blustealer | 1957dd6825a26dea37818afdad0143a9b12c2c2ec68ed0058d89b15d55c762f1

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

C2

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 3 IoCs

resource	yara_rule
behavioral1/memory/2296-77-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/2296-79-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/2296-81-0x0000000000090000-0x00000000000AA000-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
4	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1640 set thread context of 2324	1640	hesaphareketi-01.pdf.exe	31
PID 2324 set thread context of 2296	2324	hesaphareketi-01.pdf.exe	32

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1640	hesaphareketi-01.pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1640	hesaphareketi-01.pdf.exe
Token: SeDebugPrivilege	2296	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2324	hesaphareketi-01.pdf.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 2700	1640	hesaphareketi-01.pdf.exe	30
PID 1640 wrote to memory of 2700	1640	hesaphareketi-01.pdf.exe	30
PID 1640 wrote to memory of 2700	1640	hesaphareketi-01.pdf.exe	30
PID 1640 wrote to memory of 2700	1640	hesaphareketi-01.pdf.exe	30
PID 1640 wrote to memory of 2324	1640	hesaphareketi-01.pdf.exe	31
PID 1640 wrote to memory of 2324	1640	hesaphareketi-01.pdf.exe	31
PID 1640 wrote to memory of 2324	1640	hesaphareketi-01.pdf.exe	31
PID 1640 wrote to memory of 2324	1640	hesaphareketi-01.pdf.exe	31
PID 1640 wrote to memory of 2324	1640	hesaphareketi-01.pdf.exe	31
PID 1640 wrote to memory of 2324	1640	hesaphareketi-01.pdf.exe	31
PID 1640 wrote to memory of 2324	1640	hesaphareketi-01.pdf.exe	31
PID 1640 wrote to memory of 2324	1640	hesaphareketi-01.pdf.exe	31
PID 1640 wrote to memory of 2324	1640	hesaphareketi-01.pdf.exe	31
PID 2324 wrote to memory of 2296	2324	hesaphareketi-01.pdf.exe	32
PID 2324 wrote to memory of 2296	2324	hesaphareketi-01.pdf.exe	32
PID 2324 wrote to memory of 2296	2324	hesaphareketi-01.pdf.exe	32
PID 2324 wrote to memory of 2296	2324	hesaphareketi-01.pdf.exe	32
PID 2324 wrote to memory of 2296	2324	hesaphareketi-01.pdf.exe	32
PID 2324 wrote to memory of 2296	2324	hesaphareketi-01.pdf.exe	32
PID 2324 wrote to memory of 2296	2324	hesaphareketi-01.pdf.exe	32
PID 2324 wrote to memory of 2296	2324	hesaphareketi-01.pdf.exe	32
PID 2324 wrote to memory of 2296	2324	hesaphareketi-01.pdf.exe	32

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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"
  2⤵
  PID:2700
- 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:2324
- - 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:2296

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1640-71-0x0000000074340000-0x0000000074A2E000-memory.dmp

Filesize
6.9MB

Download
memory/1640-55-0x0000000074340000-0x0000000074A2E000-memory.dmp

Filesize
6.9MB

Download
memory/1640-56-0x0000000004C60000-0x0000000004CA0000-memory.dmp

Filesize
256KB

Download
memory/1640-57-0x00000000005D0000-0x00000000005EC000-memory.dmp

Filesize
112KB

Download
memory/1640-58-0x0000000074340000-0x0000000074A2E000-memory.dmp

Filesize
6.9MB

Download
memory/1640-59-0x0000000004C60000-0x0000000004CA0000-memory.dmp

Filesize
256KB

Download
memory/1640-60-0x0000000000540000-0x000000000054E000-memory.dmp

Filesize
56KB

Download
memory/1640-61-0x0000000005AD0000-0x0000000005B32000-memory.dmp

Filesize
392KB

Download
memory/1640-54-0x00000000002F0000-0x0000000000378000-memory.dmp

Filesize
544KB

Download
memory/2296-79-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/2296-81-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/2296-84-0x0000000073E10000-0x00000000744FE000-memory.dmp

Filesize
6.9MB

Download
memory/2296-83-0x00000000009A0000-0x00000000009E0000-memory.dmp

Filesize
256KB

Download
memory/2296-82-0x0000000073E10000-0x00000000744FE000-memory.dmp

Filesize
6.9MB

Download
memory/2296-77-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/2296-74-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/2296-76-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2324-70-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2324-62-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2324-64-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2324-63-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2324-68-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2324-66-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2324-85-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

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