tinba | 5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2

Analysis

max time kernel
118s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2024, 13:37

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General

Target

5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe
Size

45KB
MD5

138e764718fc95127d7e45ade0abf6bc
SHA1

533e78a80137bfb198103208dd7749d790f25eec
SHA256

5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2
SHA512

ba637ce8b6e9e3fa19df672e2077bf61a09fc9a425e0482ba8a249658b8154219b44ef2671c0d654bafc95ffa4f86a2a189deb8d15644ea10693be31afdc2480
SSDEEP

768:jhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2N:1sWE9N5dFu53dsniQaB/xZ14n7zIF+qx

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\E0657CE5 = "C:\\Users\\Admin\\AppData\\Roaming\\E0657CE5\\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/1932-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2924	5008	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	5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5008	winver.exe
5008	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5008	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 5008	1932	5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe	84
PID 1932 wrote to memory of 5008	1932	5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe	84
PID 1932 wrote to memory of 5008	1932	5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe	84
PID 1932 wrote to memory of 5008	1932	5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe	84
PID 5008 wrote to memory of 3456	5008	winver.exe	56
PID 5008 wrote to memory of 2784	5008	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2784

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3456
- C:\Users\Admin\AppData\Local\Temp\5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe
  "C:\Users\Admin\AppData\Local\Temp\5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1932
- - 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:5008
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5008 -s 352
      4⤵
      Program crash
      PID:2924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5008 -ip 5008
1⤵
PID:1992

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/1932-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1932-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/1932-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1932-4-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/1932-10-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/2784-16-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2784-14-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/3456-2-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/3456-6-0x00007FFC073ED000-0x00007FFC073EE000-memory.dmp

Filesize
4KB

Download
memory/3456-3-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/5008-7-0x00007FFC07350000-0x00007FFC07545000-memory.dmp

Filesize
2.0MB

Download
memory/5008-5-0x0000000076FC2000-0x0000000076FC3000-memory.dmp

Filesize
4KB

Download
memory/5008-12-0x0000000001070000-0x0000000001076000-memory.dmp

Filesize
24KB

Download
memory/5008-15-0x0000000001070000-0x0000000001076000-memory.dmp

Filesize
24KB

Download