tinba | 22a4ab9eecf218b7f55460a2ea563f633f1bc6927ef3e5d3b6f9f652dd069237

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
05-07-2024 00:47

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General

Target

22a4ab9eecf218b7f55460a2ea563f633f1bc6927ef3e5d3b6f9f652dd069237.exe
Size

45KB
MD5

20e7e84ffe49f34407c2f114bdc4fc50
SHA1

e587a55f005e6202ddd066c0fe607c2204a4cfac
SHA256

22a4ab9eecf218b7f55460a2ea563f633f1bc6927ef3e5d3b6f9f652dd069237
SHA512

847097e24f752c8db524dafd9a55b126d6b8b77cb8309160935bb7b33eb89da563f3cc838fe89fb5960c0facd2e1f0b749b4813e8d7fd1cc7e7c68186d3a321b
SSDEEP

768:phP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:zsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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

Processes:

resource yara_rule

behavioral2/memory/2120-0-0x0000000000400000-0x000000000041D000-memory.dmp upx

resource	yara_rule
behavioral2/memory/2120-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

winver.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9ABD979A = "C:\\Users\\Admin\\AppData\\Roaming\\9ABD979A\\bin.exe"	winver.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1224 3524 WerFault.exe winver.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

winver.exe

pid process

3524 winver.exe
3524 winver.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Explorer.EXE

description pid process

Token: SeShutdownPrivilege 3424 Explorer.EXE
Token: SeCreatePagefilePrivilege 3424 Explorer.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

winver.exe

pid process

3524 winver.exe

pid	pid_target	process	target process
1224	3524	WerFault.exe	winver.exe

pid	process
3524	winver.exe
3524	winver.exe

description	pid	process
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

pid	process
3524	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

22a4ab9eecf218b7f55460a2ea563f633f1bc6927ef3e5d3b6f9f652dd069237.exewinver.exe

description	pid	process	target process
PID 2120 wrote to memory of 3524	2120	22a4ab9eecf218b7f55460a2ea563f633f1bc6927ef3e5d3b6f9f652dd069237.exe	winver.exe
PID 2120 wrote to memory of 3524	2120	22a4ab9eecf218b7f55460a2ea563f633f1bc6927ef3e5d3b6f9f652dd069237.exe	winver.exe
PID 2120 wrote to memory of 3524	2120	22a4ab9eecf218b7f55460a2ea563f633f1bc6927ef3e5d3b6f9f652dd069237.exe	winver.exe
PID 2120 wrote to memory of 3524	2120	22a4ab9eecf218b7f55460a2ea563f633f1bc6927ef3e5d3b6f9f652dd069237.exe	winver.exe
PID 3524 wrote to memory of 3424	3524	winver.exe	Explorer.EXE
PID 3524 wrote to memory of 2616	3524	winver.exe	sihost.exe

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2616

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3424

C:\Users\Admin\AppData\Local\Temp\22a4ab9eecf218b7f55460a2ea563f633f1bc6927ef3e5d3b6f9f652dd069237.exe
"C:\Users\Admin\AppData\Local\Temp\22a4ab9eecf218b7f55460a2ea563f633f1bc6927ef3e5d3b6f9f652dd069237.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2120

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:3524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3524 -s 352
4⤵
- Program crash
PID:1224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3524 -ip 3524
1⤵
PID:1476

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2120-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2120-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/2120-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2120-4-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/2120-9-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/2616-13-0x0000000000E50000-0x0000000000E56000-memory.dmp

Filesize
24KB

Download
memory/3424-3-0x0000000000E70000-0x0000000000E76000-memory.dmp

Filesize
24KB

Download
memory/3424-6-0x00007FFE8A8ED000-0x00007FFE8A8EE000-memory.dmp

Filesize
4KB

Download
memory/3424-2-0x0000000000E70000-0x0000000000E76000-memory.dmp

Filesize
24KB

Download
memory/3524-7-0x00007FFE8A850000-0x00007FFE8AA45000-memory.dmp

Filesize
2.0MB

Download
memory/3524-5-0x00000000779A2000-0x00000000779A3000-memory.dmp

Filesize
4KB

Download
memory/3524-11-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

Download
memory/3524-14-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

Download