a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb

Analysis

max time kernel
169s
max time network
183s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
04-12-2022 05:11

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General

Target

a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb.exe
Size

134KB
MD5

419f0672a2aa6aa89cc12debb99eada9
SHA1

ac02d13c29a472fcb40e817ce612d9ccdb5588c0
SHA256

a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb
SHA512

a2b5b9b21deaf0f85740ac2d9b9fc4dcc098e3ede96e5d14cb8f5648d43c21303df45268ff8f45d1f75b8ef7d4c4c2aff9f302b196b4e24f6e6cba9dc97454b6
SSDEEP

3072:puMBRiycCxf3IJDFeyTxjBYQ0UmI5t+zQBJUf:4MfiUxf3IJJeyTxBYQ0Wt+YUf

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4084	Usexea.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2640-132-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral2/files/0x0009000000022e06-136.dat	upx
behavioral2/files/0x0009000000022e06-137.dat	upx

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Usexea.exe	a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Usexea.exe
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Usexea.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb.exe
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb.exe
File created	C:\Windows\Usexea.exe	a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main	Usexea.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\International	Usexea.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe
4084	Usexea.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 4084	2640	a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb.exe	86
PID 2640 wrote to memory of 4084	2640	a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb.exe	86
PID 2640 wrote to memory of 4084	2640	a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb.exe	86

C:\Users\Admin\AppData\Local\Temp\a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb.exe
"C:\Users\Admin\AppData\Local\Temp\a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Windows\Usexea.exe
  C:\Windows\Usexea.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  PID:4084

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job

Filesize
426B

MD5
a37c0c84096b3e7ccb60c0ce7b6d9499

SHA1
2c4c57e0dbe545cd9afa58c3483af36e6cdf2372

SHA256
74f4834bf7caf3625ec532ede13f8a51111ca8c20fd09fdb921c398f7a59ad59

SHA512
95e712e1e99f9111bbc8834624d8142de3dcf72cd92076b7ff3e8400b1266ef394aa464d23c41c8153d1b250c7e3c5bca5d7e0a6dc0c81b7872c0d326fa1b23d

Download Submit
C:\Windows\Usexea.exe

Filesize
134KB

MD5
419f0672a2aa6aa89cc12debb99eada9

SHA1
ac02d13c29a472fcb40e817ce612d9ccdb5588c0

SHA256
a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb

SHA512
a2b5b9b21deaf0f85740ac2d9b9fc4dcc098e3ede96e5d14cb8f5648d43c21303df45268ff8f45d1f75b8ef7d4c4c2aff9f302b196b4e24f6e6cba9dc97454b6

Download Submit
C:\Windows\Usexea.exe

Filesize
134KB

MD5
419f0672a2aa6aa89cc12debb99eada9

SHA1
ac02d13c29a472fcb40e817ce612d9ccdb5588c0

SHA256
a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb

SHA512
a2b5b9b21deaf0f85740ac2d9b9fc4dcc098e3ede96e5d14cb8f5648d43c21303df45268ff8f45d1f75b8ef7d4c4c2aff9f302b196b4e24f6e6cba9dc97454b6

Download Submit
memory/2640-132-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2640-133-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2640-134-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2640-141-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/4084-135-0x0000000000000000-mapping.dmp

Download
memory/4084-138-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/4084-140-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download