98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29

Analysis

max time kernel
254s
max time network
295s
platform
windows10-1703_x64
resource
win10-20231025-en
resource tags

arch:x64arch:x86image:win10-20231025-enlocale:en-usos:windows10-1703-x64system
submitted
13-11-2023 08:19

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General

Target

98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29.exe
Size

323KB
MD5

48025ebdf733912d9598ce33a86f47ff
SHA1

46bbae78f7243b83906f79ae881df1575d44efc2
SHA256

98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29
SHA512

38662637a37321ef907e70ba2be224620e32c7bb9253e64dcf27067afdfdc280e32a24eebfd1170c5b41a7fc75c50b5970ec01dc2dbda8607394664cb07a42f1
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 10 IoCs

pid	Process
4116	oobeldr.exe
912	oobeldr.exe
3476	oobeldr.exe
2100	oobeldr.exe
3624	oobeldr.exe
2204	oobeldr.exe
4376	oobeldr.exe
4144	oobeldr.exe
3336	oobeldr.exe
532	oobeldr.exe

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 2292 set thread context of 1764	2292	98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29.exe	72
PID 4116 set thread context of 912	4116	oobeldr.exe	76
PID 3476 set thread context of 2100	3476	oobeldr.exe	80
PID 3624 set thread context of 2204	3624	oobeldr.exe	82
PID 4376 set thread context of 4144	4376	oobeldr.exe	84
PID 3336 set thread context of 532	3336	oobeldr.exe	86

Creates scheduled task(s) 1 TTPs 2 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
4580	schtasks.exe
4620	schtasks.exe

Suspicious use of WriteProcessMemory 63 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 1156	2292	98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29.exe	36
PID 2292 wrote to memory of 1156	2292	98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29.exe	36
PID 2292 wrote to memory of 1156	2292	98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29.exe	36
PID 2292 wrote to memory of 1764	2292	98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29.exe	72
PID 2292 wrote to memory of 1764	2292	98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29.exe	72
PID 2292 wrote to memory of 1764	2292	98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29.exe	72
PID 2292 wrote to memory of 1764	2292	98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29.exe	72
PID 2292 wrote to memory of 1764	2292	98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29.exe	72
PID 2292 wrote to memory of 1764	2292	98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29.exe	72
PID 2292 wrote to memory of 1764	2292	98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29.exe	72
PID 2292 wrote to memory of 1764	2292	98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29.exe	72
PID 2292 wrote to memory of 1764	2292	98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29.exe	72
PID 1764 wrote to memory of 4580	1764	98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29.exe	73
PID 1764 wrote to memory of 4580	1764	98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29.exe	73
PID 1764 wrote to memory of 4580	1764	98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29.exe	73
PID 4116 wrote to memory of 912	4116	oobeldr.exe	76
PID 4116 wrote to memory of 912	4116	oobeldr.exe	76
PID 4116 wrote to memory of 912	4116	oobeldr.exe	76
PID 4116 wrote to memory of 912	4116	oobeldr.exe	76
PID 4116 wrote to memory of 912	4116	oobeldr.exe	76
PID 4116 wrote to memory of 912	4116	oobeldr.exe	76
PID 4116 wrote to memory of 912	4116	oobeldr.exe	76
PID 4116 wrote to memory of 912	4116	oobeldr.exe	76
PID 4116 wrote to memory of 912	4116	oobeldr.exe	76
PID 912 wrote to memory of 4620	912	oobeldr.exe	78
PID 912 wrote to memory of 4620	912	oobeldr.exe	78
PID 912 wrote to memory of 4620	912	oobeldr.exe	78
PID 3476 wrote to memory of 2100	3476	oobeldr.exe	80
PID 3476 wrote to memory of 2100	3476	oobeldr.exe	80
PID 3476 wrote to memory of 2100	3476	oobeldr.exe	80
PID 3476 wrote to memory of 2100	3476	oobeldr.exe	80
PID 3476 wrote to memory of 2100	3476	oobeldr.exe	80
PID 3476 wrote to memory of 2100	3476	oobeldr.exe	80
PID 3476 wrote to memory of 2100	3476	oobeldr.exe	80
PID 3476 wrote to memory of 2100	3476	oobeldr.exe	80
PID 3476 wrote to memory of 2100	3476	oobeldr.exe	80
PID 3624 wrote to memory of 2204	3624	oobeldr.exe	82
PID 3624 wrote to memory of 2204	3624	oobeldr.exe	82
PID 3624 wrote to memory of 2204	3624	oobeldr.exe	82
PID 3624 wrote to memory of 2204	3624	oobeldr.exe	82
PID 3624 wrote to memory of 2204	3624	oobeldr.exe	82
PID 3624 wrote to memory of 2204	3624	oobeldr.exe	82
PID 3624 wrote to memory of 2204	3624	oobeldr.exe	82
PID 3624 wrote to memory of 2204	3624	oobeldr.exe	82
PID 3624 wrote to memory of 2204	3624	oobeldr.exe	82
PID 4376 wrote to memory of 4144	4376	oobeldr.exe	84
PID 4376 wrote to memory of 4144	4376	oobeldr.exe	84
PID 4376 wrote to memory of 4144	4376	oobeldr.exe	84
PID 4376 wrote to memory of 4144	4376	oobeldr.exe	84
PID 4376 wrote to memory of 4144	4376	oobeldr.exe	84
PID 4376 wrote to memory of 4144	4376	oobeldr.exe	84
PID 4376 wrote to memory of 4144	4376	oobeldr.exe	84
PID 4376 wrote to memory of 4144	4376	oobeldr.exe	84
PID 4376 wrote to memory of 4144	4376	oobeldr.exe	84
PID 3336 wrote to memory of 532	3336	oobeldr.exe	86
PID 3336 wrote to memory of 532	3336	oobeldr.exe	86
PID 3336 wrote to memory of 532	3336	oobeldr.exe	86
PID 3336 wrote to memory of 532	3336	oobeldr.exe	86
PID 3336 wrote to memory of 532	3336	oobeldr.exe	86
PID 3336 wrote to memory of 532	3336	oobeldr.exe	86
PID 3336 wrote to memory of 532	3336	oobeldr.exe	86
PID 3336 wrote to memory of 532	3336	oobeldr.exe	86
PID 3336 wrote to memory of 532	3336	oobeldr.exe	86

