tinba | 1042fe6e5f7dc8bbe5c3bae017ecf41edad030fe64c8f7181db6c10803e4264e

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
01/09/2024, 21:29

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General

Target

209964fe328802e1b57a676e9560ebcdfb46c6e04d45ba3200fb210d251ae7e0.exe
Size

34KB
MD5

fe3a707a4e3bdc31baf1094855532608
SHA1

98a72827fb131b19057a30b28a7e0b4de15bdd7c
SHA256

209964fe328802e1b57a676e9560ebcdfb46c6e04d45ba3200fb210d251ae7e0
SHA512

241375c297752c805b68dde7b1f5a1e380acdaaa3930b81a86d2fc367c6396eafa7631a167ad0e802009e3e98081e52b5e28999558ac599ac37bbbd7f0ac3e2b
SSDEEP

768:kqp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:kqpYoX58z1uirL98xMWnT0OQ9J2

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/1996-0-0x0000000000400000-0x0000000000417000-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-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\8DB96A2A = "C:\\Users\\Admin\\AppData\\Roaming\\8DB96A2A\\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	209964fe328802e1b57a676e9560ebcdfb46c6e04d45ba3200fb210d251ae7e0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe
2376	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2376	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 2376	1996	209964fe328802e1b57a676e9560ebcdfb46c6e04d45ba3200fb210d251ae7e0.exe	31
PID 1996 wrote to memory of 2376	1996	209964fe328802e1b57a676e9560ebcdfb46c6e04d45ba3200fb210d251ae7e0.exe	31
PID 1996 wrote to memory of 2376	1996	209964fe328802e1b57a676e9560ebcdfb46c6e04d45ba3200fb210d251ae7e0.exe	31
PID 1996 wrote to memory of 2376	1996	209964fe328802e1b57a676e9560ebcdfb46c6e04d45ba3200fb210d251ae7e0.exe	31
PID 1996 wrote to memory of 2376	1996	209964fe328802e1b57a676e9560ebcdfb46c6e04d45ba3200fb210d251ae7e0.exe	31
PID 2376 wrote to memory of 1196	2376	winver.exe	21
PID 2376 wrote to memory of 1104	2376	winver.exe	19
PID 2376 wrote to memory of 1168	2376	winver.exe	20
PID 2376 wrote to memory of 1196	2376	winver.exe	21
PID 2376 wrote to memory of 1500	2376	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:1196
- C:\Users\Admin\AppData\Local\Temp\209964fe328802e1b57a676e9560ebcdfb46c6e04d45ba3200fb210d251ae7e0.exe
  "C:\Users\Admin\AppData\Local\Temp\209964fe328802e1b57a676e9560ebcdfb46c6e04d45ba3200fb210d251ae7e0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1996
- - 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:2376

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1500

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/1104-25-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1104-26-0x0000000077321000-0x0000000077322000-memory.dmp

Filesize
4KB

Download
memory/1168-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-27-0x0000000077321000-0x0000000077322000-memory.dmp

Filesize
4KB

Download
memory/1168-31-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x0000000077321000-0x0000000077322000-memory.dmp

Filesize
4KB

Download
memory/1196-32-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x0000000002640000-0x0000000002646000-memory.dmp

Filesize
24KB

Download
memory/1196-22-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002640000-0x0000000002646000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002640000-0x0000000002646000-memory.dmp

Filesize
24KB

Download
memory/1500-29-0x0000000077321000-0x0000000077322000-memory.dmp

Filesize
4KB

Download
memory/1500-24-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/1500-37-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/1500-30-0x0000000077321000-0x0000000077322000-memory.dmp

Filesize
4KB

Download
memory/1500-28-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/1996-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1996-14-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/1996-5-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/1996-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1996-13-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2376-7-0x00000000774D0000-0x00000000774D1000-memory.dmp

Filesize
4KB

Download
memory/2376-11-0x00000000772D0000-0x0000000077479000-memory.dmp

Filesize
1.7MB

Download
memory/2376-8-0x00000000774CF000-0x00000000774D0000-memory.dmp

Filesize
4KB

Download
memory/2376-9-0x00000000774CF000-0x00000000774D1000-memory.dmp

Filesize
8KB

Download
memory/2376-33-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2376-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download