8f6fd90359eee516228f1527b317fe86b9b9f37e0fcfdb6092fad4a6333bc4cb

General

Target

df65b9b8d9edfa61ca70e67b44ae9a0a.exe
Size

123KB
MD5

df65b9b8d9edfa61ca70e67b44ae9a0a
SHA1

6c546efaefd5d7127bd3f3c4f9668cf7613705f8
SHA256

8f6fd90359eee516228f1527b317fe86b9b9f37e0fcfdb6092fad4a6333bc4cb
SHA512

4160a87960a06b90584bacd7fd4c2adb2c24e79084654aada81d15798b476071796f6dd9409fec87be5f6fd68e7422c7b414ff82c011ebb4adb195606306e812
SSDEEP

3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLOoo:OVYrJrOSsRwcp2

Score

8^/10

upx

Malware Config

Signatures

Manipulates Digital Signatures 1 TTPs 1 IoCs

Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\SystemCertificates\TrustedPublisher\Certificates\62119EF862C6B3A0D853419B87EB3E2F6C78640A\Blob = 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	regedit.exe

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0007000000023356-26.dat	acprotect

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
4484	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
5036	regsvr32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2896-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000800000002333e-3.dat	upx
behavioral2/memory/4484-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2896-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0007000000023356-26.dat	upx
behavioral2/memory/5036-28-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/memory/4484-58-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\egaccess4_1071.dll	iaccess32.exe

Drops file in Program Files directory 13 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Instant Access\Multi\20100628040651\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100628040651\medias\p2e_3_3.gif	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20100628040651\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100628040651\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100628040651\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100628040651\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100628040651\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100628040651\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100628040651\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100628040651\instant access.exe	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\iaccess32.exe	df65b9b8d9edfa61ca70e67b44ae9a0a.exe
File created	C:\Windows\tmlpcert2007	iaccess32.exe
File created	C:\Windows\dialexe.zl	iaccess32.exe
File created	C:\Windows\dialexe.epk	iaccess32.exe
File created	C:\Windows\dialerexe.ini	iaccess32.exe
File created	C:\Windows\egdhtm_pack.epk	iaccess32.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Internet Explorer\IESettingSync	iaccess32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	iaccess32.exe
Key created	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iaccess32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iaccess32.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\À	iaccess32.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{413E282B-C32A-4717-A0F3-4F2E6FE25F83}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{413E282B-C32A-4717-A0F3-4F2E6FE25F83}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{413E282B-C32A-4717-A0F3-4F2E6FE25F83}\InprocServer32\ = "C:\\Windows\\SysWow64\\egaccess4_1071.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{413E282B-C32A-4717-A0F3-4F2E6FE25F83}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Runs regedit.exe 1 IoCs

pid	Process
3960	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2896	df65b9b8d9edfa61ca70e67b44ae9a0a.exe
4484	iaccess32.exe
4484	iaccess32.exe
4484	iaccess32.exe
4484	iaccess32.exe
4484	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 4484	2896	df65b9b8d9edfa61ca70e67b44ae9a0a.exe	94
PID 2896 wrote to memory of 4484	2896	df65b9b8d9edfa61ca70e67b44ae9a0a.exe	94
PID 2896 wrote to memory of 4484	2896	df65b9b8d9edfa61ca70e67b44ae9a0a.exe	94
PID 4484 wrote to memory of 3960	4484	iaccess32.exe	98
PID 4484 wrote to memory of 3960	4484	iaccess32.exe	98
PID 4484 wrote to memory of 3960	4484	iaccess32.exe	98
PID 4484 wrote to memory of 5036	4484	iaccess32.exe	99
PID 4484 wrote to memory of 5036	4484	iaccess32.exe	99
PID 4484 wrote to memory of 5036	4484	iaccess32.exe	99

C:\Users\Admin\AppData\Local\Temp\df65b9b8d9edfa61ca70e67b44ae9a0a.exe
"C:\Users\Admin\AppData\Local\Temp\df65b9b8d9edfa61ca70e67b44ae9a0a.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Windows\iaccess32.exe
  C:\Windows\iaccess32.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in System32 directory
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Modifies data under HKEY_USERS
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4484
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - Runs regedit.exe
    PID:3960
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:5036

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:3276

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=4228 --field-trial-handle=2260,i,9938964625802268469,1928462186077019554,262144 --variations-seed-version /prefetch:8
1⤵
PID:4212

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

SIP and Trust Provider Hijacking

1

T1553.003

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\NOCREDITCARD.lnk

Filesize
2KB

MD5
1f2bb9864e74cd22caf3dcb503cf84fc

SHA1
c54aac126c92d80cd5626fd7ce82169787d2a327

SHA256
9bb92588406126ac0972f5eb5f0a97857e196efb1eaee8acf228b673afce80f0

SHA512
3ddabdcdfb6afc87de13106d174dcfa5d987420255f1f4fda6a60b4f01ab1a1a57e603f3e04fe89c9efb52d7086eb09d426bf46715bd2d71e09cb8e615c24e1f

Download Submit
C:\Users\Public\Desktop\NOCREDITCARD.lnk

Filesize
2KB

MD5
a9d041b485ec431527e6cf8bba257d61

SHA1
29c279cddb15c1e2407c3a4a2f435a802bae5563

SHA256
ccb4e8308ee694e661f2533b79445111578556bad33ba4e982640268b3111fce

SHA512
36050f9b3dab9ab7427f0938340ea891bf4907a9f422cdd9aed3363f4340daeced04532514265d02b49ed8e75b057dd12053ccfca06a38934a7e9919131edb48

Download Submit
C:\Windows\SysWOW64\egaccess4_1071.dll

Filesize
76KB

MD5
b83f652ffa76451ae438954f89c02f62

SHA1
b3ba0014dd16cee5f6d4cfe7e28b2d5de79dc6dd

SHA256
f601991aa00cbe7001197affc0e3854ab76c51c05b9a6ca3e3f708fed876c32f

SHA512
965172a5ecd070ea6707ec9985ee3c135c06534561b90ae233e8049b247d87d529b8280f0faf2b0ed933f59c68844414726fa80c4d3119cffa4fdd1cb60eab83

Download Submit
C:\Windows\dialerexe.ini

Filesize
587B

MD5
87755ab24d47cf667839055c91ae65dc

SHA1
784fc088d59df8801a709fd6fc5eff3cd135b2a9

SHA256
261a449f7f40975bf6ce37d4bec7f5a38268287103a7e4845cd2b6b58e7d1520

SHA512
d609d78c6fdf26510439a43af91d3852aea45b7ff04e15fae92d2704690f81411c30bdd79285f18eb3ff3c425aa05bb6c75820dd52277a351aa74d4191ca3b20

Download Submit
C:\Windows\iaccess32.exe

Filesize
123KB

MD5
270e910f960cbcc3b4fd26fbfe8832b2

SHA1
0c2dc6c3900b99a608d2c994ed1473f58221ba62

SHA256
517d1f9c53991a965c8d3b5dc569a2eb0b854c1738a35d851334ca38af53b11e

SHA512
e529ffc733b19db9a935da09f05554e7ebb6dafcd3f0194416d4703498f56d0d1a42001723cc1d01a141f38133a7c4f26eb81a8e8c237ccf865a701156490a13

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/2896-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2896-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4484-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4484-58-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5036-28-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

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