tinba | 7c4e5474a56a2c41b510b1e3b02304250ae777cabf28435dc83a59b185141c65

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 12:37

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General

Target

7c4e5474a56a2c41b510b1e3b02304250ae777cabf28435dc83a59b185141c65.exe
Size

45KB
MD5

8a97d35d02dbd3c01183f70a2938f60c
SHA1

1c6c0b90a9a5c794b7b3534a11d0ec8993e387bb
SHA256

7c4e5474a56a2c41b510b1e3b02304250ae777cabf28435dc83a59b185141c65
SHA512

2b0eb718854d4791e68487c575c16769501a457fd69ffd0c4b7d55b000be71db169b02ab8d52f8fc735f75147bc21d3e90a4c63ebed6b55c2bf61da54d6d7ace
SSDEEP

768:MhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ29:gsWE9N5dFu53dsniQaB/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\DFA3CB6B = "C:\\Users\\Admin\\AppData\\Roaming\\DFA3CB6B\\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/2296-0-0x0000000000400000-0x000000000041D000-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	7c4e5474a56a2c41b510b1e3b02304250ae777cabf28435dc83a59b185141c65.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe
1132	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1132	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 1132	2296	7c4e5474a56a2c41b510b1e3b02304250ae777cabf28435dc83a59b185141c65.exe	31
PID 2296 wrote to memory of 1132	2296	7c4e5474a56a2c41b510b1e3b02304250ae777cabf28435dc83a59b185141c65.exe	31
PID 2296 wrote to memory of 1132	2296	7c4e5474a56a2c41b510b1e3b02304250ae777cabf28435dc83a59b185141c65.exe	31
PID 2296 wrote to memory of 1132	2296	7c4e5474a56a2c41b510b1e3b02304250ae777cabf28435dc83a59b185141c65.exe	31
PID 2296 wrote to memory of 1132	2296	7c4e5474a56a2c41b510b1e3b02304250ae777cabf28435dc83a59b185141c65.exe	31
PID 1132 wrote to memory of 1204	1132	winver.exe	21
PID 1132 wrote to memory of 1116	1132	winver.exe	19
PID 1132 wrote to memory of 1164	1132	winver.exe	20
PID 1132 wrote to memory of 1204	1132	winver.exe	21
PID 1132 wrote to memory of 324	1132	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\7c4e5474a56a2c41b510b1e3b02304250ae777cabf28435dc83a59b185141c65.exe
  "C:\Users\Admin\AppData\Local\Temp\7c4e5474a56a2c41b510b1e3b02304250ae777cabf28435dc83a59b185141c65.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2296
- - 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:1132

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:324

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/324-26-0x00000000778C1000-0x00000000778C2000-memory.dmp

Filesize
4KB

Download
memory/324-23-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/324-25-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/1116-27-0x0000000002000000-0x0000000002006000-memory.dmp

Filesize
24KB

Download
memory/1116-28-0x00000000778C1000-0x00000000778C2000-memory.dmp

Filesize
4KB

Download
memory/1132-29-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1132-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1132-11-0x0000000077870000-0x0000000077A19000-memory.dmp

Filesize
1.7MB

Download
memory/1132-9-0x0000000077A6F000-0x0000000077A71000-memory.dmp

Filesize
8KB

Download
memory/1132-8-0x0000000077A6F000-0x0000000077A70000-memory.dmp

Filesize
4KB

Download
memory/1132-7-0x0000000077A70000-0x0000000077A71000-memory.dmp

Filesize
4KB

Download
memory/1164-19-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1164-30-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x00000000778C1000-0x00000000778C2000-memory.dmp

Filesize
4KB

Download
memory/1204-24-0x0000000002B70000-0x0000000002B76000-memory.dmp

Filesize
24KB

Download
memory/1204-2-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1204-4-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1204-21-0x0000000002B70000-0x0000000002B76000-memory.dmp

Filesize
24KB

Download
memory/2296-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2296-13-0x0000000001D30000-0x0000000002730000-memory.dmp

Filesize
10.0MB

Download
memory/2296-5-0x0000000001D30000-0x0000000002730000-memory.dmp

Filesize
10.0MB

Download
memory/2296-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2296-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download