osiris | 5f84ad4413ad6dcdea0cb3aa206cc4df29e1bad9d9598912c323c931d568ac90

Resubmissions

03-01-2022 15:51

220103-tagh5sbdh2 10

Analysis

max time kernel
600s
max time network
576s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
14-04-2024 13:36

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General

Target

kr.exe
Size

786KB
MD5

899dc9cc6e7516536bf5e816e8cecf55
SHA1

6c07fc00ed2202798194749aa8037bb0ad38bb00
SHA256

5f84ad4413ad6dcdea0cb3aa206cc4df29e1bad9d9598912c323c931d568ac90
SHA512

445016f0e37ee3ecec319b73713d083711608c044f855e16268f89c88d460e95d85b79d375534ac6b7a4a0e869c49470d49b7e325ff0507c550107d593ae688c
SSDEEP

12288:vyxPJa2s86jofrWEuxjcZxyPq8tf8sQ+PRtj3lDsmMHj3N6eiaFmhL+JigR:vyxPJ/s86szWEuKiflOmMDhPEhL+lR

Score

10^/10

osiris banker botnet

Malware Config

Signatures

Osiris
banker botnet osiris
Drops startup file 1 IoCs

Processes:

kr.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ultrasearch.lnk kr.exe
Executes dropped EXE 1 IoCs

Processes:

GetX64BTIT.exe

pid process

3112 GetX64BTIT.exe
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

47 api.ipify.org
48 api.ipify.org
Uses Tor communications 1 TTPs
Malware can proxy its traffic through Tor for more anonymity.

Proxy
T1090
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ultrasearch.lnk	kr.exe

pid	process
3112	GetX64BTIT.exe

flow	ioc
47	api.ipify.org
48	api.ipify.org

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

kr.exe

pid	process
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe
2268	kr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

kr.exe

pid process

2268 kr.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

kr.exe

description pid process target process

PID 2268 wrote to memory of 3112 2268 kr.exe GetX64BTIT.exe
PID 2268 wrote to memory of 3112 2268 kr.exe GetX64BTIT.exe

description	pid	process	target process
PID 2268 wrote to memory of 3112	2268	kr.exe	GetX64BTIT.exe
PID 2268 wrote to memory of 3112	2268	kr.exe	GetX64BTIT.exe

C:\Users\Admin\AppData\Local\Temp\kr.exe
"C:\Users\Admin\AppData\Local\Temp\kr.exe"
1⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2268

C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
"C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
2⤵
- Executes dropped EXE
PID:3112

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Proxy

T1090

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
Filesize
3KB

MD5
b4cd27f2b37665f51eb9fe685ec1d373

SHA1
7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0

SHA256
91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581

SHA512
e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e

Download Submit
C:\Users\Admin\AppData\Local\Temp\x64btit.txt
Filesize
28B

MD5
c75b82736d4640177d75e74ca1470c87

SHA1
12582a15e9e1fbcd153b9eb417aa7f38d0ae92f7

SHA256
42c546861dc7a7e0cd1148878714ea5b276c1f226f2ef0417abb67ad863e18b3

SHA512
086b4a9300c55f12ca18212ae2bcb0934fe7ea96657821b2f9485355958eb17b3bf3fea1fbe0f0afb5e8aa0185d9cc16dea775af72cd10a3a4a158057fd64ee9

Download Submit
memory/2268-17-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2268-55-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2268-1-0x0000000002A50000-0x0000000002A90000-memory.dmp

Filesize
256KB

Download
memory/2268-6-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2268-7-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2268-8-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2268-3-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2268-14-0x0000000000D30000-0x0000000000DFA000-memory.dmp

Filesize
808KB

Download
memory/2268-2-0x0000000000D30000-0x0000000000DFA000-memory.dmp

Filesize
808KB

Download
memory/2268-27-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2268-5-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2268-4-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2268-16-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2268-30-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2268-32-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2268-34-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2268-37-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2268-42-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2268-45-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2268-47-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2268-48-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2268-51-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2268-25-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download