tinba | 04ec7fb991601cfe6d06b1bb509fb3d9c5f0834558d1c3e71481f9fa213dba95

Analysis

max time kernel
119s
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
13/01/2025, 11:19

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General

Target

04ec7fb991601cfe6d06b1bb509fb3d9c5f0834558d1c3e71481f9fa213dba95N.exe
Size

45KB
MD5

6edc77216125063276498fd1a633a300
SHA1

27ee0cc6f80f98bb0887e6ed8a925b34ad2b5eea
SHA256

04ec7fb991601cfe6d06b1bb509fb3d9c5f0834558d1c3e71481f9fa213dba95
SHA512

6ac11de8e4c6e7bdb5821d7b086f67935afbc1e1f15a83e6c9629d61b1564eb0ca9a8608d00e76c4b54521ea86108cf2c74475c326aa78c2c805bdfca1d8625a
SSDEEP

768:6hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2H:2sWE9N5dFu53dsniQaB/xZ14n7zIF+qT

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EBC6330C = "C:\\Users\\Admin\\AppData\\Roaming\\EBC6330C\\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/3876-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5000	2612	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	04ec7fb991601cfe6d06b1bb509fb3d9c5f0834558d1c3e71481f9fa213dba95N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2612	winver.exe
2612	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2612	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3876 wrote to memory of 2612	3876	04ec7fb991601cfe6d06b1bb509fb3d9c5f0834558d1c3e71481f9fa213dba95N.exe	84
PID 3876 wrote to memory of 2612	3876	04ec7fb991601cfe6d06b1bb509fb3d9c5f0834558d1c3e71481f9fa213dba95N.exe	84
PID 3876 wrote to memory of 2612	3876	04ec7fb991601cfe6d06b1bb509fb3d9c5f0834558d1c3e71481f9fa213dba95N.exe	84
PID 3876 wrote to memory of 2612	3876	04ec7fb991601cfe6d06b1bb509fb3d9c5f0834558d1c3e71481f9fa213dba95N.exe	84
PID 2612 wrote to memory of 3520	2612	winver.exe	56
PID 2612 wrote to memory of 2596	2612	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2596

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\04ec7fb991601cfe6d06b1bb509fb3d9c5f0834558d1c3e71481f9fa213dba95N.exe
  "C:\Users\Admin\AppData\Local\Temp\04ec7fb991601cfe6d06b1bb509fb3d9c5f0834558d1c3e71481f9fa213dba95N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3876
- - 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:2612
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 352
      4⤵
      Program crash
      PID:5000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2612 -ip 2612
1⤵
PID:4180

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/2596-13-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2612-5-0x00000000774D2000-0x00000000774D3000-memory.dmp

Filesize
4KB

Download
memory/2612-14-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/2612-11-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/2612-7-0x00007FFDAB930000-0x00007FFDABB25000-memory.dmp

Filesize
2.0MB

Download
memory/3520-6-0x00007FFDAB9CD000-0x00007FFDAB9CE000-memory.dmp

Filesize
4KB

Download
memory/3520-2-0x0000000001100000-0x0000000001106000-memory.dmp

Filesize
24KB

Download
memory/3520-3-0x0000000001100000-0x0000000001106000-memory.dmp

Filesize
24KB

Download
memory/3876-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3876-4-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download
memory/3876-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3876-9-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download
memory/3876-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download