C:\Users\Admin\AppData\Local\Temp\98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29.exe
"C:\Users\Admin\AppData\Local\Temp\98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Users\Admin\AppData\Local\Temp\98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29.exe
  C:\Users\Admin\AppData\Local\Temp\98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29.exe
  2⤵
  PID:1156
- C:\Users\Admin\AppData\Local\Temp\98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29.exe
  C:\Users\Admin\AppData\Local\Temp\98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1764
- - C:\Windows\SysWOW64\schtasks.exe
    /C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"
    3⤵
    - Creates scheduled task(s)
    PID:4580

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4116
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:912
- - C:\Windows\SysWOW64\schtasks.exe
    /C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"
    3⤵
    - Creates scheduled task(s)
    PID:4620

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3476
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:2100

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3624
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:2204

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4376
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4144

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3336
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:532

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\oobeldr.exe.log

Filesize
789B

MD5
db5ef8d7c51bad129d9097bf953e4913

SHA1
8439db960aa2d431bf5ec3c37af775b45eb07e06

SHA256
1248e67f10b47b397af3c8cbe342bad4be75c68b8e10f4ec6341195cc3138bd9

SHA512
04572485790b25e1751347e43b47174051cd153dd75fd55ee5590d25a2579f344cd96cf86cf45bdb7759e3e6d0f734d0ff717148ca70f501b9869e964e036fee

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
323KB

MD5
48025ebdf733912d9598ce33a86f47ff

SHA1
46bbae78f7243b83906f79ae881df1575d44efc2

SHA256
98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29

SHA512
38662637a37321ef907e70ba2be224620e32c7bb9253e64dcf27067afdfdc280e32a24eebfd1170c5b41a7fc75c50b5970ec01dc2dbda8607394664cb07a42f1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
323KB

MD5
48025ebdf733912d9598ce33a86f47ff

SHA1
46bbae78f7243b83906f79ae881df1575d44efc2

SHA256
98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29

SHA512
38662637a37321ef907e70ba2be224620e32c7bb9253e64dcf27067afdfdc280e32a24eebfd1170c5b41a7fc75c50b5970ec01dc2dbda8607394664cb07a42f1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
323KB

MD5
48025ebdf733912d9598ce33a86f47ff

SHA1
46bbae78f7243b83906f79ae881df1575d44efc2

SHA256
98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29

SHA512
38662637a37321ef907e70ba2be224620e32c7bb9253e64dcf27067afdfdc280e32a24eebfd1170c5b41a7fc75c50b5970ec01dc2dbda8607394664cb07a42f1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
323KB

MD5
48025ebdf733912d9598ce33a86f47ff

SHA1
46bbae78f7243b83906f79ae881df1575d44efc2

SHA256
98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29

SHA512
38662637a37321ef907e70ba2be224620e32c7bb9253e64dcf27067afdfdc280e32a24eebfd1170c5b41a7fc75c50b5970ec01dc2dbda8607394664cb07a42f1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
323KB

MD5
48025ebdf733912d9598ce33a86f47ff

SHA1
46bbae78f7243b83906f79ae881df1575d44efc2

SHA256
98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29

SHA512
38662637a37321ef907e70ba2be224620e32c7bb9253e64dcf27067afdfdc280e32a24eebfd1170c5b41a7fc75c50b5970ec01dc2dbda8607394664cb07a42f1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
323KB

MD5
48025ebdf733912d9598ce33a86f47ff

SHA1
46bbae78f7243b83906f79ae881df1575d44efc2

SHA256
98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29

SHA512
38662637a37321ef907e70ba2be224620e32c7bb9253e64dcf27067afdfdc280e32a24eebfd1170c5b41a7fc75c50b5970ec01dc2dbda8607394664cb07a42f1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
323KB

