tinba | 5ac0e0773ab3d160c3f1c08a9a42cf6b5b3d5ed88e0d276151495fe99de92baa

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 08:36

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General

Target

5ac0e0773ab3d160c3f1c08a9a42cf6b5b3d5ed88e0d276151495fe99de92baa.exe
Size

160KB
MD5

50127625f0c9d1c2cb009670c2df6fb2
SHA1

6e1a0246b499b869497cefbfab57759bf5fdb9e2
SHA256

5ac0e0773ab3d160c3f1c08a9a42cf6b5b3d5ed88e0d276151495fe99de92baa
SHA512

45e92a37f6b93132b9d94f0876d71c187afca94092f3e81eccd46dd48424048da1f983ef275536c8f68c248bfdb1caa9c3b6eb34a99555b6dd09543a0d04b7c8
SSDEEP

1536:2EY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph0:dY+4MiIkLZJNAQ9J6vq

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\B89C6275 = "C:\\Users\\Admin\\AppData\\Roaming\\B89C6275\\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/2128-0-0x0000000000400000-0x0000000000428000-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	5ac0e0773ab3d160c3f1c08a9a42cf6b5b3d5ed88e0d276151495fe99de92baa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1760	winver.exe
1240	Explorer.EXE
1240	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1240	Explorer.EXE
1240	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 1760	2128	5ac0e0773ab3d160c3f1c08a9a42cf6b5b3d5ed88e0d276151495fe99de92baa.exe	31
PID 2128 wrote to memory of 1760	2128	5ac0e0773ab3d160c3f1c08a9a42cf6b5b3d5ed88e0d276151495fe99de92baa.exe	31
PID 2128 wrote to memory of 1760	2128	5ac0e0773ab3d160c3f1c08a9a42cf6b5b3d5ed88e0d276151495fe99de92baa.exe	31
PID 2128 wrote to memory of 1760	2128	5ac0e0773ab3d160c3f1c08a9a42cf6b5b3d5ed88e0d276151495fe99de92baa.exe	31
PID 2128 wrote to memory of 1760	2128	5ac0e0773ab3d160c3f1c08a9a42cf6b5b3d5ed88e0d276151495fe99de92baa.exe	31
PID 1760 wrote to memory of 1240	1760	winver.exe	21
PID 1760 wrote to memory of 1104	1760	winver.exe	19
PID 1760 wrote to memory of 1204	1760	winver.exe	20
PID 1760 wrote to memory of 1240	1760	winver.exe	21
PID 1760 wrote to memory of 1364	1760	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:1204

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1240
- C:\Users\Admin\AppData\Local\Temp\5ac0e0773ab3d160c3f1c08a9a42cf6b5b3d5ed88e0d276151495fe99de92baa.exe
  "C:\Users\Admin\AppData\Local\Temp\5ac0e0773ab3d160c3f1c08a9a42cf6b5b3d5ed88e0d276151495fe99de92baa.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2128
- - 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:1760

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1364

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/1104-27-0x0000000001C60000-0x0000000001C66000-memory.dmp

Filesize
24KB

Download
memory/1204-20-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1204-25-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1204-26-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1240-22-0x0000000002240000-0x0000000002246000-memory.dmp

Filesize
24KB

Download
memory/1240-10-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1240-2-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/1240-3-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/1240-4-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/1240-31-0x0000000002240000-0x0000000002246000-memory.dmp

Filesize
24KB

Download
memory/1364-29-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1364-30-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1364-24-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1760-11-0x00000000775E0000-0x0000000077789000-memory.dmp

Filesize
1.7MB

Download
memory/1760-28-0x00000000000A0000-0x00000000000A6000-memory.dmp

Filesize
24KB

Download
memory/1760-6-0x00000000000A0000-0x00000000000A6000-memory.dmp

Filesize
24KB

Download
memory/1760-7-0x00000000777E0000-0x00000000777E1000-memory.dmp

Filesize
4KB

Download
memory/1760-8-0x00000000777DF000-0x00000000777E0000-memory.dmp

Filesize
4KB

Download
memory/1760-9-0x00000000777DF000-0x00000000777E1000-memory.dmp

Filesize
8KB

Download
memory/1760-36-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download
memory/2128-14-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2128-13-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2128-5-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2128-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2128-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download