d9306ea182ecc200bf917ecd64dcbf9eaeaabb225d68a66fba4e8a7ed7fca8eb

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01-06-2024 16:31

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General

Target

d9306ea182ecc200bf917ecd64dcbf9eaeaabb225d68a66fba4e8a7ed7fca8eb.exe
Size

39KB
MD5

b1f9e39a31bd18eeab95f8562088c1c3
SHA1

bf91e7b57da193e59c8a3f087486c4109fa73111
SHA256

d9306ea182ecc200bf917ecd64dcbf9eaeaabb225d68a66fba4e8a7ed7fca8eb
SHA512

a34fbb90ea54efc618c34da3faa72a85d10a7281d7aae14210c2e644918e7e00ef0a0a7f05fc038e999a2fae241d7bc0956ee83f07139ed2b403a5e6f10c4c4d
SSDEEP

768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYJL:qDdFJy3QMOtEvwDpjjWMl7T4

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2736	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1812	d9306ea182ecc200bf917ecd64dcbf9eaeaabb225d68a66fba4e8a7ed7fca8eb.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1812-1-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x000c0000000146fc-11.dat	upx
behavioral1/memory/1812-15-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2736-17-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2736-27-0x0000000000500000-0x0000000000510000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1812 wrote to memory of 2736	1812	d9306ea182ecc200bf917ecd64dcbf9eaeaabb225d68a66fba4e8a7ed7fca8eb.exe	28
PID 1812 wrote to memory of 2736	1812	d9306ea182ecc200bf917ecd64dcbf9eaeaabb225d68a66fba4e8a7ed7fca8eb.exe	28
PID 1812 wrote to memory of 2736	1812	d9306ea182ecc200bf917ecd64dcbf9eaeaabb225d68a66fba4e8a7ed7fca8eb.exe	28
PID 1812 wrote to memory of 2736	1812	d9306ea182ecc200bf917ecd64dcbf9eaeaabb225d68a66fba4e8a7ed7fca8eb.exe	28

C:\Users\Admin\AppData\Local\Temp\d9306ea182ecc200bf917ecd64dcbf9eaeaabb225d68a66fba4e8a7ed7fca8eb.exe
"C:\Users\Admin\AppData\Local\Temp\d9306ea182ecc200bf917ecd64dcbf9eaeaabb225d68a66fba4e8a7ed7fca8eb.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1812
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
40KB

MD5
cb69d76dbade75574dfd0f5ab2ae48cb

SHA1
e7241b9d5ebc292aae4bf928c1adc2bfc289bd05

SHA256
99afc9be911734fbf20d7c1cdfcd532394abec6fdb826985a7bc885d277100f4

SHA512
3d75baebd4dfd347031a046369f4308e55777ef42af23f8bcc026fbfdd85b9d78dcd57b9316250977b97e2e743873be873d40ab228b1ee0fb80107e5d65b1c2c

Download Submit
memory/1812-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1812-1-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1812-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1812-3-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1812-15-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1812-16-0x00000000021B0000-0x00000000021C0000-memory.dmp

Filesize
64KB

Download
memory/2736-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2736-19-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2736-26-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2736-27-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download