f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2

Analysis

max time kernel
103s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
02/11/2022, 01:22

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General

Target

f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2.exe
Size

325KB
MD5

642e55bffd4dea672ad494cde1ae6b36
SHA1

c80539149e6597dd064f9c6c2304be55b057f316
SHA256

f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2
SHA512

9d35b471226a179c97ae963ed03caed5fd1616abc0c62f153945f6b2a81165df5307a9bd4e3f196721cbd75bb511dcf244764300aff29fafeac2f2945de5e0d0
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
2996	oobeldr.exe
544	oobeldr.exe
3768	oobeldr.exe
4736	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1608 set thread context of 5048	1608	f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2.exe	80
PID 2996 set thread context of 544	2996	oobeldr.exe	91
PID 3768 set thread context of 4736	3768	oobeldr.exe	95

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

T1053

pid	Process
740	schtasks.exe
4572	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 5048	1608	f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2.exe	80
PID 1608 wrote to memory of 5048	1608	f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2.exe	80
PID 1608 wrote to memory of 5048	1608	f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2.exe	80
PID 1608 wrote to memory of 5048	1608	f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2.exe	80
PID 1608 wrote to memory of 5048	1608	f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2.exe	80
PID 1608 wrote to memory of 5048	1608	f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2.exe	80
PID 1608 wrote to memory of 5048	1608	f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2.exe	80
PID 1608 wrote to memory of 5048	1608	f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2.exe	80
PID 1608 wrote to memory of 5048	1608	f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2.exe	80
PID 5048 wrote to memory of 740	5048	f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2.exe	84
PID 5048 wrote to memory of 740	5048	f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2.exe	84
PID 5048 wrote to memory of 740	5048	f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2.exe	84
PID 2996 wrote to memory of 544	2996	oobeldr.exe	91
PID 2996 wrote to memory of 544	2996	oobeldr.exe	91
PID 2996 wrote to memory of 544	2996	oobeldr.exe	91
PID 2996 wrote to memory of 544	2996	oobeldr.exe	91
PID 2996 wrote to memory of 544	2996	oobeldr.exe	91
PID 2996 wrote to memory of 544	2996	oobeldr.exe	91
PID 2996 wrote to memory of 544	2996	oobeldr.exe	91
PID 2996 wrote to memory of 544	2996	oobeldr.exe	91
PID 2996 wrote to memory of 544	2996	oobeldr.exe	91
PID 544 wrote to memory of 4572	544	oobeldr.exe	92
PID 544 wrote to memory of 4572	544	oobeldr.exe	92
PID 544 wrote to memory of 4572	544	oobeldr.exe	92
PID 3768 wrote to memory of 4736	3768	oobeldr.exe	95
PID 3768 wrote to memory of 4736	3768	oobeldr.exe	95
PID 3768 wrote to memory of 4736	3768	oobeldr.exe	95
PID 3768 wrote to memory of 4736	3768	oobeldr.exe	95
PID 3768 wrote to memory of 4736	3768	oobeldr.exe	95
PID 3768 wrote to memory of 4736	3768	oobeldr.exe	95
PID 3768 wrote to memory of 4736	3768	oobeldr.exe	95
PID 3768 wrote to memory of 4736	3768	oobeldr.exe	95
PID 3768 wrote to memory of 4736	3768	oobeldr.exe	95

C:\Users\Admin\AppData\Local\Temp\f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2.exe
"C:\Users\Admin\AppData\Local\Temp\f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Users\Admin\AppData\Local\Temp\f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2.exe
  C:\Users\Admin\AppData\Local\Temp\f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5048
- - 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:740

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:2996
- 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:544
- - 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:4572

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:3768
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4736

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

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
03d2df1e8834bc4ec1756735429b458c

SHA1
4ee6c0f5b04c8e0c5076219c5724032daab11d40

SHA256
745ab70552d9a0463b791fd8dc1942838ac3e34fb1a68f09ed3766c7e3b05631

SHA512
2482c3d4478125ccbc7f224f50e86b7bf925ed438b59f4dce57b9b6bcdb59df51417049096b131b6b911173550eed98bc92aba7050861de303a692f0681b197b

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

Filesize
325KB

MD5
642e55bffd4dea672ad494cde1ae6b36

SHA1
c80539149e6597dd064f9c6c2304be55b057f316

SHA256
f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2

SHA512
9d35b471226a179c97ae963ed03caed5fd1616abc0c62f153945f6b2a81165df5307a9bd4e3f196721cbd75bb511dcf244764300aff29fafeac2f2945de5e0d0

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

Filesize
325KB

MD5
642e55bffd4dea672ad494cde1ae6b36

SHA1
c80539149e6597dd064f9c6c2304be55b057f316

SHA256
f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2

SHA512
9d35b471226a179c97ae963ed03caed5fd1616abc0c62f153945f6b2a81165df5307a9bd4e3f196721cbd75bb511dcf244764300aff29fafeac2f2945de5e0d0

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

Filesize
325KB

MD5
642e55bffd4dea672ad494cde1ae6b36

SHA1
c80539149e6597dd064f9c6c2304be55b057f316

SHA256
f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2

SHA512
9d35b471226a179c97ae963ed03caed5fd1616abc0c62f153945f6b2a81165df5307a9bd4e3f196721cbd75bb511dcf244764300aff29fafeac2f2945de5e0d0

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

Filesize
325KB

MD5
642e55bffd4dea672ad494cde1ae6b36

SHA1
c80539149e6597dd064f9c6c2304be55b057f316

SHA256
f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2

SHA512
9d35b471226a179c97ae963ed03caed5fd1616abc0c62f153945f6b2a81165df5307a9bd4e3f196721cbd75bb511dcf244764300aff29fafeac2f2945de5e0d0

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

Filesize
325KB

MD5
642e55bffd4dea672ad494cde1ae6b36

SHA1
c80539149e6597dd064f9c6c2304be55b057f316

SHA256
f4fa197b58fceed839af287a33930b197f453b9cf73dfe5928477dd0e41767b2

SHA512
9d35b471226a179c97ae963ed03caed5fd1616abc0c62f153945f6b2a81165df5307a9bd4e3f196721cbd75bb511dcf244764300aff29fafeac2f2945de5e0d0

Download Submit
memory/1608-136-0x00000000074E0000-0x00000000074FE000-memory.dmp

Filesize
120KB

Download
memory/1608-132-0x0000000000550000-0x00000000005A6000-memory.dmp

Filesize
344KB

Download
memory/1608-135-0x00000000077C0000-0x0000000007836000-memory.dmp

Filesize
472KB

Download
memory/1608-134-0x0000000007520000-0x00000000075B2000-memory.dmp

Filesize
584KB

Download
memory/1608-133-0x0000000007A30000-0x0000000007FD4000-memory.dmp

Filesize
5.6MB

Download
memory/5048-141-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/5048-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/5048-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads