tinba | 939d20a3a11b654015dae2179a0e91104b2dd5be3caefd99840eca9cec5dd4f9

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 04:34

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General

Target

939d20a3a11b654015dae2179a0e91104b2dd5be3caefd99840eca9cec5dd4f9.exe
Size

34KB
MD5

9f62652c1fb61ca6a43a210deb969749
SHA1

af8428e45e7985f9b8f7c77718de14bc93601e0f
SHA256

939d20a3a11b654015dae2179a0e91104b2dd5be3caefd99840eca9cec5dd4f9
SHA512

4ec805e3ee4a911831332fe896e0edb45b34e35bc351e8ee96bd16fd1c716bd0c4cdc8d87b2aab494e41af1c13e6879e674f0add1081ae903981f721686d5957
SSDEEP

768:4p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9JS:4pYoX58z1uirL98xMWnT0OQ9JS

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\B782C011 = "C:\\Users\\Admin\\AppData\\Roaming\\B782C011\\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/764-0-0x0000000000400000-0x0000000000417000-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	939d20a3a11b654015dae2179a0e91104b2dd5be3caefd99840eca9cec5dd4f9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe
2932	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2932	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 764 wrote to memory of 2932	764	939d20a3a11b654015dae2179a0e91104b2dd5be3caefd99840eca9cec5dd4f9.exe	31
PID 764 wrote to memory of 2932	764	939d20a3a11b654015dae2179a0e91104b2dd5be3caefd99840eca9cec5dd4f9.exe	31
PID 764 wrote to memory of 2932	764	939d20a3a11b654015dae2179a0e91104b2dd5be3caefd99840eca9cec5dd4f9.exe	31
PID 764 wrote to memory of 2932	764	939d20a3a11b654015dae2179a0e91104b2dd5be3caefd99840eca9cec5dd4f9.exe	31
PID 764 wrote to memory of 2932	764	939d20a3a11b654015dae2179a0e91104b2dd5be3caefd99840eca9cec5dd4f9.exe	31
PID 2932 wrote to memory of 1388	2932	winver.exe	21
PID 2932 wrote to memory of 1252	2932	winver.exe	19
PID 2932 wrote to memory of 1340	2932	winver.exe	20
PID 2932 wrote to memory of 1388	2932	winver.exe	21
PID 2932 wrote to memory of 1508	2932	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1252

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1340

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1388
- C:\Users\Admin\AppData\Local\Temp\939d20a3a11b654015dae2179a0e91104b2dd5be3caefd99840eca9cec5dd4f9.exe
  "C:\Users\Admin\AppData\Local\Temp\939d20a3a11b654015dae2179a0e91104b2dd5be3caefd99840eca9cec5dd4f9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:764
- - 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:2932

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1508

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/764-13-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/764-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/764-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/764-14-0x0000000001D20000-0x0000000002720000-memory.dmp

Filesize
10.0MB

Download
memory/764-5-0x0000000001D20000-0x0000000002720000-memory.dmp

Filesize
10.0MB

Download
memory/1252-28-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1340-26-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1340-21-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1340-27-0x0000000077C31000-0x0000000077C32000-memory.dmp

Filesize
4KB

Download
memory/1388-3-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/1388-2-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/1388-4-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/1388-23-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1388-10-0x0000000077C31000-0x0000000077C32000-memory.dmp

Filesize
4KB

Download
memory/1388-29-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1508-31-0x0000000077C31000-0x0000000077C32000-memory.dmp

Filesize
4KB

Download
memory/1508-30-0x00000000022C0000-0x00000000022C6000-memory.dmp

Filesize
24KB

Download
memory/1508-25-0x00000000022C0000-0x00000000022C6000-memory.dmp

Filesize
24KB

Download
memory/2932-9-0x0000000077DDF000-0x0000000077DE1000-memory.dmp

Filesize
8KB

Download
memory/2932-7-0x0000000077DE0000-0x0000000077DE1000-memory.dmp

Filesize
4KB

Download
memory/2932-8-0x0000000077DDF000-0x0000000077DE0000-memory.dmp

Filesize
4KB

Download
memory/2932-6-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2932-11-0x0000000077BE0000-0x0000000077D89000-memory.dmp

Filesize
1.7MB

Download
memory/2932-32-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download