tinba | 85d493698d0e055bc24a30270d53bd78223a1227e4a82c5a5e31170ae3d29fed

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 23:35

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General

Target

85d493698d0e055bc24a30270d53bd78223a1227e4a82c5a5e31170ae3d29fed.exe
Size

45KB
MD5

0982dc2ab7dc8b9ddbbf5bfa6921c39c
SHA1

f3b23bb107826574c414341f0feb838a33f73c61
SHA256

85d493698d0e055bc24a30270d53bd78223a1227e4a82c5a5e31170ae3d29fed
SHA512

7122472299f6578a7c11500c41d15adf77c8ebfa64a9fa47950467f8fc80f04bb4d646cced69d943c91a5db8e0d937cf7a8c57c4c0e7f6444adf6b96a83fd7ef
SSDEEP

768:ghP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ29:csWE9N5dFu53dsniQaB/xZ14n7zIF+qB

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\5E2F2710 = "C:\\Users\\Admin\\AppData\\Roaming\\5E2F2710\\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/2216-0-0x0000000000400000-0x000000000041D000-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	85d493698d0e055bc24a30270d53bd78223a1227e4a82c5a5e31170ae3d29fed.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2800	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2800	2216	85d493698d0e055bc24a30270d53bd78223a1227e4a82c5a5e31170ae3d29fed.exe	31
PID 2216 wrote to memory of 2800	2216	85d493698d0e055bc24a30270d53bd78223a1227e4a82c5a5e31170ae3d29fed.exe	31
PID 2216 wrote to memory of 2800	2216	85d493698d0e055bc24a30270d53bd78223a1227e4a82c5a5e31170ae3d29fed.exe	31
PID 2216 wrote to memory of 2800	2216	85d493698d0e055bc24a30270d53bd78223a1227e4a82c5a5e31170ae3d29fed.exe	31
PID 2216 wrote to memory of 2800	2216	85d493698d0e055bc24a30270d53bd78223a1227e4a82c5a5e31170ae3d29fed.exe	31
PID 2800 wrote to memory of 1244	2800	winver.exe	21
PID 2800 wrote to memory of 1104	2800	winver.exe	19
PID 2800 wrote to memory of 1180	2800	winver.exe	20
PID 2800 wrote to memory of 1244	2800	winver.exe	21
PID 2800 wrote to memory of 1144	2800	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:1180

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1244
- C:\Users\Admin\AppData\Local\Temp\85d493698d0e055bc24a30270d53bd78223a1227e4a82c5a5e31170ae3d29fed.exe
  "C:\Users\Admin\AppData\Local\Temp\85d493698d0e055bc24a30270d53bd78223a1227e4a82c5a5e31170ae3d29fed.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2216
- - 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:2800

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1144

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/1104-26-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/1104-27-0x0000000077061000-0x0000000077062000-memory.dmp

Filesize
4KB

Download
memory/1144-32-0x0000000077061000-0x0000000077062000-memory.dmp

Filesize
4KB

Download
memory/1144-31-0x0000000001F00000-0x0000000001F06000-memory.dmp

Filesize
24KB

Download
memory/1144-25-0x0000000001F00000-0x0000000001F06000-memory.dmp

Filesize
24KB

Download
memory/1180-20-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1180-29-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1244-3-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1244-2-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1244-28-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1244-10-0x0000000077061000-0x0000000077062000-memory.dmp

Filesize
4KB

Download
memory/1244-22-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1244-4-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/2216-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2216-13-0x0000000001C80000-0x0000000002680000-memory.dmp

Filesize
10.0MB

Download
memory/2216-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2216-5-0x0000000001C80000-0x0000000002680000-memory.dmp

Filesize
10.0MB

Download
memory/2216-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2800-11-0x0000000077010000-0x00000000771B9000-memory.dmp

Filesize
1.7MB

Download
memory/2800-9-0x000000007720F000-0x0000000077211000-memory.dmp

Filesize
8KB

Download
memory/2800-8-0x000000007720F000-0x0000000077210000-memory.dmp

Filesize
4KB

Download
memory/2800-7-0x0000000077210000-0x0000000077211000-memory.dmp

Filesize
4KB

Download
memory/2800-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2800-30-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download