tinba | 10d334319222b58162d62b5aa63aa4e450f0e49fffea521f2c88ce90f2d111e8

Analysis

max time kernel
14s
max time network
19s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
20/12/2023, 14:32

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General

Target
c8861cb2dd823a08db7104af68df95ac.exe
Size 160KB
Sample231220-rwaxdafab2
SHA256 10d334319222b58162d62b5aa63aa4e450f0e49fffea521f2c88ce90f2d111e8
MD5 c8861cb2dd823a08db7104af68df95ac
SHA1 8760321cdc93a037967d955c102f72dcd8cf95bb
SHA512 3fccfdfef3c9049b6a7a19925501b08a4a689eda38dfa702bd0c7f31a420200b74d604bdc4d3532e1aa075dbcbb32e2084d1c664c0b86206d1bbff475212764a
SSDEEP 1536:5EY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:yY+4MiIkLZJNAQ9J6v
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tinba banker persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5044-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\81B9D2CB = "C:\\Users\\Admin\\AppData\\Roaming\\81B9D2CB\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2956	winver.exe
2956	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2956	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 5044 wrote to memory of 2956	5044	c8861cb2dd823a08db7104af68df95ac.exe	87
PID 5044 wrote to memory of 2956	5044	c8861cb2dd823a08db7104af68df95ac.exe	87
PID 5044 wrote to memory of 2956	5044	c8861cb2dd823a08db7104af68df95ac.exe	87
PID 5044 wrote to memory of 2956	5044	c8861cb2dd823a08db7104af68df95ac.exe	87
PID 2956 wrote to memory of 3388	2956	winver.exe	54
PID 2956 wrote to memory of 2612	2956	winver.exe	63
PID 2956 wrote to memory of 2620	2956	winver.exe	62
PID 2956 wrote to memory of 2840	2956	winver.exe	58
PID 2956 wrote to memory of 3388	2956	winver.exe	54
PID 2956 wrote to memory of 3632	2956	winver.exe	53

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3632

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3388
- C:\Users\Admin\AppData\Local\Temp\c8861cb2dd823a08db7104af68df95ac.exe
  "C:\Users\Admin\AppData\Local\Temp\c8861cb2dd823a08db7104af68df95ac.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5044
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2956

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2840

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2620

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2612

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2612-14-0x0000000000590000-0x0000000000596000-memory.dmp

Download

memory/2620-13-0x0000000000510000-0x0000000000516000-memory.dmp

Download

memory/2620-15-0x0000000000510000-0x0000000000516000-memory.dmp

Download

memory/2840-20-0x0000000000710000-0x0000000000716000-memory.dmp

Download

memory/2840-16-0x0000000000710000-0x0000000000716000-memory.dmp

Download

memory/2956-6-0x0000000076F82000-0x0000000076F83000-memory.dmp

Download

memory/2956-5-0x00000000007A0000-0x00000000007A6000-memory.dmp

Download

memory/3388-4-0x0000000000A00000-0x0000000000A06000-memory.dmp

Download

memory/3388-7-0x00007FFEC814D000-0x00007FFEC814E000-memory.dmp

Download

memory/3388-3-0x0000000000A00000-0x0000000000A06000-memory.dmp

Download

memory/3388-17-0x0000000000AC0000-0x0000000000AC6000-memory.dmp

Download

memory/3632-18-0x0000000000550000-0x0000000000556000-memory.dmp

Download

memory/5044-8-0x0000000000400000-0x0000000000428000-memory.dmp

Download

memory/5044-9-0x0000000002210000-0x0000000002C10000-memory.dmp

Download

memory/5044-0-0x0000000000400000-0x0000000000428000-memory.dmp

Download

memory/5044-2-0x0000000002210000-0x0000000002C10000-memory.dmp

Download

memory/5044-1-0x0000000002030000-0x0000000002031000-memory.dmp

Download