75f563c7815060992314cbf7eab8666ea40d7966c25f5e41dd2badb198a1d36a

General

Target

b42fa5281b9cd5a45fe5f6351c2dbf99.exe
Size

1.5MB
MD5

b42fa5281b9cd5a45fe5f6351c2dbf99
SHA1

654d737f6e0ebfe07df1124c56f67cb15f1dbb58
SHA256

75f563c7815060992314cbf7eab8666ea40d7966c25f5e41dd2badb198a1d36a
SHA512

da6ed5bc69f1ab848bdfd98c84c5562aaa8e7760cd41aaefd6f8092da941e56e75879df99552f89345504bbdb5959dad16a705b7d0b515f4c996c856da241427
SSDEEP

24576:y5/XxHvM/S2gAEw94m/0avcjukL2f0wt5frvsMZ500VUbQbcjukL2Y:y5/X5v37k9z/0avcakLs0+QMZuwUUcaM

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3004	b42fa5281b9cd5a45fe5f6351c2dbf99.exe

Executes dropped EXE 1 IoCs

pid	Process
3004	b42fa5281b9cd5a45fe5f6351c2dbf99.exe

Loads dropped DLL 1 IoCs

pid	Process
2208	b42fa5281b9cd5a45fe5f6351c2dbf99.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2208-0-0x0000000000400000-0x000000000065C000-memory.dmp	upx
behavioral1/files/0x000900000001225b-17.dat	upx
behavioral1/files/0x000900000001225b-14.dat	upx

Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs

Web Service

T1102

flow	ioc
2	pastebin.com

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2524	schtasks.exe

Modifies system certificate store 2 TTPs 4 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	b42fa5281b9cd5a45fe5f6351c2dbf99.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	b42fa5281b9cd5a45fe5f6351c2dbf99.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405	b42fa5281b9cd5a45fe5f6351c2dbf99.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405\Blob = 030000000100000014000000a053375bfe84e8b748782c7cee15827a6af5a405140000000100000014000000142eb317b75856cbae500940e61faf9d8b14c2c6040000000100000010000000e829e65d7c4307d6fbc13c179e037a360f0000000100000020000000444ebd67bb83f8807b3921e938ac9178b882bd50aadb11231f044cf5f08df7ce190000000100000010000000f044424c506513d62804c04f719403f91800000001000000100000002fe1f70bb05d7c92335bc5e05b984da620000000010000001a05000030820516308202fea003020102021100912b084acf0c18a753f6d62e25a75f5a300d06092a864886f70d01010b0500304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f74205831301e170d3230303930343030303030305a170d3235303931353136303030305a3032310b300906035504061302555331163014060355040a130d4c6574277320456e6372797074310b300906035504031302523330820122300d06092a864886f70d01010105000382010f003082010a0282010100bb021528ccf6a094d30f12ec8d5592c3f882f199a67a4288a75d26aab52bb9c54cb1af8e6bf975c8a3d70f4794145535578c9ea8a23919f5823c42a94e6ef53bc32edb8dc0b05cf35938e7edcf69f05a0b1bbec094242587fa3771b313e71cace19befdbe43b45524596a9c153ce34c852eeb5aeed8fde6070e2a554abb66d0e97a540346b2bd3bc66eb66347cfa6b8b8f572999f830175dba726ffb81c5add286583d17c7e709bbf12bf786dcc1da715dd446e3ccad25c188bc60677566b3f118f7a25ce653ff3a88b647a5ff1318ea9809773f9d53f9cf01e5f5a6701714af63a4ff99b3939ddc53a706fe48851da169ae2575bb13cc5203f5ed51a18bdb150203010001a382010830820104300e0603551d0f0101ff040403020186301d0603551d250416301406082b0601050507030206082b0601050507030130120603551d130101ff040830060101ff020100301d0603551d0e04160414142eb317b75856cbae500940e61faf9d8b14c2c6301f0603551d2304183016801479b459e67bb6e5e40173800888c81a58f6e99b6e303206082b0601050507010104263024302206082b060105050730028616687474703a2f2f78312e692e6c656e63722e6f72672f30270603551d1f0420301e301ca01aa0188616687474703a2f2f78312e632e6c656e63722e6f72672f30220603551d20041b30193008060667810c010201300d060b2b0601040182df13010101300d06092a864886f70d01010b0500038202010085ca4e473ea3f7854485bcd56778b29863ad754d1e963d336572542d81a0eac3edf820bf5fccb77000b76e3bf65e94dee4209fa6ef8bb203e7a2b5163c91ceb4ed3902e77c258a47e6656e3f46f4d9f0ce942bee54ce12bc8c274bb8c1982fa2afcd71914a08b7c8b8237b042d08f908573e83d904330a472178098227c32ac89bb9ce5cf264c8c0be79c04f8e6d440c5e92bb2ef78b10e1e81d4429db5920ed63b921f81226949357a01d6504c10a22ae100d4397a1181f7ee0e08637b55ab1bd30bf876e2b2aff214e1b05c3f51897f05eacc3a5b86af02ebc3b33b9ee4bdeccfce4af840b863fc0554336f668e136176a8e99d1ffa540a734b7c0d063393539756ef2ba76c89302e9a94b6c17ce0c02d9bd81fb9fb768d40665b3823d7753f88e7903ad0a3107752a43d8559772c4290ef7c45d4ec8ae468430d7f2855f18a179bbe75e708b07e18693c3b98fdc6171252aafdfed255052688b92dce5d6b5e3da7dd0876c842131ae82f5fbb9abc889173de14ce5380ef6bd2bbd968114ebd5db3d20a77e59d3e2f858f95bb848cdfe5c4f1629fe1e5523afc811b08dea7c9390172ffdaca20947463ff0e9b0b7ff284d6832d6675e1e69a393b8f59d8b2f0bd25243a66f3257654d3281df3853855d7e5d6629eab8dde495b5cdb5561242cdc44ec6253844506decce005518fee94964d44eca979cb45bc073a8abb847c2	b42fa5281b9cd5a45fe5f6351c2dbf99.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2208	b42fa5281b9cd5a45fe5f6351c2dbf99.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2208	b42fa5281b9cd5a45fe5f6351c2dbf99.exe
3004	b42fa5281b9cd5a45fe5f6351c2dbf99.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 3004	2208	b42fa5281b9cd5a45fe5f6351c2dbf99.exe	29
PID 2208 wrote to memory of 3004	2208	b42fa5281b9cd5a45fe5f6351c2dbf99.exe	29
PID 2208 wrote to memory of 3004	2208	b42fa5281b9cd5a45fe5f6351c2dbf99.exe	29
PID 2208 wrote to memory of 3004	2208	b42fa5281b9cd5a45fe5f6351c2dbf99.exe	29
PID 3004 wrote to memory of 2524	3004	b42fa5281b9cd5a45fe5f6351c2dbf99.exe	30
PID 3004 wrote to memory of 2524	3004	b42fa5281b9cd5a45fe5f6351c2dbf99.exe	30
PID 3004 wrote to memory of 2524	3004	b42fa5281b9cd5a45fe5f6351c2dbf99.exe	30
PID 3004 wrote to memory of 2524	3004	b42fa5281b9cd5a45fe5f6351c2dbf99.exe	30
PID 3004 wrote to memory of 2552	3004	b42fa5281b9cd5a45fe5f6351c2dbf99.exe	32
PID 3004 wrote to memory of 2552	3004	b42fa5281b9cd5a45fe5f6351c2dbf99.exe	32
PID 3004 wrote to memory of 2552	3004	b42fa5281b9cd5a45fe5f6351c2dbf99.exe	32
PID 3004 wrote to memory of 2552	3004	b42fa5281b9cd5a45fe5f6351c2dbf99.exe	32
PID 2552 wrote to memory of 2624	2552	cmd.exe	34
PID 2552 wrote to memory of 2624	2552	cmd.exe	34
PID 2552 wrote to memory of 2624	2552	cmd.exe	34
PID 2552 wrote to memory of 2624	2552	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\b42fa5281b9cd5a45fe5f6351c2dbf99.exe
"C:\Users\Admin\AppData\Local\Temp\b42fa5281b9cd5a45fe5f6351c2dbf99.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Users\Admin\AppData\Local\Temp\b42fa5281b9cd5a45fe5f6351c2dbf99.exe
  C:\Users\Admin\AppData\Local\Temp\b42fa5281b9cd5a45fe5f6351c2dbf99.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:3004
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\b42fa5281b9cd5a45fe5f6351c2dbf99.exe" /TN oC7ri3HGb305 /F
    3⤵
    - Creates scheduled task(s)
    PID:2524
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c schtasks.exe /Query /XML /TN oC7ri3HGb305 > C:\Users\Admin\AppData\Local\Temp\BJweIgl.xml
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2552
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks.exe /Query /XML /TN oC7ri3HGb305
      4⤵
      PID:2624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\BJweIgl.xml

