eefc53d13f077f9b18c67821839189ab5b5f0670ee9f8265558e42532d1c7f0f

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/03/2024, 12:29

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General

Target

bb434573cd75c5375c6efa6739393543.exe
Size

2.7MB
MD5

bb434573cd75c5375c6efa6739393543
SHA1

f5a89ea11c21da81c5068d6af13f1c17655cd4fe
SHA256

eefc53d13f077f9b18c67821839189ab5b5f0670ee9f8265558e42532d1c7f0f
SHA512

aea0dabeacaf4d1fe5b78c502494513653c5aff0b512b7ed4f36710dc07417754395717ad93786a7f8e38d0d17d7e4b10ff40fe1a0332bfad590525aabfdb4e1
SSDEEP

49152:DYqq5kgEr52s4Fm/kZecauvTJ6VYehsip6mOh2XdiMibA/eipq/9BA4ukf:DYk7l2s4Fm/ktd58sipz/vx69i4ukf

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2936	bb434573cd75c5375c6efa6739393543.exe

Executes dropped EXE 1 IoCs

pid	Process
2936	bb434573cd75c5375c6efa6739393543.exe

Loads dropped DLL 1 IoCs

pid	Process
2272	bb434573cd75c5375c6efa6739393543.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2272-0-0x0000000000400000-0x00000000008EF000-memory.dmp	upx
behavioral1/files/0x000b00000001224f-10.dat	upx
behavioral1/memory/2936-16-0x0000000000400000-0x00000000008EF000-memory.dmp	upx

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2272	bb434573cd75c5375c6efa6739393543.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2272	bb434573cd75c5375c6efa6739393543.exe
2936	bb434573cd75c5375c6efa6739393543.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 2936	2272	bb434573cd75c5375c6efa6739393543.exe	28
PID 2272 wrote to memory of 2936	2272	bb434573cd75c5375c6efa6739393543.exe	28
PID 2272 wrote to memory of 2936	2272	bb434573cd75c5375c6efa6739393543.exe	28
PID 2272 wrote to memory of 2936	2272	bb434573cd75c5375c6efa6739393543.exe	28

C:\Users\Admin\AppData\Local\Temp\bb434573cd75c5375c6efa6739393543.exe
"C:\Users\Admin\AppData\Local\Temp\bb434573cd75c5375c6efa6739393543.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Users\Admin\AppData\Local\Temp\bb434573cd75c5375c6efa6739393543.exe
  C:\Users\Admin\AppData\Local\Temp\bb434573cd75c5375c6efa6739393543.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2936

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\bb434573cd75c5375c6efa6739393543.exe

Filesize
2.7MB

MD5
ab47f74ff8977ef4be066f309263226d

SHA1
f795131030c9f053f5ac612a0a8e222f15752e13

SHA256
e077a5bd7b120d7352a104f8c55202715e45ba38d078f4c28bb465444903a719

SHA512
e9a7a4cccc88f044c518735a48f7262818dd96e365638a256bfa8a2551dc3ff25156c2a10bece476c0606e3ebc6ccb2250535fbb2cfd71c839bb6ea250293e8a

Download Submit
memory/2272-31-0x0000000003630000-0x0000000003B1F000-memory.dmp

Filesize
4.9MB

Download
memory/2272-1-0x0000000000400000-0x000000000062A000-memory.dmp

Filesize
2.2MB

Download
memory/2272-2-0x00000000002B0000-0x00000000003E3000-memory.dmp

Filesize
1.2MB

Download
memory/2272-13-0x0000000000400000-0x000000000062A000-memory.dmp

Filesize
2.2MB

Download
memory/2272-15-0x0000000003630000-0x0000000003B1F000-memory.dmp

Filesize
4.9MB

Download
memory/2272-0-0x0000000000400000-0x00000000008EF000-memory.dmp

Filesize
4.9MB

Download
memory/2936-17-0x0000000000400000-0x000000000062A000-memory.dmp

Filesize
2.2MB

Download
memory/2936-16-0x0000000000400000-0x00000000008EF000-memory.dmp

Filesize
4.9MB

Download
memory/2936-23-0x0000000000400000-0x000000000061D000-memory.dmp

Filesize
2.1MB

Download
memory/2936-24-0x0000000003410000-0x000000000363A000-memory.dmp

Filesize
2.2MB

Download
memory/2936-19-0x0000000001B20000-0x0000000001C53000-memory.dmp

Filesize
1.2MB

Download
memory/2936-32-0x0000000000400000-0x00000000008EF000-memory.dmp

Filesize
4.9MB

Download