tinba | cb935c81b6630d28b778721e33d31aea4ab466c4b04108089fa3bede0c3ed80c

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/01/2025, 00:35

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General

Target

cb935c81b6630d28b778721e33d31aea4ab466c4b04108089fa3bede0c3ed80c.exe
Size

45KB
MD5

0d91cd68bedd708156324ebc533a44fa
SHA1

5333170d8db117507f8cdd818da0d3faea51fc7f
SHA256

cb935c81b6630d28b778721e33d31aea4ab466c4b04108089fa3bede0c3ed80c
SHA512

962ffced98a33f203e4a172da7ff5d2a7869dd90573270efec9e062251c2aefddd9d64930d66feac0f19508001bc065645f2a06e36dfca66dde6a4be2d4015cb
SSDEEP

768:hhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2t:bsWE9N5dFu53dsniQaB/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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\1606F3A4 = "C:\\Users\\Admin\\AppData\\Roaming\\1606F3A4\\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/2764-0-0x0000000000400000-0x000000000041D000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cb935c81b6630d28b778721e33d31aea4ab466c4b04108089fa3bede0c3ed80c.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2664	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2764 wrote to memory of 2664	2764	cb935c81b6630d28b778721e33d31aea4ab466c4b04108089fa3bede0c3ed80c.exe	31
PID 2764 wrote to memory of 2664	2764	cb935c81b6630d28b778721e33d31aea4ab466c4b04108089fa3bede0c3ed80c.exe	31
PID 2764 wrote to memory of 2664	2764	cb935c81b6630d28b778721e33d31aea4ab466c4b04108089fa3bede0c3ed80c.exe	31
PID 2764 wrote to memory of 2664	2764	cb935c81b6630d28b778721e33d31aea4ab466c4b04108089fa3bede0c3ed80c.exe	31
PID 2764 wrote to memory of 2664	2764	cb935c81b6630d28b778721e33d31aea4ab466c4b04108089fa3bede0c3ed80c.exe	31
PID 2664 wrote to memory of 1200	2664	winver.exe	21
PID 2664 wrote to memory of 1076	2664	winver.exe	18
PID 2664 wrote to memory of 1168	2664	winver.exe	20
PID 2664 wrote to memory of 1200	2664	winver.exe	21
PID 2664 wrote to memory of 1476	2664	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1076

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\cb935c81b6630d28b778721e33d31aea4ab466c4b04108089fa3bede0c3ed80c.exe
  "C:\Users\Admin\AppData\Local\Temp\cb935c81b6630d28b778721e33d31aea4ab466c4b04108089fa3bede0c3ed80c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2764
- - 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:2664

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1476

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/1076-28-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1076-29-0x0000000077931000-0x0000000077932000-memory.dmp

Filesize
4KB

Download
memory/1168-19-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1168-30-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1200-21-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000077931000-0x0000000077932000-memory.dmp

Filesize
4KB

Download
memory/1200-25-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1476-26-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/1476-27-0x0000000077931000-0x0000000077932000-memory.dmp

Filesize
4KB

Download
memory/1476-24-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/2664-6-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2664-11-0x00000000778E0000-0x0000000077A89000-memory.dmp

Filesize
1.7MB

Download
memory/2664-9-0x0000000077ADF000-0x0000000077AE1000-memory.dmp

Filesize
8KB

Download
memory/2664-8-0x0000000077ADF000-0x0000000077AE0000-memory.dmp

Filesize
4KB

Download
memory/2664-7-0x0000000077AE0000-0x0000000077AE1000-memory.dmp

Filesize
4KB

Download
memory/2664-31-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2764-13-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/2764-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2764-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2764-5-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/2764-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download