f8f069a41e4d653622bc3b8554bfd82d68a9d52c54510f574a669db91ab1c6ba

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
11/01/2024, 21:16

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General

Target

54992b2e59d01aba400012d8169764b0.exe
Size

441KB
MD5

54992b2e59d01aba400012d8169764b0
SHA1

7548b66850441c4a6b6fc05c6d0ee00f21fb8fc0
SHA256

f8f069a41e4d653622bc3b8554bfd82d68a9d52c54510f574a669db91ab1c6ba
SHA512

9798babcfcb78f27df4a30048bd75e9cb0196bf9e27cf0cd72f03d961dcf89cae63f22e3165ed525e8ea6c61c2ac1731dfe7be7b5273cecb2616eacdbbdb982a
SSDEEP

12288:tI2HuFybubDbQpJDGQUN1g38rNrmZH2JsRgFKHyp:XSn+DOjiN9Hyp

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2920	DualStub.exe

Loads dropped DLL 25 IoCs

pid	Process
2364	54992b2e59d01aba400012d8169764b0.exe
2364	54992b2e59d01aba400012d8169764b0.exe
2364	54992b2e59d01aba400012d8169764b0.exe
2364	54992b2e59d01aba400012d8169764b0.exe
2364	54992b2e59d01aba400012d8169764b0.exe
2364	54992b2e59d01aba400012d8169764b0.exe
2364	54992b2e59d01aba400012d8169764b0.exe
2364	54992b2e59d01aba400012d8169764b0.exe
2364	54992b2e59d01aba400012d8169764b0.exe
2364	54992b2e59d01aba400012d8169764b0.exe
2364	54992b2e59d01aba400012d8169764b0.exe
2364	54992b2e59d01aba400012d8169764b0.exe
2364	54992b2e59d01aba400012d8169764b0.exe
2364	54992b2e59d01aba400012d8169764b0.exe
2364	54992b2e59d01aba400012d8169764b0.exe
2364	54992b2e59d01aba400012d8169764b0.exe
2364	54992b2e59d01aba400012d8169764b0.exe
2364	54992b2e59d01aba400012d8169764b0.exe
2920	DualStub.exe
2920	DualStub.exe
2920	DualStub.exe
2920	DualStub.exe
2920	DualStub.exe
2920	DualStub.exe
2920	DualStub.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

Checks for any installed AV software in registry 1 TTPs 1 IoCs

Security Software Discovery

T1518.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\ESET\NOD	54992b2e59d01aba400012d8169764b0.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral1/files/0x0008000000019481-105.dat	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2364	54992b2e59d01aba400012d8169764b0.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2920	2364	54992b2e59d01aba400012d8169764b0.exe	28
PID 2364 wrote to memory of 2920	2364	54992b2e59d01aba400012d8169764b0.exe	28
PID 2364 wrote to memory of 2920	2364	54992b2e59d01aba400012d8169764b0.exe	28
PID 2364 wrote to memory of 2920	2364	54992b2e59d01aba400012d8169764b0.exe	28
PID 2364 wrote to memory of 2920	2364	54992b2e59d01aba400012d8169764b0.exe	28
PID 2364 wrote to memory of 2920	2364	54992b2e59d01aba400012d8169764b0.exe	28
PID 2364 wrote to memory of 2920	2364	54992b2e59d01aba400012d8169764b0.exe	28

C:\Users\Admin\AppData\Local\Temp\54992b2e59d01aba400012d8169764b0.exe
"C:\Users\Admin\AppData\Local\Temp\54992b2e59d01aba400012d8169764b0.exe"
1⤵
- Loads dropped DLL
- Checks for any installed AV software in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Users\Admin\AppData\Local\Temp\nst44DE.tmp\DualStub.exe
  C:\Users\Admin\AppData\Local\Temp\nst44DE.tmp\DualStub.exe ~URL Parts Error~~~~URL Parts Error~URL Parts Error~~#~116~195~~URL Parts Error~~SendRequest Error~DE-CE-4B-73-D7-84~#
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2920

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

Query Registry

T1012

Software Discovery

T1518

Security Software Discovery

T1518.001

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\nst44DE.tmp\DualStub.exe

Filesize
56KB

MD5
9b6c7fbe8b0396a655047e47961d7c19

SHA1
4133bef2abaa4a6547d0e5ffb7015484a27d2774

SHA256
4a3513307d3c0f3a6c7c5481999e5baa93cd9bad475a45d358f8f67763bf4a38

SHA512
49b7ef18eaee509d399f1b84e0283908af4543e606d0b802b5fb3ef1ce9505e9f7d515aa54eb8e38ce1656f16148ef1b86dd293bbfd30e916c95b009be99e2a2

