tinba | cf6afb60f0274695c2a787248fa1fff64d89f7f0c6d9bb24a98505b62c8c97a3

Analysis

max time kernel
110s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 16:05

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General

Target

cf6afb60f0274695c2a787248fa1fff64d89f7f0c6d9bb24a98505b62c8c97a3N.exe
Size

45KB
MD5

1a8833caddac2a77e2ce22fb85b770c0
SHA1

d39ea3698a6d74b69457a3d549999cc752de8a30
SHA256

cf6afb60f0274695c2a787248fa1fff64d89f7f0c6d9bb24a98505b62c8c97a3
SHA512

41c093e3d500974d14802609baf1d54558df3a0e82ef1c049e5eca83133560ce6949d32a67cfe8f6008957404c86cf1a431f50eb03e7a376894b4b9fc1569822
SSDEEP

768:ChP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ21:usWE9N5dFu53dsniQaB/xZ14n7zIF+qZ

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\0404709E = "C:\\Users\\Admin\\AppData\\Roaming\\0404709E\\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/2716-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4024	3416	WerFault.exe	86

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	cf6afb60f0274695c2a787248fa1fff64d89f7f0c6d9bb24a98505b62c8c97a3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3416	winver.exe
3416	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3340	Explorer.EXE
Token: SeCreatePagefilePrivilege	3340	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3416	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 3416	2716	cf6afb60f0274695c2a787248fa1fff64d89f7f0c6d9bb24a98505b62c8c97a3N.exe	86
PID 2716 wrote to memory of 3416	2716	cf6afb60f0274695c2a787248fa1fff64d89f7f0c6d9bb24a98505b62c8c97a3N.exe	86
PID 2716 wrote to memory of 3416	2716	cf6afb60f0274695c2a787248fa1fff64d89f7f0c6d9bb24a98505b62c8c97a3N.exe	86
PID 2716 wrote to memory of 3416	2716	cf6afb60f0274695c2a787248fa1fff64d89f7f0c6d9bb24a98505b62c8c97a3N.exe	86
PID 3416 wrote to memory of 3340	3416	winver.exe	55
PID 3416 wrote to memory of 2824	3416	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2824

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3340
- C:\Users\Admin\AppData\Local\Temp\cf6afb60f0274695c2a787248fa1fff64d89f7f0c6d9bb24a98505b62c8c97a3N.exe
  "C:\Users\Admin\AppData\Local\Temp\cf6afb60f0274695c2a787248fa1fff64d89f7f0c6d9bb24a98505b62c8c97a3N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2716
- - 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:3416
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3416 -s 356
      4⤵
      Program crash
      PID:4024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3416 -ip 3416
1⤵
PID:2656

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/2716-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2716-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/2716-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2716-4-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/2716-9-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/2824-13-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/3340-2-0x0000000000780000-0x0000000000786000-memory.dmp

Filesize
24KB

Download
memory/3340-6-0x00007FFAA83AD000-0x00007FFAA83AE000-memory.dmp

Filesize
4KB

Download
memory/3340-3-0x0000000000780000-0x0000000000786000-memory.dmp

Filesize
24KB

Download
memory/3416-7-0x00007FFAA8310000-0x00007FFAA8505000-memory.dmp

Filesize
2.0MB

Download
memory/3416-5-0x00000000778C2000-0x00000000778C3000-memory.dmp

Filesize
4KB

Download
memory/3416-11-0x00000000013D0000-0x00000000013D6000-memory.dmp

Filesize
24KB

Download
memory/3416-14-0x00000000013D0000-0x00000000013D6000-memory.dmp

Filesize
24KB

Download