da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de

General

Target

da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe
Size

123KB
MD5

2529894501e8ccef50c535e7fefc7632
SHA1

bd944ca386f094996a244efd77b347735b4fbce8
SHA256

da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de
SHA512

11dd559761df2c1f393173ae0d27280f9aafe4eb2ea7fc44a6db96cb19faaeb7c0ceefc05aff1bef72090160c28018f29895bc50ab7206f1e922ddcad0d79ebb
SSDEEP

3072:901mCUf/3MxU7ZIVRS99Qrm3Rqb6VVjH20CQg+D:2mrcGeS8b6jjH20CQ9D

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1340-132-0x0000000000400000-0x0000000000451000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1340 set thread context of 4152	1340	da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe	82

Modifies Internet Explorer settings 1 TTPs 18 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1338143649"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31000436"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1338143649"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31000436"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{765D5C76-7367-11ED-B5DD-E2CDD1D11107} = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4152	da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe
4152	da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe
4152	da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4152	da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe
Token: SeDebugPrivilege	4152	da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe
Token: SeDebugPrivilege	4900	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
312	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
312	IEXPLORE.EXE
312	IEXPLORE.EXE
4900	IEXPLORE.EXE
4900	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1340 wrote to memory of 4152	1340	da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe	82
PID 1340 wrote to memory of 4152	1340	da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe	82
PID 1340 wrote to memory of 4152	1340	da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe	82
PID 1340 wrote to memory of 4152	1340	da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe	82
PID 1340 wrote to memory of 4152	1340	da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe	82
PID 1340 wrote to memory of 4152	1340	da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe	82
PID 1340 wrote to memory of 4152	1340	da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe	82
PID 1340 wrote to memory of 4152	1340	da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe	82
PID 1340 wrote to memory of 4152	1340	da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe	82
PID 4152 wrote to memory of 4200	4152	da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe	83
PID 4152 wrote to memory of 4200	4152	da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe	83
PID 4152 wrote to memory of 4200	4152	da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe	83
PID 4200 wrote to memory of 312	4200	iexplore.exe	84
PID 4200 wrote to memory of 312	4200	iexplore.exe	84
PID 312 wrote to memory of 4900	312	IEXPLORE.EXE	85
PID 312 wrote to memory of 4900	312	IEXPLORE.EXE	85
PID 312 wrote to memory of 4900	312	IEXPLORE.EXE	85
PID 4152 wrote to memory of 4900	4152	da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe	85
PID 4152 wrote to memory of 4900	4152	da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe	85

C:\Users\Admin\AppData\Local\Temp\da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe
"C:\Users\Admin\AppData\Local\Temp\da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1340
- C:\Users\Admin\AppData\Local\Temp\da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe
  C:\Users\Admin\AppData\Local\Temp\da90f20d1f416d64ed282c4b0a60990c5ae18359b614281243b6f7a8548e12de.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4152
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4200
  - - C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:312
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:312 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:4900

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1340-132-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4152-134-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4152-136-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4152-137-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4152-138-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4152-139-0x0000000000710000-0x000000000075E000-memory.dmp

Filesize
312KB

Download
memory/4152-140-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing