tinba | a47a7ef6547ef1feeffaf7093a72dd28ccc7294e35c0af536df1a9dc2052839c

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
05-02-2025 01:31

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General

Target

a47a7ef6547ef1feeffaf7093a72dd28ccc7294e35c0af536df1a9dc2052839cN.exe
Size

113KB
MD5

32d01a5aa09c4f78b7b4fdad5d9ec8c0
SHA1

d86590ce6719fd609fa3c0a1f5577726807fb465
SHA256

a47a7ef6547ef1feeffaf7093a72dd28ccc7294e35c0af536df1a9dc2052839c
SHA512

ff5e2ddf8a47a514b1766d4158c7b9e4f731f2692cec07f13b2dcd2d576e734ab7d630730c370c6e03cfd163fce4be92b346a2df90fbfda99a4f585e05cecb15
SSDEEP

1536:BiLOvRmmQegJfBbmAQ256/ZrwWhwqjhurmKFcbL86WV0E:BiyvRmDLs/ZrwWjjAqGcfzWH

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\B09E57A9 = "C:\\Users\\Admin\\AppData\\Roaming\\B09E57A9\\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/2308-0-0x0000000000400000-0x000000000041E000-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	a47a7ef6547ef1feeffaf7093a72dd28ccc7294e35c0af536df1a9dc2052839cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe
1972	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1972	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 1972	2308	a47a7ef6547ef1feeffaf7093a72dd28ccc7294e35c0af536df1a9dc2052839cN.exe	32
PID 2308 wrote to memory of 1972	2308	a47a7ef6547ef1feeffaf7093a72dd28ccc7294e35c0af536df1a9dc2052839cN.exe	32
PID 2308 wrote to memory of 1972	2308	a47a7ef6547ef1feeffaf7093a72dd28ccc7294e35c0af536df1a9dc2052839cN.exe	32
PID 2308 wrote to memory of 1972	2308	a47a7ef6547ef1feeffaf7093a72dd28ccc7294e35c0af536df1a9dc2052839cN.exe	32
PID 2308 wrote to memory of 1972	2308	a47a7ef6547ef1feeffaf7093a72dd28ccc7294e35c0af536df1a9dc2052839cN.exe	32
PID 1972 wrote to memory of 1192	1972	winver.exe	21
PID 1972 wrote to memory of 1104	1972	winver.exe	19
PID 1972 wrote to memory of 1164	1972	winver.exe	20
PID 1972 wrote to memory of 1192	1972	winver.exe	21
PID 1972 wrote to memory of 1312	1972	winver.exe	23

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

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\a47a7ef6547ef1feeffaf7093a72dd28ccc7294e35c0af536df1a9dc2052839cN.exe
  "C:\Users\Admin\AppData\Local\Temp\a47a7ef6547ef1feeffaf7093a72dd28ccc7294e35c0af536df1a9dc2052839cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2308
- - 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:1972

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1312

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/1104-29-0x0000000076F91000-0x0000000076F92000-memory.dmp

Filesize
4KB

Download
memory/1104-31-0x0000000076F91000-0x0000000076F92000-memory.dmp

Filesize
4KB

Download
memory/1104-30-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1164-33-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1164-21-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/1192-10-0x0000000076F91000-0x0000000076F92000-memory.dmp

Filesize
4KB

Download
memory/1192-2-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/1192-4-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/1192-26-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1192-23-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1312-27-0x0000000002360000-0x0000000002366000-memory.dmp

Filesize
24KB

Download
memory/1312-28-0x0000000076F91000-0x0000000076F92000-memory.dmp

Filesize
4KB

Download
memory/1312-25-0x0000000002360000-0x0000000002366000-memory.dmp

Filesize
24KB

Download
memory/1972-9-0x000000007713F000-0x0000000077141000-memory.dmp

Filesize
8KB

Download
memory/1972-32-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1972-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1972-7-0x0000000077140000-0x0000000077141000-memory.dmp

Filesize
4KB

Download
memory/1972-8-0x000000007713F000-0x0000000077140000-memory.dmp

Filesize
4KB

Download
memory/1972-11-0x0000000076F40000-0x00000000770E9000-memory.dmp

Filesize
1.7MB

Download
memory/2308-13-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/2308-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2308-5-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/2308-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2308-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download