7b755a1bb5485ba6372f56287bdaf15a97d55e1fa179a3ea05395c64abb3d922

Analysis

max time kernel
152s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27-02-2024 17:30

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General

Target

a9bf1f4e355f768d58a807c63e63a457.exe
Size

28KB
MD5

a9bf1f4e355f768d58a807c63e63a457
SHA1

805737bb8ad48c336cb3b8d76ffdd3012e4fc959
SHA256

7b755a1bb5485ba6372f56287bdaf15a97d55e1fa179a3ea05395c64abb3d922
SHA512

c600c719b1ef59a4ba34c47b16c17104fad533fd9af7f0b7f3ec461139ebd55ef7499fd933a211d3523d55cda0ee7f4294d40d979033d236b5a042f3bed79d41
SSDEEP

384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNLLrT:Dv8IRRdsxq1DjJcqfmz

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3956	services.exe

UPX packed file 29 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4940-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x0007000000023232-3.dat	upx
behavioral2/memory/3956-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4940-13-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/3956-14-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3956-19-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3956-24-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4940-25-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/3956-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4940-30-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x000f000000023144-43.dat	upx
behavioral2/memory/3956-100-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4940-197-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/3956-217-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4940-230-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/3956-231-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3956-235-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4940-236-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/3956-240-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4940-275-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/3956-285-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4940-321-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/3956-335-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4940-366-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/3956-386-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4940-413-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/3956-432-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4940-466-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/3956-476-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	a9bf1f4e355f768d58a807c63e63a457.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	a9bf1f4e355f768d58a807c63e63a457.exe
File opened for modification	C:\Windows\java.exe	a9bf1f4e355f768d58a807c63e63a457.exe
File created	C:\Windows\java.exe	a9bf1f4e355f768d58a807c63e63a457.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4940 wrote to memory of 3956	4940	a9bf1f4e355f768d58a807c63e63a457.exe	88
PID 4940 wrote to memory of 3956	4940	a9bf1f4e355f768d58a807c63e63a457.exe	88
PID 4940 wrote to memory of 3956	4940	a9bf1f4e355f768d58a807c63e63a457.exe	88

C:\Users\Admin\AppData\Local\Temp\a9bf1f4e355f768d58a807c63e63a457.exe
"C:\Users\Admin\AppData\Local\Temp\a9bf1f4e355f768d58a807c63e63a457.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4940
- C:\Windows\services.exe
  "C:\Windows\services.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:3956

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\3Z27RA7P\defaultZYYJQRKP.htm

Filesize
312B

MD5
5431b34b55fc2e8dfe8e2e977e26e6b5

SHA1
87cf8feeb854e523871271b6f5634576de3e7c40

SHA256
3d7c76daab98368a0dd25cd184db039cdd5d1bc9bd6e9bb91b289119047f5432

SHA512
6f309dd924ba012486bcf0e3bafe64899007893ea9863b6f4e5428384ad23d9942c74d17c42a5cf9922a0e0fd8d61c287a2288a945a775586125d53376b9325c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\3Z27RA7P\search[2].htm

Filesize
215KB

MD5
185d6180b16a511792651c7f256228d6

SHA1
5a97534692735f407810d39f6ad5f95b1120e144

SHA256
62348348f7689922ca3df15a99b7c13bc597af7c6252b784b9c10fa065a10899

SHA512
5e2ae27ae59dd49b8932beb267a19674cf08cc38fef473b7a92195231ccb18af88b584979d5297852bb98c5b94c29f441d0ffe32f28a406497f1f644ca286614

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\3Z27RA7P\search[6].htm

Filesize
188KB

MD5
aa1e0087c1cc5d0a1c424360ec389d06

SHA1
1b32aaea9f16ba766943a45b01733119ee0687ab

SHA256
97efd81e8d016779934d8ae990b3da765ee090235983b0d988df0cb31749d6ad

SHA512
767246b24b72ba1844140fab9d481557d9aa574d81be36752afafeab1ac81c49a7b5b4859d18a56de16fed15e863287fd8b998ee519c4af8c90916fd2997d2b6

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\3Z27RA7P\search[7].htm

Filesize
226KB

MD5
d3c45e8f3054ad74a17667179f7c82ae

SHA1
81147ab96788bf9397a9c32a90ae417e5f2775bd

SHA256
0fa5f923990518834b1063d1561dc57d9cad06ae184ecd482ec412f561570ea1

SHA512
17f954529bbe95ee520913bdc5f54ab8d7214a1e50aae9d5354b66dff26b0dbe2330991fe17d075ed022693b8fd58d9edce15ec06ebc6119225469b918c6b483

