tinba | d44670cade496ba9791f058a810e8c8578a751b2aa37eeedbaa92acf8c128ca4

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
01/02/2024, 15:06

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General

Target

87313f505a30b25062b3402ee0bf9273.exe
Size

160KB
MD5

87313f505a30b25062b3402ee0bf9273
SHA1

3b5a1b8037c759d93733963ac662d424a2c433df
SHA256

d44670cade496ba9791f058a810e8c8578a751b2aa37eeedbaa92acf8c128ca4
SHA512

99dbb293572354b09559cddc97fa5fd7a11f2f64d90bda68c934e45dba759ccc3cf555623f56c53eeb9cf348bae0399daa46a3d970de75c9f74e6290a37b1b13
SSDEEP

1536:lEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:OY+4MiIkLZJNAQ9J6v

Score

10^/10

tinba banker persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2544-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

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-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\F829BE81 = "C:\\Users\\Admin\\AppData\\Roaming\\F829BE81\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe
2220	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2220	winver.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 2220	2544	87313f505a30b25062b3402ee0bf9273.exe	29
PID 2544 wrote to memory of 2220	2544	87313f505a30b25062b3402ee0bf9273.exe	29
PID 2544 wrote to memory of 2220	2544	87313f505a30b25062b3402ee0bf9273.exe	29
PID 2544 wrote to memory of 2220	2544	87313f505a30b25062b3402ee0bf9273.exe	29
PID 2544 wrote to memory of 2220	2544	87313f505a30b25062b3402ee0bf9273.exe	29
PID 2220 wrote to memory of 1256	2220	winver.exe	10
PID 2220 wrote to memory of 1112	2220	winver.exe	12
PID 2220 wrote to memory of 1184	2220	winver.exe	11
PID 2220 wrote to memory of 1256	2220	winver.exe	10

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1256
- C:\Users\Admin\AppData\Local\Temp\87313f505a30b25062b3402ee0bf9273.exe
  "C:\Users\Admin\AppData\Local\Temp\87313f505a30b25062b3402ee0bf9273.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2544
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2220

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1184

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1112-24-0x0000000076DF1000-0x0000000076DF2000-memory.dmp

Filesize
4KB

Download
memory/1112-22-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1184-21-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1184-26-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1256-27-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1256-4-0x0000000002690000-0x0000000002696000-memory.dmp

Filesize
24KB

Download
memory/1256-25-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1256-2-0x0000000002690000-0x0000000002696000-memory.dmp

Filesize
24KB

Download
memory/1256-6-0x0000000002690000-0x0000000002696000-memory.dmp

Filesize
24KB

Download
memory/1256-10-0x0000000076DF1000-0x0000000076DF2000-memory.dmp

Filesize
4KB

Download
memory/2220-8-0x0000000076F9F000-0x0000000076FA1000-memory.dmp

Filesize
8KB

Download
memory/2220-9-0x0000000076FA0000-0x0000000076FA1000-memory.dmp

Filesize
4KB

Download
memory/2220-32-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2220-28-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2220-15-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2220-16-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2220-7-0x0000000076F9F000-0x0000000076FA0000-memory.dmp

Filesize
4KB

Download
memory/2220-11-0x0000000000680000-0x0000000000696000-memory.dmp

Filesize
88KB

Download
memory/2220-5-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2544-3-0x0000000001E40000-0x0000000002840000-memory.dmp

Filesize
10.0MB

Download
memory/2544-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2544-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2544-13-0x0000000001E40000-0x0000000002840000-memory.dmp

Filesize
10.0MB

Download
memory/2544-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download