tinba | dfc9630051879f37a6d3844e31a10d3218d0c6d9338acef7180dc0b76bd1b54f

Analysis

max time kernel
21s
max time network
25s
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, 17:06

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General

Target
f1b5080e91d1912e49e611b335a20558.exe
Size 34KB
Sample231220-vml5tsdff4
SHA256 dfc9630051879f37a6d3844e31a10d3218d0c6d9338acef7180dc0b76bd1b54f
MD5 f1b5080e91d1912e49e611b335a20558
SHA1 eaef55324ea9ad9c7ef19394547a977af080c7c0
SHA512 ad3f8bc78a049d0c09b2d5eea51290065b7adc0103773405fd7a14a89a25ce0df509393091086d16caed155990c35014e8a86e9d1375a4c0fb86e1f457ac9a86
SSDEEP 768:kp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:kpYoX58z1uirL98xMWnT0OQ9J2
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/4456-0-0x0000000000400000-0x0000000000417000-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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7DB35074 = "C:\\Users\\Admin\\AppData\\Roaming\\7DB35074\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4568	winver.exe
4568	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4568	winver.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4456 wrote to memory of 4568	4456	f1b5080e91d1912e49e611b335a20558.exe	91
PID 4456 wrote to memory of 4568	4456	f1b5080e91d1912e49e611b335a20558.exe	91
PID 4456 wrote to memory of 4568	4456	f1b5080e91d1912e49e611b335a20558.exe	91
PID 4456 wrote to memory of 4568	4456	f1b5080e91d1912e49e611b335a20558.exe	91
PID 4568 wrote to memory of 3416	4568	winver.exe	55
PID 4568 wrote to memory of 2692	4568	winver.exe	62
PID 4568 wrote to memory of 2732	4568	winver.exe	23
PID 4568 wrote to memory of 692	4568	winver.exe	57
PID 4568 wrote to memory of 3416	4568	winver.exe	55

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2732

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3416
- C:\Users\Admin\AppData\Local\Temp\f1b5080e91d1912e49e611b335a20558.exe
  "C:\Users\Admin\AppData\Local\Temp\f1b5080e91d1912e49e611b335a20558.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4456
- - 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:4568

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:692

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2692

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/2692-15-0x00000000007E0000-0x00000000007E6000-memory.dmp

Download

memory/2732-13-0x0000000000900000-0x0000000000906000-memory.dmp

Download

memory/3416-2-0x00000000010C0000-0x00000000010C6000-memory.dmp

Download

memory/3416-3-0x00000000010C0000-0x00000000010C6000-memory.dmp

Download

memory/3416-5-0x00007FF9B236D000-0x00007FF9B236E000-memory.dmp

Download

memory/3416-16-0x0000000001110000-0x0000000001116000-memory.dmp

Download

memory/3604-18-0x0000000000FE0000-0x0000000000FE6000-memory.dmp

Download

memory/4456-9-0x0000000002380000-0x0000000002D80000-memory.dmp

Download

memory/4456-8-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4456-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4456-4-0x0000000002380000-0x0000000002D80000-memory.dmp

Download

memory/4456-1-0x00000000005A0000-0x00000000005A1000-memory.dmp

Download

memory/4568-7-0x0000000001340000-0x0000000001346000-memory.dmp

Download

memory/4568-6-0x0000000077732000-0x0000000077733000-memory.dmp

Download