6ce285bb248a18f414aa6916a6a5d6d7201a633a476f3e0f61e34347b46d09fd

General

Target

429e1e32525022ab3743f8fe492cf74d.exe
Size

123KB
MD5

429e1e32525022ab3743f8fe492cf74d
SHA1

a09a77f9a2fd9afd4cbe4176011a5f3fc1369597
SHA256

6ce285bb248a18f414aa6916a6a5d6d7201a633a476f3e0f61e34347b46d09fd
SHA512

e05664c8513031abd50fec90d7cb8fd988786ad9b271c46abb9210171bffb2e2fbe1bb4d6dcaa0a61a6c107c42dee700fa74296738674dc7a137e07f5d2b38ea
SSDEEP

3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLWH:OVYrJrOSsRwcp6

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-1-5-21-996941297-2279405024-2328152752-1000\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/0x0006000000023233-26.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-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
1208	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
2856	regsvr32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4740-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4740-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000700000002321a-5.dat	upx
behavioral2/memory/1208-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0006000000023233-26.dat	upx
behavioral2/memory/2856-28-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/memory/1208-56-0x0000000000400000-0x000000000042E000-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\20100714140716\medias\p2e_2_3.gif	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20100714140716\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\20100714140716\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100714140716\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100714140716\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100714140716\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\20100714140716\instant access.exe	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100714140716\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100714140716\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100714140716\medias\p2e_3_3.gif	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
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
File created	C:\Windows\iaccess32.exe	429e1e32525022ab3743f8fe492cf74d.exe
File created	C:\Windows\tmlpcert2007	iaccess32.exe

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

System Information Discovery
T1082

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}\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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{413E282B-C32A-4717-A0F3-4F2E6FE25F83}	regsvr32.exe

Runs regedit.exe 1 IoCs

pid	Process
3512	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4740	429e1e32525022ab3743f8fe492cf74d.exe
1208	iaccess32.exe
1208	iaccess32.exe
1208	iaccess32.exe
1208	iaccess32.exe
1208	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 1208	4740	429e1e32525022ab3743f8fe492cf74d.exe	91
PID 4740 wrote to memory of 1208	4740	429e1e32525022ab3743f8fe492cf74d.exe	91
PID 4740 wrote to memory of 1208	4740	429e1e32525022ab3743f8fe492cf74d.exe	91
PID 1208 wrote to memory of 3512	1208	iaccess32.exe	92
PID 1208 wrote to memory of 3512	1208	iaccess32.exe	92
PID 1208 wrote to memory of 3512	1208	iaccess32.exe	92
PID 1208 wrote to memory of 2856	1208	iaccess32.exe	93
PID 1208 wrote to memory of 2856	1208	iaccess32.exe	93
PID 1208 wrote to memory of 2856	1208	iaccess32.exe	93

C:\Users\Admin\AppData\Local\Temp\429e1e32525022ab3743f8fe492cf74d.exe
"C:\Users\Admin\AppData\Local\Temp\429e1e32525022ab3743f8fe492cf74d.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4740
- 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 data under HKEY_USERS
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1208
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - Runs regedit.exe
    PID:3512
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:2856

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:3764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk

Filesize
2KB

MD5
7b1298b2374dfc8a6f3c2b3942f4ec3d

SHA1
7efa41897f7f2d90da6caa1b99267e9dcf89d80b

SHA256
73f1b02e8eb4d7b32bc38117346e95d6c47c45ad757a6bb4d0b3b927cd37a0ee

SHA512
b06afa005b8ce2d04483d716badd0175fe6d831ac79a6263482728d941e4122c43b187a00a3848ce053f3fc74b989e1b6d33d2c2164a911da4b9828821885a5f

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20100714140716\dialerexe.ini

Filesize
587B

MD5
2b35cafb06fe7321f73ac1dd875e9aea

SHA1
b05e3bd3ed28b2db2e7ec7fca015bc7a4ca6f2e6

SHA256
3cdef190bd83dfb0f0727ad9c7b839311cc884e1cde403b3beaf7fbc1b2938c3

SHA512
629e40c063765785f6974ddd7d32daa5ff4724de0770cb65a3726dff31c86319c57557d84a69d5069f7021c8dc8bd23c5d14cc74111cb67b2db016bd8d3ab677

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

Filesize
76KB

MD5
b83f652ffa76451ae438954f89c02f62

SHA1
b3ba0014dd16cee5f6d4cfe7e28b2d5de79dc6dd

SHA256
f601991aa00cbe7001197affc0e3854ab76c51c05b9a6ca3e3f708fed876c32f

SHA512
965172a5ecd070ea6707ec9985ee3c135c06534561b90ae233e8049b247d87d529b8280f0faf2b0ed933f59c68844414726fa80c4d3119cffa4fdd1cb60eab83

Download Submit
C:\Windows\iaccess32.exe

Filesize
123KB

MD5
e30ef9320e4e823b6c2159992921fc3d

SHA1
a2dc55aaa6476fff66edc106e2374dc9832b8295

SHA256
df117932b8e10ec7236e44e8ff313915e082a4ddf906d18c096a6eb4d187c4fc

SHA512
f06ba6ca91766ec3b819eaadeca59c466ad2b26a7a9051a1b51c2e5320d71d017639dc99b323ff65e4ede780535aa4dd7532826b99b8c169f83ca05c8581f2ce

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/1208-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1208-56-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2856-28-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4740-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4740-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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