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8XRBHXP1\default[6].htm

Filesize
308B

MD5
5243568476eb2052b2f3b67dc9053e86

SHA1
b126aa6506772f9024b76580bdf28b45e3a7f051

SHA256
2d458622dc76eb87e44cc7db89309efdf50f99821145ae86864fd1b714cbaa80

SHA512
3c68cef4e3daa4bca6e8b3aa5a31874be1e4dec38fe9781c6fe4890980744527d0c6818eeb519f8e6b322118e1f08302d85972fa7da4ba8be9421aabf9a77833

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8XRBHXP1\search[3].htm

Filesize
203KB

MD5
831fae952001c646ccfefd2e3d2f4d7a

SHA1
57655e31c8722885ad5ce3aa8203f94fb2d74bf5

SHA256
d81640143f7155bced76a4be3dc28f7e4032dd020b7369900d7a2f79a132e888

SHA512
f8a96ef926737de58b6303b2c4d44cd95939346e56b15367d400d27e74425f0947b701a6642ea11938e18c66cfcc49c06a7fd42ca0d11eb46c7b2ab30b647a41

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FILN3D3Q\4GATO1XQ.htm

Filesize
147KB

MD5
1c42917530688e8f63de222881dcdd91

SHA1
3bcf0dbb4b0e9077c3ee9688407e01e0842318c9

SHA256
f253a11f2e174d7fe3341c77711b1ddf9eb840f4dafe470bd40e2f4fe985b16a

SHA512
94f3b23e09d61c13d9cb7a981793be7bed2ab2caae4926f5d7579c4be6877562620e24c83f87d79f6eb28dcf0e19ca41c630d56f126b48bae194c7646b7846b8

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FILN3D3Q\default[8].htm

Filesize
310B

MD5
2a8026547dafd0504845f41881ed3ab4

SHA1
bedb776ce5eb9d61e602562a926d0fe182d499db

SHA256
231fe7c979332b82ceccc3b3c0c2446bc2c3cab5c46fb7687c4bb579a8bba7ce

SHA512
1f6fa43fc0cf5cbdb22649a156f36914b2479a93d220bf0e23a32c086da46dd37e8f3a789e7a405abef0782e7b3151087d253c63c6cefcad10fd47c699fbcf97

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FILN3D3Q\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\W3XJQI43\OWBHJZ6D.htm

Filesize
147KB

MD5
1bacfe4cc2ff3e96b972cec241daefb7

SHA1
341852604c7ff41e3a96f8dc228bfcae7db7381b

SHA256
04c13d0614d4f99aeb80380f79a9ee84c9ad4afe7d3d48249bf4e60fdab47f9e

SHA512
1eb42291ea1c7cca1fb9f389dc5968da969b8379cd079d586cca90b7d1cb08431561add0e529343dbec64640662f700a2882ef53fbb387584de9ecdf783008d9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\W3XJQI43\default[2].htm

Filesize
312B

MD5
c15952329e9cd008b41f979b6c76b9a2

SHA1
53c58cc742b5a0273df8d01ba2779a979c1ff967

SHA256
5d065a88f9a1fb565c2d70e87148d469dd9dcbbefea4ccc8c181745eda748ab7

SHA512
6aecdd949abcd2cb54e2fe3e1171ee47c247aa3980a0847b9934f506ef9b2d3180831adf6554c68b0621f9f9f3cd88767ef9487bc6e51cecd6a8857099a7b296

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\W3XJQI43\default[4].htm

Filesize
311B

MD5
cb42662caffe525e9957c942617edf06

SHA1
615009db9a1a242579e639ee0fc7a2a765095bfe

SHA256
312bf5c9a1a122abc6361bf8ed01a44346285b962c0d273ef2de0eb796ae1b15

SHA512
3e6777f1f74f64fff6cb2bd1a81a6c08d9a64feeebc3deb7cacb8f0f41b23a5c59a8e6294b99c76dd386aaaf9043a1a252ac47910fe1801bdc2995f7b675692c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\W3XJQI43\default[5].htm

