8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5

Analysis

max time kernel
142s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01-11-2022 20:05

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General

Target

8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5.exe
Size

325KB
MD5

d9972bedf23ff5069cb62899570ec56a
SHA1

87950703d6177c2a88567ddbff95e3bd1fcc8671
SHA256

8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5
SHA512

86cc317d4261909cfd41285c78226a7cf123b9a1ee242dcd7a81e766689f87f84cedc754c9982b242af02a1acdda2f1ee59d40163e65122300efc27e443a871b
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
2408	oobeldr.exe
1928	oobeldr.exe
2172	oobeldr.exe
1924	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 644 set thread context of 2100	644	8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5.exe	81
PID 2408 set thread context of 1928	2408	oobeldr.exe	92
PID 2172 set thread context of 1924	2172	oobeldr.exe	96

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
1020	schtasks.exe
3768	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 644 wrote to memory of 2100	644	8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5.exe	81
PID 644 wrote to memory of 2100	644	8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5.exe	81
PID 644 wrote to memory of 2100	644	8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5.exe	81
PID 644 wrote to memory of 2100	644	8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5.exe	81
PID 644 wrote to memory of 2100	644	8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5.exe	81
PID 644 wrote to memory of 2100	644	8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5.exe	81
PID 644 wrote to memory of 2100	644	8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5.exe	81
PID 644 wrote to memory of 2100	644	8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5.exe	81
PID 644 wrote to memory of 2100	644	8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5.exe	81
PID 2100 wrote to memory of 1020	2100	8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5.exe	82
PID 2100 wrote to memory of 1020	2100	8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5.exe	82
PID 2100 wrote to memory of 1020	2100	8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5.exe	82
PID 2408 wrote to memory of 1928	2408	oobeldr.exe	92
PID 2408 wrote to memory of 1928	2408	oobeldr.exe	92
PID 2408 wrote to memory of 1928	2408	oobeldr.exe	92
PID 2408 wrote to memory of 1928	2408	oobeldr.exe	92
PID 2408 wrote to memory of 1928	2408	oobeldr.exe	92
PID 2408 wrote to memory of 1928	2408	oobeldr.exe	92
PID 2408 wrote to memory of 1928	2408	oobeldr.exe	92
PID 2408 wrote to memory of 1928	2408	oobeldr.exe	92
PID 2408 wrote to memory of 1928	2408	oobeldr.exe	92
PID 1928 wrote to memory of 3768	1928	oobeldr.exe	93
PID 1928 wrote to memory of 3768	1928	oobeldr.exe	93
PID 1928 wrote to memory of 3768	1928	oobeldr.exe	93
PID 2172 wrote to memory of 1924	2172	oobeldr.exe	96
PID 2172 wrote to memory of 1924	2172	oobeldr.exe	96
PID 2172 wrote to memory of 1924	2172	oobeldr.exe	96
PID 2172 wrote to memory of 1924	2172	oobeldr.exe	96
PID 2172 wrote to memory of 1924	2172	oobeldr.exe	96
PID 2172 wrote to memory of 1924	2172	oobeldr.exe	96
PID 2172 wrote to memory of 1924	2172	oobeldr.exe	96
PID 2172 wrote to memory of 1924	2172	oobeldr.exe	96
PID 2172 wrote to memory of 1924	2172	oobeldr.exe	96

C:\Users\Admin\AppData\Local\Temp\8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5.exe
"C:\Users\Admin\AppData\Local\Temp\8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:644
- C:\Users\Admin\AppData\Local\Temp\8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5.exe
  C:\Users\Admin\AppData\Local\Temp\8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2100
- - 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:1020

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:2408
- 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:1928
- - 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:3768

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:2172
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:1924

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

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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
d9972bedf23ff5069cb62899570ec56a

SHA1
87950703d6177c2a88567ddbff95e3bd1fcc8671

SHA256
8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5

SHA512
86cc317d4261909cfd41285c78226a7cf123b9a1ee242dcd7a81e766689f87f84cedc754c9982b242af02a1acdda2f1ee59d40163e65122300efc27e443a871b

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

Filesize
325KB

MD5
d9972bedf23ff5069cb62899570ec56a

SHA1
87950703d6177c2a88567ddbff95e3bd1fcc8671

SHA256
8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5

SHA512
86cc317d4261909cfd41285c78226a7cf123b9a1ee242dcd7a81e766689f87f84cedc754c9982b242af02a1acdda2f1ee59d40163e65122300efc27e443a871b

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

Filesize
325KB

MD5
d9972bedf23ff5069cb62899570ec56a

SHA1
87950703d6177c2a88567ddbff95e3bd1fcc8671

SHA256
8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5

SHA512
86cc317d4261909cfd41285c78226a7cf123b9a1ee242dcd7a81e766689f87f84cedc754c9982b242af02a1acdda2f1ee59d40163e65122300efc27e443a871b

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

Filesize
325KB

MD5
d9972bedf23ff5069cb62899570ec56a

SHA1
87950703d6177c2a88567ddbff95e3bd1fcc8671

SHA256
8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5

SHA512
86cc317d4261909cfd41285c78226a7cf123b9a1ee242dcd7a81e766689f87f84cedc754c9982b242af02a1acdda2f1ee59d40163e65122300efc27e443a871b

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

Filesize
325KB

MD5
d9972bedf23ff5069cb62899570ec56a

SHA1
87950703d6177c2a88567ddbff95e3bd1fcc8671

SHA256
8f2cb029e266abffc5a239bfecbcf1e8963c778681786f4cd9d23be77162d1a5

SHA512
86cc317d4261909cfd41285c78226a7cf123b9a1ee242dcd7a81e766689f87f84cedc754c9982b242af02a1acdda2f1ee59d40163e65122300efc27e443a871b

Download Submit
memory/644-133-0x0000000008350000-0x00000000088F4000-memory.dmp

Filesize
5.6MB

Download
memory/644-134-0x0000000007E40000-0x0000000007ED2000-memory.dmp

Filesize
584KB

Download
memory/644-135-0x00000000080E0000-0x0000000008156000-memory.dmp

Filesize
472KB

Download
memory/644-136-0x0000000007DF0000-0x0000000007E0E000-memory.dmp

Filesize
120KB

Download
memory/644-132-0x0000000000FA0000-0x0000000000FF6000-memory.dmp

Filesize
344KB

Download
memory/1020-141-0x0000000000000000-mapping.dmp

Download
memory/1924-153-0x0000000000000000-mapping.dmp

Download
memory/1928-145-0x0000000000000000-mapping.dmp

Download
memory/2100-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2100-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2100-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2100-137-0x0000000000000000-mapping.dmp

Download
memory/3768-150-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads