tinba | f12b6dd2ea07de530f5f139dd06f33a5a57eed25db16fc06e8381190b2f295fd

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2025 04:09

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General

Target

f12b6dd2ea07de530f5f139dd06f33a5a57eed25db16fc06e8381190b2f295fd.exe
Size

45KB
MD5

d4bb4c126ea401f69a6060b65edca8d4
SHA1

6e1d33ec95a440959ba8352ff0c11150f9d2d809
SHA256

f12b6dd2ea07de530f5f139dd06f33a5a57eed25db16fc06e8381190b2f295fd
SHA512

65d2eac28f8b3e42b45b54910ebb8835f81c5b9c84ef28c35d5956d5a6fbdf85629db2ef3adf2a9c9403879296be1d0bf6ddccc1b3b5f98f0f55a11afd69e578
SSDEEP

768:ohP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2V:UsWE9N5dFu53dsniQaB/xZ14n7zIF+q5

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\CDAA1CBD = "C:\\Users\\Admin\\AppData\\Roaming\\CDAA1CBD\\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/1904-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1728	1816	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	f12b6dd2ea07de530f5f139dd06f33a5a57eed25db16fc06e8381190b2f295fd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1816	winver.exe
1816	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3360	Explorer.EXE
Token: SeCreatePagefilePrivilege	3360	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1816	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1904 wrote to memory of 1816	1904	f12b6dd2ea07de530f5f139dd06f33a5a57eed25db16fc06e8381190b2f295fd.exe	84
PID 1904 wrote to memory of 1816	1904	f12b6dd2ea07de530f5f139dd06f33a5a57eed25db16fc06e8381190b2f295fd.exe	84
PID 1904 wrote to memory of 1816	1904	f12b6dd2ea07de530f5f139dd06f33a5a57eed25db16fc06e8381190b2f295fd.exe	84
PID 1904 wrote to memory of 1816	1904	f12b6dd2ea07de530f5f139dd06f33a5a57eed25db16fc06e8381190b2f295fd.exe	84
PID 1816 wrote to memory of 3360	1816	winver.exe	55
PID 1816 wrote to memory of 384	1816	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:384

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3360
- C:\Users\Admin\AppData\Local\Temp\f12b6dd2ea07de530f5f139dd06f33a5a57eed25db16fc06e8381190b2f295fd.exe
  "C:\Users\Admin\AppData\Local\Temp\f12b6dd2ea07de530f5f139dd06f33a5a57eed25db16fc06e8381190b2f295fd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1904
- - 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:1816
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1816 -s 352
      4⤵
      Program crash
      PID:1728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1816 -ip 1816
1⤵
PID:1172

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/384-13-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/1816-6-0x00007FF96A550000-0x00007FF96A745000-memory.dmp

Filesize
2.0MB

Download
memory/1816-11-0x0000000000F90000-0x0000000000F96000-memory.dmp

Filesize
24KB

Download
memory/1816-14-0x0000000000F90000-0x0000000000F96000-memory.dmp

Filesize
24KB

Download
memory/1904-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1904-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/1904-4-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/1904-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1904-9-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/3360-3-0x0000000001040000-0x0000000001046000-memory.dmp

Filesize
24KB

Download
memory/3360-5-0x00007FF96A5ED000-0x00007FF96A5EE000-memory.dmp

Filesize
4KB

Download
memory/3360-2-0x0000000001040000-0x0000000001046000-memory.dmp

Filesize
24KB

Download