3b8974abc5bd12b5dc5c5438f83f262ba8c4c01efcee9a95932d98b8817a35cb

Analysis

max time kernel
140s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20231201-en
resource tags

arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system
submitted
09-12-2023 02:01

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General

Target

3b8974abc5bd12b5dc5c5438f83f262ba8c4c01efcee9a95932d98b8817a35cb.exe
Size

587KB
MD5

62bcb2a5e85045733c1317675ede5529
SHA1

07f5e3a4d0ae03182b7553d1bb5af738624745d7
SHA256

3b8974abc5bd12b5dc5c5438f83f262ba8c4c01efcee9a95932d98b8817a35cb
SHA512

25904446bfa10fb0c5194250d71c86a6045f5ed1f3882d224b1933644d8e09ddbaec773fb890c298edb527c778ec7f538d021691475dfae6b0b0846eaf43329f
SSDEEP

12288:GxPgUrdBpK8vNhdyzpeG6MqgsrUWaCX0uvSGF:Ov/vNhMqd/Sk

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4876	wuunph.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4968	4876	WerFault.exe	86

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 4876	1544	3b8974abc5bd12b5dc5c5438f83f262ba8c4c01efcee9a95932d98b8817a35cb.exe	86
PID 1544 wrote to memory of 4876	1544	3b8974abc5bd12b5dc5c5438f83f262ba8c4c01efcee9a95932d98b8817a35cb.exe	86
PID 1544 wrote to memory of 4876	1544	3b8974abc5bd12b5dc5c5438f83f262ba8c4c01efcee9a95932d98b8817a35cb.exe	86
PID 4876 wrote to memory of 3092	4876	wuunph.exe	88
PID 4876 wrote to memory of 3092	4876	wuunph.exe	88
PID 4876 wrote to memory of 3092	4876	wuunph.exe	88

C:\Users\Admin\AppData\Local\Temp\3b8974abc5bd12b5dc5c5438f83f262ba8c4c01efcee9a95932d98b8817a35cb.exe
"C:\Users\Admin\AppData\Local\Temp\3b8974abc5bd12b5dc5c5438f83f262ba8c4c01efcee9a95932d98b8817a35cb.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Users\Admin\AppData\Local\Temp\wuunph.exe
  "C:\Users\Admin\AppData\Local\Temp\wuunph.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4876
- - C:\Users\Admin\AppData\Local\Temp\wuunph.exe
    "C:\Users\Admin\AppData\Local\Temp\wuunph.exe"
    3⤵
    PID:3092
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 604
    3⤵
    - Program crash
    PID:4968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4876 -ip 4876
1⤵
PID:3744

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

C:\Users\Admin\AppData\Local\Temp\eopgkekszvm.d

Filesize
333KB

MD5
877bf4e9e89867a4575ab7902cfa9a49

SHA1
df44806b67a3f53082830984b943af6d2018534c

SHA256
c5c321357cb57e62b31bfadd7af993e70e6d703cda9bbdc51d1f83d94f918449

SHA512
a3929847a5a162d86135313f694778ec6b6702c884364c8cfa08759b435d31423a9b54ff3d091ba5f1eb3995f79d506f29f6b0fd6c26478a8f7339659d130d1c

Download Submit
C:\Users\Admin\AppData\Local\Temp\wuunph.exe

Filesize
165KB

MD5
3719215e4a123684f9279e9ecb819271

SHA1
b7ce71263a7d0cabc0a75dde908fdb61415be786

SHA256
47dfb050d51dda7c6fa6a043c72c77226578c24601bd6461b668fc16222b1c21

SHA512
119cc552dfe4c9269206ee7ed1de8abbf8a427d431b5f31fd0c5b1340baf2e6141c64f24aff6efcd63350f86e784fe9374e85e9deed8ef5d51b60ffd6c0b16cf

Download Submit
C:\Users\Admin\AppData\Local\Temp\wuunph.exe

Filesize
165KB

MD5
3719215e4a123684f9279e9ecb819271

SHA1
b7ce71263a7d0cabc0a75dde908fdb61415be786

SHA256
47dfb050d51dda7c6fa6a043c72c77226578c24601bd6461b668fc16222b1c21

SHA512
119cc552dfe4c9269206ee7ed1de8abbf8a427d431b5f31fd0c5b1340baf2e6141c64f24aff6efcd63350f86e784fe9374e85e9deed8ef5d51b60ffd6c0b16cf

Download Submit
memory/4876-5-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

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