MD5
48025ebdf733912d9598ce33a86f47ff

SHA1
46bbae78f7243b83906f79ae881df1575d44efc2

SHA256
98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29

SHA512
38662637a37321ef907e70ba2be224620e32c7bb9253e64dcf27067afdfdc280e32a24eebfd1170c5b41a7fc75c50b5970ec01dc2dbda8607394664cb07a42f1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
323KB

MD5
48025ebdf733912d9598ce33a86f47ff

SHA1
46bbae78f7243b83906f79ae881df1575d44efc2

SHA256
98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29

SHA512
38662637a37321ef907e70ba2be224620e32c7bb9253e64dcf27067afdfdc280e32a24eebfd1170c5b41a7fc75c50b5970ec01dc2dbda8607394664cb07a42f1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
323KB

MD5
48025ebdf733912d9598ce33a86f47ff

SHA1
46bbae78f7243b83906f79ae881df1575d44efc2

SHA256
98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29

SHA512
38662637a37321ef907e70ba2be224620e32c7bb9253e64dcf27067afdfdc280e32a24eebfd1170c5b41a7fc75c50b5970ec01dc2dbda8607394664cb07a42f1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
323KB

MD5
48025ebdf733912d9598ce33a86f47ff

SHA1
46bbae78f7243b83906f79ae881df1575d44efc2

SHA256
98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29

SHA512
38662637a37321ef907e70ba2be224620e32c7bb9253e64dcf27067afdfdc280e32a24eebfd1170c5b41a7fc75c50b5970ec01dc2dbda8607394664cb07a42f1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
323KB

MD5
48025ebdf733912d9598ce33a86f47ff

SHA1
46bbae78f7243b83906f79ae881df1575d44efc2

SHA256
98bfe3e1ebf2ad1b7502ca6ba363d95947e318f66863a59876a03936a5e7cb29

SHA512
38662637a37321ef907e70ba2be224620e32c7bb9253e64dcf27067afdfdc280e32a24eebfd1170c5b41a7fc75c50b5970ec01dc2dbda8607394664cb07a42f1

Download Submit
memory/1764-12-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1764-14-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1764-9-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2100-34-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2292-15-0x0000000073170000-0x000000007385E000-memory.dmp

Filesize
6.9MB

Download
memory/2292-2-0x0000000007D60000-0x0000000007E2C000-memory.dmp

Filesize
816KB

Download
memory/2292-0-0x0000000000F30000-0x0000000000F86000-memory.dmp

Filesize
344KB

Download
memory/2292-3-0x0000000008330000-0x000000000882E000-memory.dmp

Filesize
5.0MB

Download
memory/2292-1-0x0000000073170000-0x000000007385E000-memory.dmp

Filesize
6.9MB

Download
memory/2292-4-0x0000000007ED0000-0x0000000007F62000-memory.dmp

Filesize
584KB

Download
memory/2292-5-0x0000000007E40000-0x0000000007E46000-memory.dmp

Filesize
24KB

Download
memory/2292-8-0x0000000007E90000-0x0000000007EAE000-memory.dmp

Filesize
120KB

Download
memory/2292-7-0x00000000081F0000-0x0000000008266000-memory.dmp

Filesize
472KB

Download
memory/2292-6-0x00000000059D0000-0x00000000059E0000-memory.dmp

Filesize
64KB

Download
memory/3336-60-0x0000000073210000-0x00000000738FE000-memory.dmp

Filesize
6.9MB

Download
memory/3336-54-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/3336-53-0x0000000073210000-0x00000000738FE000-memory.dmp

Filesize
6.9MB

Download
memory/3476-28-0x0000000073210000-0x00000000738FE000-memory.dmp

Filesize
6.9MB

Download
memory/3476-35-0x0000000073210000-0x00000000738FE000-memory.dmp

Filesize
6.9MB

Download
memory/3476-29-0x0000000004A20000-0x0000000004A30000-memory.dmp

Filesize
64KB

Download
memory/3624-43-0x0000000073210000-0x00000000738FE000-memory.dmp

Filesize
6.9MB

Download
memory/3624-38-0x0000000005360000-0x0000000005370000-memory.dmp

Filesize
64KB

Download
memory/3624-37-0x0000000073210000-0x00000000738FE000-memory.dmp

Filesize
6.9MB

Download
memory/4116-19-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

Filesize
64KB

Download
memory/4116-18-0x0000000073170000-0x000000007385E000-memory.dmp

Filesize
6.9MB

Download
memory/4116-25-0x0000000073170000-0x000000007385E000-memory.dmp

Filesize
6.9MB

Download
memory/4376-46-0x0000000005830000-0x0000000005840000-memory.dmp

Filesize
64KB

Download
memory/4376-45-0x0000000073210000-0x00000000738FE000-memory.dmp

Filesize
6.9MB

Download
memory/4376-51-0x0000000073210000-0x00000000738FE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads