tinba | f8de686e0d09b6a668dc28a5ab7ceac7e45f541e6434bf7c6adf68f3425f8806

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-01-2025 08:18

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General

Target

f8de686e0d09b6a668dc28a5ab7ceac7e45f541e6434bf7c6adf68f3425f8806.exe
Size

110KB
MD5

0f5650a13cb902766ba842bf6d2f44b9
SHA1

c06c282cadf134b73e625d217e55cd057efda4a7
SHA256

f8de686e0d09b6a668dc28a5ab7ceac7e45f541e6434bf7c6adf68f3425f8806
SHA512

7825f3925d9d23bd48921d6504bc5e2cae9afb5debd7acb28f556e5bf4d81aaec9825ef462f225bc69100e36ed8e85e4b42948d2598889784fbf08c4f26e5cda
SSDEEP

1536:FiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:FiyvRmDLs/ZrwWJjAqGcRJ2hw

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\87FC831F = "C:\\Users\\Admin\\AppData\\Roaming\\87FC831F\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2320-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

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	f8de686e0d09b6a668dc28a5ab7ceac7e45f541e6434bf7c6adf68f3425f8806.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe
1736	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1736	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 1736	2320	f8de686e0d09b6a668dc28a5ab7ceac7e45f541e6434bf7c6adf68f3425f8806.exe	32
PID 2320 wrote to memory of 1736	2320	f8de686e0d09b6a668dc28a5ab7ceac7e45f541e6434bf7c6adf68f3425f8806.exe	32
PID 2320 wrote to memory of 1736	2320	f8de686e0d09b6a668dc28a5ab7ceac7e45f541e6434bf7c6adf68f3425f8806.exe	32
PID 2320 wrote to memory of 1736	2320	f8de686e0d09b6a668dc28a5ab7ceac7e45f541e6434bf7c6adf68f3425f8806.exe	32
PID 2320 wrote to memory of 1736	2320	f8de686e0d09b6a668dc28a5ab7ceac7e45f541e6434bf7c6adf68f3425f8806.exe	32
PID 1736 wrote to memory of 1144	1736	winver.exe	20
PID 1736 wrote to memory of 1072	1736	winver.exe	17
PID 1736 wrote to memory of 1084	1736	winver.exe	18
PID 1736 wrote to memory of 1144	1736	winver.exe	20
PID 1736 wrote to memory of 2040	1736	winver.exe	23

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1072

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1084

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1144
- C:\Users\Admin\AppData\Local\Temp\f8de686e0d09b6a668dc28a5ab7ceac7e45f541e6434bf7c6adf68f3425f8806.exe
  "C:\Users\Admin\AppData\Local\Temp\f8de686e0d09b6a668dc28a5ab7ceac7e45f541e6434bf7c6adf68f3425f8806.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2320
- - 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:1736

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2040

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/1072-25-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1072-26-0x00000000772F1000-0x00000000772F2000-memory.dmp

Filesize
4KB

Download
memory/1084-27-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/1084-20-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/1144-28-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1144-22-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1144-10-0x00000000772F1000-0x00000000772F2000-memory.dmp

Filesize
4KB

Download
memory/1144-4-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1144-3-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1144-2-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1736-29-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/1736-11-0x00000000772A0000-0x0000000077449000-memory.dmp

Filesize
1.7MB

Download
memory/1736-9-0x000000007749F000-0x00000000774A1000-memory.dmp

Filesize
8KB

Download
memory/1736-8-0x000000007749F000-0x00000000774A0000-memory.dmp

Filesize
4KB

Download
memory/1736-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/1736-7-0x00000000774A0000-0x00000000774A1000-memory.dmp

Filesize
4KB

Download
memory/2040-30-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2040-31-0x00000000772F1000-0x00000000772F2000-memory.dmp

Filesize
4KB

Download
memory/2040-24-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2320-5-0x0000000001E40000-0x0000000002840000-memory.dmp

Filesize
10.0MB

Download
memory/2320-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2320-13-0x0000000001E40000-0x0000000002840000-memory.dmp

Filesize
10.0MB

Download
memory/2320-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2320-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download