6c1ad5aaf74abb724980992dd5bb7f35a4a6911e74bfb46a15291dc6937e78de

General

Target

72d1253567013982da303392fa5fdf69.exe
Size

183KB
MD5

72d1253567013982da303392fa5fdf69
SHA1

7da9835e7e94a7eb0d3e8bedcc5fba3b6ed07d33
SHA256

6c1ad5aaf74abb724980992dd5bb7f35a4a6911e74bfb46a15291dc6937e78de
SHA512

63af41de3fbc07c29e284ec69b368e5ed2231e3dc5c0fbf5ed9ed5ba9da178aed36833c75e23cbbdd9aa2b7336c407328635f217be900eedf16eea23c30878af
SSDEEP

3072:EamFnQYUM6m3SP2sVSdEnfWZN3cbgonk9sX1qalYuhLJNdjQVVTuP5J85Vi9iqVl:Eazq3aipalYuhoao5sQkz9WS

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-1-5-21-2398549320-3657759451-817663969-1000\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
behavioral2/files/0x0006000000023246-26.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-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	iaccess32.exe

Executes dropped EXE 1 IoCs

pid	Process
1192	iaccess32.exe

Loads dropped DLL 1 IoCs

pid	Process
1800	regsvr32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1828-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000700000002322f-3.dat	upx
behavioral2/memory/1192-5-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/1828-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x0006000000023246-26.dat	upx
behavioral2/memory/1800-28-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/memory/1192-56-0x0000000000400000-0x000000000042E000-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\20110208070252\Common\module.php	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110208070252\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\20110208070252\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\20110208070252\medias\p2e_1_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110208070252\medias\p2e_go_3.gif	iaccess32.exe
File opened for modification	C:\Program Files (x86)\Instant Access\Multi\20110208070252\dialerexe.ini	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110208070252\medias\p2e_logo_2.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110208070252\medias\p2e_2_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110208070252\medias\p2e_3_3.gif	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\Multi\20110208070252\medias\p2e.ico	iaccess32.exe
File created	C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk	iaccess32.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\iaccess32.exe	72d1253567013982da303392fa5fdf69.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 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
5020	regedit.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1828	72d1253567013982da303392fa5fdf69.exe
1192	iaccess32.exe
1192	iaccess32.exe
1192	iaccess32.exe
1192	iaccess32.exe
1192	iaccess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1828 wrote to memory of 1192	1828	72d1253567013982da303392fa5fdf69.exe	85
PID 1828 wrote to memory of 1192	1828	72d1253567013982da303392fa5fdf69.exe	85
PID 1828 wrote to memory of 1192	1828	72d1253567013982da303392fa5fdf69.exe	85
PID 1192 wrote to memory of 5020	1192	iaccess32.exe	89
PID 1192 wrote to memory of 5020	1192	iaccess32.exe	89
PID 1192 wrote to memory of 5020	1192	iaccess32.exe	89
PID 1192 wrote to memory of 1800	1192	iaccess32.exe	90
PID 1192 wrote to memory of 1800	1192	iaccess32.exe	90
PID 1192 wrote to memory of 1800	1192	iaccess32.exe	90

C:\Users\Admin\AppData\Local\Temp\72d1253567013982da303392fa5fdf69.exe
"C:\Users\Admin\AppData\Local\Temp\72d1253567013982da303392fa5fdf69.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1828
- 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:1192
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Manipulates Digital Signatures
    - Runs regedit.exe
    PID:5020
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    - Loads dropped DLL
    - Modifies registry class
    PID:1800

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:4716

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\Multi\20110208070252\dialerexe.ini

Filesize
618B

MD5
d4a5089ff2e7c0eaa42dcf6ac0d86c4a

SHA1
e8049be5c416513e176d51e41105651ad2891ffd

SHA256
b63bfb98d1542a65fdb238d33a7eb02601f0265cc115f1d8c0ac3060e375a812

SHA512
4a741c4c92824a3989d98692938b7efbff787231d346b61146de48b9843efa0a623ed97cd86e1012d1808362e72d45d685977ff7cca7c92ce1b5fc2b91a88b0d

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

Filesize
2KB

MD5
93363180a719cedec8ccda5d1f5c7b9e

SHA1
5395a8dea2a7d49eac4d14eaf400dc9d0290448e

SHA256
9d7b3b2a392deb73382fc669d85c33c773ab7ca7ea8b086403dfc3609f50054c

SHA512
6707e5416d7858796660dcfe5db364ff2823cba40d0b298018161c3b0c9de16fb246c9a3747c46875909117a0c4f4660ec0a0cbd3b7a93e9308fe083b72e115b

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

Filesize
2KB

MD5
bb82c984a1c40e73008707c7fcadbdb5

SHA1
2c060fc5247b5909ad2c9caa711834e805adc797

SHA256
f0f195490101ae4e954fa01c74760b5d257f3fdeab4e053b8d7253bbe4bc475c

SHA512
f1e59540ba938285599e2b9bdfccc4d4f807ca6a0c2b152967a54447ff45222eb35d7d5e4177776c3a76f29d0d276e2f8f183a76036f45f28b55c92561e3012b

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
183KB

MD5
b4488211876c990ff309fce3ffa7cad3

SHA1
eaed6b4bb91a0de9a00ddab9ac9952b3134c79ea

SHA256
9159d7f7e2773213f176f5d94645371e62595ceeb5bac488c8a81129028ad59a

SHA512
bfe4f1a00301865c95855254c18d4621bcfb6fda8ad3cec72fb7a3c1078b1becaf88b47138ca2f719f74c5744530a16b6aef004efc9307a8f1b06d93aca471b4

Download Submit
C:\Windows\tmlpcert2007

Filesize
6KB

MD5
b103757bc3c714123b5efa26ff96a915

SHA1
991d6694c71736b59b9486339be44ae5e2b66fef

SHA256
eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48

SHA512
d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1

Download Submit
memory/1192-5-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1192-56-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1800-28-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/1828-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1828-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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