505ae0a4f52a7917e6fda8902bbc47ff913c5c74abe3be30f87db9d075a6614a

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 00:21

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General

Target

aa868b27fdc3c9e2dce5868e4f75c6a3.exe
Size

765KB
MD5

aa868b27fdc3c9e2dce5868e4f75c6a3
SHA1

1ca98056657bb4a871f9468722df94b88c14e3e2
SHA256

505ae0a4f52a7917e6fda8902bbc47ff913c5c74abe3be30f87db9d075a6614a
SHA512

ec7faa23ba717f212d2dddc32bb033a44891d06c56df59476e1ea9bb440b0f08d201a9756b07e52b04cfdbbba4b58ed7717069c8246f55238f8efd7ff4eb135e
SSDEEP

12288:i3eo2TaTVCKnhk1W5A4N/Q8u7MHIVvMxA11lUByFen4veANO2v2LX5MnuWH1TmdJ:k52XKy1W5AcXETdQ4ve0O2vWDRv

Score

7^/10

evasion trojan

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3204	IEXPLORE.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	IEXPLORE.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\IEXPLORE.exe	aa868b27fdc3c9e2dce5868e4f75c6a3.exe
File opened for modification	C:\Windows\IEXPLORE.exe	aa868b27fdc3c9e2dce5868e4f75c6a3.exe
File created	C:\Windows\DELME.BAT	aa868b27fdc3c9e2dce5868e4f75c6a3.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	IEXPLORE.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	IEXPLORE.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	IEXPLORE.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	IEXPLORE.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	IEXPLORE.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3788	aa868b27fdc3c9e2dce5868e4f75c6a3.exe
Token: SeDebugPrivilege	3204	IEXPLORE.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3204	IEXPLORE.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3788 wrote to memory of 3908	3788	aa868b27fdc3c9e2dce5868e4f75c6a3.exe	100
PID 3788 wrote to memory of 3908	3788	aa868b27fdc3c9e2dce5868e4f75c6a3.exe	100
PID 3788 wrote to memory of 3908	3788	aa868b27fdc3c9e2dce5868e4f75c6a3.exe	100

C:\Users\Admin\AppData\Local\Temp\aa868b27fdc3c9e2dce5868e4f75c6a3.exe
"C:\Users\Admin\AppData\Local\Temp\aa868b27fdc3c9e2dce5868e4f75c6a3.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3788
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\DELME.BAT
  2⤵
  PID:3908

C:\Windows\IEXPLORE.exe
C:\Windows\IEXPLORE.exe
1⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:3204

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=4088 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
1⤵
PID:2220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\DELME.BAT

Filesize
190B

MD5
de7030975edf137ceeeca8a4bc440d86

SHA1
e55e10f9fe6e4a8210c5881d6dc7b10977ea4bcd

SHA256
94bfc4d673aff92d97b592a51d2995301641469fbf3bf22d9caa94af3e58b106

SHA512
ed0bbfbdc120db401bc9ab868da5dc73d8873192b27a3ba646ef4521aee0555cc5a1fd9238f66bef890a96e0f584cd3d7e570d2d26f5b182af585eca34c1e468

Download Submit
C:\Windows\IEXPLORE.exe

Filesize
765KB

MD5
aa868b27fdc3c9e2dce5868e4f75c6a3

SHA1
1ca98056657bb4a871f9468722df94b88c14e3e2

SHA256
505ae0a4f52a7917e6fda8902bbc47ff913c5c74abe3be30f87db9d075a6614a

SHA512
ec7faa23ba717f212d2dddc32bb033a44891d06c56df59476e1ea9bb440b0f08d201a9756b07e52b04cfdbbba4b58ed7717069c8246f55238f8efd7ff4eb135e

Download Submit
C:\Windows\IEXPLORE.exe

Filesize
143KB

MD5
8de4c20260c3b46bf22202fe60e5b5ce

SHA1
75ef01ee0ebfc5638fcbad42717413e1a21bd257

SHA256
514941ae6e717a5bc0a06a2265f56547edbf11d076f0a72d95e6f86e0c681319

SHA512
38dcb7bcb28fdcec14bfaa8dc26e98cafbccc5adb0e5210c32a2c9070fd2d1003f04573b349a234f90e9d7aa0a775b090433216f57972f794bc5af6875bfcb2f

Download Submit
memory/3204-4-0x0000000000010000-0x00000000000D8000-memory.dmp

Filesize
800KB

Download
memory/3204-6-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download
memory/3204-8-0x0000000000010000-0x00000000000D8000-memory.dmp

Filesize
800KB

Download
memory/3204-12-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download
memory/3788-0-0x0000000002290000-0x0000000002291000-memory.dmp

Filesize
4KB

Download
memory/3788-7-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/3788-11-0x0000000002290000-0x0000000002291000-memory.dmp

Filesize
4KB

Download