tinba | e8dfc277a9f269239086306b59eea2bb8f0a7857b05b86752d37412da7f3e1d7

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
11-01-2025 01:56

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General

Target

e8dfc277a9f269239086306b59eea2bb8f0a7857b05b86752d37412da7f3e1d7N.exe
Size

110KB
MD5

fe7fae81b46140a0abec1d31f03c17e0
SHA1

f92c7306d3cfb30e4234f1c197821992acb7aa2a
SHA256

e8dfc277a9f269239086306b59eea2bb8f0a7857b05b86752d37412da7f3e1d7
SHA512

dafcce604d5626082944e963720aa09ce68e254b026853718ca69823f9b4109ba26506c5709bf1678f91880340d025400e2989ab94ab6d574c92298304b2201a
SSDEEP

1536:HiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:HiyvRmDLs/ZrwWJjAqGcRJ2hg

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\F6D46038 = "C:\\Users\\Admin\\AppData\\Roaming\\F6D46038\\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/2280-0-0x0000000000400000-0x000000000041E000-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	e8dfc277a9f269239086306b59eea2bb8f0a7857b05b86752d37412da7f3e1d7N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2972	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2972	2280	e8dfc277a9f269239086306b59eea2bb8f0a7857b05b86752d37412da7f3e1d7N.exe	31
PID 2280 wrote to memory of 2972	2280	e8dfc277a9f269239086306b59eea2bb8f0a7857b05b86752d37412da7f3e1d7N.exe	31
PID 2280 wrote to memory of 2972	2280	e8dfc277a9f269239086306b59eea2bb8f0a7857b05b86752d37412da7f3e1d7N.exe	31
PID 2280 wrote to memory of 2972	2280	e8dfc277a9f269239086306b59eea2bb8f0a7857b05b86752d37412da7f3e1d7N.exe	31
PID 2280 wrote to memory of 2972	2280	e8dfc277a9f269239086306b59eea2bb8f0a7857b05b86752d37412da7f3e1d7N.exe	31
PID 2972 wrote to memory of 1128	2972	winver.exe	20
PID 2972 wrote to memory of 1044	2972	winver.exe	17
PID 2972 wrote to memory of 1068	2972	winver.exe	18
PID 2972 wrote to memory of 1128	2972	winver.exe	20
PID 2972 wrote to memory of 1996	2972	winver.exe	23

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

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1068

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1128
- C:\Users\Admin\AppData\Local\Temp\e8dfc277a9f269239086306b59eea2bb8f0a7857b05b86752d37412da7f3e1d7N.exe
  "C:\Users\Admin\AppData\Local\Temp\e8dfc277a9f269239086306b59eea2bb8f0a7857b05b86752d37412da7f3e1d7N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2280
- - 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:2972

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1996

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/1044-25-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1044-26-0x0000000077351000-0x0000000077352000-memory.dmp

Filesize
4KB

Download
memory/1068-20-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1068-29-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1128-22-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1128-4-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1128-3-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1128-2-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1128-10-0x0000000077351000-0x0000000077352000-memory.dmp

Filesize
4KB

Download
memory/1128-27-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1996-31-0x0000000001BD0000-0x0000000001BD6000-memory.dmp

Filesize
24KB

Download
memory/1996-24-0x0000000001BD0000-0x0000000001BD6000-memory.dmp

Filesize
24KB

Download
memory/1996-30-0x0000000077351000-0x0000000077352000-memory.dmp

Filesize
4KB

Download
memory/2280-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2280-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2280-13-0x0000000001C50000-0x0000000002650000-memory.dmp

Filesize
10.0MB

Download
memory/2280-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2280-5-0x0000000001C50000-0x0000000002650000-memory.dmp

Filesize
10.0MB

Download
memory/2972-7-0x0000000077500000-0x0000000077501000-memory.dmp

Filesize
4KB

Download
memory/2972-9-0x00000000774FF000-0x0000000077501000-memory.dmp

Filesize
8KB

Download
memory/2972-11-0x0000000077300000-0x00000000774A9000-memory.dmp

Filesize
1.7MB

Download
memory/2972-8-0x00000000774FF000-0x0000000077500000-memory.dmp

Filesize
4KB

Download
memory/2972-28-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2972-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2972-36-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download