fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c

Analysis

max time kernel
295s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
15/03/2023, 05:22

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General

Target

fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c.exe
Size

3.4MB
MD5

c15dcae56336f681ea1dd5aad33bb62b
SHA1

dec7bdfc4c06c2f1475e9159916da6fd05c7fc36
SHA256

fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c
SHA512

4e799450778e10b009e9e81771537b24d05a52cc6799ec869e46327f07b0d68acd478156c4370947aac11e55f69483f422c3f5a00baa878588001fe10c8e2e7b
SSDEEP

49152:onrbOKMFrJmsf6/HAv4fVCnoYcNmCCyQaxfrLkWUhsZz2RNRenjqc4i3PHkVgXIf:YaEU6/HWQ4noYOCtapQX9ejqcT3/SgYf

Score

9^/10

discovery evasion trojan upx

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5.exe

Executes dropped EXE 2 IoCs

pid	Process
1768	Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5.exe
1920	Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5.exe

Loads dropped DLL 4 IoCs

pid	Process
1984	AppLaunch.exe
1984	AppLaunch.exe
664	taskeng.exe
664	taskeng.exe

Modifies file permissions 1 TTPs 3 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1008	icacls.exe
360	icacls.exe
1680	icacls.exe

UPX packed file 17 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x0009000000012305-70.dat	upx
behavioral1/files/0x0009000000012305-71.dat	upx
behavioral1/files/0x0009000000012305-74.dat	upx
behavioral1/files/0x0009000000012305-75.dat	upx
behavioral1/memory/1768-78-0x000000013FED0000-0x00000001403EF000-memory.dmp	upx
behavioral1/files/0x0009000000012305-79.dat	upx
behavioral1/memory/1768-80-0x000000013FED0000-0x00000001403EF000-memory.dmp	upx
behavioral1/memory/1768-81-0x000000013FED0000-0x00000001403EF000-memory.dmp	upx
behavioral1/memory/1768-82-0x000000013FED0000-0x00000001403EF000-memory.dmp	upx
behavioral1/files/0x0009000000012305-83.dat	upx
behavioral1/files/0x0009000000012305-85.dat	upx
behavioral1/files/0x0009000000012305-84.dat	upx
behavioral1/memory/1768-88-0x000000013FED0000-0x00000001403EF000-memory.dmp	upx
behavioral1/memory/1920-89-0x000000013FED0000-0x00000001403EF000-memory.dmp	upx
behavioral1/memory/1920-90-0x000000013FED0000-0x00000001403EF000-memory.dmp	upx
behavioral1/memory/1920-91-0x000000013FED0000-0x00000001403EF000-memory.dmp	upx
behavioral1/memory/1920-92-0x000000013FED0000-0x00000001403EF000-memory.dmp	upx

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1976 set thread context of 1984	1976	fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c.exe	28

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1372	schtasks.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 1984	1976	fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c.exe	28
PID 1976 wrote to memory of 1984	1976	fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c.exe	28
PID 1976 wrote to memory of 1984	1976	fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c.exe	28
PID 1976 wrote to memory of 1984	1976	fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c.exe	28
PID 1976 wrote to memory of 1984	1976	fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c.exe	28
PID 1976 wrote to memory of 1984	1976	fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c.exe	28
PID 1976 wrote to memory of 1984	1976	fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c.exe	28
PID 1976 wrote to memory of 1984	1976	fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c.exe	28
PID 1976 wrote to memory of 1984	1976	fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c.exe	28
PID 1984 wrote to memory of 1008	1984	AppLaunch.exe	29
PID 1984 wrote to memory of 1008	1984	AppLaunch.exe	29
PID 1984 wrote to memory of 1008	1984	AppLaunch.exe	29
PID 1984 wrote to memory of 1008	1984	AppLaunch.exe	29
PID 1984 wrote to memory of 1008	1984	AppLaunch.exe	29
PID 1984 wrote to memory of 1008	1984	AppLaunch.exe	29
PID 1984 wrote to memory of 1008	1984	AppLaunch.exe	29
PID 1984 wrote to memory of 360	1984	AppLaunch.exe	30
PID 1984 wrote to memory of 360	1984	AppLaunch.exe	30
PID 1984 wrote to memory of 360	1984	AppLaunch.exe	30
PID 1984 wrote to memory of 360	1984	AppLaunch.exe	30
PID 1984 wrote to memory of 360	1984	AppLaunch.exe	30
PID 1984 wrote to memory of 360	1984	AppLaunch.exe	30
PID 1984 wrote to memory of 360	1984	AppLaunch.exe	30
PID 1984 wrote to memory of 1680	1984	AppLaunch.exe	33
PID 1984 wrote to memory of 1680	1984	AppLaunch.exe	33
PID 1984 wrote to memory of 1680	1984	AppLaunch.exe	33
PID 1984 wrote to memory of 1680	1984	AppLaunch.exe	33
PID 1984 wrote to memory of 1680	1984	AppLaunch.exe	33
PID 1984 wrote to memory of 1680	1984	AppLaunch.exe	33
PID 1984 wrote to memory of 1680	1984	AppLaunch.exe	33
PID 1984 wrote to memory of 1372	1984	AppLaunch.exe	35
PID 1984 wrote to memory of 1372	1984	AppLaunch.exe	35
PID 1984 wrote to memory of 1372	1984	AppLaunch.exe	35
PID 1984 wrote to memory of 1372	1984	AppLaunch.exe	35
PID 1984 wrote to memory of 1372	1984	AppLaunch.exe	35
PID 1984 wrote to memory of 1372	1984	AppLaunch.exe	35
PID 1984 wrote to memory of 1372	1984	AppLaunch.exe	35
PID 1984 wrote to memory of 1768	1984	AppLaunch.exe	37
PID 1984 wrote to memory of 1768	1984	AppLaunch.exe	37
PID 1984 wrote to memory of 1768	1984	AppLaunch.exe	37
PID 1984 wrote to memory of 1768	1984	AppLaunch.exe	37
PID 664 wrote to memory of 1920	664	taskeng.exe	39
PID 664 wrote to memory of 1920	664	taskeng.exe	39
PID 664 wrote to memory of 1920	664	taskeng.exe	39

