tinba | 87045597e2ede51139ed4a3b568ef473c38bb8cc62a38bb330fefc2fd1bd9e59

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-10-2024 13:25

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General

Target

87045597e2ede51139ed4a3b568ef473c38bb8cc62a38bb330fefc2fd1bd9e59N.exe
Size

45KB
MD5

d7c7556531537ae9b4361029b8234b90
SHA1

2071079aee5e80104015a9c0b2b9a01e25ddaa50
SHA256

87045597e2ede51139ed4a3b568ef473c38bb8cc62a38bb330fefc2fd1bd9e59
SHA512

fe7acc2178fe1e65860ee8de3320a3da98e9458758bed2f0ad61f2b972f9a1b7c406b57301d64419739bfed4e8ac745c7564bc72ae07cac700d1657d8f3b6b98
SSDEEP

768:UhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:YsWE9N5dFu53dsniQaB/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

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\929743AE = "C:\\Users\\Admin\\AppData\\Roaming\\929743AE\\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/880-0-0x0000000000400000-0x000000000041D000-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	87045597e2ede51139ed4a3b568ef473c38bb8cc62a38bb330fefc2fd1bd9e59N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2660	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 2660	880	87045597e2ede51139ed4a3b568ef473c38bb8cc62a38bb330fefc2fd1bd9e59N.exe	31
PID 880 wrote to memory of 2660	880	87045597e2ede51139ed4a3b568ef473c38bb8cc62a38bb330fefc2fd1bd9e59N.exe	31
PID 880 wrote to memory of 2660	880	87045597e2ede51139ed4a3b568ef473c38bb8cc62a38bb330fefc2fd1bd9e59N.exe	31
PID 880 wrote to memory of 2660	880	87045597e2ede51139ed4a3b568ef473c38bb8cc62a38bb330fefc2fd1bd9e59N.exe	31
PID 880 wrote to memory of 2660	880	87045597e2ede51139ed4a3b568ef473c38bb8cc62a38bb330fefc2fd1bd9e59N.exe	31
PID 2660 wrote to memory of 1180	2660	winver.exe	21
PID 2660 wrote to memory of 1068	2660	winver.exe	18
PID 2660 wrote to memory of 1084	2660	winver.exe	19
PID 2660 wrote to memory of 1180	2660	winver.exe	21
PID 2660 wrote to memory of 620	2660	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1068

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1180
- C:\Users\Admin\AppData\Local\Temp\87045597e2ede51139ed4a3b568ef473c38bb8cc62a38bb330fefc2fd1bd9e59N.exe
  "C:\Users\Admin\AppData\Local\Temp\87045597e2ede51139ed4a3b568ef473c38bb8cc62a38bb330fefc2fd1bd9e59N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:880
- - 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:2660

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:620

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/620-36-0x0000000077301000-0x0000000077302000-memory.dmp

Filesize
4KB

Download
memory/620-33-0x0000000001EE0000-0x0000000001EE6000-memory.dmp

Filesize
24KB

Download
memory/620-28-0x0000000001EE0000-0x0000000001EE6000-memory.dmp

Filesize
24KB

Download
memory/620-29-0x0000000077301000-0x0000000077302000-memory.dmp

Filesize
4KB

Download
memory/620-24-0x0000000001EE0000-0x0000000001EE6000-memory.dmp

Filesize
24KB

Download
memory/880-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/880-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/880-5-0x0000000001D20000-0x0000000002720000-memory.dmp

Filesize
10.0MB

Download
memory/880-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/880-13-0x0000000001D20000-0x0000000002720000-memory.dmp

Filesize
10.0MB

Download
memory/1068-25-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1068-26-0x0000000077301000-0x0000000077302000-memory.dmp

Filesize
4KB

Download
memory/1084-27-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1084-20-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1180-4-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1180-3-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1180-30-0x0000000002160000-0x0000000002166000-memory.dmp

Filesize
24KB

Download
memory/1180-2-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1180-10-0x0000000077301000-0x0000000077302000-memory.dmp

Filesize
4KB

Download
memory/1180-22-0x0000000002160000-0x0000000002166000-memory.dmp

Filesize
24KB

Download
memory/2660-8-0x00000000774AF000-0x00000000774B0000-memory.dmp

Filesize
4KB

Download
memory/2660-11-0x00000000772B0000-0x0000000077459000-memory.dmp

Filesize
1.7MB

Download
memory/2660-9-0x00000000774AF000-0x00000000774B1000-memory.dmp

Filesize
8KB

Download
memory/2660-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2660-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2660-7-0x00000000774B0000-0x00000000774B1000-memory.dmp

Filesize
4KB

Download