tinba | 9159aa81be2c0c8485ec3dbb657d4a1ceb3d01c1e08efbacc7d0c84d83b010d1

Analysis

max time kernel
36s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 11:29

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General

Target

6ad05fe5b023a9978398732260862e45.exe
Size

160KB
MD5

6ad05fe5b023a9978398732260862e45
SHA1

cbcb55240e8b0b1bfe771a978da0cd5dbf495967
SHA256

9159aa81be2c0c8485ec3dbb657d4a1ceb3d01c1e08efbacc7d0c84d83b010d1
SHA512

a0a8a593570bf1699292779c2b2e7761c99c65a7c9fae3aeaae741c8060971a8cb9caeb6136afef36aaaf6d6793fdda1fa77926b5f35dabab1844bcefd0b8f00
SSDEEP

1536:XEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:0Y+4MiIkLZJNAQ9J6v

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/2248-0-0x0000000000400000-0x0000000000428000-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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C08F60E1 = "C:\\Users\\Admin\\AppData\\Roaming\\C08F60E1\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4396	4964	WerFault.exe	18

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4964	winver.exe
4964	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3412	Explorer.EXE
Token: SeCreatePagefilePrivilege	3412	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4964	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 4964	2248	6ad05fe5b023a9978398732260862e45.exe	18
PID 2248 wrote to memory of 4964	2248	6ad05fe5b023a9978398732260862e45.exe	18
PID 2248 wrote to memory of 4964	2248	6ad05fe5b023a9978398732260862e45.exe	18
PID 2248 wrote to memory of 4964	2248	6ad05fe5b023a9978398732260862e45.exe	18
PID 4964 wrote to memory of 3412	4964	winver.exe	49
PID 4964 wrote to memory of 2476	4964	winver.exe	54

C:\Users\Admin\AppData\Local\Temp\6ad05fe5b023a9978398732260862e45.exe
"C:\Users\Admin\AppData\Local\Temp\6ad05fe5b023a9978398732260862e45.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Windows\SysWOW64\winver.exe
  winver
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4964
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 352
    3⤵
    - Program crash
    PID:4396

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3412

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2476

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4964 -ip 4964
1⤵
PID:864

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/2248-3-0x0000000002370000-0x0000000002D70000-memory.dmp

Filesize
10.0MB

Download
memory/2248-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2248-11-0x0000000002370000-0x0000000002D70000-memory.dmp

Filesize
10.0MB

Download
memory/2248-10-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2248-1-0x00000000006D0000-0x00000000006D1000-memory.dmp

Filesize
4KB

Download
memory/2476-18-0x00007FFEDC6D0000-0x00007FFEDC6D1000-memory.dmp

Filesize
4KB

Download
memory/2476-15-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/3412-6-0x00007FFEDC54D000-0x00007FFEDC54E000-memory.dmp

Filesize
4KB

Download
memory/3412-2-0x0000000002A50000-0x0000000002A56000-memory.dmp

Filesize
24KB

Download
memory/3412-4-0x0000000002A50000-0x0000000002A56000-memory.dmp

Filesize
24KB

Download
memory/3412-9-0x00007FFEDC6E0000-0x00007FFEDC6E1000-memory.dmp

Filesize
4KB

Download
memory/3412-7-0x00007FFEDC54C000-0x00007FFEDC54D000-memory.dmp

Filesize
4KB

Download
memory/4964-5-0x0000000077D62000-0x0000000077D63000-memory.dmp

Filesize
4KB

Download
memory/4964-8-0x0000000002370000-0x0000000002376000-memory.dmp

Filesize
24KB

Download
memory/4964-16-0x0000000002370000-0x0000000002376000-memory.dmp

Filesize
24KB

Download