tinba | df4f7c8d705ccdabe10ae6cf124935a5a936c334f3fdb42c068123d1f89cc28f

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
07/11/2024, 20:50

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General

Target

df4f7c8d705ccdabe10ae6cf124935a5a936c334f3fdb42c068123d1f89cc28fN.exe
Size

45KB
MD5

b157b54ebf38878c22c3f019dadec810
SHA1

09b35f9d98864d76ed6a3da56c9bb916d3bb6f06
SHA256

df4f7c8d705ccdabe10ae6cf124935a5a936c334f3fdb42c068123d1f89cc28f
SHA512

ed27027dccb88c9f6230104f5aa86cb6b7261031130d00959b1dce7612d3703ad97f7acd5efb44ad3b8a13f40965903760a584f428f30f7e3e1288d8047f8faf
SSDEEP

768:XhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:xsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\65A79277 = "C:\\Users\\Admin\\AppData\\Roaming\\65A79277\\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/2380-0-0x0000000000400000-0x000000000041D000-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	df4f7c8d705ccdabe10ae6cf124935a5a936c334f3fdb42c068123d1f89cc28fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe
1988	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1988	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 1988	2380	df4f7c8d705ccdabe10ae6cf124935a5a936c334f3fdb42c068123d1f89cc28fN.exe	31
PID 2380 wrote to memory of 1988	2380	df4f7c8d705ccdabe10ae6cf124935a5a936c334f3fdb42c068123d1f89cc28fN.exe	31
PID 2380 wrote to memory of 1988	2380	df4f7c8d705ccdabe10ae6cf124935a5a936c334f3fdb42c068123d1f89cc28fN.exe	31
PID 2380 wrote to memory of 1988	2380	df4f7c8d705ccdabe10ae6cf124935a5a936c334f3fdb42c068123d1f89cc28fN.exe	31
PID 2380 wrote to memory of 1988	2380	df4f7c8d705ccdabe10ae6cf124935a5a936c334f3fdb42c068123d1f89cc28fN.exe	31
PID 1988 wrote to memory of 1196	1988	winver.exe	21
PID 1988 wrote to memory of 1100	1988	winver.exe	19
PID 1988 wrote to memory of 1160	1988	winver.exe	20
PID 1988 wrote to memory of 1196	1988	winver.exe	21
PID 1988 wrote to memory of 1208	1988	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\df4f7c8d705ccdabe10ae6cf124935a5a936c334f3fdb42c068123d1f89cc28fN.exe
  "C:\Users\Admin\AppData\Local\Temp\df4f7c8d705ccdabe10ae6cf124935a5a936c334f3fdb42c068123d1f89cc28fN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2380
- - 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:1988

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1208

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/1100-23-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1100-24-0x00000000770A1000-0x00000000770A2000-memory.dmp

Filesize
4KB

Download
memory/1160-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1160-30-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1196-22-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x00000000770A1000-0x00000000770A2000-memory.dmp

Filesize
4KB

Download
memory/1196-26-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1208-32-0x00000000770A1000-0x00000000770A2000-memory.dmp

Filesize
4KB

Download
memory/1208-31-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/1988-25-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1988-6-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1988-7-0x0000000077250000-0x0000000077251000-memory.dmp

Filesize
4KB

Download
memory/1988-8-0x000000007724F000-0x0000000077250000-memory.dmp

Filesize
4KB

Download
memory/1988-9-0x000000007724F000-0x0000000077251000-memory.dmp

Filesize
8KB

Download
memory/1988-11-0x0000000077050000-0x00000000771F9000-memory.dmp

Filesize
1.7MB

Download
memory/2380-13-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/2380-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2380-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2380-5-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/2380-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download