blustealer | 1957dd6825a26dea37818afdad0143a9b12c2c2ec68ed0058d89b15d55c762f1

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
12-08-2023 07:47

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General

Target

hesaphareketi-01.pdf.exe
Size

522KB
MD5

6874fa404214cace1c3e0607f827e16e
SHA1

110ca7ad3965a397badae82729be1c43ede7c670
SHA256

1957dd6825a26dea37818afdad0143a9b12c2c2ec68ed0058d89b15d55c762f1
SHA512

41b384435b0ec80f44df6b4e2d45877b84160dd1067a6d04e7b5684a29e06ed4fddeef6e7fa8da08997c2aa3baebfc4a3a293ffe186b1d95bb757ef1db3dd26f
SSDEEP

12288:2GTIYlV2h+RZu5ZcgnziDG/kYiOaONNoZiXL1MkrupND6e:hIYlVDK8m2SsOVNNWiRMuFe

Score

10^/10

blustealer stormkitty stealer

Malware Config

Extracted

Family

blustealer

https://api.telegram.org/bot5374342837:AAHF-c1HAIvNCdF89VuEdNggsL2YBlpgkSE/sendMessage?chat_id=2133303215

Signatures

BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer
StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 1 IoCs

resource	yara_rule
behavioral2/memory/2056-149-0x00000000005B0000-0x00000000005CA000-memory.dmp	family_stormkitty

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
29	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3968 set thread context of 2464	3968	hesaphareketi-01.pdf.exe	90
PID 2464 set thread context of 2056	2464	hesaphareketi-01.pdf.exe	91

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2056	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2464	hesaphareketi-01.pdf.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3968 wrote to memory of 2464	3968	hesaphareketi-01.pdf.exe	90
PID 3968 wrote to memory of 2464	3968	hesaphareketi-01.pdf.exe	90
PID 3968 wrote to memory of 2464	3968	hesaphareketi-01.pdf.exe	90
PID 3968 wrote to memory of 2464	3968	hesaphareketi-01.pdf.exe	90
PID 3968 wrote to memory of 2464	3968	hesaphareketi-01.pdf.exe	90
PID 3968 wrote to memory of 2464	3968	hesaphareketi-01.pdf.exe	90
PID 3968 wrote to memory of 2464	3968	hesaphareketi-01.pdf.exe	90
PID 3968 wrote to memory of 2464	3968	hesaphareketi-01.pdf.exe	90
PID 2464 wrote to memory of 2056	2464	hesaphareketi-01.pdf.exe	91
PID 2464 wrote to memory of 2056	2464	hesaphareketi-01.pdf.exe	91
PID 2464 wrote to memory of 2056	2464	hesaphareketi-01.pdf.exe	91
PID 2464 wrote to memory of 2056	2464	hesaphareketi-01.pdf.exe	91
PID 2464 wrote to memory of 2056	2464	hesaphareketi-01.pdf.exe	91

C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3968
- C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2464
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2056-154-0x0000000074200000-0x00000000749B0000-memory.dmp

Filesize
7.7MB

Download
memory/2056-152-0x0000000004B90000-0x0000000004BA0000-memory.dmp

Filesize
64KB

Download
memory/2056-151-0x0000000074200000-0x00000000749B0000-memory.dmp

Filesize
7.7MB

Download
memory/2056-150-0x0000000004A90000-0x0000000004AF6000-memory.dmp

Filesize
408KB

Download
memory/2056-149-0x00000000005B0000-0x00000000005CA000-memory.dmp

Filesize
104KB

Download
memory/2464-142-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2464-155-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2464-145-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3968-137-0x0000000005CD0000-0x0000000005CE0000-memory.dmp

Filesize
64KB

Download
memory/3968-141-0x000000000B000000-0x000000000B09C000-memory.dmp

Filesize
624KB

Download
memory/3968-140-0x0000000005CD0000-0x0000000005CE0000-memory.dmp

Filesize
64KB

Download
memory/3968-147-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download
memory/3968-139-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download
memory/3968-138-0x0000000005A90000-0x0000000005A9A000-memory.dmp

Filesize
40KB

Download
memory/3968-133-0x0000000000FA0000-0x0000000001028000-memory.dmp

Filesize
544KB

Download
memory/3968-136-0x00000000059C0000-0x0000000005A52000-memory.dmp

Filesize
584KB

Download
memory/3968-135-0x00000000060C0000-0x0000000006664000-memory.dmp

Filesize
5.6MB

Download
memory/3968-134-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download