45da96badafdc961c24dd4033bb2d0bc1f22c281471efc73abf39d9856e13e16

General

Target

434c77ad1a0913c1c7d1af31a2fc0761.exe
Size

123KB
MD5

434c77ad1a0913c1c7d1af31a2fc0761
SHA1

ba829c3e7ef2a615e6a268579d9d3709b7f1e5cd
SHA256

45da96badafdc961c24dd4033bb2d0bc1f22c281471efc73abf39d9856e13e16
SHA512

b30e8610868d14d979838ba3e8ea89158d821b94370bd096de3c1e4bce4eda87075423b8a4b28bd80175b2f3facb9ee17afc3d7d235d03644b7df813aa690c65
SSDEEP

3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLyF:OVYrJrOSsRwcpG

Score

8^/10

upx

Malware Config

Signatures

Manipulates Digital Signatures 1 TTPs 2 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 (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\Trust Database\0\goicfboogidikkejccmclpieicihhlpo jimddp = "electronic-group"	iaccess32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\SystemCertificates\TrustedPublisher\Certificates\62119EF862C6B3A0D853419B87EB3E2F6C78640A\Blob = 03000000010000001400000062119ef862c6b3a0d853419b87eb3e2f6c78640a2000000001000000df030000308203db30820344a00302010202033fc398300d06092a864886f70d01010405003055310b3009060355040613025a4131253023060355040a131c54686177746520436f6e73756c74696e67202850747929204c74642e311f301d0603550403131654686177746520436f6465205369676e696e67204341301e170d3035303831353031353134345a170d3037303931363133323531325a30818b310b3009060355040613024652310e300c0603550408130552686f6e65310d300b060355040713044c796f6e31193017060355040a1310656c656374726f6e69632d67726f757031273025060355040b131e536563757265204170706c69636174696f6e20446576656c6f706d656e743119301706035504031310656c656374726f6e69632d67726f757030820122300d06092a864886f70d01010105000382010f003082010a0282010100e2754d8a4e6d4db6e025b0073520ddd7eeec116a813940fda2c4c66f7a354adb3036188d4078f8891b3fe15d467dfba5e17984cac2b246c27c052e63956dfe817eb423b9615bddfddaadac5e2ac0f41f583edd24d7830f5875df2937a9152b741eef3950e5116e76d2e7e3ffdf6fcb5858af26f5e2effd019a1f82b98d7f21ed089d5bb8553cd89c823becaeb62ea1cc4b455cb4e93e8ac715320f31dc3fbc2d0be0d65c608c58c19ff06da7bc1ec48a45ef0219eef40294504e2663b1c9dad6a2241df996c59cf110b706285fbaeae0c55d776573536218c3c7ae248b82cae01513cd8b2828a94f4a70ba6e199919a0f5eae20643feaabebe2ba3b2819e92790203010001a381fd3081fa301f0603551d250418301606082b06010505070303060a2b060104018237020116301106096086480186f8420101040403020410301d0603551d0404163014300e300c060a2b0601040182370201160302078030230603551d11041c301a82187777772e656c656374726f6e69632d67726f75702e636f6d303e0603551d1f043730353033a031a02f862d687474703a2f2f63726c2e7468617774652e636f6d2f546861777465436f64655369676e696e6743412e63726c303206082b0601050507010104263024302206082b060105050730018616687474703a2f2f6f6373702e7468617774652e636f6d300c0603551d130101ff04023000300d06092a864886f70d01010405000381810075160a692f4bc2096bce67c58b0d88320552104e4d35f5018bc2ab1be03ecae3c0abe7db45629b1b3c1812039145c15d6f2774c211a2c86f93a819573d58a3c0e66d1e19e84638800e3372880b4e9cdcf70cc769bdeff236ed3ac6f20e370122fa791e71b0ea8be78077ffc288c382b201d78ea8bbf9e9457fad4ee80273279c	regedit.exe

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000500000001946e-30.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
1112	iaccess32.exe

Loads dropped DLL 3 IoCs

pid	Process
2668	regsvr32.exe
1112	iaccess32.exe
1112	iaccess32.exe

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2528-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2528-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1112-9-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x000a000000012243-7.dat	upx
behavioral1/memory/2528-3-0x00000000003C0000-0x00000000003EE000-memory.dmp	upx
behavioral1/files/0x000500000001946e-30.dat	upx
behavioral1/memory/2668-32-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral1/memory/1112-77-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1112-78-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1112-79-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1112-81-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1112-82-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1112-83-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1112-85-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1112-86-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1112-87-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1112-88-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1112-89-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1112-90-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1112-91-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1112-92-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/1112-93-0x0000000000400000-0x000000000042E000-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\20100713160704\medias\p2e_2_3.gif	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20100713160704\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Center\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\20100713160704\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100713160704\instant access.exe	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100713160704\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100713160704\medias\p2e_go_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100713160704\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100713160704\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100713160704\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20100713160704\medias\p2e_3_3.gif	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\iaccess32.exe	434c77ad1a0913c1c7d1af31a2fc0761.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 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main	iaccess32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iaccess32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iaccess32.exe

Modifies registry class 4 IoCs

description	ioc	Process
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
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

Runs regedit.exe 1 IoCs

pid	Process
2092	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2528	434c77ad1a0913c1c7d1af31a2fc0761.exe
1112	iaccess32.exe
1112	iaccess32.exe
1112	iaccess32.exe
1112	iaccess32.exe
1112	iaccess32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 1112	2528	434c77ad1a0913c1c7d1af31a2fc0761.exe	28
PID 2528 wrote to memory of 1112	2528	434c77ad1a0913c1c7d1af31a2fc0761.exe	28
PID 2528 wrote to memory of 1112	2528	434c77ad1a0913c1c7d1af31a2fc0761.exe	28
PID 2528 wrote to memory of 1112	2528	434c77ad1a0913c1c7d1af31a2fc0761.exe	28
PID 1112 wrote to memory of 2092	1112	iaccess32.exe	29
PID 1112 wrote to memory of 2092	1112	iaccess32.exe	29
PID 1112 wrote to memory of 2092	1112	iaccess32.exe	29
PID 1112 wrote to memory of 2092	1112	iaccess32.exe	29
PID 1112 wrote to memory of 2668	1112	iaccess32.exe	30
PID 1112 wrote to memory of 2668	1112	iaccess32.exe	30
PID 1112 wrote to memory of 2668	1112	iaccess32.exe	30
PID 1112 wrote to memory of 2668	1112	iaccess32.exe	30
PID 1112 wrote to memory of 2668	1112	iaccess32.exe	30
PID 1112 wrote to memory of 2668	1112	iaccess32.exe	30
PID 1112 wrote to memory of 2668	1112	iaccess32.exe	30

C:\Users\Admin\AppData\Local\Temp\434c77ad1a0913c1c7d1af31a2fc0761.exe
"C:\Users\Admin\AppData\Local\Temp\434c77ad1a0913c1c7d1af31a2fc0761.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Windows\iaccess32.exe
  C:\Windows\iaccess32.exe
  2⤵
  - Manipulates Digital Signatures
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1112
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - Runs regedit.exe
    PID:2092
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:2668

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Instant Access\Multi\20100713160704\dialerexe.ini

Filesize
587B

MD5
94db44582dd96943809961b06bf1f387

SHA1
47a52cd9e2e29489fbb4dd1af4fd6e3aa829e286

SHA256
9a84d1eb127923738dad2391c2e2c8ddef2b7c0976483f74c875c939fe4fd25f

SHA512
cffcdc2f362d370b0efeb5a2f57a09f699bb3da5932eee70898127a78ac984da7a2073a156bd2d3851f8dcf2ee80944825bea607b6da74c54cdb60f2280649b0

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

Filesize
2KB

MD5
86fb13c787d27dbda1abdd9a5852989e

SHA1
ec43e80b17fdaf3478e0f6acedd13597b5184517

SHA256
1dc4be371b92170b2d50f5d473993b4b3a937aa9bac59cbc0fa8301dfbef6f98

SHA512
876fa787e1267b86261d610c9d252e1740bb9c77edb5ead0483599d914cc7a4924c877e8e907de48c5ce28930ad370b1f035158af7d9e4f9500ac5ed66710276

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
953832243f69ae5eb6981bcc003c3a26

SHA1
bebb59dbe1424de41a9fedba46e7d387630e2e74

SHA256
ed082954dee391611eb5aa08a8ac14ba130a00a887211c7114be25657f61edee

SHA512
a22b919745ed535f0d0b947b75c98dc865bfd89a138f400178b75884a647a15d77d0b0d90fd6ac11426dc023a08b21c53cf6ac5d2d1c48ba3c35c5f182276cbf

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/1112-78-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1112-82-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1112-93-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1112-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1112-45-0x0000000001F00000-0x0000000001F10000-memory.dmp

Filesize
64KB

Download
memory/1112-92-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1112-77-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1112-91-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1112-79-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1112-80-0x0000000001F00000-0x0000000001F10000-memory.dmp

Filesize
64KB

Download
memory/1112-81-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1112-90-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1112-83-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1112-85-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1112-86-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1112-87-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1112-88-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1112-89-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2528-3-0x00000000003C0000-0x00000000003EE000-memory.dmp

Filesize
184KB

Download
memory/2528-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2528-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2668-32-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download

Analysis

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