e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
01/11/2022, 04:47

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General

Target

e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9.exe
Size

323KB
MD5

f37a1143074082464c7582a6d9290588
SHA1

167119fbe8cd1518674f814e0fe608dae666ad81
SHA256

e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9
SHA512

cb29d96b5ef2b2f9b63148074ac836cbb1543560362bc06def75a05c2d9a049597224360ed0fd62ff73e7283935ae8a1a1e3f91e2a33724b675c3d281765ce18
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 5 IoCs

pid	Process
4380	oobeldr.exe
4076	oobeldr.exe
2132	oobeldr.exe
1476	oobeldr.exe
4092	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2864 set thread context of 648	2864	e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9.exe	82
PID 4380 set thread context of 4076	4380	oobeldr.exe	91
PID 2132 set thread context of 1476	2132	oobeldr.exe	97

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
3400	schtasks.exe
4696	schtasks.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2864 wrote to memory of 1368	2864	e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9.exe	81
PID 2864 wrote to memory of 1368	2864	e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9.exe	81
PID 2864 wrote to memory of 1368	2864	e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9.exe	81
PID 2864 wrote to memory of 648	2864	e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9.exe	82
PID 2864 wrote to memory of 648	2864	e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9.exe	82
PID 2864 wrote to memory of 648	2864	e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9.exe	82
PID 2864 wrote to memory of 648	2864	e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9.exe	82
PID 2864 wrote to memory of 648	2864	e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9.exe	82
PID 2864 wrote to memory of 648	2864	e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9.exe	82
PID 2864 wrote to memory of 648	2864	e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9.exe	82
PID 2864 wrote to memory of 648	2864	e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9.exe	82
PID 2864 wrote to memory of 648	2864	e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9.exe	82
PID 648 wrote to memory of 3400	648	e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9.exe	83
PID 648 wrote to memory of 3400	648	e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9.exe	83
PID 648 wrote to memory of 3400	648	e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9.exe	83
PID 4380 wrote to memory of 4076	4380	oobeldr.exe	91
PID 4380 wrote to memory of 4076	4380	oobeldr.exe	91
PID 4380 wrote to memory of 4076	4380	oobeldr.exe	91
PID 4380 wrote to memory of 4076	4380	oobeldr.exe	91
PID 4380 wrote to memory of 4076	4380	oobeldr.exe	91
PID 4380 wrote to memory of 4076	4380	oobeldr.exe	91
PID 4380 wrote to memory of 4076	4380	oobeldr.exe	91
PID 4380 wrote to memory of 4076	4380	oobeldr.exe	91
PID 4380 wrote to memory of 4076	4380	oobeldr.exe	91
PID 4076 wrote to memory of 4696	4076	oobeldr.exe	94
PID 4076 wrote to memory of 4696	4076	oobeldr.exe	94
PID 4076 wrote to memory of 4696	4076	oobeldr.exe	94
PID 2132 wrote to memory of 1476	2132	oobeldr.exe	97
PID 2132 wrote to memory of 1476	2132	oobeldr.exe	97
PID 2132 wrote to memory of 1476	2132	oobeldr.exe	97
PID 2132 wrote to memory of 1476	2132	oobeldr.exe	97
PID 2132 wrote to memory of 1476	2132	oobeldr.exe	97
PID 2132 wrote to memory of 1476	2132	oobeldr.exe	97
PID 2132 wrote to memory of 1476	2132	oobeldr.exe	97
PID 2132 wrote to memory of 1476	2132	oobeldr.exe	97
PID 2132 wrote to memory of 1476	2132	oobeldr.exe	97
PID 4092 wrote to memory of 2228	4092	oobeldr.exe	99
PID 4092 wrote to memory of 2228	4092	oobeldr.exe	99
PID 4092 wrote to memory of 2228	4092	oobeldr.exe	99

C:\Users\Admin\AppData\Local\Temp\e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9.exe
"C:\Users\Admin\AppData\Local\Temp\e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2864
- C:\Users\Admin\AppData\Local\Temp\e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9.exe
  C:\Users\Admin\AppData\Local\Temp\e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9.exe
  2⤵
  PID:1368
- C:\Users\Admin\AppData\Local\Temp\e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9.exe
  C:\Users\Admin\AppData\Local\Temp\e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:648
- - 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:3400

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:4380
- 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:4076
- - 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:4696

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:2132
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:1476

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 WriteProcessMemory
PID:4092
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  PID:2228

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
323KB

MD5
f37a1143074082464c7582a6d9290588

SHA1
167119fbe8cd1518674f814e0fe608dae666ad81

SHA256
e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9

SHA512
cb29d96b5ef2b2f9b63148074ac836cbb1543560362bc06def75a05c2d9a049597224360ed0fd62ff73e7283935ae8a1a1e3f91e2a33724b675c3d281765ce18

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

Filesize
323KB

MD5
f37a1143074082464c7582a6d9290588

SHA1
167119fbe8cd1518674f814e0fe608dae666ad81

SHA256
e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9

SHA512
cb29d96b5ef2b2f9b63148074ac836cbb1543560362bc06def75a05c2d9a049597224360ed0fd62ff73e7283935ae8a1a1e3f91e2a33724b675c3d281765ce18

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

Filesize
323KB

MD5
f37a1143074082464c7582a6d9290588

SHA1
167119fbe8cd1518674f814e0fe608dae666ad81

SHA256
e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9

SHA512
cb29d96b5ef2b2f9b63148074ac836cbb1543560362bc06def75a05c2d9a049597224360ed0fd62ff73e7283935ae8a1a1e3f91e2a33724b675c3d281765ce18

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

Filesize
323KB

MD5
f37a1143074082464c7582a6d9290588

SHA1
167119fbe8cd1518674f814e0fe608dae666ad81

SHA256
e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9

SHA512
cb29d96b5ef2b2f9b63148074ac836cbb1543560362bc06def75a05c2d9a049597224360ed0fd62ff73e7283935ae8a1a1e3f91e2a33724b675c3d281765ce18

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

Filesize
323KB

MD5
f37a1143074082464c7582a6d9290588

SHA1
167119fbe8cd1518674f814e0fe608dae666ad81

SHA256
e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9

SHA512
cb29d96b5ef2b2f9b63148074ac836cbb1543560362bc06def75a05c2d9a049597224360ed0fd62ff73e7283935ae8a1a1e3f91e2a33724b675c3d281765ce18

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

Filesize
323KB

MD5
f37a1143074082464c7582a6d9290588

SHA1
167119fbe8cd1518674f814e0fe608dae666ad81

SHA256
e1f79d89e9d716d247496b9094189368f9088410c7d56458b1cf8ab2e461b3e9

SHA512
cb29d96b5ef2b2f9b63148074ac836cbb1543560362bc06def75a05c2d9a049597224360ed0fd62ff73e7283935ae8a1a1e3f91e2a33724b675c3d281765ce18

Download Submit
memory/648-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/648-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/648-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2864-136-0x0000000005680000-0x000000000569E000-memory.dmp

Filesize
120KB

Download
memory/2864-135-0x0000000007D10000-0x0000000007D86000-memory.dmp

Filesize
472KB

Download
memory/2864-134-0x0000000007A70000-0x0000000007B02000-memory.dmp

Filesize
584KB

Download
memory/2864-132-0x0000000000A70000-0x0000000000AC6000-memory.dmp

Filesize
344KB

Download
memory/2864-133-0x0000000007F80000-0x0000000008524000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads