183df73cd147e17f60cfbb1131b9cf463acf6df4172af2d25be75d8c6e367192be0c7dcc6e0cdd98cf4a5e51eed69f09e67a11e4efd9ba6c0d51
SSDEEP

1536:IEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xphM:LY+4MiIkLZJNAQ9J6ve

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3B091CD1 = "C:\\Users\\Admin\\AppData\\Roaming\\3B091CD1\\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/1468-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
116	2432	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	70cffd697f179f30a81c5ddbae803e91fe6a656b7138b8a5571fabfd93e54349.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2432	winver.exe
2432	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3392	Explorer.EXE
Token: SeCreatePagefilePrivilege	3392	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2432	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1468 wrote to memory of 2432	1468	70cffd697f179f30a81c5ddbae803e91fe6a656b7138b8a5571fabfd93e54349.exe	84
PID 1468 wrote to memory of 2432	1468	70cffd697f179f30a81c5ddbae803e91fe6a656b7138b8a5571fabfd93e54349.exe	84
PID 1468 wrote to memory of 2432	1468	70cffd697f179f30a81c5ddbae803e91fe6a656b7138b8a5571fabfd93e54349.exe	84
PID 1468 wrote to memory of 2432	1468	70cffd697f179f30a81c5ddbae803e91fe6a656b7138b8a5571fabfd93e54349.exe	84
PID 2432 wrote to memory of 3392	2432	winver.exe	56
PID 2432 wrote to memory of 2932	2432	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2932

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3392
- C:\Users\Admin\AppData\Local\Temp\70cffd697f179f30a81c5ddbae803e91fe6a656b7138b8a5571fabfd93e54349.exe
  "C:\Users\Admin\AppData\Local\Temp\70cffd697f179f30a81c5ddbae803e91fe6a656b7138b8a5571fabfd93e54349.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1468
- - 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:2432
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2432 -s 356
      4⤵
      Program crash
      PID:116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2432 -ip 2432
1⤵
PID:4388

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/1468-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1468-1-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/1468-11-0x0000000002100000-0x0000000002B00000-memory.dmp

Filesize
10.0MB

Download
memory/1468-10-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1468-4-0x0000000002100000-0x0000000002B00000-memory.dmp

Filesize
10.0MB

Download
memory/2432-8-0x00007FFC99CB0000-0x00007FFC99EA5000-memory.dmp

Filesize
2.0MB

Download
memory/2432-6-0x0000000077322000-0x0000000077323000-memory.dmp

Filesize
4KB

Download
memory/2432-5-0x0000000001190000-0x0000000001196000-memory.dmp

Filesize
24KB

Download
memory/2432-16-0x0000000001190000-0x0000000001196000-memory.dmp

Filesize
24KB

Download
memory/2932-15-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3392-7-0x00007FFC99D4D000-0x00007FFC99D4E000-memory.dmp

Filesize
4KB

Download
memory/3392-2-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/3392-3-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download