Filesize
313B

MD5
ffb72ab4faba49ad441ce07db37dd8b6

SHA1
194e13c1c32ebb6e7a1dc912261cbd58a82ff71e

SHA256
7bd7c3676e98ddde8e0d5b63dd22cb9379d975bcd1d68884c97565cdd8d03660

SHA512
517be20d2442489ce39b48dc7f9f6f13f8c45d02703fb1865071f553d36b2289f5abc26c6089fc0bfad1a41fe318bf4b5a806915c5e45898ac744b7e4ed30257

Download Submit
C:\Users\Admin\AppData\Local\Temp\Bxyajejw.log

Filesize
1KB

MD5
4ec22feef92fc9118f6840ea8cef4521

SHA1
8fafcbb4d6c7111c048bb3dea44556d73e623802

SHA256
38a807425e7ceebce84f57b1eff193a9557234c629d13c11e4a51891de206007

SHA512
0d3d50afa8023ad6e396e0a232cee3ffc2618237bffe19bbba2ac4e8b5f76db1d99f8dd1c3a9712891fc8927e42bd316343c53e9da7460efa31d8b79e47f1069

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4043.tmp

Filesize
28KB

MD5
5444a53ed840324018849eaddb2a235b

SHA1
452e8daf8dec15dc1644e9b961ec126028223b37

SHA256
3160be74b17a9e2aad78ad6a9055dfcf2afce9aeac3939fb868071c1740a4807

SHA512
f098f0dc9216436680c41bb49b7ef173ebeaf9a0101fb3c966dbc0c046f203b6a4b76b5e8e3e0cf254fbd26b3734b48f0500243f48c4c285ab97eb0feb18cb88

Download Submit
C:\Users\Admin\AppData\Local\Temp\zincite.log

Filesize
1KB

MD5
e493ff2b28145038309c3685e3194d1f

SHA1
ee1cb6a5ca80c671c846db4811fc52d1374e77a7

SHA256
dc1262bc4d01a8b36c4f64b2b9761dade9ab8bde12083790052e09f0e6619962

SHA512
d77db8d160c095b014709264d093c4eace276a3c5a8e1e27778c6586ef4682e25b240d2ec0fe9c11d172759728e43d01bf6da5ecf349b02dde927d020b57e6be

Download Submit
C:\Users\Admin\AppData\Local\Temp\zincite.log

Filesize
1KB

MD5
aaa1459ca9a0bb275e49aded80477e2a

SHA1
905ac35545a2746da7537830659bd47e65c0b4ef

SHA256
052167083b1c420c33c397756cd1222ea16c7d75348a0b90fbf8a4071dd5e171

SHA512
fefedbd7bb3954a0653d1ecb2fbe71a4ef87d44081ca2169152617942c7e7f47f24a500a0a8348c23d96a07159010e1f6c445fafdd541b2824fdc95a23897801

Download Submit
C:\Users\Admin\AppData\Local\Temp\zincite.log

Filesize
1KB

MD5
384fc92ba423d06516cfef884bff3e73

SHA1
b30735dcbd6b2c2801431c56c9cce248cc50d915

SHA256
0d6ea7ae1e00390984fc7aed399f623dd9b60df43beb61168cc957adbdd1a3cb

SHA512
926efc7b9c2429887a0308b02e1ef2837f6cd111a1dd1d46fef8bd2abd757e10ce6c4883af92bf4ea336e1f7cc5d5cb9139a5448b111777b58d45536681e616f

Download Submit
C:\Users\Admin\AppData\Local\Temp\zincite.log

Filesize
1KB

MD5
664b69b1913a385eb2b39d478be95670

SHA1
9799ef0bbf4c579cc7add8fa3052b35f6c654649

SHA256
098a995c08db7ac43400b096f43a9a5f726f98b2aac09a860074c4e2f40733c6

SHA512
af72e5185d04edc119d493c4f79c6f7c83baa0f6ac2a27f1381e2cd9743c64cb8ebdfe11dd256f5c8334589fc59746b5448e62e6233517e6057f761730de47fb

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/3956-432-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3956-285-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3956-476-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3956-235-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3956-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3956-240-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3956-231-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3956-217-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3956-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3956-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3956-100-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3956-14-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3956-335-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3956-24-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3956-386-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4940-321-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4940-366-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4940-25-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4940-413-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4940-13-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4940-275-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4940-466-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4940-236-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4940-30-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4940-230-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4940-197-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4940-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads