tinba | e38e5f1590d43fc212f4778fbcf0a795e8dda5b65b9cb5fea0524f9aae6ca3e6

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 04:53

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General

Target

e38e5f1590d43fc212f4778fbcf0a795e8dda5b65b9cb5fea0524f9aae6ca3e6.exe
Size

110KB
MD5

2f0046f371126fde85c4e276470baaef
SHA1

cd6fba8e2addd8b61e90118a57dae7144cd5eae0
SHA256

e38e5f1590d43fc212f4778fbcf0a795e8dda5b65b9cb5fea0524f9aae6ca3e6
SHA512

f18809a284106cc6853ded400de8caf7e6666daf7526d75a418e9b20eaa3e517cf93d095899be62a730e21ac4d1abb43768f9e50fc9a8396cc984747429d1ff4
SSDEEP

1536:giLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:giyvRmDLs/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

Processes:

winver.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\5768D0F0 = "C:\\Users\\Admin\\AppData\\Roaming\\5768D0F0\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/2092-0-0x0000000000400000-0x000000000041E000-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

Processes:

e38e5f1590d43fc212f4778fbcf0a795e8dda5b65b9cb5fea0524f9aae6ca3e6.exewinver.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e38e5f1590d43fc212f4778fbcf0a795e8dda5b65b9cb5fea0524f9aae6ca3e6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

winver.exe

pid	Process
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe
288	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

winver.exe

pid	Process
288	winver.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

e38e5f1590d43fc212f4778fbcf0a795e8dda5b65b9cb5fea0524f9aae6ca3e6.exewinver.exe

description	pid	Process	procid_target
PID 2092 wrote to memory of 288	2092	e38e5f1590d43fc212f4778fbcf0a795e8dda5b65b9cb5fea0524f9aae6ca3e6.exe	31
PID 2092 wrote to memory of 288	2092	e38e5f1590d43fc212f4778fbcf0a795e8dda5b65b9cb5fea0524f9aae6ca3e6.exe	31
PID 2092 wrote to memory of 288	2092	e38e5f1590d43fc212f4778fbcf0a795e8dda5b65b9cb5fea0524f9aae6ca3e6.exe	31
PID 2092 wrote to memory of 288	2092	e38e5f1590d43fc212f4778fbcf0a795e8dda5b65b9cb5fea0524f9aae6ca3e6.exe	31
PID 2092 wrote to memory of 288	2092	e38e5f1590d43fc212f4778fbcf0a795e8dda5b65b9cb5fea0524f9aae6ca3e6.exe	31
PID 288 wrote to memory of 1192	288	winver.exe	21
PID 288 wrote to memory of 1100	288	winver.exe	19
PID 288 wrote to memory of 1160	288	winver.exe	20
PID 288 wrote to memory of 1192	288	winver.exe	21

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\e38e5f1590d43fc212f4778fbcf0a795e8dda5b65b9cb5fea0524f9aae6ca3e6.exe
  "C:\Users\Admin\AppData\Local\Temp\e38e5f1590d43fc212f4778fbcf0a795e8dda5b65b9cb5fea0524f9aae6ca3e6.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2092
- - 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:288

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/288-11-0x0000000077220000-0x00000000773C9000-memory.dmp

Filesize
1.7MB

Download
memory/288-32-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/288-28-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/288-9-0x000000007741F000-0x0000000077421000-memory.dmp

Filesize
8KB

Download
memory/288-8-0x000000007741F000-0x0000000077420000-memory.dmp

Filesize
4KB

Download
memory/288-7-0x0000000077420000-0x0000000077421000-memory.dmp

Filesize
4KB

Download
memory/288-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1100-23-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1100-25-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1100-24-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1100-22-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1160-26-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1160-19-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1192-10-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1192-21-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1192-4-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1192-27-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/2092-13-0x0000000001E40000-0x0000000002840000-memory.dmp

Filesize
10.0MB

Download
memory/2092-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2092-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2092-5-0x0000000001E40000-0x0000000002840000-memory.dmp

Filesize
10.0MB

Download
memory/2092-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download