tinba | 3d01239abf50f0d84abe99abd3b4cfff0239edc8ce610abbebc3ffd600bec7e7

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/01/2025, 17:45

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General

Target

3d01239abf50f0d84abe99abd3b4cfff0239edc8ce610abbebc3ffd600bec7e7.exe
Size

89KB
MD5

251118c6fbd60174da46b7b6d8cb3f38
SHA1

2ed6758196d47054d0e6490306280483921d17fe
SHA256

3d01239abf50f0d84abe99abd3b4cfff0239edc8ce610abbebc3ffd600bec7e7
SHA512

441067b4ed93145dfb61f4c1f63ce909809c47c0b78974d2cfc60700d60c3bef55bf44e9523a25656365c77b2c2f99577fdab9a1442fef7eea3dfbb27b27c308
SSDEEP

1536:o1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:8+4MJIkLZJNAQ9Jo9e

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\95CCFEDF = "C:\\Users\\Admin\\AppData\\Roaming\\95CCFEDF\\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/1344-0-0x0000000000400000-0x0000000000418000-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	3d01239abf50f0d84abe99abd3b4cfff0239edc8ce610abbebc3ffd600bec7e7.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3036	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 3036	1344	3d01239abf50f0d84abe99abd3b4cfff0239edc8ce610abbebc3ffd600bec7e7.exe	29
PID 1344 wrote to memory of 3036	1344	3d01239abf50f0d84abe99abd3b4cfff0239edc8ce610abbebc3ffd600bec7e7.exe	29
PID 1344 wrote to memory of 3036	1344	3d01239abf50f0d84abe99abd3b4cfff0239edc8ce610abbebc3ffd600bec7e7.exe	29
PID 1344 wrote to memory of 3036	1344	3d01239abf50f0d84abe99abd3b4cfff0239edc8ce610abbebc3ffd600bec7e7.exe	29
PID 1344 wrote to memory of 3036	1344	3d01239abf50f0d84abe99abd3b4cfff0239edc8ce610abbebc3ffd600bec7e7.exe	29
PID 3036 wrote to memory of 1080	3036	winver.exe	18
PID 3036 wrote to memory of 1044	3036	winver.exe	17
PID 3036 wrote to memory of 1080	3036	winver.exe	18
PID 3036 wrote to memory of 1088	3036	winver.exe	19
PID 3036 wrote to memory of 1176	3036	winver.exe	23

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1044

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1080
- C:\Users\Admin\AppData\Local\Temp\3d01239abf50f0d84abe99abd3b4cfff0239edc8ce610abbebc3ffd600bec7e7.exe
  "C:\Users\Admin\AppData\Local\Temp\3d01239abf50f0d84abe99abd3b4cfff0239edc8ce610abbebc3ffd600bec7e7.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1344
- - 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:3036

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1088

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1176

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/1044-22-0x0000000077CE1000-0x0000000077CE2000-memory.dmp

Filesize
4KB

Download
memory/1044-21-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1080-4-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1080-3-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1080-2-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1080-20-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1080-10-0x0000000077CE1000-0x0000000077CE2000-memory.dmp

Filesize
4KB

Download
memory/1080-29-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1088-32-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1176-30-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1176-31-0x0000000077CE1000-0x0000000077CE2000-memory.dmp

Filesize
4KB

Download
memory/1176-27-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1344-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1344-13-0x0000000001C50000-0x0000000002650000-memory.dmp

Filesize
10.0MB

Download
memory/1344-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1344-5-0x0000000001C50000-0x0000000002650000-memory.dmp

Filesize
10.0MB

Download
memory/1344-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3036-11-0x0000000077C90000-0x0000000077E39000-memory.dmp

Filesize
1.7MB

Download
memory/3036-28-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/3036-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/3036-9-0x0000000077E8F000-0x0000000077E91000-memory.dmp

Filesize
8KB

Download
memory/3036-7-0x0000000077E90000-0x0000000077E91000-memory.dmp

Filesize
4KB

Download
memory/3036-8-0x0000000077E8F000-0x0000000077E90000-memory.dmp

Filesize
4KB

Download
memory/3036-37-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download