c3c08b94e956165562366c14e6ace4a5fe4c66edb0e47628ad94883e02f719ce

General

Target

RFQ-High Star.exe
Size

432KB
MD5

8f7596194540848a34760575eb00b636
SHA1

bbb8ad4edae483048d9785e29b829fbfadcbd371
SHA256

c3c08b94e956165562366c14e6ace4a5fe4c66edb0e47628ad94883e02f719ce
SHA512

f280f059b1126b6107ffdaa59b84c72bf643ed6b2de2ffd448409cb91c744eb41838cd38c5062270a9fb2cb74d3f82320d532a709243001ea6dec0f07980e6df
SSDEEP

6144:P8LxBfsjPzbYSQN5DGHGCPLJqzXhCni57u6IUGiTNJy59IDhN4Uy3Veyky43lWoW:esjbDQOHtkLhSy/aEV6UyoykL19in

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2172	hzejkkd.exe
2196	hzejkkd.exe

Loads dropped DLL 2 IoCs

pid	Process
2912	RFQ-High Star.exe
2172	hzejkkd.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2776	takeown.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2172 set thread context of 2196	2172	hzejkkd.exe	30
PID 2196 set thread context of 1368	2196	hzejkkd.exe	7
PID 2196 set thread context of 2776	2196	hzejkkd.exe	31
PID 2776 set thread context of 1368	2776	takeown.exe	7

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 34 IoCs

pid	Process
2196	hzejkkd.exe
2196	hzejkkd.exe
2196	hzejkkd.exe
2196	hzejkkd.exe
2196	hzejkkd.exe
2196	hzejkkd.exe
2196	hzejkkd.exe
2196	hzejkkd.exe
2196	hzejkkd.exe
2776	takeown.exe
2776	takeown.exe
2776	takeown.exe
2776	takeown.exe
2776	takeown.exe
2776	takeown.exe
2776	takeown.exe
2776	takeown.exe
2776	takeown.exe
2776	takeown.exe
2776	takeown.exe
2776	takeown.exe
2776	takeown.exe
2776	takeown.exe
2776	takeown.exe
2776	takeown.exe
2776	takeown.exe
2776	takeown.exe
2776	takeown.exe
2776	takeown.exe
2776	takeown.exe
2776	takeown.exe
2776	takeown.exe
2776	takeown.exe
2776	takeown.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2172	hzejkkd.exe
2196	hzejkkd.exe
2196	hzejkkd.exe
1368	Explorer.EXE
1368	Explorer.EXE
2776	takeown.exe
2776	takeown.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2912 wrote to memory of 2172	2912	RFQ-High Star.exe	28
PID 2912 wrote to memory of 2172	2912	RFQ-High Star.exe	28
PID 2912 wrote to memory of 2172	2912	RFQ-High Star.exe	28
PID 2912 wrote to memory of 2172	2912	RFQ-High Star.exe	28
PID 2172 wrote to memory of 2196	2172	hzejkkd.exe	30
PID 2172 wrote to memory of 2196	2172	hzejkkd.exe	30
PID 2172 wrote to memory of 2196	2172	hzejkkd.exe	30
PID 2172 wrote to memory of 2196	2172	hzejkkd.exe	30
PID 2172 wrote to memory of 2196	2172	hzejkkd.exe	30
PID 1368 wrote to memory of 2776	1368	Explorer.EXE	31
PID 1368 wrote to memory of 2776	1368	Explorer.EXE	31
PID 1368 wrote to memory of 2776	1368	Explorer.EXE	31
PID 1368 wrote to memory of 2776	1368	Explorer.EXE	31

C:\Users\Admin\AppData\Local\Temp\RFQ-High Star.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ-High Star.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2912
- C:\Users\Admin\AppData\Local\Temp\hzejkkd.exe
  "C:\Users\Admin\AppData\Local\Temp\hzejkkd.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2172
- - C:\Users\Admin\AppData\Local\Temp\hzejkkd.exe
    "C:\Users\Admin\AppData\Local\Temp\hzejkkd.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    PID:2196

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1368
- C:\Windows\SysWOW64\takeown.exe
  "C:\Windows\SysWOW64\takeown.exe"
  2⤵
  - Modifies file permissions
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:2776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

1

T1222

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\yrbzhqik.d

Filesize
270KB

MD5
f78710ac81ff52b67ca6470a196b5bee

SHA1
a0a97137ea9c264f93bef3521b4ef3913ad0c2c0

SHA256
82c34e24229c16808fc8baa06413187efa5ca0ab93a9efe807409c1c661cf449

SHA512
f1d6331a0f23c228ca248bed2763700b9879b31f309fdaa21e57dd7ea67199333dbde7b74e121c09b119a11d4e10db8a6b32b909274c5886484d2fa3bdc628c6

Download Submit
\Users\Admin\AppData\Local\Temp\hzejkkd.exe

Filesize
261KB

MD5
6433e88c2c73b93e935c74e650fee81d

SHA1
4293beea2045cf34746a003ebe779f2302a177f5

SHA256
f16e83d67d23cae50e5c0b8881ff8206e4e73b026229396615d0b8bd2caec7b0

SHA512
f3f1d02345034397ee5e7866ec9d3638f054e4395fe82cbf79bf10e0062ae70bce4d50ffeff018392f85b4799e3bd715780b670606a1decfbe34899805563db7

Download Submit
memory/1368-31-0x0000000008FF0000-0x000000000A173000-memory.dmp

Filesize
17.5MB

Download
memory/1368-21-0x0000000008FF0000-0x000000000A173000-memory.dmp

Filesize
17.5MB

Download
memory/1368-19-0x0000000003A70000-0x0000000003B70000-memory.dmp

Filesize
1024KB

Download
memory/2172-6-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2172-12-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2196-20-0x0000000000290000-0x00000000002AE000-memory.dmp

Filesize
120KB

Download
memory/2196-26-0x0000000000290000-0x00000000002AE000-memory.dmp

Filesize
120KB

Download
memory/2196-18-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2196-15-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2196-14-0x0000000000870000-0x0000000000B73000-memory.dmp

Filesize
3.0MB

Download
memory/2196-13-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2196-10-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2196-17-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2196-24-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2776-23-0x0000000000110000-0x000000000014C000-memory.dmp

Filesize
240KB

Download
memory/2776-27-0x0000000002300000-0x0000000002603000-memory.dmp

Filesize
3.0MB

Download
memory/2776-28-0x0000000000110000-0x000000000014C000-memory.dmp

Filesize
240KB

Download
memory/2776-30-0x00000000003F0000-0x000000000048D000-memory.dmp

Filesize
628KB

Download
memory/2776-22-0x0000000000110000-0x000000000014C000-memory.dmp

Filesize
240KB

Download
memory/2776-32-0x0000000000110000-0x000000000014C000-memory.dmp

Filesize
240KB

Download
memory/2776-33-0x00000000003F0000-0x000000000048D000-memory.dmp

Filesize
628KB

Download

Analysis

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