e73046a28c0736bc881eed591613cbfaa88f370309f745a06f19bd4979e752da

Resubmissions

03-11-2023 20:00

231103-yqxyaabf64 1

03-11-2023 19:57

231103-yprpwahe8y 1

Analysis

max time kernel
14s
max time network
53s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
03-11-2023 19:57

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

IRS.gov_Form5071c.html
Size

2KB
MD5

117686efcd9ed95c9b7c300854fb9102
SHA1

299c6767032540195d4e0f4b5815f1f03e8d4f28
SHA256

e73046a28c0736bc881eed591613cbfaa88f370309f745a06f19bd4979e752da
SHA512

535e214d9ea05d4636aeab0d383a5e5efe605146ba6522b4525adba75aaa22691f64e76cff32812fabd7349b5cc3d0ddbced8341c62ddfdde11145b713ac0598

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2040	chrome.exe
2040	chrome.exe

Suspicious use of AdjustPrivilegeToken 26 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe
Token: SeShutdownPrivilege	2040	chrome.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe
2040	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 2116	2040	chrome.exe	28
PID 2040 wrote to memory of 2116	2040	chrome.exe	28
PID 2040 wrote to memory of 2116	2040	chrome.exe	28
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2832	2040	chrome.exe	30
PID 2040 wrote to memory of 2468	2040	chrome.exe	31
PID 2040 wrote to memory of 2468	2040	chrome.exe	31
PID 2040 wrote to memory of 2468	2040	chrome.exe	31
PID 2040 wrote to memory of 2728	2040	chrome.exe	32
PID 2040 wrote to memory of 2728	2040	chrome.exe	32
PID 2040 wrote to memory of 2728	2040	chrome.exe	32
PID 2040 wrote to memory of 2728	2040	chrome.exe	32
PID 2040 wrote to memory of 2728	2040	chrome.exe	32
PID 2040 wrote to memory of 2728	2040	chrome.exe	32
PID 2040 wrote to memory of 2728	2040	chrome.exe	32
PID 2040 wrote to memory of 2728	2040	chrome.exe	32
PID 2040 wrote to memory of 2728	2040	chrome.exe	32
PID 2040 wrote to memory of 2728	2040	chrome.exe	32
PID 2040 wrote to memory of 2728	2040	chrome.exe	32
PID 2040 wrote to memory of 2728	2040	chrome.exe	32
PID 2040 wrote to memory of 2728	2040	chrome.exe	32
PID 2040 wrote to memory of 2728	2040	chrome.exe	32
PID 2040 wrote to memory of 2728	2040	chrome.exe	32
PID 2040 wrote to memory of 2728	2040	chrome.exe	32
PID 2040 wrote to memory of 2728	2040	chrome.exe	32
PID 2040 wrote to memory of 2728	2040	chrome.exe	32
PID 2040 wrote to memory of 2728	2040	chrome.exe	32

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument C:\Users\Admin\AppData\Local\Temp\IRS.gov_Form5071c.html
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef6bb9758,0x7fef6bb9768,0x7fef6bb9778
  2⤵
  PID:2116
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1180 --field-trial-handle=1236,i,10571347251318046002,13022607692961968109,131072 /prefetch:2
  2⤵
  PID:2832
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1528 --field-trial-handle=1236,i,10571347251318046002,13022607692961968109,131072 /prefetch:8
  2⤵
  PID:2468
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1612 --field-trial-handle=1236,i,10571347251318046002,13022607692961968109,131072 /prefetch:8
  2⤵
  PID:2728
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2104 --field-trial-handle=1236,i,10571347251318046002,13022607692961968109,131072 /prefetch:1
  2⤵
  PID:2576
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2116 --field-trial-handle=1236,i,10571347251318046002,13022607692961968109,131072 /prefetch:1
  2⤵
  PID:2504
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1192 --field-trial-handle=1236,i,10571347251318046002,13022607692961968109,131072 /prefetch:2
  2⤵
  PID:2248
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3540 --field-trial-handle=1236,i,10571347251318046002,13022607692961968109,131072 /prefetch:8
  2⤵
  PID:1928

C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
1⤵
PID:1488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
023b786a021dc39d9dc8f763e72500bf

SHA1
9b82e149844eba2230023dd5bcffea80b53b526e

SHA256
ffdd78c6aa0ca255d705810fcb609c3eb604462ce39455ba14f1e6a339435b9f

SHA512
8dffbe807202ce3faab9223e6a7c80cdbb12de6f55cfc4ce02ff87f341152223ab9e922adbabfa0f9bae6bf1ef78359ea2db0ae671544e795bbf48fbddcf2616

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

Filesize
264KB

MD5
f50f89a0a91564d0b8a211f8921aa7de

SHA1
112403a17dd69d5b9018b8cede023cb3b54eab7d

SHA256
b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

SHA512
bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
4KB

MD5
65e18c753fa2252b99293a63d8186a6a

SHA1
5e9f9f064ca16e2523fea7e93ffbd8b5d367c30e

SHA256
865c3e4e3507fbad3118dcffae35143457d8131f8bc6b3e02b52faced5d338b8

SHA512
93cc316a3a6f03ce4a4ac8c7078770f28ceace608b0369c4ca7be02f0234fa54773e75c1a0c34482dfac32d3c485c9c46012446ec76cab0151741858ea2b9f93

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

Filesize
16B

MD5
18e723571b00fb1694a3bad6c78e4054

SHA1
afcc0ef32d46fe59e0483f9a3c891d3034d12f32

SHA256
8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

SHA512
43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabA778.tmp

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarA7C9.tmp

Filesize
163KB

MD5
9441737383d21192400eca82fda910ec

SHA1
725e0d606a4fc9ba44aa8ffde65bed15e65367e4

SHA256
bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

SHA512
7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

Download Submit