dca6e2b783dab78c14ddf9091de65952665a614ecdc8124d9ffe02cca3315dbb

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-09-2024 10:49

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General

Target

Uninstall.exe
Size

83KB
MD5

5e82b3c5192a8a56bf96750c99679ea8
SHA1

a92dbc98cfa27ebb82f00f1b9fdffbd1f96c1ac0
SHA256

78813c6eaad738de591046a6cc2e1d7d436d2e622057435f8e6e628bf1c7c202
SHA512

81eb5b2334660f64ddd2feb228d7cff658ce1d264d75c57655134ca46527d1ef8d1762497fccded9be97ec8762011cec65f4172873ad518f68ca3f055408e867
SSDEEP

1536:X1E/rzW2pakRmB7BW3nKsc9YRN6QcIGO8ig7+3rOpA2aCf:X1E/rS2paccKntc9qt8xormA2aU

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2372	Un_A.exe

Loads dropped DLL 2 IoCs

pid	Process
812	Uninstall.exe
2372	Un_A.exe

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

System Information Discovery
T1082

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

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

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral13/files/0x0006000000017487-6.dat	nsis_installer_1
behavioral13/files/0x0006000000017487-6.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 812 wrote to memory of 2372	812	Uninstall.exe	30
PID 812 wrote to memory of 2372	812	Uninstall.exe	30
PID 812 wrote to memory of 2372	812	Uninstall.exe	30
PID 812 wrote to memory of 2372	812	Uninstall.exe	30
PID 812 wrote to memory of 2372	812	Uninstall.exe	30
PID 812 wrote to memory of 2372	812	Uninstall.exe	30
PID 812 wrote to memory of 2372	812	Uninstall.exe	30

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:812
- 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\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2372

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\~nsuA.tmp\Un_A.exe

Filesize
83KB

MD5
5e82b3c5192a8a56bf96750c99679ea8

SHA1
a92dbc98cfa27ebb82f00f1b9fdffbd1f96c1ac0

SHA256
78813c6eaad738de591046a6cc2e1d7d436d2e622057435f8e6e628bf1c7c202

SHA512
81eb5b2334660f64ddd2feb228d7cff658ce1d264d75c57655134ca46527d1ef8d1762497fccded9be97ec8762011cec65f4172873ad518f68ca3f055408e867

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\Users\Admin\AppData\Local\Temp\nso97A0.tmp\System.dll

Filesize
11KB

MD5
3f176d1ee13b0d7d6bd92e1c7a0b9bae

SHA1
fe582246792774c2c9dd15639ffa0aca90d6fd0b

SHA256
fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

SHA512
0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

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