f60cba7fe9f6e2151196e30a923f700b5872e297430929c00aa53e6e9abf347b

Analysis

max time kernel
142s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
02/03/2024, 14:32

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General

Target
f60cba7fe9f6e2151196e30a923f700b5872e297430929c00aa53e6e9abf347b.exe
Size 234KB
Sample240302-rws3ysec2x
SHA256 f60cba7fe9f6e2151196e30a923f700b5872e297430929c00aa53e6e9abf347b
MD5 db720f9b050eed1a59d62f7fae12a64a
SHA1 84afd774dd60d751d1dcf3a9ef9b4cbb8b166c69
SHA512 c0410af780dbb39e9b6d4cdbe74b344691fc09b98bded4757bdd705436462a160128b5eb72481e29a256c1c6ce0e5132824dd9a4abdc65db1392a6334bea6dd7
SSDEEP 6144:owiP/aK2h9DY7/B+rTBV+UdvrEFp7hKzg:oZP/aK2ETB+nBjvrEH7wg
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0007000000023290-1.dat	acprotect

Loads dropped DLL 5 IoCs

pid	Process
5024	f60cba7fe9f6e2151196e30a923f700b5872e297430929c00aa53e6e9abf347b.exe
1596	WerFault.exe
4516	WerFault.exe
4520	WerFault.exe
2884	WerFault.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0007000000023290-1.dat	upx
behavioral2/memory/5024-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/5024-17-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\e:	f60cba7fe9f6e2151196e30a923f700b5872e297430929c00aa53e6e9abf347b.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	f60cba7fe9f6e2151196e30a923f700b5872e297430929c00aa53e6e9abf347b.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4516	5024	WerFault.exe	92
2884	5024	WerFault.exe	92

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5024	f60cba7fe9f6e2151196e30a923f700b5872e297430929c00aa53e6e9abf347b.exe
5024	f60cba7fe9f6e2151196e30a923f700b5872e297430929c00aa53e6e9abf347b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5024	f60cba7fe9f6e2151196e30a923f700b5872e297430929c00aa53e6e9abf347b.exe

C:\Users\Admin\AppData\Local\Temp\f60cba7fe9f6e2151196e30a923f700b5872e297430929c00aa53e6e9abf347b.exe
"C:\Users\Admin\AppData\Local\Temp\f60cba7fe9f6e2151196e30a923f700b5872e297430929c00aa53e6e9abf347b.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5024
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 372
  2⤵
  - Loads dropped DLL
  - Program crash
  PID:4516
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 380
  2⤵
  - Loads dropped DLL
  - Program crash
  PID:2884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5024 -ip 5024
1⤵
- Loads dropped DLL
PID:1596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 5024 -ip 5024
1⤵
- Loads dropped DLL
PID:4520

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5240 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
1⤵
PID:3920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

symsrv.dll

Path C:\Program Files\Common Files\System\symsrv.dll
Size 67KB
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZL:c8y93KQjy7G55riF1cMo03V
MD5 SHA1 SHA512 SSDEEP

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memory/5024-3-0x0000000010000000-0x0000000010030000-memory.dmp

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memory/5024-4-0x0000000000D50000-0x0000000000D79000-memory.dmp

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memory/5024-17-0x0000000010000000-0x0000000010030000-memory.dmp

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