5bee459ac9aeae05fe69520cb80b7765dbd96b5c74acbfbe2ebbfb69917f5e97

General

Target

432dd53a1e276fec10e3b9ae1b7fb8a2.exe
Size

123KB
MD5

432dd53a1e276fec10e3b9ae1b7fb8a2
SHA1

8a199539365a19a18a32034b5a2fa330b51e16e2
SHA256

5bee459ac9aeae05fe69520cb80b7765dbd96b5c74acbfbe2ebbfb69917f5e97
SHA512

04225a9745e06fbb61a90c5af76fd4619728dcead5db9a3795113a242517ff57fc7db9ab725562236cb5aa108b79f1b21a6e37c1d112c61e4d864f9a5a01c33f
SSDEEP

3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLvoic9IcYg9:OVYrJrOSsRwcpuiwIcYo

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\SystemCertificates\TrustedPublisher\Certificates\62119EF862C6B3A0D853419B87EB3E2F6C78640A\Blob = 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	regedit.exe

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000600000002325e-27.dat	acprotect
behavioral2/files/0x000600000002325e-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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
216	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
3508	regsvr32.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1816-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/216-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1816-5-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000600000001e5df-4.dat	upx
behavioral2/memory/3508-28-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/files/0x000600000002325e-27.dat	upx
behavioral2/files/0x000600000002325e-26.dat	upx
behavioral2/files/0x000600000001e5df-3.dat	upx
behavioral2/files/0x0009000000023250-40.dat	upx
behavioral2/memory/216-58-0x0000000000400000-0x000000000042E000-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\20100715100741\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk	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\20100715100741\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100715100741\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100715100741\instant access.exe	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100715100741\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100715100741\medias\p2e.ico	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20100715100741\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100715100741\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100715100741\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100715100741\medias\p2e_2_3.gif	iaccess32.exe
File created	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	432dd53a1e276fec10e3b9ae1b7fb8a2.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-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\IESettingSync	iaccess32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	iaccess32.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iaccess32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\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
2436	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1816	432dd53a1e276fec10e3b9ae1b7fb8a2.exe
216	iaccess32.exe
216	iaccess32.exe
216	iaccess32.exe
216	iaccess32.exe
216	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1816 wrote to memory of 216	1816	432dd53a1e276fec10e3b9ae1b7fb8a2.exe	22
PID 1816 wrote to memory of 216	1816	432dd53a1e276fec10e3b9ae1b7fb8a2.exe	22
PID 1816 wrote to memory of 216	1816	432dd53a1e276fec10e3b9ae1b7fb8a2.exe	22
PID 216 wrote to memory of 2436	216	iaccess32.exe	21
PID 216 wrote to memory of 2436	216	iaccess32.exe	21
PID 216 wrote to memory of 2436	216	iaccess32.exe	21
PID 216 wrote to memory of 3508	216	iaccess32.exe	19
PID 216 wrote to memory of 3508	216	iaccess32.exe	19
PID 216 wrote to memory of 3508	216	iaccess32.exe	19

C:\Users\Admin\AppData\Local\Temp\432dd53a1e276fec10e3b9ae1b7fb8a2.exe
"C:\Users\Admin\AppData\Local\Temp\432dd53a1e276fec10e3b9ae1b7fb8a2.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1816
- 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:216

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
1⤵
- Loads dropped DLL
- Modifies registry class
PID:3508

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:3480

C:\Windows\SysWOW64\regedit.exe
"C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
1⤵
- Manipulates Digital Signatures
- Runs regedit.exe
PID:2436

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

Filesize
2KB

MD5
e320df63939815f4bb2c4d158d6cdabd

SHA1
37efeaf15ea54e55ef25bf6e8ae56d5fd1987657

SHA256
36c321449c3d8ea8fac6ef447f9f7ae9e8c9d5be1829c7de5fd49471972c78a5

SHA512
53c9410da09c039cca7dabc481ef6a97d8ef9ce6e8e28b92a369ae3f76a60b6186a7f8586fe2bf22094e3bc186f98de6bf2dc1f053a488ca7a60eea11fafa0aa

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20100715100741\dialerexe.ini

Filesize
587B

MD5
4c3eba75dcc43f8dcda89f7cbf349090

SHA1
aad7acfbc189ea5d5d0b0b4b8451025c2ecdb82e

SHA256
bb176d6eef1f80372f604a69d18225094402ca9a473dd7ba436fdb69faf6d129

SHA512
b255e9ae9292c4aef2f296966624247f685dbf9b930c54d39a5a4f18394c0c77d597e06d7ef5b188dcf3f3fba144f3de395c57aefcbcf23c6fe8226049adf528

Download Submit
C:\Program Files (x86)\Instant Access\Multi\20100715100741\instant access.exe

Filesize
96KB

MD5
fd1e0a560d8ab0e253b78ee8a331e98a

SHA1
a69cbface22618893456ae26dff4c241068c4614

SHA256
77d4ec47c7f1734e09aa58e7dc2cd255a9355de282da2f077d6c861ca0062412

SHA512
471c2ffe007f8d184456da690361ea977f851c114725591aacbe57f516d779078e9a386333401b462bedadf9648974cda71a388319934222fab8eb02029ccaaf

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

Filesize
68KB

MD5
733b49564a8072a9e1a4dcbb3103135a

SHA1
daca8f70f9c62deb17ab97ff5350ebeed0e4ea7b

SHA256
6f7051ed84a2f2f354dc3164d2b233c869d0513de5a9bc1ca43c5dfa9c323e70

SHA512
a8aea41b977e4118110767dddd3fdce7143b915e983141dda988ad9ab13b8f426af39aed80b67d77fc5dfbe742ef7ae2a396b8089a0e8c2a44baf4acb14275f5

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
a852b841819db2e3e1b841366c68ac1c

SHA1
3c7f280ca5024791ade689064a2b4e1fae2d8451

SHA256
6b7a0eff37caedf7d1f2556ef7b2ecb06346bae9d996fe795d0d535dc1102081

SHA512
7b269b1647d2a4baf18fb8b74e3936a945d890a669300c474422ed95717251bbb3c0851ea6bce953ec88f67692f772794785510afe835a19fcaffba6bb55bc5e

Download Submit
C:\Windows\iaccess32.exe

Filesize
64KB

MD5
ef2b87d47a989207606bc0bdb2a2e582

SHA1
b28f53842820b8417916e0043dcd382f77336c93

SHA256
97644e95455411f6593f19f42caa686cad684fa674fb1a5740265226f71ad9d6

SHA512
12d707539ef4a65044bdff71b84e0cdbff050377043863700f90d0693afda7f3a419e53b4ad77a1df78ba3969a3eac9ce336ec1693a7e9a34fab9f8d6161dedb

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/216-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/216-58-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1816-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1816-5-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3508-28-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

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