Download Submit
\Users\Admin\AppData\Local\Temp\nst44DE.tmp\BrandingURL.dll

Filesize
4KB

MD5
71c46b663baa92ad941388d082af97e7

SHA1
5a9fcce065366a526d75cc5ded9aade7cadd6421

SHA256
bb2b9c272b8b66bc1b414675c2acba7afad03fff66a63babee3ee57ed163d19e

SHA512
5965bd3f5369b9a1ed641c479f7b8a14af27700d0c27d482aa8eb62acc42f7b702b5947d82f9791b29bcba4d46e1409244f0a8ddce4ec75022b5e27f6d671bce

Download Submit
\Users\Admin\AppData\Local\Temp\nst44DE.tmp\FindProcDLL.dll

Filesize
3KB

MD5
8614c450637267afacad1645e23ba24a

SHA1
e7b7b09b5bbc13e910aa36316d9cc5fc5d4dcdc2

SHA256
0fa04f06a6de18d316832086891e9c23ae606d7784d5d5676385839b21ca2758

SHA512
af46cd679097584ff9a1d894a729b6397f4b3af17dff3e6f07bef257bc7e48ffa341d82daf298616cd5df1450fc5ab7435cacb70f27302b6db193f01a9f8391b

Download Submit
\Users\Admin\AppData\Local\Temp\nst44DE.tmp\GetVersion.dll

Filesize
6KB

MD5
5264f7d6d89d1dc04955cfb391798446

SHA1
211d8d3e7c2b2f57f54a11cb8bc4fa536df08acc

SHA256
7d76c7dd8f7cd5a87e0118dacb434db3971a049501e22a5f4b947154621ab3d4

SHA512
80d27ee2f87e2822bd5c8c55cc3d1e49beebb86d8557c92b52b7cbea9f27882d80e59eefa25e414eecee268a9a6193b6b50b748de33c778b007cde24ef8bcfb7

Download Submit
\Users\Admin\AppData\Local\Temp\nst44DE.tmp\Math.dll

Filesize
66KB

MD5
b140459077c7c39be4bef249c2f84535

SHA1
c56498241c2ddafb01961596da16d08d1b11cd35

SHA256
0598f7d83db44929b7170c1285457b52b4281185f63ced102e709bf065f10d67

SHA512
fbcb19a951d96a216d73b6b3e005338bbb6e11332c6cc8c3f179ccd420b4db0e5682dc4245bd120dcb67bc70960eab368e74c68c7c165a485a12a7d0d8a00328

Download Submit
\Users\Admin\AppData\Local\Temp\nst44DE.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
\Users\Admin\AppData\Local\Temp\nst44DE.tmp\UserInfo.dll

Filesize
4KB

MD5
7579ade7ae1747a31960a228ce02e666

SHA1
8ec8571a296737e819dcf86353a43fcf8ec63351

SHA256
564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

SHA512
a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

Download Submit
\Users\Admin\AppData\Local\Temp\nst44DE.tmp\intlib.dll

Filesize
24KB

MD5
1efbbf5a54eb145a1a422046fd8dfb2c

SHA1
ec4efd0a95bb72fd4cf47423647e33e5a3fddf26

SHA256
983859570099b941c19d5eb9755eda19dd21f63e8ccad70f6e93f055c329d341

SHA512
7fdeba8c961f3507162eb59fb8b9b934812d449cc85c924f61722a099618d771fed91cfb3944e10479280b73648a9a5cbb23482d7b7f8bfb130f23e8fd6c15fb

Download Submit
\Users\Admin\AppData\Local\Temp\nst44DE.tmp\nsDialogs.dll

Filesize
9KB

MD5
c10e04dd4ad4277d5adc951bb331c777

SHA1
b1e30808198a3ae6d6d1cca62df8893dc2a7ad43

SHA256
e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a

SHA512
853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e

Download Submit
\Users\Admin\AppData\Local\Temp\nst44DE.tmp\registry.dll

Filesize
16KB

MD5
24a7a119e289f1b5b69f3d6cf258db7c

SHA1
fec84298f9819adf155fcf4e9e57dd402636c177

SHA256
ae53f8e00574a87dd243fdf344141417cfe2af318c6c5e363a030d727a6c75d1

SHA512
fdbbedcc877bf020a5965f6ba8586ade48cfbe03ac0af8190a8acf077fb294ffd6b5a7ae49870bff8cacd9e33d591be63b5b3d5c2e432c640212bdcd0c602861

Download Submit
memory/2364-48-0x0000000000790000-0x00000000007AA000-memory.dmp

Filesize
104KB

Download
memory/2364-70-0x0000000000770000-0x0000000000773000-memory.dmp

Filesize
12KB

Download