4a8e7ec99ad70b3ba01338c67810050521ebd95b7bf47f7448434f6dc7179dea

Analysis

max time kernel
123s
max time network
42s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
01/11/2023, 14:23

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General

Target

NEAS.eb6b338caaa926b3959e795f49732870.exe
Size

127KB
MD5

eb6b338caaa926b3959e795f49732870
SHA1

5d2a8ac732e4d7cf6f2310bbf8c3b23a201b3567
SHA256

4a8e7ec99ad70b3ba01338c67810050521ebd95b7bf47f7448434f6dc7179dea
SHA512

2d050686246d30e23d49ae5f1ec2630d4a969423e744707622916f966b4ac7e94b58c5cd305c1ef8355816350c006cfc37409d0a84161d8967a6fd5958d38ce6
SSDEEP

3072:sKe767HClrfM4/ibKX6zBSTk08bAmavFdnNqx13RxV5pX:sKeG7HC5/K4k0JdNNq/lX

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Executes dropped EXE 1 IoCs

pid	Process
2968	pwhehon.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\pwhehon.exe	NEAS.eb6b338caaa926b3959e795f49732870.exe
File created	C:\PROGRA~3\Mozilla\mudzpnf.dll	pwhehon.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 2968	1760	taskeng.exe	30
PID 1760 wrote to memory of 2968	1760	taskeng.exe	30
PID 1760 wrote to memory of 2968	1760	taskeng.exe	30
PID 1760 wrote to memory of 2968	1760	taskeng.exe	30

C:\Users\Admin\AppData\Local\Temp\NEAS.eb6b338caaa926b3959e795f49732870.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.eb6b338caaa926b3959e795f49732870.exe"
1⤵
- Drops file in Program Files directory
PID:2264

C:\Windows\system32\taskeng.exe
taskeng.exe {A969CAB0-DDC9-4163-B7B3-35698CC90F99} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1760
- C:\PROGRA~3\Mozilla\pwhehon.exe
  C:\PROGRA~3\Mozilla\pwhehon.exe -arzwbsb
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:2968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\PROGRA~3\Mozilla\pwhehon.exe

Filesize
127KB

MD5
15e416f22482a8cb1b2f262d8c4bbf7e

SHA1
09aefb53d5bb4e74b5badab29152d984a53c1805

SHA256
02e6104e7234da8182a0edec62c13d71ad7dba7783c46b73b190e2d59f689645

SHA512
da6a5aa588ef040c3436f4f6b7645c8f1c9f84470275fd4b4c86fc25791058432269f3d2b5eaf587fbeb1f4f8f6869d1eba94dc5fcc0e6ddf813cd26bc9e5be8

Download Submit
C:\PROGRA~3\Mozilla\pwhehon.exe

Filesize
127KB

MD5
15e416f22482a8cb1b2f262d8c4bbf7e

SHA1
09aefb53d5bb4e74b5badab29152d984a53c1805

SHA256
02e6104e7234da8182a0edec62c13d71ad7dba7783c46b73b190e2d59f689645

SHA512
da6a5aa588ef040c3436f4f6b7645c8f1c9f84470275fd4b4c86fc25791058432269f3d2b5eaf587fbeb1f4f8f6869d1eba94dc5fcc0e6ddf813cd26bc9e5be8

Download Submit
memory/2264-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2264-1-0x0000000000320000-0x000000000037B000-memory.dmp

Filesize
364KB

Download
memory/2264-6-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2968-15-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2968-16-0x0000000000430000-0x000000000048B000-memory.dmp

Filesize
364KB

Download