blustealer | 9f42a87633b7a40b8ce90e2d156d2c98fa9ebf7946e3af454fddc82aaf259c91

General

Target

5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe
Size

963KB
MD5

5b99e078a95f02617911e2403177a8dd
SHA1

d9c1cbbd8d3b49c0af18b754e3a217689cf828fb
SHA256

9f42a87633b7a40b8ce90e2d156d2c98fa9ebf7946e3af454fddc82aaf259c91
SHA512

a4c5fc7789c8bc7ba16b48ffc5a9d6f761d165bcaacf6f3b654f5f22be22850fe955d9ac228107f73bc2a720d115851173f0b2a307ba753ccfb346091862f11f
SSDEEP

12288:yAeoSjd75My5rWpiBvy29xzqk5rm97D5BWKjQJj+UXxeLNdU:yhddBqwxJdm97D5rjQJj+cxydU

Score

10^/10

blustealer stealer

Malware Config

Signatures

BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2224 set thread context of 2408	2224	5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe	32

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2680	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2224	5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2224	5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2408	5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 2680	2224	5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe	30
PID 2224 wrote to memory of 2680	2224	5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe	30
PID 2224 wrote to memory of 2680	2224	5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe	30
PID 2224 wrote to memory of 2680	2224	5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe	30
PID 2224 wrote to memory of 2408	2224	5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe	32
PID 2224 wrote to memory of 2408	2224	5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe	32
PID 2224 wrote to memory of 2408	2224	5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe	32
PID 2224 wrote to memory of 2408	2224	5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe	32
PID 2224 wrote to memory of 2408	2224	5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe	32
PID 2224 wrote to memory of 2408	2224	5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe	32
PID 2224 wrote to memory of 2408	2224	5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe	32
PID 2224 wrote to memory of 2408	2224	5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe	32
PID 2224 wrote to memory of 2408	2224	5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EnxgYjqgBbJac" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDD54.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2680
- C:\Users\Admin\AppData\Local\Temp\5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe
  "{path}"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2408

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpDD54.tmp

Filesize
1KB

MD5
e897df9c1409e5d52c8f653587e0bb25

SHA1
b59613a9d7c8b3c6d49e45f3f2bc2d6379063731

SHA256
238b165adbd0c20ff29f2422e58100b06addeb8056a1d6191f8423c37a2bf079

SHA512
5d84fd322d4cc37097e86002a9c1f6833d3aab22796456c61adfa43bbae1187b9459b09c7f53dfde05731de3430f94a23e585ecdadd3ff397432398d8ad1c125

Download Submit
memory/2224-4-0x0000000073E10000-0x00000000744FE000-memory.dmp

Filesize
6.9MB

Download
memory/2224-22-0x0000000073E10000-0x00000000744FE000-memory.dmp

Filesize
6.9MB

Download
memory/2224-3-0x0000000000300000-0x0000000000314000-memory.dmp

Filesize
80KB

Download
memory/2224-1-0x0000000073E10000-0x00000000744FE000-memory.dmp

Filesize
6.9MB

Download
memory/2224-0-0x00000000011E0000-0x00000000012D8000-memory.dmp

Filesize
992KB

Download
memory/2224-6-0x00000000057B0000-0x000000000586A000-memory.dmp

Filesize
744KB

Download
memory/2224-2-0x0000000004DE0000-0x0000000004E20000-memory.dmp

Filesize
256KB

Download
memory/2224-7-0x0000000004D70000-0x0000000004DE0000-memory.dmp

Filesize
448KB

Download
memory/2224-5-0x0000000004DE0000-0x0000000004E20000-memory.dmp

Filesize
256KB

Download
memory/2408-13-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2408-15-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2408-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2408-19-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2408-11-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2408-21-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2408-25-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads