netwire | a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3

General

Target

a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe
Size

482KB
MD5

535ddefbc9a7f3bb8decc1705b76d42f
SHA1

73b4d446faa4862fef3623c4f404b26941e9ac6c
SHA256

a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3
SHA512

f0ff010ad37bf3b21a7d038abfe4d2ade41420737f669fbaae0ba9d81e6150a8053383301bca62d5028298eb4167168e0fc5f1d425b8fbeb8a077cd0c65baeea
SSDEEP

6144:uPpJYbryZGXSR/NxwLv1PWNemY2BzOpGZzN28qRdVlZ3VmE:uPpibryAXSR/Nav1WNemYWRaV

Score

10^/10

netwire purecrypter botnet downloader loader stealer

Malware Config

Extracted

Family

netwire

C2

194.147.140.14:4550

Attributes

activex_autorun
false
copy_executable
false
delete_original
false
host_id
THANA
install_path
%AppData%\Install\Host.exe
keylogger_dir
TestLink.lnk
lock_executable
false
offline_keylogger
false
password
DrvbK8mdyY4F6Uh
registry_autorun
false
use_mutex
false

Signatures

Detect PureCrypter injector 1 IoCs

loader

resource	yara_rule
behavioral2/memory/4468-5-0x0000000006340000-0x000000000638E000-memory.dmp	family_purecrypter

Netwire
Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.
botnet stealer netwire
PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
loader downloader purecrypter

Detects executables packed with SmartAssembly 1 IoCs

resource	yara_rule
behavioral2/memory/4468-5-0x0000000006340000-0x000000000638E000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation	a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\TestLink.lnk	Host.exe

Executes dropped EXE 2 IoCs

pid	Process
2156	Host.exe
2688	Host.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4468 set thread context of 4640	4468	a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe	99
PID 2156 set thread context of 2688	2156	Host.exe	101

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4468	a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe
4468	a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe
4468	a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe
4468	a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe
4468	a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe
4468	a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe
2156	Host.exe
2156	Host.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4468	a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe
Token: SeDebugPrivilege	2156	Host.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4468 wrote to memory of 4100	4468	a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe	98
PID 4468 wrote to memory of 4100	4468	a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe	98
PID 4468 wrote to memory of 4100	4468	a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe	98
PID 4468 wrote to memory of 4640	4468	a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe	99
PID 4468 wrote to memory of 4640	4468	a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe	99
PID 4468 wrote to memory of 4640	4468	a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe	99
PID 4468 wrote to memory of 4640	4468	a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe	99
PID 4468 wrote to memory of 4640	4468	a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe	99
PID 4468 wrote to memory of 4640	4468	a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe	99
PID 4468 wrote to memory of 4640	4468	a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe	99
PID 4468 wrote to memory of 4640	4468	a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe	99
PID 4640 wrote to memory of 2156	4640	a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe	100
PID 4640 wrote to memory of 2156	4640	a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe	100
PID 4640 wrote to memory of 2156	4640	a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe	100
PID 2156 wrote to memory of 2688	2156	Host.exe	101
PID 2156 wrote to memory of 2688	2156	Host.exe	101
PID 2156 wrote to memory of 2688	2156	Host.exe	101
PID 2156 wrote to memory of 2688	2156	Host.exe	101
PID 2156 wrote to memory of 2688	2156	Host.exe	101
PID 2156 wrote to memory of 2688	2156	Host.exe	101
PID 2156 wrote to memory of 2688	2156	Host.exe	101
PID 2156 wrote to memory of 2688	2156	Host.exe	101

C:\Users\Admin\AppData\Local\Temp\a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe
"C:\Users\Admin\AppData\Local\Temp\a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4468
- C:\Users\Admin\AppData\Local\Temp\a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe
  C:\Users\Admin\AppData\Local\Temp\a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe
  2⤵
  PID:4100
- C:\Users\Admin\AppData\Local\Temp\a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe
  C:\Users\Admin\AppData\Local\Temp\a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3.exe
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:4640
- - C:\Users\Admin\AppData\Roaming\Install\Host.exe
    "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2156
  - - C:\Users\Admin\AppData\Roaming\Install\Host.exe
      C:\Users\Admin\AppData\Roaming\Install\Host.exe
      4⤵
      Drops startup file
      Executes dropped EXE
      PID:2688

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4124 --field-trial-handle=2256,i,18272763564106695635,11201593968620719822,262144 --variations-seed-version /prefetch:8
1⤵
PID:3960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Install\Host.exe

Filesize
482KB

MD5
535ddefbc9a7f3bb8decc1705b76d42f

SHA1
73b4d446faa4862fef3623c4f404b26941e9ac6c

SHA256
a6d6cfb6bb98d96dc1fdc43def2fbb847d416bce908c4d68790d50fac9a986e3

SHA512
f0ff010ad37bf3b21a7d038abfe4d2ade41420737f669fbaae0ba9d81e6150a8053383301bca62d5028298eb4167168e0fc5f1d425b8fbeb8a077cd0c65baeea

Download Submit
memory/2156-40-0x0000000073D70000-0x0000000074520000-memory.dmp

Filesize
7.7MB

Download
memory/2156-33-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

Filesize
64KB

Download
memory/2156-32-0x0000000073D70000-0x0000000074520000-memory.dmp

Filesize
7.7MB

Download
memory/2156-31-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

Filesize
64KB

Download
memory/2156-30-0x0000000073D70000-0x0000000074520000-memory.dmp

Filesize
7.7MB

Download
memory/2688-39-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2688-38-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4468-6-0x0000000006450000-0x0000000006502000-memory.dmp

Filesize
712KB

Download
memory/4468-3-0x0000000074960000-0x0000000075110000-memory.dmp

Filesize
7.7MB

Download
memory/4468-10-0x0000000006660000-0x0000000006696000-memory.dmp

Filesize
216KB

Download
memory/4468-11-0x0000000006750000-0x000000000679C000-memory.dmp

Filesize
304KB

Download
memory/4468-9-0x0000000006D00000-0x00000000072A4000-memory.dmp

Filesize
5.6MB

Download
memory/4468-1-0x0000000000CA0000-0x0000000000D1E000-memory.dmp

Filesize
504KB

Download
memory/4468-16-0x0000000074960000-0x0000000075110000-memory.dmp

Filesize
7.7MB

Download
memory/4468-2-0x0000000005750000-0x0000000005760000-memory.dmp

Filesize
64KB

Download
memory/4468-8-0x00000000066B0000-0x0000000006742000-memory.dmp

Filesize
584KB

Download
memory/4468-7-0x00000000063E0000-0x0000000006430000-memory.dmp

Filesize
320KB

Download
memory/4468-0-0x0000000074960000-0x0000000075110000-memory.dmp

Filesize
7.7MB

Download
memory/4468-5-0x0000000006340000-0x000000000638E000-memory.dmp

Filesize
312KB

Download
memory/4468-4-0x0000000005750000-0x0000000005760000-memory.dmp

Filesize
64KB

Download
memory/4640-12-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4640-18-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4640-15-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

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