C:\Users\Admin\AppData\Local\Temp\fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c.exe
"C:\Users\Admin\AppData\Local\Temp\fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AppLaunch.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1984
- - C:\Windows\SysWOW64\icacls.exe
    "C:\Windows\System32\icacls.exe" "C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5" /inheritance:e /deny "*S-1-1-0:(R,REA,RA,RD)"
    3⤵
    - Modifies file permissions
    PID:1008
- - C:\Windows\SysWOW64\icacls.exe
    "C:\Windows\System32\icacls.exe" "C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5" /inheritance:e /deny "*S-1-5-7:(R,REA,RA,RD)"
    3⤵
    - Modifies file permissions
    PID:360
- - C:\Windows\SysWOW64\icacls.exe
    "C:\Windows\System32\icacls.exe" "C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5" /inheritance:e /deny "admin:(R,REA,RA,RD)"
    3⤵
    - Modifies file permissions
    PID:1680
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /CREATE /TN "Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5" /TR "C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5.exe" /SC MINUTE
    3⤵
    - Creates scheduled task(s)
    PID:1372
- - C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5.exe
    "C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5.exe" "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Checks whether UAC is enabled
    PID:1768

C:\Windows\system32\taskeng.exe
taskeng.exe {7A6919CB-F91A-412E-AFC3-7DF02BFA5C3D} S-1-5-21-1563773381-2037468142-1146002597-1000:YBHADZIG\Admin:Interactive:[1]
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:664
- C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5.exe
  C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5.exe
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Checks whether UAC is enabled
  PID:1920

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

File and Directory Permissions Modification

T1222

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5.exe

Filesize
401.0MB

MD5
013d67893212171480ee0d0eb56e41a2

SHA1
b9ead447f8a2089dbf850eaf929006c80275bb59

SHA256
da6a6bb94e9bd2e48c199ef8fe0eeaab1e36baf88d266d75fee79ff810abff8c

SHA512
8c232108e90b08a1e1613f74c0223f1dd5cb459816acfa233ea88f3cc153d073db73966fb4b001625ea0d3e78a0116070485bbe95ef1bccf6ecc392708692cc8

Download Submit
C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5.exe

Filesize
393.6MB

MD5
529784f9ad14b9710c379b2305547e91

SHA1
436d1244c51b25f5da5d1d0115c3aabe1f6dded6

SHA256
29cd18ad9b556b14685b197b67bc39f031ec243bba721948dce4be7a7cfba503

SHA512
e84aefb8b0f68a25749e1af3c5dc536e36da56c95d642cddbe1594cabd7b60536347c7de635bece671b201cabdd998924d8894a717ab4a6bf9a0ef2cfadde19a

Download Submit
C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5.exe

Filesize
393.4MB

MD5
a51f7fba883b2dcd73255633644a95c6

SHA1
2fc70ce99a336eec8d304f47dd536dce047da894

SHA256
2a523bf1a396d1236d82783cf20d620db70c4edd9764f753faca35921f8e7cd1

SHA512
95f9942e3d0874ce74ccd4c239e8f92bc5260673d7a8b1c698961605ca910faa8d6c331c05f03daab4fa1472713ff15be5f0f29adcfc0703b45ea09675cb0761

Download Submit
C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5.exe

Filesize
373.9MB

MD5
c5779b334346c1337b06433fe11f78fb

SHA1
40f22caa8903709c2d253acb9911a1bf3599925c

SHA256
db2e35527c6028a7190046312d5f423e405e2eddc29e9d519e780106e86b9976

SHA512
cc25ae1c89dd71afddc6c31b2317a38b69df89a6f25e7fa4e93f1c8a431ac4c1b43997884cfb551035f68122ad2c037cb3db4b5ac0f2de5b883db73e79a3d077

