f7fcb69f155844491e2c6394195ce916f4b0914b8446b7f1fe76907db32295ea

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-09-2024 12:12

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General

Target

$R0/Uninstall fideo.exe
Size

159KB
MD5

c2a5f61e6c1518c3caf211f627426d0a
SHA1

8d2f70697e57287e18a5044d396b517534352881
SHA256

821a464d41d75b74341e82f9c94ec022cde9ebd9848cb3ff3916dfb25129895f
SHA512

a0f33f596b6c7f7ad912321d3721df9cdd282d4fd6db66eac89d767b257b1a6801f57afe5fa1f1619c33431799f47098567b822a6d1a07e7032d4aa8f40bcb4e
SSDEEP

3072:Mn77v00hEoDEtauAHhNP0ryke7HpbZ6u1na2MNUaq2tvhOEA1RJCir86SrSrvrRh:M740IQHD99DpbZ6u1n2Uaq2t0EyL+2iI

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Un_A.exe

pid process

1928 Un_A.exe
Loads dropped DLL 5 IoCs

Processes:

Uninstall fideo.exeUn_A.exe

pid process

2540 Uninstall fideo.exe
1928 Un_A.exe
1928 Un_A.exe
1928 Un_A.exe
1928 Un_A.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1928	Un_A.exe

pid	process
2540	Uninstall fideo.exe
1928	Un_A.exe
1928	Un_A.exe
1928	Un_A.exe
1928	Un_A.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

Uninstall fideo.exeUn_A.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Uninstall fideo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Un_A.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Un_A.exe

pid process

1928 Un_A.exe

pid	process
1928	Un_A.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

Uninstall fideo.exe

description	pid	process	target process
PID 2540 wrote to memory of 1928	2540	Uninstall fideo.exe	Un_A.exe
PID 2540 wrote to memory of 1928	2540	Uninstall fideo.exe	Un_A.exe
PID 2540 wrote to memory of 1928	2540	Uninstall fideo.exe	Un_A.exe
PID 2540 wrote to memory of 1928	2540	Uninstall fideo.exe	Un_A.exe

C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall fideo.exe
"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall fideo.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\$R0\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsj8A66.tmp\StdUtils.dll

Filesize
100KB

MD5
c6a6e03f77c313b267498515488c5740

SHA1
3d49fc2784b9450962ed6b82b46e9c3c957d7c15

SHA256
b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

SHA512
9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

Download Submit
\Users\Admin\AppData\Local\Temp\nsj8A66.tmp\System.dll

Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

Download Submit
\Users\Admin\AppData\Local\Temp\nsj8A66.tmp\UAC.dll

Filesize
14KB

MD5
adb29e6b186daa765dc750128649b63d

SHA1
160cbdc4cb0ac2c142d361df138c537aa7e708c9

SHA256
2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

SHA512
b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

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\Users\Admin\AppData\Local\Temp\nsj8A66.tmp\nsDialogs.dll

Filesize
9KB

MD5
466179e1c8ee8a1ff5e4427dbb6c4a01

SHA1
eb607467009074278e4bd50c7eab400e95ae48f7

SHA256
1e40211af65923c2f4fd02ce021458a7745d28e2f383835e3015e96575632172

SHA512
7508a29c722d45297bfb090c8eb49bd1560ef7d4b35413f16a8aed62d3b1030a93d001a09de98c2b9fea9acf062dc99a7278786f4ece222e7436b261d14ca817

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\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe

Filesize
159KB

MD5
c2a5f61e6c1518c3caf211f627426d0a

SHA1
8d2f70697e57287e18a5044d396b517534352881

SHA256
821a464d41d75b74341e82f9c94ec022cde9ebd9848cb3ff3916dfb25129895f

SHA512
a0f33f596b6c7f7ad912321d3721df9cdd282d4fd6db66eac89d767b257b1a6801f57afe5fa1f1619c33431799f47098567b822a6d1a07e7032d4aa8f40bcb4e

Download Submit