tinba | acc45a533bdd8874c0bb5674abf38c50e4f1ceda5b0463bedc380d1631f9881f

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/12/2024, 18:17

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General

Target

acc45a533bdd8874c0bb5674abf38c50e4f1ceda5b0463bedc380d1631f9881fN.exe
Size

34KB
MD5

1d2d3fc8d2bc18d5d2c3fbc0c55653a0
SHA1

0ff31436cf93e8487ccd29795ecb1d45cf19356c
SHA256

acc45a533bdd8874c0bb5674abf38c50e4f1ceda5b0463bedc380d1631f9881f
SHA512

ffd2aa4c19d6b7ae08efa838e412d03c701924b19cd999e52ab629ac84ea653218da6ba4970e4f71989fc42d57fa933e520ac0903156fb6436133692f0e8b2a4
SSDEEP

768:Wp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9JS:WpYoX58z1uirL98xMWnT0OQ9JS

Score

10^/10

tinba banker discovery persistence trojan upx

Malware Config

Signatures

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

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\28CBBCA1 = "C:\\Users\\Admin\\AppData\\Roaming\\28CBBCA1\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2512-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	acc45a533bdd8874c0bb5674abf38c50e4f1ceda5b0463bedc380d1631f9881fN.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe
2328	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2328	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2328	2512	acc45a533bdd8874c0bb5674abf38c50e4f1ceda5b0463bedc380d1631f9881fN.exe	31
PID 2512 wrote to memory of 2328	2512	acc45a533bdd8874c0bb5674abf38c50e4f1ceda5b0463bedc380d1631f9881fN.exe	31
PID 2512 wrote to memory of 2328	2512	acc45a533bdd8874c0bb5674abf38c50e4f1ceda5b0463bedc380d1631f9881fN.exe	31
PID 2512 wrote to memory of 2328	2512	acc45a533bdd8874c0bb5674abf38c50e4f1ceda5b0463bedc380d1631f9881fN.exe	31
PID 2512 wrote to memory of 2328	2512	acc45a533bdd8874c0bb5674abf38c50e4f1ceda5b0463bedc380d1631f9881fN.exe	31
PID 2328 wrote to memory of 1212	2328	winver.exe	21
PID 2328 wrote to memory of 1104	2328	winver.exe	19
PID 2328 wrote to memory of 1168	2328	winver.exe	20
PID 2328 wrote to memory of 1212	2328	winver.exe	21
PID 2328 wrote to memory of 1260	2328	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\acc45a533bdd8874c0bb5674abf38c50e4f1ceda5b0463bedc380d1631f9881fN.exe
  "C:\Users\Admin\AppData\Local\Temp\acc45a533bdd8874c0bb5674abf38c50e4f1ceda5b0463bedc380d1631f9881fN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2512
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2328

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1260

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1104-26-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1104-25-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1168-20-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1168-27-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1168-28-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1212-22-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1212-10-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1212-4-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1212-32-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1260-31-0x0000000001BA0000-0x0000000001BA6000-memory.dmp

Filesize
24KB

Download
memory/1260-30-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1260-24-0x0000000001BA0000-0x0000000001BA6000-memory.dmp

Filesize
24KB

Download
memory/2328-9-0x000000007723F000-0x0000000077241000-memory.dmp

Filesize
8KB

Download
memory/2328-29-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2328-6-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2328-7-0x0000000077240000-0x0000000077241000-memory.dmp

Filesize
4KB

Download
memory/2328-8-0x000000007723F000-0x0000000077240000-memory.dmp

Filesize
4KB

Download
memory/2328-11-0x0000000077040000-0x00000000771E9000-memory.dmp

Filesize
1.7MB

Download
memory/2328-37-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2512-13-0x0000000001E60000-0x0000000002860000-memory.dmp

Filesize
10.0MB

Download
memory/2512-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2512-5-0x0000000001E60000-0x0000000002860000-memory.dmp

Filesize
10.0MB

Download
memory/2512-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2512-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download