Download Submit
\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5.exe

Filesize
397.1MB

MD5
e99292e555c22e43cbdaab0d338f4e9e

SHA1
bded8fb3aa460216ad816d4f945d74b67a945b23

SHA256
33b3ffda85cfb00723e5491f882a203c143a438f5e30d6942fd8068895354a24

SHA512
7731054b8e39061185734512590b93ffed08b0e5b71152010aca45ee78f4d8efd3ee68fe00e747761730fa1695b1d5f44ef288b9fbccedea8daea64f201d5006

Download Submit
\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5.exe

Filesize
398.5MB

MD5
f9100b7a5b007e986c330af94c7f4357

SHA1
b42dc015c4686633f07293d174c12305484772c5

SHA256
b83913229ae7e3caddfc07019b37c049d9e9f2b99a54e14aa5f137daa5fe69b8

SHA512
d8c1c0e02b167f950fe39722929fd0d120bed6bab33b761ed6cac9864c771d5a6e873b36606fe60d1d0687a8c10310d43a698e48ce4a73d88119221c44c20bb1

Download Submit
\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5.exe

Filesize
371.9MB

MD5
bdcda7c2e3f3b8bbf7e1262008f98614

SHA1
6caea51327f57ac17b3f5fab2fe749eee141ffe0

SHA256
1e80248fef6ed8fc5da9463c08723645c8e9488c346c6999053b963eba5c99ab

SHA512
05e255be586073b95bd02ea44fcf1b3f2dbeb1a0532429d39c145baefba381e6df042096c22e7fd7bfa3e7179c4c6bb57bfc9a0326db3c40324dbaef07b55cab

Download Submit
\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38Favorites-type2.1.0.5.exe

Filesize
378.6MB

MD5
aea814292d14ff50ae6a67089d9c143a

SHA1
43f2b980c557dfc1d26516e2914fc560cf43d3cc

SHA256
7f1afffdb1410ab85aa383bdfeb51789d775a2cb79fa659af40ca3868ff3c13e

SHA512
9832527d2d07f8ad67e8876fa8c163e60f219dae42d00e9652afef35c57eeac0d00de862cf22bb08c31f419bd07f32b511b0242c9755e7b04eb572332cfdc56a

Download Submit
memory/664-94-0x000000013FED0000-0x00000001403EF000-memory.dmp

Filesize
5.1MB

Download
memory/664-87-0x000000013FED0000-0x00000001403EF000-memory.dmp

Filesize
5.1MB

Download
memory/664-86-0x000000013FED0000-0x00000001403EF000-memory.dmp

Filesize
5.1MB

Download
memory/1768-78-0x000000013FED0000-0x00000001403EF000-memory.dmp

Filesize
5.1MB

Download
memory/1768-88-0x000000013FED0000-0x00000001403EF000-memory.dmp

Filesize
5.1MB

Download
memory/1768-80-0x000000013FED0000-0x00000001403EF000-memory.dmp

Filesize
5.1MB

Download
memory/1768-81-0x000000013FED0000-0x00000001403EF000-memory.dmp

Filesize
5.1MB

Download
memory/1768-82-0x000000013FED0000-0x00000001403EF000-memory.dmp

Filesize
5.1MB

Download
memory/1920-89-0x000000013FED0000-0x00000001403EF000-memory.dmp

Filesize
5.1MB

Download
memory/1920-90-0x000000013FED0000-0x00000001403EF000-memory.dmp

Filesize
5.1MB

Download
memory/1920-91-0x000000013FED0000-0x00000001403EF000-memory.dmp

Filesize
5.1MB

Download
memory/1920-92-0x000000013FED0000-0x00000001403EF000-memory.dmp

Filesize
5.1MB

Download
memory/1984-66-0x0000000005240000-0x0000000005280000-memory.dmp

Filesize
256KB

Download
memory/1984-77-0x0000000008700000-0x0000000008C1F000-memory.dmp

Filesize
5.1MB

Download
memory/1984-76-0x0000000008700000-0x0000000008C1F000-memory.dmp

Filesize
5.1MB

Download
memory/1984-67-0x0000000005240000-0x0000000005280000-memory.dmp

Filesize
256KB

Download
memory/1984-55-0x0000000000400000-0x000000000075C000-memory.dmp

Filesize
3.4MB

Download
memory/1984-65-0x0000000005240000-0x0000000005280000-memory.dmp

Filesize
256KB

Download
memory/1984-64-0x0000000005240000-0x0000000005280000-memory.dmp

Filesize
256KB

Download
memory/1984-63-0x0000000000400000-0x000000000075C000-memory.dmp

Filesize
3.4MB

Download
memory/1984-62-0x0000000000400000-0x000000000075C000-memory.dmp

Filesize
3.4MB

Download
memory/1984-60-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1984-56-0x0000000000400000-0x000000000075C000-memory.dmp

Filesize
3.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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