b6818440a38afbd1fe55b5214290343a52ad921eeb7198613bd29b7c0ea30f2a

Analysis

max time kernel
23s
max time network
36s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
10/08/2024, 17:09

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General

Target

c2.exe
Size

19KB
MD5

0271d1690be9ebbf67cf141b5be66c19
SHA1

97503a4ff7e07f23879f8f052cef7ed8ae00352f
SHA256

b6818440a38afbd1fe55b5214290343a52ad921eeb7198613bd29b7c0ea30f2a
SHA512

2011c7ddec8511d2085709fb54e1612389d4990b8adcac4a66b727705a686cb82576c465606f248b0fd15f91cac546fe42836a8fa485963472d38dc41702c4d5
SSDEEP

384:uyHVbXNghuMR+j5XEslarcoIUt+5IqhIcEawcUhHT7w5xI+D6+3RJE:ukvp5Iqqc0hHT7KI+D6+3DE

Score

6^/10

discovery

Malware Config

Signatures

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
26	myip.com
32	myip.com

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE

Enumerates system info in registry 2 TTPs 4 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3000	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2664	chrome.exe
2664	chrome.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2664	chrome.exe
Token: SeShutdownPrivilege	2664	chrome.exe
Token: SeShutdownPrivilege	2664	chrome.exe
Token: SeShutdownPrivilege	2664	chrome.exe
Token: SeShutdownPrivilege	2664	chrome.exe
Token: SeShutdownPrivilege	2664	chrome.exe
Token: SeShutdownPrivilege	2664	chrome.exe
Token: SeShutdownPrivilege	2664	chrome.exe
Token: SeShutdownPrivilege	2664	chrome.exe
Token: SeShutdownPrivilege	2664	chrome.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe
2664	chrome.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3000	EXCEL.EXE
3000	EXCEL.EXE
3000	EXCEL.EXE
3000	EXCEL.EXE

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 2736	2332	c2.exe	31
PID 2332 wrote to memory of 2736	2332	c2.exe	31
PID 2332 wrote to memory of 2736	2332	c2.exe	31
PID 2332 wrote to memory of 2580	2332	c2.exe	33
PID 2332 wrote to memory of 2580	2332	c2.exe	33
PID 2332 wrote to memory of 2580	2332	c2.exe	33
PID 2664 wrote to memory of 1708	2664	chrome.exe	35
PID 2664 wrote to memory of 1708	2664	chrome.exe	35
PID 2664 wrote to memory of 1708	2664	chrome.exe	35
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 3052	2664	chrome.exe	37
PID 2664 wrote to memory of 1236	2664	chrome.exe	38
PID 2664 wrote to memory of 1236	2664	chrome.exe	38
PID 2664 wrote to memory of 1236	2664	chrome.exe	38
PID 2664 wrote to memory of 2880	2664	chrome.exe	39
PID 2664 wrote to memory of 2880	2664	chrome.exe	39
PID 2664 wrote to memory of 2880	2664	chrome.exe	39
PID 2664 wrote to memory of 2880	2664	chrome.exe	39
PID 2664 wrote to memory of 2880	2664	chrome.exe	39
PID 2664 wrote to memory of 2880	2664	chrome.exe	39
PID 2664 wrote to memory of 2880	2664	chrome.exe	39
PID 2664 wrote to memory of 2880	2664	chrome.exe	39
PID 2664 wrote to memory of 2880	2664	chrome.exe	39
PID 2664 wrote to memory of 2880	2664	chrome.exe	39
PID 2664 wrote to memory of 2880	2664	chrome.exe	39
PID 2664 wrote to memory of 2880	2664	chrome.exe	39
PID 2664 wrote to memory of 2880	2664	chrome.exe	39

C:\Users\Admin\AppData\Local\Temp\c2.exe
"C:\Users\Admin\AppData\Local\Temp\c2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Windows\system32\nslookup.exe
  nslookup -q=A 1r40.cz
  2⤵
  PID:2736
- C:\Windows\system32\nslookup.exe
  nslookup -q=A 9y88.cz
  2⤵
  PID:2580
- C:\Windows\system32\nslookup.exe
  nslookup -q=A 2o55.cz
  2⤵
  PID:3040
- C:\Windows\system32\nslookup.exe
  nslookup -q=A 1c11.cz
  2⤵
  PID:2592

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3000

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
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:2664
- 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,0x7fef6889758,0x7fef6889768,0x7fef6889778
  2⤵
  PID:1708
- 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=1308,i,6750795111681067007,5802692156686484393,131072 /prefetch:2
  2⤵
  PID:3052
- 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=1404 --field-trial-handle=1308,i,6750795111681067007,5802692156686484393,131072 /prefetch:8
  2⤵
  PID:1236
- 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=1496 --field-trial-handle=1308,i,6750795111681067007,5802692156686484393,131072 /prefetch:8
  2⤵
  PID:2880
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --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=2188 --field-trial-handle=1308,i,6750795111681067007,5802692156686484393,131072 /prefetch:1
  2⤵
  PID:1980
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2196 --field-trial-handle=1308,i,6750795111681067007,5802692156686484393,131072 /prefetch:1
  2⤵
  PID:1324
- 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=1896 --field-trial-handle=1308,i,6750795111681067007,5802692156686484393,131072 /prefetch:2
  2⤵
  PID:1560
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=2080 --field-trial-handle=1308,i,6750795111681067007,5802692156686484393,131072 /prefetch:1
  2⤵
  PID:1556
- 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=3668 --field-trial-handle=1308,i,6750795111681067007,5802692156686484393,131072 /prefetch:8
  2⤵
  PID:1668
- C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe
  "C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe" --reenable-autoupdates --system-level
  2⤵
  PID:1692
- - C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe
    "C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\Crashpad --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0x154,0x158,0x15c,0x128,0x160,0x13fe97688,0x13fe97698,0x13fe976a8
    3⤵
    PID:1488
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=3752 --field-trial-handle=1308,i,6750795111681067007,5802692156686484393,131072 /prefetch:1
  2⤵
  PID:2344
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=2108 --field-trial-handle=1308,i,6750795111681067007,5802692156686484393,131072 /prefetch:1
  2⤵
  PID:2832
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --mojo-platform-channel-handle=3708 --field-trial-handle=1308,i,6750795111681067007,5802692156686484393,131072 /prefetch:1
  2⤵
  PID:2128

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:2092

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp

Filesize
16B

MD5
aefd77f47fb84fae5ea194496b44c67a

SHA1
dcfbb6a5b8d05662c4858664f81693bb7f803b82

SHA256
4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611

SHA512
b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3

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\Site Characteristics Database\000007.dbtmp

Filesize
16B

MD5
18e723571b00fb1694a3bad6c78e4054

SHA1
afcc0ef32d46fe59e0483f9a3c891d3034d12f32

SHA256
8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

SHA512
43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

Download Submit
memory/3000-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/3000-1-0x0000000072BAD000-0x0000000072BB8000-memory.dmp

Filesize
44KB

Download
memory/3000-11-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/3000-12-0x0000000072BAD000-0x0000000072BB8000-memory.dmp

Filesize
44KB

Download