tinba | 430e3cc6a72b4fddaadfbed29c6855d2a807528719ffd7e755195a951f7b333a

Analysis

max time kernel
8s
max time network
12s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 02:37

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General

Target
79dc8da8c5f7b41a0eed67e10e5239355be1c6e089738138dfa3b753fe019355.exe
Size 113KB
Sample231224-c4fp9sdfbp
SHA256 79dc8da8c5f7b41a0eed67e10e5239355be1c6e089738138dfa3b753fe019355
MD5 91493a9a9e83a7b48d178ae10f97028d
SHA1 7f774f01e7f3768de1802226fb6ab15242bea878
SHA512 b9c3c7899a643dff3a2bcdfb1e30137cc60b9a004e03515748f6db97bdb8939cb0c69f444e2a7df8d6fb7cdc0f331ca70c19120b126dee5ca81e98efc575eb1e
SSDEEP 1536:1iLOvRmmQegJfBbmAQ256/ZrwWhwqjhurmKFcbL86WV0E:1iyvRmDLs/ZrwWjjAqGcfzWH
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/244-0-0x0000000000400000-0x000000000041E000-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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\57BEEA74 = "C:\\Users\\Admin\\AppData\\Roaming\\57BEEA74\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2816	winver.exe
2816	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2816	winver.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 244 wrote to memory of 2816	244	79dc8da8c5f7b41a0eed67e10e5239355be1c6e089738138dfa3b753fe019355.exe	93
PID 244 wrote to memory of 2816	244	79dc8da8c5f7b41a0eed67e10e5239355be1c6e089738138dfa3b753fe019355.exe	93
PID 244 wrote to memory of 2816	244	79dc8da8c5f7b41a0eed67e10e5239355be1c6e089738138dfa3b753fe019355.exe	93
PID 244 wrote to memory of 2816	244	79dc8da8c5f7b41a0eed67e10e5239355be1c6e089738138dfa3b753fe019355.exe	93
PID 2816 wrote to memory of 3364	2816	winver.exe	48
PID 2816 wrote to memory of 2964	2816	winver.exe	55
PID 2816 wrote to memory of 2976	2816	winver.exe	54
PID 2816 wrote to memory of 3052	2816	winver.exe	53

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3364
- C:\Users\Admin\AppData\Local\Temp\79dc8da8c5f7b41a0eed67e10e5239355be1c6e089738138dfa3b753fe019355.exe
  "C:\Users\Admin\AppData\Local\Temp\79dc8da8c5f7b41a0eed67e10e5239355be1c6e089738138dfa3b753fe019355.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:244
- - 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:2816

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:3052

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2976

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2964

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/244-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Download

memory/244-2-0x0000000002380000-0x0000000002D80000-memory.dmp

Download

memory/244-0-0x0000000000400000-0x000000000041E000-memory.dmp

Download

memory/244-8-0x0000000000400000-0x000000000041E000-memory.dmp

Download

memory/244-9-0x0000000002380000-0x0000000002D80000-memory.dmp

Download

memory/2816-4-0x0000000001110000-0x0000000001116000-memory.dmp

Download

memory/2816-5-0x0000000077082000-0x0000000077083000-memory.dmp

Download

memory/2816-11-0x0000000001110000-0x0000000001116000-memory.dmp

Download

memory/2964-16-0x0000000000A80000-0x0000000000A86000-memory.dmp

Download

memory/2976-13-0x00000000005E0000-0x00000000005E6000-memory.dmp

Download

memory/2976-17-0x00000000005E0000-0x00000000005E6000-memory.dmp

Download

memory/3052-14-0x0000000000240000-0x0000000000246000-memory.dmp

Download

memory/3364-7-0x00007FF9770CD000-0x00007FF9770CE000-memory.dmp

Download

memory/3364-3-0x00000000012D0000-0x00000000012D6000-memory.dmp

Download

memory/3364-6-0x00000000012D0000-0x00000000012D6000-memory.dmp

Download

memory/3504-18-0x0000000000470000-0x0000000000476000-memory.dmp

Download