tinba | 960bfe1b7bf393c752b3fb85b07946a45225885b877fd70db02f9131f8e37b9d

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
14/09/2024, 22:36

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General

Target

cfe485833053624d6674042b552cd310N.exe
Size

34KB
MD5

cfe485833053624d6674042b552cd310
SHA1

50430536b6b2cbe668b62ada6a38818769971379
SHA256

960bfe1b7bf393c752b3fb85b07946a45225885b877fd70db02f9131f8e37b9d
SHA512

fa1036b53576be7e8db999ad03807e0714f5c99647dd6412dc8e95755bcb1aa3794e19481524fae9dea0eabf261dd4fa038e84cf580713cb624211c78421be8f
SSDEEP

768:qmp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:jpYoX58z1uirL98xMWnT0OQ9J2

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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2624-0-0x0000000000400000-0x0000000000417000-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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\8AA6A217 = "C:\\Users\\Admin\\AppData\\Roaming\\8AA6A217\\bin.exe"	winver.exe

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	cfe485833053624d6674042b552cd310N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe
2672	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2672	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 2672	2624	cfe485833053624d6674042b552cd310N.exe	31
PID 2624 wrote to memory of 2672	2624	cfe485833053624d6674042b552cd310N.exe	31
PID 2624 wrote to memory of 2672	2624	cfe485833053624d6674042b552cd310N.exe	31
PID 2624 wrote to memory of 2672	2624	cfe485833053624d6674042b552cd310N.exe	31
PID 2624 wrote to memory of 2672	2624	cfe485833053624d6674042b552cd310N.exe	31
PID 2672 wrote to memory of 1204	2672	winver.exe	21
PID 2672 wrote to memory of 1116	2672	winver.exe	19
PID 2672 wrote to memory of 1176	2672	winver.exe	20
PID 2672 wrote to memory of 1204	2672	winver.exe	21
PID 2672 wrote to memory of 1624	2672	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\cfe485833053624d6674042b552cd310N.exe
  "C:\Users\Admin\AppData\Local\Temp\cfe485833053624d6674042b552cd310N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2624
- - 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:2672

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1624

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/1116-24-0x0000000076DC1000-0x0000000076DC2000-memory.dmp

Filesize
4KB

Download
memory/1116-27-0x0000000076DC1000-0x0000000076DC2000-memory.dmp

Filesize
4KB

Download
memory/1116-26-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1176-30-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1176-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x0000000076DC1000-0x0000000076DC2000-memory.dmp

Filesize
4KB

Download
memory/1204-2-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1204-21-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1204-4-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1204-31-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1624-23-0x0000000001E30000-0x0000000001E36000-memory.dmp

Filesize
24KB

Download
memory/1624-25-0x0000000076DC1000-0x0000000076DC2000-memory.dmp

Filesize
4KB

Download
memory/1624-29-0x0000000076DC1000-0x0000000076DC2000-memory.dmp

Filesize
4KB

Download
memory/1624-28-0x0000000001E30000-0x0000000001E36000-memory.dmp

Filesize
24KB

Download
memory/2624-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2624-13-0x0000000001DC0000-0x00000000027C0000-memory.dmp

Filesize
10.0MB

Download
memory/2624-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2624-5-0x0000000001DC0000-0x00000000027C0000-memory.dmp

Filesize
10.0MB

Download
memory/2624-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2672-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2672-7-0x0000000076F70000-0x0000000076F71000-memory.dmp

Filesize
4KB

Download
memory/2672-8-0x0000000076F6F000-0x0000000076F70000-memory.dmp

Filesize
4KB

Download
memory/2672-11-0x0000000076D70000-0x0000000076F19000-memory.dmp

Filesize
1.7MB

Download
memory/2672-9-0x0000000076F6F000-0x0000000076F71000-memory.dmp

Filesize
8KB

Download
memory/2672-32-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2672-37-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download