Filesize
1KB

MD5
82c015b2dc00331b8955ea8ecd9f5571

SHA1
459122962d29f18f98ff0ac8ca98e66ed579587e

SHA256
812e61f00a418305944a925e07f6bdfaca728e704d5745211ecb63753b94054a

SHA512
59e69a8f8a783186a393a0d482562b1af0023c8add2640cb75e8c1bcc7ea73c5dfbd62ba04e2c46ab9c6bcd5764aa38d96330eea722d5f4df2a023bce4dc0476

Download Submit
C:\Users\Admin\AppData\Local\Temp\b42fa5281b9cd5a45fe5f6351c2dbf99.exe

Filesize
1.1MB

MD5
bb6cab355c5eef28edf79efc7f2a8d71

SHA1
b9f0474b2b8cc9624b2adf6a5cf8360c77d67dc4

SHA256
5ccc31f5363c14737ece4ddc64c2fcc3f765c1f9ae702f501a99f9284e61efdf

SHA512
86b0da2a2fcf8f4de563497e605808706ac437f47d484bd0ff43b0c3f95cb4bb099819e276cb5222fe4bd51c51e3e4e73452ba2e412962e18f2516aa2616e3e1

Download Submit
C:\Users\Admin\AppData\Local\Temp\b42fa5281b9cd5a45fe5f6351c2dbf99.exe

Filesize
1.2MB

MD5
861bac8ec8a727cc69ac5fe6fe3c9e4f

SHA1
ef4638970720f06d5864e2284277ed5569deb0c5

SHA256
ffaf18f0680232ff3382b4695ccc440b579df0b47ad08dfaad653416d3d9465f

SHA512
6c0b3bf1ecd03796559e97f6d9770ff124ff5f64ef5f3d47e7de50523198c00390f8f13a8ece9bd9aac7857414aef83c20f82e70336841915b2c42ed7482583d

Download Submit
memory/2208-15-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2208-16-0x0000000023190000-0x00000000233EC000-memory.dmp

Filesize
2.4MB

Download
memory/2208-0-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/2208-1-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2208-2-0x00000000001A0000-0x000000000021E000-memory.dmp

Filesize
504KB

Download
memory/2208-53-0x0000000023190000-0x00000000233EC000-memory.dmp

Filesize
2.4MB

Download
memory/3004-20-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/3004-22-0x0000000000240000-0x00000000002BE000-memory.dmp

Filesize
504KB

Download
memory/3004-26-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3004-31-0x0000000000300000-0x000000000036B000-memory.dmp

Filesize
428KB

Download
memory/3004-54-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads