tinba | 77ddf9ec362d3aea823f397427cfed8edfaa9eb7be119a49f4fd41d8bd7eb129

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
07/01/2024, 05:45

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General

Target
48303f1ea4e3ef6a73c9e5b2687bccb4.exe
Size 160KB
Sample240107-gf3bksfdbl
SHA256 77ddf9ec362d3aea823f397427cfed8edfaa9eb7be119a49f4fd41d8bd7eb129
MD5 48303f1ea4e3ef6a73c9e5b2687bccb4
SHA1 ff3e014db73a6aa243973df4bac6e605eb3b35d9
SHA512 44262595d2aed442c224f0afb4709e7c56d0fc29343dead33af3d59a22a1a7fc4633ad26f16d6972e467cc266a7859f3c7ca383baa30f8855cf88af958a44357
SSDEEP 1536:vEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:cY+4MiIkLZJNAQ9J6v
MD5 SHA1 SHA512 SSDEEP

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/1720-0-0x0000000000400000-0x0000000000428000-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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\661879A2 = "C:\\Users\\Admin\\AppData\\Roaming\\661879A2\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2984	winver.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 2984	1720	48303f1ea4e3ef6a73c9e5b2687bccb4.exe	29
PID 1720 wrote to memory of 2984	1720	48303f1ea4e3ef6a73c9e5b2687bccb4.exe	29
PID 1720 wrote to memory of 2984	1720	48303f1ea4e3ef6a73c9e5b2687bccb4.exe	29
PID 1720 wrote to memory of 2984	1720	48303f1ea4e3ef6a73c9e5b2687bccb4.exe	29
PID 1720 wrote to memory of 2984	1720	48303f1ea4e3ef6a73c9e5b2687bccb4.exe	29
PID 2984 wrote to memory of 1240	2984	winver.exe	16
PID 2984 wrote to memory of 1124	2984	winver.exe	18
PID 2984 wrote to memory of 1200	2984	winver.exe	17
PID 2984 wrote to memory of 1240	2984	winver.exe	16

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1240
- C:\Users\Admin\AppData\Local\Temp\48303f1ea4e3ef6a73c9e5b2687bccb4.exe
  "C:\Users\Admin\AppData\Local\Temp\48303f1ea4e3ef6a73c9e5b2687bccb4.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1720
- - 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:2984

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1200

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

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/1124-25-0x0000000000260000-0x0000000000266000-memory.dmp

Download

memory/1200-20-0x00000000001A0000-0x00000000001A6000-memory.dmp

Download

memory/1200-23-0x00000000001A0000-0x00000000001A6000-memory.dmp

Download

memory/1200-24-0x0000000077791000-0x0000000077792000-memory.dmp

Download

memory/1240-6-0x0000000002200000-0x0000000002206000-memory.dmp

Download

memory/1240-2-0x0000000002200000-0x0000000002206000-memory.dmp

Download

memory/1240-22-0x00000000021E0000-0x00000000021E6000-memory.dmp

Download

memory/1240-11-0x0000000077791000-0x0000000077792000-memory.dmp

Download

memory/1240-26-0x00000000021E0000-0x00000000021E6000-memory.dmp

Download

memory/1720-1-0x0000000000020000-0x0000000000021000-memory.dmp

Download

memory/1720-0-0x0000000000400000-0x0000000000428000-memory.dmp

Download

memory/1720-12-0x0000000000400000-0x0000000000428000-memory.dmp

Download

memory/1720-13-0x0000000001CD0000-0x00000000026D0000-memory.dmp

Download

memory/1720-3-0x0000000001CD0000-0x00000000026D0000-memory.dmp

Download

memory/2984-9-0x000000007793F000-0x0000000077941000-memory.dmp

Download

memory/2984-4-0x0000000000090000-0x0000000000096000-memory.dmp

Download

memory/2984-16-0x00000000000D0000-0x00000000000D1000-memory.dmp

Download

memory/2984-15-0x0000000000090000-0x0000000000096000-memory.dmp

Download

memory/2984-7-0x00000000000E0000-0x00000000000F6000-memory.dmp

Download

memory/2984-10-0x0000000077940000-0x0000000077941000-memory.dmp

Download

memory/2984-8-0x000000007793F000-0x0000000077940000-memory.dmp

Download

memory/2984-30-0x0000000000090000-0x0000000000096000-memory.dmp

Download

memory/2984-31-0x00000000001F0000-0x00000000001F1000-memory.dmp

Download