tinba | 2fa00b4ede2dbcb213ea705d6578c2bdad022382c9a8629028ce22f419cf09a6

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
05-10-2024 03:48

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General

Target

2fa00b4ede2dbcb213ea705d6578c2bdad022382c9a8629028ce22f419cf09a6N.exe
Size

45KB
MD5

1264a560bedad126d28aa9e867cfc030
SHA1

acdf30d919952d910ccc7cdc61d82244e9a9338e
SHA256

2fa00b4ede2dbcb213ea705d6578c2bdad022382c9a8629028ce22f419cf09a6
SHA512

432f0dfdf48cce6102dd0fd63d429dc15ea6db83eb6efd8ba9f39c42bfed291203460c8396435e5a9a07f901923e72dee54629ead96ffea9bba3e29f1e4b5f59
SSDEEP

768:FhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:XsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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

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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\5B7CFD66 = "C:\\Users\\Admin\\AppData\\Roaming\\5B7CFD66\\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/2692-0-0x0000000000400000-0x000000000041D000-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	2fa00b4ede2dbcb213ea705d6578c2bdad022382c9a8629028ce22f419cf09a6N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2904	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2904	2692	2fa00b4ede2dbcb213ea705d6578c2bdad022382c9a8629028ce22f419cf09a6N.exe	31
PID 2692 wrote to memory of 2904	2692	2fa00b4ede2dbcb213ea705d6578c2bdad022382c9a8629028ce22f419cf09a6N.exe	31
PID 2692 wrote to memory of 2904	2692	2fa00b4ede2dbcb213ea705d6578c2bdad022382c9a8629028ce22f419cf09a6N.exe	31
PID 2692 wrote to memory of 2904	2692	2fa00b4ede2dbcb213ea705d6578c2bdad022382c9a8629028ce22f419cf09a6N.exe	31
PID 2692 wrote to memory of 2904	2692	2fa00b4ede2dbcb213ea705d6578c2bdad022382c9a8629028ce22f419cf09a6N.exe	31
PID 2904 wrote to memory of 1180	2904	winver.exe	21
PID 2904 wrote to memory of 1104	2904	winver.exe	19
PID 2904 wrote to memory of 1152	2904	winver.exe	20
PID 2904 wrote to memory of 1180	2904	winver.exe	21
PID 2904 wrote to memory of 316	2904	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1152

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1180
- C:\Users\Admin\AppData\Local\Temp\2fa00b4ede2dbcb213ea705d6578c2bdad022382c9a8629028ce22f419cf09a6N.exe
  "C:\Users\Admin\AppData\Local\Temp\2fa00b4ede2dbcb213ea705d6578c2bdad022382c9a8629028ce22f419cf09a6N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2692
- - 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:2904

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:316

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/316-32-0x0000000077991000-0x0000000077992000-memory.dmp

Filesize
4KB

Download
memory/316-31-0x0000000001E50000-0x0000000001E56000-memory.dmp

Filesize
24KB

Download
memory/1104-23-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1104-24-0x0000000077991000-0x0000000077992000-memory.dmp

Filesize
4KB

Download
memory/1152-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1152-26-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1180-30-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1180-4-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1180-3-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1180-2-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1180-10-0x0000000077991000-0x0000000077992000-memory.dmp

Filesize
4KB

Download
memory/1180-22-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/2692-5-0x0000000001D40000-0x0000000002740000-memory.dmp

Filesize
10.0MB

Download
memory/2692-13-0x0000000001D40000-0x0000000002740000-memory.dmp

Filesize
10.0MB

Download
memory/2692-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2692-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2692-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2904-11-0x0000000077940000-0x0000000077AE9000-memory.dmp

Filesize
1.7MB

Download
memory/2904-25-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2904-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2904-7-0x0000000077B40000-0x0000000077B41000-memory.dmp

Filesize
4KB

Download
memory/2904-8-0x0000000077B3F000-0x0000000077B40000-memory.dmp

Filesize
4KB

Download
memory/2904-9-0x0000000077B3F000-0x0000000077B41000-memory.dmp

Filesize
8KB

Download