tinba | 7ba7d79b25f66ceb02dd396cc43c33c19c94a84572ac84ae244946f755125703

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
13-01-2025 01:00

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General

Target

7ba7d79b25f66ceb02dd396cc43c33c19c94a84572ac84ae244946f755125703.exe
Size

110KB
MD5

2591732dfb2c9b87c2830c562e8b109f
SHA1

7b3b5d59b453d30315c70ebd58405713d442b2b6
SHA256

7ba7d79b25f66ceb02dd396cc43c33c19c94a84572ac84ae244946f755125703
SHA512

73b40f2feb4eb08111b6ef527330b2aa0e6dc4820c362458abaad8ae136446c327361f9426692268a16b4d863059f1da93f66a72bc243f48d1bcb4275a4323a8
SSDEEP

1536:GiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EQ:GiyvRmDLs/ZrwWJjAqGcRJ2hQ

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\40F33530 = "C:\\Users\\Admin\\AppData\\Roaming\\40F33530\\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/640-0-0x0000000000400000-0x000000000041E000-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	7ba7d79b25f66ceb02dd396cc43c33c19c94a84572ac84ae244946f755125703.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe
1016	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1016	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 1016	640	7ba7d79b25f66ceb02dd396cc43c33c19c94a84572ac84ae244946f755125703.exe	30
PID 640 wrote to memory of 1016	640	7ba7d79b25f66ceb02dd396cc43c33c19c94a84572ac84ae244946f755125703.exe	30
PID 640 wrote to memory of 1016	640	7ba7d79b25f66ceb02dd396cc43c33c19c94a84572ac84ae244946f755125703.exe	30
PID 640 wrote to memory of 1016	640	7ba7d79b25f66ceb02dd396cc43c33c19c94a84572ac84ae244946f755125703.exe	30
PID 640 wrote to memory of 1016	640	7ba7d79b25f66ceb02dd396cc43c33c19c94a84572ac84ae244946f755125703.exe	30
PID 1016 wrote to memory of 1212	1016	winver.exe	20
PID 1016 wrote to memory of 1120	1016	winver.exe	18
PID 1016 wrote to memory of 1176	1016	winver.exe	19
PID 1016 wrote to memory of 1212	1016	winver.exe	20
PID 1016 wrote to memory of 1244	1016	winver.exe	24

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\7ba7d79b25f66ceb02dd396cc43c33c19c94a84572ac84ae244946f755125703.exe
  "C:\Users\Admin\AppData\Local\Temp\7ba7d79b25f66ceb02dd396cc43c33c19c94a84572ac84ae244946f755125703.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:640
- - 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:1016

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1244

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/640-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/640-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/640-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/640-5-0x0000000001E90000-0x0000000002890000-memory.dmp

Filesize
10.0MB

Download
memory/640-13-0x0000000001E90000-0x0000000002890000-memory.dmp

Filesize
10.0MB

Download
memory/1016-7-0x0000000076F90000-0x0000000076F91000-memory.dmp

Filesize
4KB

Download
memory/1016-9-0x0000000076F8F000-0x0000000076F91000-memory.dmp

Filesize
8KB

Download
memory/1016-11-0x0000000076D90000-0x0000000076F39000-memory.dmp

Filesize
1.7MB

Download
memory/1016-8-0x0000000076F8F000-0x0000000076F90000-memory.dmp

Filesize
4KB

Download
memory/1016-24-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/1016-6-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/1120-23-0x0000000076DE1000-0x0000000076DE2000-memory.dmp

Filesize
4KB

Download
memory/1120-22-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1176-25-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/1212-10-0x0000000076DE1000-0x0000000076DE2000-memory.dmp

Filesize
4KB

Download
memory/1212-2-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1212-29-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1212-4-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1212-21-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1244-31-0x0000000076DE1000-0x0000000076DE2000-memory.dmp

Filesize
4KB

Download
memory/1244-30-0x0000000001C10000-0x0000000001C16000-memory.dmp

Filesize
24KB

Download