402bef3fa2c40c93e8c4bd23e4605783a172e861e2d542a9f6172858fd438868

Analysis

max time kernel
200s
max time network
213s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2023 01:46

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General

Target

4a57dc33e1dd8a6ac06309534326430a.exe
Size

990KB
MD5

4a57dc33e1dd8a6ac06309534326430a
SHA1

1172185575ac1efaed8f697d97986b5bb931adce
SHA256

402bef3fa2c40c93e8c4bd23e4605783a172e861e2d542a9f6172858fd438868
SHA512

6c9c5836cb1e42ad8bfb548688f876714364e8a4acbbae5388ee89361e84901559a9d0289bf44a852ff92212a4e6f38f2f8d68734c49efd366586cdb518ef24b
SSDEEP

24576:u95sjkZcf3Eo63487oYbJd5A8uvKzS4MvKCINHPf4xVE4:ssR3EoxYBbSDvKz0vKCINvgxVE4

Score

7^/10

spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5096	dlhelpdl.exe

Loads dropped DLL 48 IoCs

pid	Process
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
2928	4a57dc33e1dd8a6ac06309534326430a.exe
5096	dlhelpdl.exe
5096	dlhelpdl.exe
5096	dlhelpdl.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
2700	2928	WerFault.exe	86

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral2/files/0x000900000002324b-193.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 5096	2928	4a57dc33e1dd8a6ac06309534326430a.exe	92
PID 2928 wrote to memory of 5096	2928	4a57dc33e1dd8a6ac06309534326430a.exe	92
PID 2928 wrote to memory of 5096	2928	4a57dc33e1dd8a6ac06309534326430a.exe	92

C:\Users\Admin\AppData\Local\Temp\4a57dc33e1dd8a6ac06309534326430a.exe
"C:\Users\Admin\AppData\Local\Temp\4a57dc33e1dd8a6ac06309534326430a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Users\Admin\AppData\Local\Temp\nsg2D31.tmp\dlhelpdl.exe
  C:\Users\Admin\AppData\Local\Temp\nsg2D31.tmp\dlhelpdl.exe ~URL Parts Error~~~~URL Parts Error~URL Parts Error~~#~2921~2951~~URL Parts Error~~SendRequest Error~CE-05-5D-F4-44-2A~#~~SendRequest Error~~~~
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:5096
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2928 -s 1156
  2⤵
  - Program crash
  PID:2700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2928 -ip 2928
1⤵
PID:1376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsg2D31.tmp\GetVersion.dll

Filesize
6KB

MD5
5264f7d6d89d1dc04955cfb391798446

SHA1
211d8d3e7c2b2f57f54a11cb8bc4fa536df08acc

SHA256
7d76c7dd8f7cd5a87e0118dacb434db3971a049501e22a5f4b947154621ab3d4

SHA512
80d27ee2f87e2822bd5c8c55cc3d1e49beebb86d8557c92b52b7cbea9f27882d80e59eefa25e414eecee268a9a6193b6b50b748de33c778b007cde24ef8bcfb7

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsg2D31.tmp\Math.dll

Filesize
66KB

MD5
b140459077c7c39be4bef249c2f84535

SHA1
c56498241c2ddafb01961596da16d08d1b11cd35

SHA256
0598f7d83db44929b7170c1285457b52b4281185f63ced102e709bf065f10d67

SHA512
fbcb19a951d96a216d73b6b3e005338bbb6e11332c6cc8c3f179ccd420b4db0e5682dc4245bd120dcb67bc70960eab368e74c68c7c165a485a12a7d0d8a00328

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsg2D31.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsg2D31.tmp\UserInfo.dll

Filesize
4KB

MD5
7579ade7ae1747a31960a228ce02e666

SHA1
8ec8571a296737e819dcf86353a43fcf8ec63351

SHA256
564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

SHA512
a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsg2D31.tmp\dlhelpdl.exe

Filesize
127KB

MD5
ed169c84a216825a90a03d889285b122

SHA1
7a1c3f3e21adc893283260855898f93898c045b7

SHA256
9aa109ebfe83d00f979b1ca43069eb72a35bb1dcb6e81c6336983a0db6da2c9a

SHA512
d7cc68c29ed7892a781e2519f921e1627107499da368fbb86e1b3778cdc3d1c0930e7c24d0634f0d477480bbc3cd6cf5c42806e062679c3edd7c2f2f097d176e

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsg2D31.tmp\intlib.dll

Filesize
24KB

MD5
1efbbf5a54eb145a1a422046fd8dfb2c

SHA1
ec4efd0a95bb72fd4cf47423647e33e5a3fddf26

SHA256
983859570099b941c19d5eb9755eda19dd21f63e8ccad70f6e93f055c329d341

SHA512
7fdeba8c961f3507162eb59fb8b9b934812d449cc85c924f61722a099618d771fed91cfb3944e10479280b73648a9a5cbb23482d7b7f8bfb130f23e8fd6c15fb

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsg2D31.tmp\nsDialogs.dll

Filesize
9KB

MD5
c10e04dd4ad4277d5adc951bb331c777

SHA1
b1e30808198a3ae6d6d1cca62df8893dc2a7ad43

SHA256
e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a

SHA512
853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsg2D31.tmp\registry.dll

Filesize
16KB

MD5
24a7a119e289f1b5b69f3d6cf258db7c

SHA1
fec84298f9819adf155fcf4e9e57dd402636c177

SHA256
ae53f8e00574a87dd243fdf344141417cfe2af318c6c5e363a030d727a6c75d1

SHA512
fdbbedcc877bf020a5965f6ba8586ade48cfbe03ac0af8190a8acf077fb294ffd6b5a7ae49870bff8cacd9e33d591be63b5b3d5c2e432c640212bdcd0c602861

Download Submit
memory/2928-71-0x0000000004A10000-0x0000000004A2A000-memory.dmp

Filesize
104KB

Download