tinba | aed33262a96a42f95cdf8e730734c3e984b0b789855e05d40cd23d00bcbead1f

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 10:15

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General

Target

aed33262a96a42f95cdf8e730734c3e984b0b789855e05d40cd23d00bcbead1fN.exe
Size

45KB
MD5

87f85dda4e20c798b274d935cba399f0
SHA1

f94f3c2df480f08d26dcce80ac61a72cc858ae41
SHA256

aed33262a96a42f95cdf8e730734c3e984b0b789855e05d40cd23d00bcbead1f
SHA512

2b473bf9c49b02085aea168f1f54a1e6aefc47f57a03fa6f2beb2c170836dbcdda75c7871372a0f42a6658b503dcab8523a316c3611f07837c85cba391166d16
SSDEEP

768:ahP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2/:WsWE9N5dFu53dsniQaB/xZ14n7zIF+qL

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\2A739D80 = "C:\\Users\\Admin\\AppData\\Roaming\\2A739D80\\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/2616-0-0x0000000000400000-0x000000000041D000-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	aed33262a96a42f95cdf8e730734c3e984b0b789855e05d40cd23d00bcbead1fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1052	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 1052	2616	aed33262a96a42f95cdf8e730734c3e984b0b789855e05d40cd23d00bcbead1fN.exe	32
PID 2616 wrote to memory of 1052	2616	aed33262a96a42f95cdf8e730734c3e984b0b789855e05d40cd23d00bcbead1fN.exe	32
PID 2616 wrote to memory of 1052	2616	aed33262a96a42f95cdf8e730734c3e984b0b789855e05d40cd23d00bcbead1fN.exe	32
PID 2616 wrote to memory of 1052	2616	aed33262a96a42f95cdf8e730734c3e984b0b789855e05d40cd23d00bcbead1fN.exe	32
PID 2616 wrote to memory of 1052	2616	aed33262a96a42f95cdf8e730734c3e984b0b789855e05d40cd23d00bcbead1fN.exe	32
PID 1052 wrote to memory of 1220	1052	winver.exe	21
PID 1052 wrote to memory of 1100	1052	winver.exe	19
PID 1052 wrote to memory of 1172	1052	winver.exe	20
PID 1052 wrote to memory of 1220	1052	winver.exe	21
PID 1052 wrote to memory of 632	1052	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1220
- C:\Users\Admin\AppData\Local\Temp\aed33262a96a42f95cdf8e730734c3e984b0b789855e05d40cd23d00bcbead1fN.exe
  "C:\Users\Admin\AppData\Local\Temp\aed33262a96a42f95cdf8e730734c3e984b0b789855e05d40cd23d00bcbead1fN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2616
- - 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:1052

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:632

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/632-29-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/632-26-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/632-30-0x00000000773F1000-0x00000000773F2000-memory.dmp

Filesize
4KB

Download
memory/1052-7-0x00000000775A0000-0x00000000775A1000-memory.dmp

Filesize
4KB

Download
memory/1052-11-0x00000000773A0000-0x0000000077549000-memory.dmp

Filesize
1.7MB

Download
memory/1052-33-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1052-9-0x000000007759F000-0x00000000775A1000-memory.dmp

Filesize
8KB

Download
memory/1052-8-0x000000007759F000-0x00000000775A0000-memory.dmp

Filesize
4KB

Download
memory/1052-6-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1052-38-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/1100-28-0x00000000773F1000-0x00000000773F2000-memory.dmp

Filesize
4KB

Download
memory/1100-27-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/1172-21-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1172-31-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1220-32-0x00000000024A0000-0x00000000024A6000-memory.dmp

Filesize
24KB

Download
memory/1220-23-0x00000000024A0000-0x00000000024A6000-memory.dmp

Filesize
24KB

Download
memory/1220-10-0x00000000773F1000-0x00000000773F2000-memory.dmp

Filesize
4KB

Download
memory/1220-2-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1220-3-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1220-4-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/2616-13-0x0000000001DE0000-0x00000000027E0000-memory.dmp

Filesize
10.0MB

Download
memory/2616-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2616-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2616-5-0x0000000001DE0000-0x00000000027E0000-memory.dmp

Filesize
10.0MB

Download
memory/2616-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download